Mechanical properties of the W coating and interface of vacuum-plasma-sprayed W–ferritic steel joints under shear and bending loads Peer-reviewed

Wu, X., Kondo, S., Yu, H., Nagasaka, T., Kasada, R.

Surface and Coatings Technology　462　2023

DOI： 10.1016/j.surfcoat.2023.129468 　

ISSN： 0257-8972

Characterization and corrosion behavior of Al-added high Mn ODS austenitic steels in oxygen-saturated lead-bismuth eutectic Peer-reviewed

Haoran Wang, Hao Yu, Jiarui Liu, Sosuke Kondo, Nariaki Okubo, Ryuta Kasada

CORROSION SCIENCE　209　2022/12

DOI： 10.1016/j.corsci.2022.110818 　

ISSN： 0010-938X

eISSN： 1879-0496

Toward the correlation of indentation hardness in micro- and nano-scale: understanding of indentation edge behaviors in Fe-Cr alloys Peer-reviewed

Diancheng Geng, Hao Yu, Sosuke Kondo, Ryuta Kasada

JOURNAL OF MATERIALS SCIENCE　57　(28)　13736-13755　2022/07

DOI： 10.1007/s10853-022-07461-9 　

ISSN： 0022-2461

eISSN： 1573-4803

Evaluating the irradiation hardening of reactor pressure vessel steels by nanoindentation hardness test and micropillar compression test Peer-reviewed

Yuyang Zheng, Diancheng Geng, Hao Yu, Sosuke Kondo, Akihiko Kimura, Hideki Yuya, Ryuta Kasada

Journal of Nuclear Science and Technology　59　(12)　1507-1518　2022/05

DOI： 10.1080/00223131.2022.2067258 　

ISSN： 0022-3131

eISSN： 1881-1248

Practical method to determine the effective zero-point of indentation depth for continuous stiffness measurement nanoindentation test with Berkovich tip Peer-reviewed

Diancheng Geng, Hao Yu, Yasuki Okuno, Sosuke Kondo, Ryuta Kasada

Scientific Reports　12　(1)　6391　2022/04/08

DOI： 10.1038/s41598-022-10490-8 　

eISSN： 2045-2322

Effects of zirconium addition on the material properties and microstructure of ODS-Cu alloys Peer-reviewed

Zimo Gao, Hao Yu, Diancheng Geng, Yuchen Liu, Sosuke Kondo, Yasuki Okuno, Ryuta Kasada

Journal of Alloys and Compounds　899　163328-163328　2022/04

DOI： 10.1016/j.jallcom.2021.163328 　

ISSN： 0925-8388

eISSN： 1873-4669

Radiation tolerance of alumina scale formed on FeCrAl ODS ferritic alloy Peer-reviewed

Hao Yu, Haoran Wang, Sosuke Kondo, Yasuki Okuno, Ryuta Kasada, Naoko Oono-Hori, Shigeharu Ukai

Nuclear Materials and Energy　29　101102-101102　2021/12

DOI： 10.1016/j.nme.2021.101102 　

ISSN： 2352-1791

eISSN： 2352-1791

Bonding strength evaluation of explosive welding joint of tungsten to ferritic steel using ultra-small testing technologies Peer-reviewed

Xiangyu Wu, Sosuke Kondo, Hao Yu, Yasuki Okuno, Masami Ando, Hironori Kurotaki, Shigeru Tanaka, Kazuyuki Hokamoto, Ryosuke Ochiai, Satoshi Konishi, Ryuta Kasada

Materials Science and Engineering: A　826　141995-141995　2021/10

DOI： 10.1016/j.msea.2021.141995 　

ISSN： 0921-5093

Effect of mechanically alloyed sintering aid on sinterability of TiB2 Peer-reviewed

Yuki Jimba, Sosuke Kondo, Hao Yu, Haoran Wang, Yasuki Okuno, Ryuta Kasada

Ceramics International　47　(15)　21660-21667　2021/08

DOI： 10.1016/j.ceramint.2021.04.179 　

ISSN： 0272-8842

eISSN： 1873-3956

Research on Fusion Reactor Materials and Related Materials using the Dual-Beam Facility for Energy Science and Technology DuET

Journal of Plasma Fusion Research　97　(7)　403-418　2021/07

ISSN： 0918-7928

Evaluation of irradiation hardening in ODS-Cu and non ODS-Cu by nanoindentation hardness test and micro-pillar compression test after self-ion irradiation Peer-reviewed

Yuchen Liu, Sosuke Kondo, Hao Yu, Kiyohiro Yabuuchi, Ryuta Kasada

Nuclear Materials and Energy　26　2021/03

DOI： 10.1016/j.nme.2021.100903 　

eISSN： 2352-1791

Development of nano-oxide particles dispersed alumina scale formed on Zr-added FeCrAl ODS ferritic alloys

Hao Yu, Sosuke Kondo, Ryuta Kasada, Naoko Oono, Shigenari Hayashi, Shigeharu Ukai

Nuclear Materials and Energy　25　2020/12

DOI： 10.1016/j.nme.2020.100798 　

eISSN： 2352-1791

Corrosion behaviour of Al-added high Mn austenitic steels in molten lead bismuth eutectic with saturated and low oxygen concentrations at 450 ℃

Haoran Wang, Hao Yu, Sosuke Kondo, Nariaki Okubo, Ryuta Kasada

Corrosion Science　175　2020/10

DOI： 10.1016/j.corsci.2020.108864 　

ISSN： 0010-938X

Statistical approach for understanding the effect of specimen size on the yield stress and its scattering in mechanically-alloyed Cu and ODS-Cu obtained by micro-pillar compression test

Yuchen Liu, Sosuke Kondo, Hao Yu, Kiyohiro Yabuuchi, Ryuta Kasada

Materials Transactions　61　(5)　955-962　2020

DOI： 10.2320/matertrans.MT-MBW2019005 　

ISSN： 1345-9678

Comparison of D retention for advanced plasma facing materials by D ion implantation Peer-reviewed

Shingo Okumura, Yuzuka Hoshino, Ayumu Hayakawa, Kenshiro Miura, Fei Sun, Suguru Masuzaki, Makoto Oyaizu, Robert Kolasinski, Chase N. Taylor, Teppei Otsuka, Yuji Hatano, Masashi Shimada, Hao Yu, Ryuta Kasada, Akira Hasegawa, Yasuhisa Oya

Nuclear Materials and Energy　46　102069-102069　2026/03

DOI： 10.1016/j.nme.2026.102069 　

ISSN： 2352-1791

Interfacial microstructure and adhesion evaluation of pre-oxidized alumina scales on FeCrAl ODS alloy under ion irradiation Peer-reviewed

Hao Yu, Diancheng Geng, Minha Park, Yasuyuki Ogino, Naoko Oono-Hori, Koji Inoue, Sosuke Kondo, Ryuta Kasada, Shigeharu Ukai

Journal of Nuclear Materials　623　156464　2026/03

DOI： 10.1016/j.jnucmat.2026.156464 　

Effect of WO3 addition on the fabrication of oxide dispersion-strengthened Cu alloys by mechanical alloying of CuYZr alloy powders Peer-reviewed

Zimo Gao, Hao Yu, Diancheng Geng, Koji Inoue, Yasuyuki Ogino, Sosuke Kondo, Ryuta Kasada

Nuclear Materials and Energy　46　102060　2026/01

DOI： 10.1016/j.nme.2026.102060 　

Ion-mixing-induced mitigation of swelling and modulus reduction in irradiated SiC fibers Peer-reviewed

Xinwei Yuan, Sosuke Kondo, Diancheng Geng, Kiyohiro Yabuuchi, Hao Yu, Yasuyuki Ogino, Ryuta Kasada

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY　45　(14)　2025/11

DOI： 10.1016/j.jeurceramsoc.2025.117563 　

ISSN： 0955-2219

eISSN： 1873-619X

Effect of irradiation temperature on the microstructure and hardness of W-0.3Cr alloy after irradiation with 6.4 MeV Fe ions Peer-reviewed

Jing Wang, Jingxian Sun, Yingying Jia, Yifan Zhang, Yuji Hatano, Diancheng Geng, Katsuya Suzuki, Chang Chen, Laima Luo, Kiyohiro Yabuuchi, Ryuta Kasada

MATERIALS & DESIGN　259　2025/11

DOI： 10.1016/j.matdes.2025.114783 　

ISSN： 0264-1275

eISSN： 1873-4197

Enhanced oxidation resistance of high-manganese austenitic steels through mechanical alloying and oxide-dispersion strengthening Peer-reviewed

Diancheng Geng, Hao Yu, Yasuyuki Ogino, Sosuke Kondo, Junichi Miyazawa, Ryuta Kasada

Materials & Design　260　115218　2025/11

DOI： 10.1016/j.matdes.2025.115218 　

Evaluation of the microstructure and adhesion strength of the alloy-film interface of FeCrAl-ODS alloy with self-forming protective alumina films Peer-reviewed

Joh HASEGAWA, Xiangyu WU, Hao YU, Ryuta KASADA, Kan SAKAMOTO, Naoko OONO-HORI

Journal of Nuclear Materials　619　156232　2025/10

DOI： 10.1016/j.jnucmat.2025.156232 　

Surface-Driven Anomalies in irradiation Damage: Low swelling in 316LN stainless steel under Gold-Ion irradiation up to 290 dpa Peer-reviewed

Qianfei Feng, Yupeng Yin, Wentuo Han, Xiaoou Yi, Pingping Liu, Ryuta Kasada, Somei Ohnuki, Farong Wan

APPLIED SURFACE SCIENCE　703　2025/09/15

DOI： 10.1016/j.apsusc.2025.163437 　

ISSN： 0169-4332

eISSN： 1873-5584

Development of new dry dissolution process of poorly soluble beryl and its acceleration effect by microwave heating Peer-reviewed

Suguru Nakano, Jae-Hwan Kim, Yoshiaki Akatsu, Shota Yokohama, Taehyun Hwang, Yutaka Sugimoto, Ryuta Kasada, Masaru Nakamichi

Fusion Engineering and Design　212　114860　2025/03

DOI： 10.1016/j.fusengdes.2025.114860 　

Fracture behavior and grain boundary cohesion of alumina scales formed on ion-irradiated FeCrAl-ODS alloy Peer-reviewed

Hao Yu, Diancheng Geng, Yasuyuki Ogino, Naoko Oono-Hori, Koji Inoue, Sosuke Kondo, Ryuta Kasada, Shigeharu Ukai

JOURNAL OF NUCLEAR MATERIALS　606　2025/02

DOI： 10.1016/j.jnucmat.2025.155663 　

ISSN： 0022-3115

eISSN： 1873-4820

レーザー核融合炉材料—Laser Fusion Reactor Materials—特集 注目のレーザーフュージョンエネルギー

笠田 竜太

Optronics : 光技術コーディネートジャーナル　44　(1)　84-88　2025/01

ISSN： 0286-9659

Effects of irradiation on interfacial strength and microstructure of double-layer mullite and alumina coating on SiC Peer-reviewed

Taichi Miyagishi, Sosuke Kondo, Hirokazu Katsui, Kiyohiro Yabuuchi, Ryutaro Usukawa, Yasuyuki Ogino, Hao Yu, Ryuta Kasada

Journal of Nuclear Materials　603　155410-155410　2025/01

DOI： 10.1016/j.jnucmat.2024.155410 　

ISSN： 0022-3115

Feasibility study on mass-production of oxide dispersion strengthened Cu alloys for the divertor of DEMO fusion reactor Peer-reviewed

Hao Yu, Toshiki Saito, Zimo Gao, Yasuyuki Ogino, Sosuke Kondo, Ryuta Kasada, Hiroyuki Noto, Yoshimitsu Hishinuma, Suguru Matsuzaki

Journal of Nuclear Materials　599　(155205)　2024/10

DOI： 10.1016/J.JNUCMAT.2024.155205 　

Effect of Molten Al/Si Impregnation on the Oxidation Resistance of TiB<inf>2</inf> at 1300°C Peer-reviewed

Koki Wakatabi, Yuki Jimba, Yasuki Okuno, Sosuke Kondo, Hao Yu, Yasuyuki Ogino, Ryuta Kasada

Materials Transactions　65　(10)　1367-1372　2024/10

DOI： 10.2320/matertrans.MT-M2024012 　

ISSN： 1345-9678

The Role of Y2O3/Hf Co-Doping on the Microstructure and Tensile Properties of Alumina-Forming Co-Cr-Al-Ni ODS Superalloy Peer-reviewed

Hao Yu, Sosuke Kondo, Yasuyuki Ogino, Ryuta Kasada

Materials Transactions　65　(8)　867-875　2024/08

DOI： 10.2320/matertrans.MT-M2024025 　

セラミックスコーティング界面強度評価のための微小試験法の開発 Invited

宮岸太一, 近藤創介, 笠田竜太

材料試験技術 = Journal of Material Testing Research Association of Japan　69　82-85　2024/07

ビッカース硬さ100年—100th anniversary of Vickers hardness test—小特集 仙台シンポジウム Invited

笠田 竜太

材料試験技術 = Journal of Material Testing Research Association of Japan　69　(3)　82-85　2024/07

ISSN： 0285-2470

Evaluation of the strength of FeCrAl alloy/surface Oxide film interface by micro double-notch shear test Peer-reviewed

Naoko Oono-Hori, Angela Dannea Anak Andria, Xiangyu Wu, Hao Yu, Ryuta Kasada

Fusion Engineering and Design　201　2024/04

DOI： 10.1016/j.fusengdes.2024.114243 　

ISSN： 0920-3796

Mechanism of enhanced room temperature ductility of cold–rolled tungsten under micro-bending test Peer-reviewed

Xiangyu Wu, Yuki Jimba, Sosuke Kondo, Hao Yu, Yasuyuki Ogino, Akira Hasegawa, Ryuta Kasada

Materialia　33　101971-101971　2024/03

DOI： 10.1016/j.mtla.2023.101971 　

ISSN： 2589-1529

Contribution of Y<inf>2</inf>O<inf>3</inf>/Hf co-doping to alumina scale growth on oxide dispersion strengthened Co-based superalloy Peer-reviewed

Hao Yu, Ryuta Kasada, Koji Inoue, Sosuke Kondo, Yasuyuki Ogino, Shigeharu Ukai

Corrosion Science　227　2024/02

DOI： 10.1016/j.corsci.2023.111775 　

ISSN： 0010-938X

Ten-Year Recycling of Vanadium Alloy in Fusion Reactors

Takuya Nagasaka, Teruya Tanaka, Makoto Kobayashi, Ken Ichi Fukumoto, Takeshi Toyama, Takamasa Sugawara, Ryuta Kasada, Yuji Yamauchi, Kazunari Katayama, Makoto Oya, Kiyohiro Yabuuchi, Seiji Sakurai, Kazuhiro Nomura, Hideo Yoshinaga

Materials Science Forum　1106　117-126　2023/12/05

DOI： 10.4028/p-nmm22p 　

eISSN： 1662-9752

High-strength TiB-TiB<inf>2</inf> ceramics fabricated by low-temperature sintering with mechanically milled aids Peer-reviewed

Yuki Jimba, Yasuki Okuno, Sosuke Kondo, Hao Yu, Yasuyuki Ogino, Shuhei Nogami, Ryuta Kasada

Ceramics International　49　(22)　34863-34871　2023/11/15

DOI： 10.1016/j.ceramint.2023.08.160 　

ISSN： 0272-8842

A Trade–off between Mechanical Strength and Conductivity in Oxide Dispersion–Strengthened–Cu Alloys Fabricated by Mechanical Alloying

Yuchen Liu, Ryuta Kasada, Zimo Gao, Hideaki Yao, Sosuke Kondo, Hao Yu, Satoshi Konishi, Mohammad Aghamiri, Naoko Oono, Shigeharu Ukai, Hiroyuki Noto, Yoshimitsu Hishinuma, Takeo Muroga

Journal of Japan Institute of Copper　62　(1)　152-157　2023/11

DOI： 10.34562/jic.62.1_152 　

Kinetic study on leaching process of beryl with basic solution under microwave heating Peer-reviewed

Suguru Nakano, Jae Hwan Kim, Yoshiaki Akatsu, Taehyun Hwang, Yutaka Sugimoto, Ryuta Kasada, Masaru Nakamichi

Fusion Engineering and Design　196　2023/11

DOI： 10.1016/j.fusengdes.2023.114014 　

ISSN： 0920-3796

Ultrahigh-Flux Concerting Materials

Takuya NAGASAKA, Makoto I. KOBAYASHI, Teruya TANAKA, Sadatsugu TAKAYAMA, Hiroyuki NOTO, Jingjie SHEN, Tatsuya HINOKI, Kiyohiro YABUUCHI, Katsuaki TANABE, Ryuta KASADA, Sosuke KONDO, Shuhei NOGAMI, Hiroki KURITA, Naoyuki HASHIMOTO, Yuji YAMAUCHI, Yasuhisa OYA, Takumi CHIKADA, Yuji HATANO, Kazunari KATAYAMA, Makoto OYA, Naoko OONO, Yoshitaka MORI

Plasma and Fusion Research　18　2505085-2505085　2023/10/23

DOI： 10.1585/pfr.18.2505085 　

eISSN： 1880-6821

Effects of grain boundary volume fraction on the threshold dose of irradiation-induced SiC amorphization at 30 °C Peer-reviewed

Xinwei Yuan, Sosuke Kondo, Kiyohiro Yabuuchi, Hao Yu, Yasuyuki Ogino, Ryuta Kasada

Journal of the European Ceramic Society　43　(12)　5125-5135　2023/04

DOI： 10.1016/j.jeurceramsoc.2023.04.042 　

ISSN： 0955-2219

eISSN： 1873-619X

Formation of intermetallic and its effect on the hardening of welding joint between vanadium alloy and Hastelloy X alloy after heat treatment Peer-reviewed

Shaoning Jiang, Jingjie Shen, Takuya Nagasaka, Takeo Muroga, Akio Sagara, Somei Ohnuki, Kazuyuki Hokamoto, Weifeng Rao, Shigeru Tanaka, Daisuke Inao, Yasuhiro Morizono, Ryuta Kasada, Pengfei Zheng

Nuclear Materials and Energy　34　2023/03

DOI： 10.1016/j.nme.2023.101389 　

eISSN： 2352-1791

Influence of Ni content on the oxidation behavior of alumina-forming Co-based oxide dispersion strengthened superalloys at 900 °C Peer-reviewed

Hao Yu, Sosuke Kondo, Ryuta Kasada, Shigeharu Ukai

Corrosion Science　212　2023/03

DOI： 10.1016/j.corsci.2022.110933 　

ISSN： 0010-938X

eISSN： 1879-0496

Evaluation of equi-biaxial strength of thin sic coatings using ring-on-ring testing and digital image correlation Peer-reviewed

Sola Iwamoto, Sosuke Kondo, Hirokazu Katsui, Kazuya Shimoda, Hao Yu, Yasuyuki Ogino, Ryuta Kasada

International Journal of Applied Ceramic Technology　2023

DOI： 10.1111/ijac.14553 　

ISSN： 1546-542X

eISSN： 1744-7402

Effect of Ni addition on the microstructure and mechanical properties of Co-Cr-Al oxide dispersion strengthened superalloys Peer-reviewed

Yu, H., Kondo, S., Kasada, R., Ukai, S.

Materials Characterization　200　2023

DOI： 10.1016/j.matchar.2023.112892 　

ISSN： 1044-5803

超微小試験技術による材料機械的強度特性の取得方法 Invited

笠田竜太

応用物理　91　(12)　760-764　2022/12

DOI： 10.11470/oubutsu.91.12_760 　

Effects of titanium concentration on microstructure and mechanical properties of high-purity vanadium alloys Peer-reviewed

Jingjie Shen, Takuya Nagasaka, Masayuki Tokitani, Takeo Muroga, Ryuta Kasada, Seiji Sakurai

Materials &amp; Design　224　111390-111390　2022/12

DOI： 10.1016/j.matdes.2022.111390 　

ISSN： 0264-1275

Electronic descriptors for vacancy formation and hydrogen solution in Be-rich intermetallics Peer-reviewed

Keisuke Mukai, Ryuta Kasada, Jae-Hwan Kim, Masaru Nakamichi

Acta Materialia　241　118428-118428　2022/12

DOI： 10.1016/j.actamat.2022.118428 　

ISSN： 1359-6454

Compressive strength degradation of SiC fibers exposed to high temperatures due to impurity-induced internal oxidation Peer-reviewed

Xinwei Yuan, Sosuke Kondo, Kazuya Shimoda, Hao Yu, Yasuki Okuno, Ryuta Kasada

Journal of the European Ceramic Society　42　(13)　5334-5342　2022/10

DOI： 10.1016/j.jeurceramsoc.2022.06.051 　

ISSN： 0955-2219

eISSN： 1873-619X

Hybrid Organic-Inorganic Perovskite Semiconductor-Based High-Flux Neutron Detector with BN Converter Peer-reviewed

Yasuki Okuno, Taisuke Matsui, Tomohiro Kobayashi, Mitsuru Imaizumi, Yuki Jimba, Yu Hao, Sosuke Kondo, Yukihiro Kaneko, Ryuta Kasada

ACS Applied Electronic Materials　4　(7)　3411-3420　2022/07/26

DOI： 10.1021/acsaelm.2c00258 　

eISSN： 2637-6113

Effect on impact properties of adding tantalum to V-4Cr-4Ti ternary vanadium alloy

Takeshi Miyazawa, Haruka Saito, Yoshimitsu Hishinuma, Takuya Nagasaka, Takeo Muroga, Jingjie Shen, Yasuki Okuno, Hao Yu, Ryuta Kasada, Akira Hasegawa

Nuclear Materials and Energy　31　101198-101198　2022/06

DOI： 10.1016/j.nme.2022.101198 　

ISSN： 2352-1791

Change in nanoindentation hardness of polycrystalline tungsten irradiated with Fe ions or electrons by hydrogen gas charging Peer-reviewed

Koichi Sato, Ryuta Kasada, Atsushi Kiyohara, Masashi Hirabaru, Kenichi Nakano, Kiyohiro Yabuuchi, Masahiko Hatakeyama, Qiu Xu

Journal of Nuclear Materials　560　153483-153483　2022/03

DOI： 10.1016/j.jnucmat.2021.153483 　

ISSN： 0022-3115

Dissolution and recovery of beryllium from beryl using a novel wet process with microwave heating Peer-reviewed

Suguru Nakano, Jae-Hwan Kim, Taehyun Hwang, Ryuta Kasada, Masaru Nakamichi

Nuclear Materials and Energy　30　101113-101113　2022/03

DOI： 10.1016/j.nme.2022.101113 　

ISSN： 2352-1791

Nuclear Fusion 誌のアブストラクトの統計的解析による核融合科学分野の研究動向の調査の試み Peer-reviewed

坂東隆宏, 笠田竜太, 小南理恵

プラズマ・核融合学会誌　97　(3)　149-153　2021/03

Contribution of dangling-bonds to polycrystalline SiC corrosion

Sosuke Kondo, Kotaro Seki, Yuki Maeda, Hao Yu, Kazuhiro Fukami, Ryuta Kasada

Scripta Materialia　188　6-9　2020/11

DOI： 10.1016/j.scriptamat.2020.07.001 　

ISSN： 1359-6462

Fuel flow and stock during deuterium-deuterium start-up of fusion reactor with advanced plasma model

Kento Miyamae, H. Yamada, R. Kasada, S. Konishi, R. Sakamoto

Fusion Engineering and Design　160　2020/11

DOI： 10.1016/j.fusengdes.2020.111794 　

ISSN： 0920-3796

Correction to: Economic Analysis Between Diesel and SOFC Electricity via Fusion-Biomass Hybrid Model (Journal of Fusion Energy, (2018), 37, 6, (333-345), 10.1007/s10894-018-0192-z)

Hoseok Nam, Ryuta Kasada, Satoshi Konishi

Journal of Fusion Energy　39　(5)　297-298　2020/10

DOI： 10.1007/s10894-020-00267-0 　

ISSN： 0164-0313

eISSN： 1572-9591

Interfacial characterization of dissimilar-metals bonding between vanadium alloy and Hastelloy X alloy by explosive welding Peer-reviewed

Shaoning Jiang, Jingjie Shen, Takuya Nagasaka, Takeo Muroga, Akio Sagara, Somei Ohnuki, Kazuyuki Hokamoto, Shigeru Tanaka, Daisuke Inao, Yasuhiro Morizono, Ryuta Kasada, Pengfei Zheng

Journal of Nuclear Materials　539　2020/10

DOI： 10.1016/j.jnucmat.2020.152322 　

ISSN： 0022-3115

The size dependence of microstructure and hardness on the MA powders for the MA-HIP processed Cu-Y<inf>2</inf>O<inf>3</inf> dispersion-strengthened alloys

Bing Ma, Yoshimitsu Hishinuma, Yusuke Shimada, Hiroyuki Noto, Ryuta Kasada, Naoko Oono, Shigeharu Ukai, Takeo Muroga

Nuclear Materials and Energy　24　2020/08

DOI： 10.1016/j.nme.2020.100773 　

eISSN： 2352-1791

Fabrication and mechanical properties of tungsten carbide thin films via mist chemical vapor deposition Peer-reviewed

Takumi Ikenoue, Takuji Yoshida, Masao Miyake, Ryuta Kasada, Tetsuji Hirato

Journal of Alloys and Compounds　829　2020/07/15

DOI： 10.1016/j.jallcom.2020.154567 　

ISSN： 0925-8388

特集記事：「核融合エネルギー開発の現状」（３）核融合エネルギーの開発計画

岡野邦彦, 笠田竜太

保全学　19　(2)　10-15　2020/07/10

Chemical State Analysis of Light Elements in Nuclear Fission and Fusion Reactor Materials by Soft X-ray Emission Spectroscopy in Electron Probe Microanalyzer Invited

Ryuta KASADA, Keisuke MUKAI

JEOL News　55　(1)　32-35　2020/07

軟X線発光分光装置を搭載した電子プローブマイクロアナライザによる原子力・核融合材料中の軽元素分析および状態分析 Invited

笠田竜太, 向井啓祐

日本電子news　52　(1)　19-22　2020/05

Occupied Electronic States of Li in Li, Li2O2, and Li2O Analyzed by Soft X-ray Emission Spectroscopy Peer-reviewed

Keisuke Mukai, Ryuta Kasada, Kazuya Sasaki, Satoshi Konishi

The Journal of Physical Chemistry C　2020/04/14

DOI： 10.1021/acs.jpcc.0c02885 　

ISSN： 1932-7455

Microstructure development in cryogenically rolled oxide dispersion strengthened copper Peer-reviewed

S. M.S. Aghamiri, S. H. Zhang, S. Ukai, N. Oono, R. Kasada, H. Noto, Y. Hishinuma, T. Muroga

Materialia　9　2020/03

DOI： 10.1016/j.mtla.2019.100520 　

eISSN： 2589-1529

Contribution of Crystal Lattice Defects to Polycrystalline SiC Corrosion

Sosuke Kondo, Kotaro Seki, Yuki Maeda, Hao Yu, Kazuhiro Fukami, Ryuta Kasada

SSRN Electronic Journal　2020

DOI： 10.2139/ssrn.3603594 　

ISSN： 1556-5068

Positron annihilation study on the phase transition of thermally aged Fe-Cr binary alloys at 748K Peer-reviewed

R. Kasada, K. Sato

Philosophical Magazine Letters　99　(10)　360-371　2019/10/03

DOI： 10.1080/09500839.2019.1695070 　

ISSN： 0950-0839

eISSN： 1362-3036

Recrystallization of cold rolled oxide dispersion strengthened copper during room temperature annealing Peer-reviewed

S. M.S. Aghamiri, S. Ukai, N. Oono, R. Kasada, H. Noto, Y. Hishinuma, T. Muroga

Journal of Alloys and Compounds　798　187-193　2019/08/25

DOI： 10.1016/j.jallcom.2019.05.248 　

ISSN： 0925-8388

Micro- and macro- elastic properties of tungsten fiber-reinforced tungsten composites probed by nano-indentation and laser ultrasonics Peer-reviewed

H. T. Lee, S. Ando, J. W. Coenen, Y. Mao, R. Kasada, J. Riesch, Y. Ueda

Nuclear Materials and Energy　19　262-266　2019/05

DOI： 10.1016/j.nme.2019.03.001 　

eISSN： 2352-1791

核融合工学のこれまでと，これから

笠田竜太

日本原子力学会誌　61　(4)　257-258　2019/04

Valence Electron and Chemical State Analysis of Be<inf>12</inf>M (M = Ti, V) Beryllides by Soft X-ray Emission Spectroscopy Peer-reviewed

Keisuke Mukai, Ryuta Kasada, Kiyohiro Yabuuchi, Satoshi Konishi, Jae Hwan Kim, Masaru Nakamichi

ACS Applied Energy Materials　2　(4)　2889-2895　2019/04

DOI： 10.1021/acsaem.9b00223 　

eISSN： 2574-0962

Microstructure development and high tensile properties of He/H<inf>2</inf> milled oxide dispersion strengthened copper Peer-reviewed

S. M.S. Aghamiri, N. Oono, S. Ukai, R. Kasada, H. Noto, Y. Hishinuma, T. Muroga

Journal of Alloys and Compounds　783　674-679　2019/04

DOI： 10.1016/j.jallcom.2018.12.298 　

ISSN： 0925-8388

Brass-texture induced grain structure evolution in room temperature rolled ODS copper Peer-reviewed

S. M.S. Aghamiri, N. Oono, S. Ukai, R. Kasada, H. Noto, Y. Hishinuma, T. Muroga

Materials Science and Engineering A　749　118-128　2019/03/11

DOI： 10.1016/j.msea.2019.02.019 　

ISSN： 0921-5093

Investigation of mechanical properties of stress-relieved and electron-irradiated tungsten after hydrogen charging Peer-reviewed

K. Sato, H. Yamashita, A. Hirosako, S. Komazaki, Q. Xu, M. Onoue, R. Kasada, K. Yabuuchi, A. Kimura

Nuclear Materials and Energy　17　29-33　2018/12

DOI： 10.1016/j.nme.2018.08.003 　

eISSN： 2352-1791

Japanese activities of the R&amp;D on silicon carbide composites in the broader approach period and beyond Peer-reviewed

Takashi Nozawa, Kazumi Ozawa, Chang Ho Park, Joon Soo Park, Akira Kohyama, Akira Hasegawa, Shuhei Nogami, Tatsuya Hinoki, Sosuke Kondo, Toyohiko Yano, Tamaki Shibayama, Bun Tsuchiya, Tatsuo Shikama, Shinji Nagata, Teruya Tanaka, Hirotomo Iwakiri, Yasushi Yamamoto, Satoshi Konishi, Ryuta Kasada, Masatoshi Kondo, Tomoaki Kunugi, Takehiko Yokomine, Yoshitaka Ueki, Nariaki Okubo, Tomitsugu Taguchi, Hiroyasu Tanigawa

Journal of Nuclear Materials　511　582-590　2018/12/01

DOI： 10.1016/j.jnucmat.2018.05.045 　

ISSN： 0022-3115

Economic Analysis Between Diesel and SOFC Electricity via Fusion-Biomass Hybrid Model Peer-reviewed

Hoseok Nam, Ryuta Kasada, Satoshi Konishi

Journal of Fusion Energy　37　(6)　333-345　2018/12/01

DOI： 10.1007/s10894-018-0192-z 　

ISSN： 0164-0313

Liquid PbLi atomization in vacuum for tritium and heat recovery Peer-reviewed

Fumito Okino, Ryuta Kasada, Satoshi Konishi

Fusion Engineering and Design　136　63-66　2018/11

DOI： 10.1016/j.fusengdes.2017.12.025 　

ISSN： 0920-3796

The effect of wall flow velocity on compatibility of high-purity SiC materials with liquid Pb-Li alloy by rotating disc testing for 3000 h up to 900 °C Peer-reviewed

Chang Ho Park, Takashi Nozawa, Ryuta Kasada, Silvano Tosti, Satoshi Konishi, Hiroyasu Tanigawa

Fusion Engineering and Design　136　623-627　2018/11

DOI： 10.1016/j.fusengdes.2018.03.042 　

ISSN： 0920-3796

An action plan of Japan toward development of demo reactor Peer-reviewed

Kunihiko Okano, Ryuta Kasada, Yasushi Ikebe, Yasutomo Ishii, Kyoko Oba, Mieko Kashiwagi, Ryuichi Sakamoto, Naoki Sawa, Hidenobu Takenaga, Arata Nishimura, Masaru Fukuie, Shinsuke Fujioka, Yoshio Ueda, Tsuyoshi Akiyama

Fusion Engineering and Design　136　183-189　2018/11

DOI： 10.1016/j.fusengdes.2018.01.040 　

ISSN： 0920-3796

Validation of miniature test specimens for post-irradiation thermal diffusivity measurement Peer-reviewed

Masafumi Akiyoshi, Ryuta Kasada, Yuko Ishibashi, Lauren M. Garrison, Josina W. Geringer, Wallace D. Porter, Yutai Katoh

Fusion Engineering and Design　136　513-517　2018/11

DOI： 10.1016/j.fusengdes.2018.03.008 　

ISSN： 0920-3796

In-situ fabrication of yttria dispersed copper alloys through MA-HIP process Peer-reviewed

B. Huang, Y. Hishinuma, H. Noto, R. Kasada, N. Oono, S. Ukai, T. Muroga

Nuclear Materials and Energy　16　168-174　2018/08

DOI： 10.1016/j.nme.2018.06.024 　

eISSN： 2352-1791

Plasma control requirements for commercial fusion power plants: A quantitative scenario analysis with a dynamic fusion power plant model Peer-reviewed

Shutaro Takeda, Shigeki Sakurai, Ryuta Kasada, Satoshi Konishi

IEEE Transactions on Plasma Science　46　(5)　1205-1210　2018/05

DOI： 10.1109/TPS.2018.2794560 　

ISSN： 0093-3813

Microstructure and mechanical properties of mechanically alloyed ODS copper alloy for fusion material application Peer-reviewed

S. M.S. Aghamiri, N. Oono, S. Ukai, R. Kasada, H. Noto, Y. Hishinuma, T. Muroga

Nuclear Materials and Energy　15　17-22　2018/05

DOI： 10.1016/j.nme.2018.05.019 　

eISSN： 2352-1791

Detection of phase separation of neutron-irradiated Fe–Cr binary alloys using positron annihilation spectroscopy Peer-reviewed

Y. Noshita, K. Sato, H. Yamashita, R. Kasada, Q. Xu, M. Hatakeyama, S. Sunada

Nuclear Materials and Energy　15　175-179　2018/05

DOI： 10.1016/j.nme.2018.04.007 　

eISSN： 2352-1791

Effects of milling parameters on the microstructure and Charpy impact properties of MA/ODS ferritic steels Peer-reviewed

Noriyuki Y. Iwata, Ryuta Kasada, Akihiko Kimura, Takanari Okuda

Fusion Engineering and Design　126　24-28　2018/01

DOI： 10.1016/j.fusengdes.2017.10.025 　

ISSN： 0920-3796

Electrodeposition of aluminumtungsten alloy films using EMICAlCl<inf>3</inf>W<inf>6</inf>Cl<inf>12</inf> ionic liquids of different compositions Peer-reviewed

Shota Higashino, Masao Miyake, Hisashi Fujii, Ayumu Takahashi, Ryuta Kasada, Tetsuji Hirato

Materials Transactions　59　(6)　944-949　2018

DOI： 10.2320/matertrans.M2018051 　

ISSN： 1345-9678

Application of small specimen test technique to evaluate fracture toughness of reduced activation ferritic/martensitic steel Peer-reviewed

Wentuo Han, Kiyohiro Yabuuchi, Ryuta Kasada, Akihiko Kimura, Eiichi Wakai, Hiroyasu Tanigawa, Pingping Liu, Xiaoou Yi, Farong Wan

Fusion Engineering and Design　125　326-329　2017/12

DOI： 10.1016/j.fusengdes.2017.01.040 　

ISSN： 0920-3796

Myth of initial loading tritium for DEMO—Modelling of fuel system and operation scenario Peer-reviewed

Satoshi Konishi, Ryuta Kasada, Fumito Okino

Fusion Engineering and Design　121　111-116　2017/10

DOI： 10.1016/j.fusengdes.2017.05.138 　

ISSN： 0920-3796

Evaluation of the hardness and Young's modulus of electrodeposited Al–W alloy films by nano-indentation Peer-reviewed

Shota Higashino, Masao Miyake, Ayumu Takahashi, Yuya Matamura, Hisashi Fujii, Ryuta Kasada, Tetsuji Hirato

Surface and Coatings Technology　325　346-351　2017/09/25

DOI： 10.1016/j.surfcoat.2017.06.064 　

ISSN： 0257-8972

Tritium recovery efficiency from an array of PbLi droplets in vacuum Peer-reviewed

Fumito Okino, Laetitia Frances, David Demange, Ryuta Kasada, Satoshi Konishi

Fusion Science and Technology　71　(4)　575-583　2017/05

DOI： 10.1080/15361055.2017.1290972 　

ISSN： 1536-1055

TEM and HRTEM study of oxide particles in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel with Hf addition Peer-reviewed

Peng Dou, Akihiko Kimura, Ryuta Kasada, Takanari Okuda, Masaki Inoue, Shigeharu Ukai, Somei Ohnuki, Toshiharu Fujisawa, Fujio Abe, Shan Jiang, Zhigang Yang

Journal of Nuclear Materials　485　189-201　2017/03/01

DOI： 10.1016/j.jnucmat.2016.12.001 　

ISSN： 0022-3115

Longitudinal and shear wave velocities in pure tungsten and tungsten fiber-reinforced tungsten composites Peer-reviewed

H. T. Lee, S. Ando, J. W. Coenen, Y. Mao, J. Riesch, H. Gietl, R. Kasada, Y. Hamaji, K. Ibano, Y. Ueda

Physica Scripta　2017　(T170)　2017

DOI： 10.1088/1402-4896/aa89c7 　

ISSN： 0031-8949

eISSN： 1402-4896

Feasibility of waste to bio-diesel production via nuclear-biomass hybrid model; system dynamics analysis Peer-reviewed

Hoseok Nam, Ryuta Kasada, Satoshi Konishi

2017 International Congress on Advances in Nuclear Power Plants, ICAPP 2017 - A New Paradigm in Nuclear Power Safety, Proceedings　2017

Environmental life cycle assessment of high temperature nuclear fission and fusion biomass gasification plants Peer-reviewed

Shutaro Takeda, Shigeki Sakurai, Ryuta Kasada, Satoshi Konishi

2017 International Congress on Advances in Nuclear Power Plants, ICAPP 2017 - A New Paradigm in Nuclear Power Safety, Proceedings　2017

Evaluation of ion-irradiation hardening of tungsten single crystals by nanoindentation technique considering material pile-up effect Peer-reviewed

Eva Hasenhuetl, Ryuta Kasada, Zhexian Zhang, Kiyohiro Yabuuchi, Yen Jui Huang, Akihiko Kimura

Materials Transactions　58　(5)　749-756　2017

DOI： 10.2320/matertrans.M2016437 　

ISSN： 1345-9678

Ion-irradiation effect on strain rate sensitivity of nanoindentation hardness of W single crystal Peer-reviewed

Eva Hasenhuetl, Ryuta Kasada, Zhexian Zhang, Kiyohiro Yabuuchi, Akihiko Kimura

Materials Transactions　58　(4)　580-586　2017

DOI： 10.2320/matertrans.ML201603 　

ISSN： 1345-9678

Study on the characteristics of thermal structural response of full tungsten divertor under ELM-like heat pulse Peer-reviewed

Hyoseong Gwon, Shinzaburo Matsuda, Ryuta Kasada, Satoshi Konishi, Yoshinori Kawamura

Fusion Engineering and Design　109-111　1697-1700　2016/11/01

DOI： 10.1016/j.fusengdes.2015.10.027 　

ISSN： 0920-3796

Improvement of system code importing evaluation of Life Cycle Analysis of tokamak fusion power reactors Peer-reviewed

Hikaru Kobori, Ryuta Kasada, Ryoji Hiwatari, Satoshi Konishi

Fusion Engineering and Design　109-111　760-763　2016/11/01

DOI： 10.1016/j.fusengdes.2016.02.004 　

ISSN： 0920-3796

Improvement of tensile properties of pure Cu and CuCrZr alloy by cryo-rolling process Peer-reviewed

Ryota Ihira, Hyoseong Gwon, Ryuta Kasada, Satoshi Konishi

Fusion Engineering and Design　109-111　485-488　2016/11/01

DOI： 10.1016/j.fusengdes.2016.02.070 　

ISSN： 0920-3796

Limitation of fusion power plant installation on future power grids under the effect of renewable and nuclear power sources Peer-reviewed

Shutaro Takeda, Shigeki Sakurai, Yasushi Yamamoto, Ryuta Kasada, Satoshi Konishi

Fusion Engineering and Design　109-111　1754-1758　2016/11/01

DOI： 10.1016/j.fusengdes.2015.10.003 　

ISSN： 0920-3796

Chemical state mapping of degraded B<inf>4</inf>C control rod investigated with soft X-ray emission spectrometer in electron probe micro-analysis Peer-reviewed

R. Kasada, Y. Ha, T. Higuchi, K. Sakamoto

Scientific Reports　6　2016/05/10

DOI： 10.1038/srep25700 　

eISSN： 2045-2322

Development of Strategic Establishment of Technology Bases for a Fusion DEMO Reactor in Japan Peer-reviewed

Hiroshi Yamada, Ryuta Kasada, Akira Ozaki, Ryuichi Sakamoto, Yoshiteru Sakamoto, Hidenobu Takenaga, Teruya Tanaka, Hisashi Tanigawa, Kunihiko Okano, Kenji Tobita, Osamu Kaneko, Kenkichi Ushigusa

Journal of Fusion Energy　35　(1)　4-26　2016/02/01

DOI： 10.1007/s10894-015-0018-1 　

ISSN： 0164-0313

SSTT Development Towards to The Design of Fusion DEMO Reactors and Future Direction Plan Peer-reviewed

E. Wakai, S. Nogami, Y. Ito, A. Kimura, H. Tanigawa, M. Sugimoto, M. Ando, A. Hasegawa, A. Nishimura, R. Kasada, M. Saito, F. Arbeiter, J. Knaster, S.M. Gonzalez, de Vicente

26th IAEA Fusion Energy Conference 2016　MPT/P5-25-(pages 8)　2016

DOI： 10.1007/s10894-015-0018-1 　

Let's Create our Future with Fusion Reactor

KASADA Ryuta

Journal of the Society of Mechanical Engineers　119　(1174)　510-513　2016

DOI： 10.1299/jsmemag.119.1174_510 　

ISSN： 0021-4728

Japanese endeavors to establish technological bases for DEMO

Hiroshi Yamada, Ryuta Kasada, Akira Ozaki, Ryuichi Sakamoto, Yoshiteru Sakamoto, Hidenobu Takenaga, Teruya Tanaka, Hisashi Tanigawa, Kunihiko Okano, Kenji Tobita, Osamu Kaneko, Kenkichi Ushigusa

Fusion Engineering and Design　109-111　1318-1325　2016

DOI： 10.1016/j.fusengdes.2015.12.035 　

ISSN： 0920-3796

Feasibility analysis of vacuum sieve tray for tritium extraction in the HCLL test blanket system Peer-reviewed

Fumito Okino, Pattrick Calderoni, Ryuta Kasada, Satoshi Konishi

Fusion Engineering and Design　109-111　(Part B)　1748-1753　2016

DOI： 10.1016/j.fusengdes.2015.10.004 　

ISSN： 0920-3796

Evaluation of strain-rate sensitivity of ion-irradiated austenitic steel using strain-rate jump nanoindentation tests Peer-reviewed

Ryuta Kasada, Satoshi Konishi, Dai Hamaguchi, Masami Ando, Hiroyasu Tanigawa

Fusion Engineering and Design　109-111　1507-1510　2016

DOI： 10.1016/j.fusengdes.2015.11.041 　

ISSN： 0920-3796

Oxide dispersion strengthened steels for advanced blanket systems Peer-reviewed

Akihiko Kimura, Wentuo Han, Hwanil Je, Kiyohiro Yabuuchi, Ryuta Kasada

Plasma and Fusion Research　11　(1)　2016

DOI： 10.1585/pfr.11.2505090 　

eISSN： 1880-6821

Dynamic tensile properties of reduced-activation ferritic steel F82H Peer-reviewed

Ryuta Kasada, Daiki Ishii, Masami Ando, Hiroyasu Tanigawa, Mitsuru Ohata, Satoshi Konishi

Fusion Engineering and Design　100　146-151　2015/11/01

DOI： 10.1016/j.fusengdes.2015.05.001 　

ISSN： 0920-3796

Evaluation of tritium transport in the biomass-fusion hybrid system and its environmental impact Peer-reviewed

Kyosuke Namba, Ryuta Kasada, Satoshi Konishi, Yasushi Yamamoto

Fusion Engineering and Design　98-99　2162-2165　2015/10/01

DOI： 10.1016/j.fusengdes.2015.07.009 　

ISSN： 0920-3796

Evaluation of thermal structural behavior of divertor under ELM Peer-reviewed

Hyoseong Gwon, Shinzaburo Matsuda, Ryuta Kasada, Satoshi Konishi

Fusion Engineering and Design　98-99　1318-1322　2015/10/01

DOI： 10.1016/j.fusengdes.2015.02.015 　

ISSN： 0920-3796

A system dynamics model for stock and flow of tritium in fusion power plant Peer-reviewed

Ryuta Kasada, Saerom Kwon, Satoshi Konishi, Yoshiteru Sakamoto, Toshihiko Yamanishi, Kenji Tobita

Fusion Engineering and Design　98-99　1804-1807　2015/10/01

DOI： 10.1016/j.fusengdes.2015.03.047 　

ISSN： 0920-3796

Dynamic simulation-based case study of fusion on small-scale electrical grids Peer-reviewed

Shutaro Takeda, Satoshi Konishi, Yasushi Yamamoto, Ryuta Kasada, Shigeki Sakurai

Fusion Science and Technology　68　(2)　341-345　2015/09/01

DOI： 10.13182/FST15-106 　

ISSN： 1536-1055

eISSN： 1943-7641

Preheating temperature effect on tritium retention in VPS-W Peer-reviewed

Misaki Sato, Hiromichi Uchimura, Kensuke Toda, Tomonori Tokunaga, Hideo Watanabe, Naoaki Yoshida, Yuji Hatano, Ryuta Kasada, Takuya Nagasaka, Akihiko Kimura, Yasuhisa Oya, Kenji Okuno

Fusion Science and Technology　67　(3)　551-554　2015/04

DOI： 10.13182/FST14-T77 　

ISSN： 1536-1055

Round-Table Discussion : Current Status and Challenges of Nuclear Fusion Research toward Development Phase of a DEMO Reactor

WATANABE Kazuhito, KIKUCHI Koichi, SEMBA Hideshi, IKEBE Yasushi, TANIGAWA Hisashi, OCHIAI Kentaro, TANIGAWA Hiroyasu, NAKAMURA Makoto, MIYAZAWA Junichi, NOGAMI Shuhei, MATSUNAGA Go, YAMANOI Kohei, KASADA Ryuta

プラズマ・核融合学会誌　91　(3)　215-230　2015/03

ISSN： 0918-7928

Effects of tensile stress on Cu clustering in irradiated Fe-Cu alloy Peer-reviewed

K. Fujii, K. Fukuya, R. Kasada, A. Kimura, T. Ohkubo

Journal of Nuclear Materials　458　281-287　2015/03

DOI： 10.1016/j.jnucmat.2014.12.108 　

ISSN： 0022-3115

Current Status of Internet Outreach and Fusion Portal Web Site

KASADA Ryuta

プラズマ・核融合学会誌　91　(2)　111-114　2015/02

ISSN： 0918-7928

Requirements for DEMO from the Aspect of Mitigation of Adverse Effects on the Electrical Grid Peer-reviewed

Shutaro TAKEDA, Yasushi YAMAMOTO, Ryuta KASADA, Shigeki SAKURAI, Satoshi KONISHI

Plasma and Fusion Research　10　1205070-1205070　2015

DOI： 10.1585/pfr.10.1205070 　

Industry Support Program by Dual-beam Materials Irradiation Accelerator

木村 晃彦, 檜木 達也, 笠田 竜太

加速器 : 日本加速器学会誌　12　(4)　217-221　2015

ISSN： 1349-3833

Evaluation of irradiation hardening of ion-irradiated V-4Cr-4Ti and V-4Cr-4Ti-0.15Y alloys by nanoindentation techniques Peer-reviewed

Takeshi Miyazawa, Takuya Nagasaka, Ryuta Kasada, Yoshimitsu Hishinuma, Takeo Muroga, Hideo Watanabe, Takuya Yamamoto, Shuhei Nogami, Masahiko Hatakeyama

Journal of Nuclear Materials　455　(1-3)　440-444　2014/12

DOI： 10.1016/j.jnucmat.2014.07.059 　

ISSN： 0022-3115

Corrosion behavior of F82H exposed to high temperature pressurized water with a rotating apparatus Peer-reviewed

A. Kanai, R. Kasada, M. Nakajima, T. Hirose, H. Tanigawa, M. Enoeda, S. Konishi

Journal of Nuclear Materials　455　(1-3)　431-435　2014/12

DOI： 10.1016/j.jnucmat.2014.07.067 　

ISSN： 0022-3115

Evaluation of heat transfer by sublimation for the application to the divertor heat sink for high fusion energy conversion Peer-reviewed

Hyoseong Gwon, Yuto Takeuchi, Ryuta Kasada, Satoshi Konishi

Fusion Engineering and Design　89　(7-8)　1003-1008　2014/10

DOI： 10.1016/j.fusengdes.2014.03.041 　

ISSN： 0920-3796

Compatibility of Ni and F82H with liquid Pb-Li under rotating flow Peer-reviewed

A. Kanai, C. Park, K. Noborio, R. Kasada, S. Konishi, T. Hirose, T. Nozawa, H. Tanigawa

Fusion Engineering and Design　89　(7-8)　1653-1657　2014/10

DOI： 10.1016/j.fusengdes.2014.03.008 　

ISSN： 0920-3796

Study on flow instability for feasibility of a thin liquid film first wall Peer-reviewed

Fumito Okino, Ryuta Kasada, Satoshi Konishi

Fusion Engineering and Design　89　(7-8)　1054-1058　2014/10

DOI： 10.1016/j.fusengdes.2014.01.047 　

ISSN： 0920-3796

Underwater explosive welding of tungsten to reduced-activation ferritic steel F82H Peer-reviewed

Daichi Mori, Ryuta Kasada, Satoshi Konishi, Yasuhiro Morizono, Kazuyuki Hokamoto

Fusion Engineering and Design　89　(7-8)　1086-1090　2014/10

DOI： 10.1016/j.fusengdes.2013.12.038 　

ISSN： 0920-3796

Depth-dependent nanoindentation hardness of reduced-activation ferritic steels after MeV Fe-ion irradiation Peer-reviewed

Ryuta Kasada, Satoshi Konishi, Kiyohiro Yabuuchi, Shuhei Nogami, Masami Ando, Dai Hamaguchi, Hiroyasu Tanigawa

Fusion Engineering and Design　89　(7-8)　1637-1641　2014/10

DOI： 10.1016/j.fusengdes.2014.03.068 　

ISSN： 0920-3796

Interfacial microstructures and hardness distributions of vacuum plasma spraying W-coated ODS ferritic steels for fusion plasma facing applications Peer-reviewed

Sanghoon Noh, Ryuta Kasada, Akihiko Kimura, Takuya Nagasaka, Mikhail A. Sokolov, Tae Kyu Kim

Fusion Engineering and Design　89　(4)　289-293　2014/04

DOI： 10.1016/j.fusengdes.2014.01.084 　

ISSN： 0920-3796

Evaluation of irradiation hardening of proton irradiated stainless steels by nanoindentation Peer-reviewed

Kiyohiro Yabuuchi, Yutaka Kuribayashi, Shuhei Nogami, Ryuta Kasada, Akira Hasegawa

Journal of Nuclear Materials　446　(1-3)　142-147　2014/03

DOI： 10.1016/j.jnucmat.2013.12.009 　

ISSN： 0022-3115

TEM and HRTEM study of oxide particles in an Al-alloyed high-Cr oxide dispersion strengthened steel with Zr addition Peer-reviewed

Peng Dou, Akihiko Kimura, Ryuta Kasada, Takanari Okuda, Masaki Inoue, Shigeharu Ukai, Somei Ohnuki, Toshiharu Fujisawa, Fujio Abe

Journal of Nuclear Materials　444　(1-3)　441-453　2014

DOI： 10.1016/j.jnucmat.2013.10.028 　

ISSN： 0022-3115

Super ODS steels R&D for fuel cladding of advanced nuclear systems Peer-reviewed

A. Kimura, R. Kasada, N.Y. Iwata, J. Isselin, P. Dou, J.H. Lee, T. Okuda, M. Inoue, S. Ukai, S. Ohnuki, H.Sano, T. Fujisawa, F. Abe

Proceedings of the 2nd International Workshop on Structural Materials for Innovative Nuclear Systems (SMINS-2), Daejon, Korea　135-147　2013/12

DOI： 10.1787/9789264992092-en 　

ISSN： 1990-0643

Influence of processing parameters on the microstructure and Charpy impact properties of ODS ferritic steels Peer-reviewed

N.Y. Iwata, T. Liu, R. Kasada, A. Kimura, T. Okuda, M. Inoue, F. Abe, S. Ukai, S. Ohnuki, T. Fujisawa

Proceedings of the 2nd International Workshop on Structural Materials for Innovative Nuclear Systems (SMINS-2), Daejon, Korea　367-368　2013/12

Development of high-grade VPS-tungsten coatings on F82H reduced activation steel

Tomonori Tokunaga, Hideo Watanabe, Naoaki Yoshida, Takuya Nagasaka, Ryuta Kasada, Young-Ju Lee, Akihiko Kimura, Masayuki Tokitani, Masatoshi Mitsuhara, Tatsuya Hinoki, Hideharu Nakashima, Suguru Masuzaki, Takeshi Takabatake, Nobuyoshi Kuroki, Koichiro Ezato, Satoshi Suzuki, Masato Akiba

JOURNAL OF NUCLEAR MATERIALS　442　(1-3)　S287-S291　2013/11

DOI： 10.1016/j.jnucmat.2012.11.004 　

ISSN： 0022-3115

eISSN： 1873-4820

Nanoindentation hardness and its extrapolation to bulk-equivalent hardness of F82H steels after single- and dual-ion beam irradiation

Y. Takayama, R. Kasada, Y. Sakamoto, K. Yabuuchi, A. Kimura, M. Ando, D. Hamaguchi, H. Tanigawa

JOURNAL OF NUCLEAR MATERIALS　442　(1-3)　S23-S27　2013/11

DOI： 10.1016/j.jnucmat.2012.12.033 　

ISSN： 0022-3115

eISSN： 1873-4820

Behavior of deuterium retention and surface morphology for VPS-W/F82H

Yasuhisa Oya, Masashi Shimada, Tomonori Tokunaga, Hideo Watanabe, Naoaki Yoshida, Yuji Hatano, Ryuta Kasada, Takuya Nagasaka, Akihiko Kimura, Kenji Okuno

JOURNAL OF NUCLEAR MATERIALS　442　(1-3)　S242-S245　2013/11

DOI： 10.1016/j.jnucmat.2013.01.321 　

ISSN： 0022-3115

eISSN： 1873-4820

Application of master curve method to the evaluation of fracture toughness of F82H steels

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura, Eiichi Wakai, Hiroyasu Tanigawa

JOURNAL OF NUCLEAR MATERIALS　442　(1-3)　S38-S42　2013/11

DOI： 10.1016/j.jnucmat.2013.03.079 　

ISSN： 0022-3115

eISSN： 1873-4820

Effect of alloying elements on irradiation hardening behavior and microstructure evolution in BCC Fe

Kiyohiro Yabuuchi, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　442　(1-3)　S790-S795　2013/11

DOI： 10.1016/j.jnucmat.2013.04.035 　

ISSN： 0022-3115

eISSN： 1873-4820

Grain refinement of transient liquid phase bonding zone using ODS insert foil

Hiroyuki Noto, Ryuta Kasada, Akihiko Kimura, Shigeharu Ukai

JOURNAL OF NUCLEAR MATERIALS　442　(1-3)　S567-S571　2013/11

DOI： 10.1016/j.jnucmat.2013.04.054 　

ISSN： 0022-3115

eISSN： 1873-4820

Comparison of irradiation hardening and microstructure evolution in ion-irradiated delta and epsilon hydrides

Naoko Oono, Ryuta Kasada, Toru Higuchi, Kan Sakamoto, Masafumi Nakatsuka, Akiko Hasegawa, Sosuke Kondo, Noriyuki Y. Iwata, Hideki Matsui, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　442　(1-3)　S826-S829　2013/11

DOI： 10.1016/j.jnucmat.2013.03.013 　

ISSN： 0022-3115

eISSN： 1873-4820

Neutronics and pumping power analyses on the Tokamak reactor for the fusion-biomass hybrid concept

Kenzo Ibano, Ryuta Kasada, Yasushi Yamamoto, Satoshi Konishi

FUSION ENGINEERING AND DESIGN　88　(11)　2881-2884　2013/11

DOI： 10.1016/j.fusengdes.2013.05.088 　

ISSN： 0920-3796

eISSN： 1873-7196

Effect of nickel content on the neutron irradiation embrittlement of Ni-Mo-Cr steels

Chang-Hoon Lee, R. Kasada, A. Kimura, Bong-Sang Lee, Dong-Woo Suh, Hu-Chul Lee

METALS AND MATERIALS INTERNATIONAL　19　(6)　1203-1208　2013/11

DOI： 10.1007/s12540-013-6007-x 　

ISSN： 1598-9623

eISSN： 2005-4149

Effect of Mn addition on one-dimensional migration of dislocation loops in body-centered cubic Fe

Kiyohiro Yabuuchi, Ryuta Kasada, Akihiko Kimura

ACTA MATERIALIA　61　(17)　6517-6523　2013/10

DOI： 10.1016/j.actamat.2013.07.029 　

ISSN： 1359-6454

Sol-gel composite coatings as anti-corrosion barrier for structural materials of lead-bismuth eutectic cooled fast reactor

Ryuta Kasada, Peng Dou

JOURNAL OF NUCLEAR MATERIALS　440　(1-3)　647-653　2013/09

DOI： 10.1016/j.jnucmat.2013.06.014 　

ISSN： 0022-3115

eISSN： 1873-4820

NEUTRONICS ANALYSIS ON THE BEAM OPTICS FROM CYLINDICAL DISCHARGE TYPE FUSION DEVICE

Naoya Matsui, Takahiro Maegawa, Kazuyuki Noborio, Ryuta Kasada, Yasushi Yamamoto, Satoshi Konishi

FUSION SCIENCE AND TECHNOLOGY　64　(3)　692-696　2013/09

ISSN： 1536-1055

Deuterium retention in VPS-W coated vanadium alloy (V-4Cr-4Ti)

Yoshio Ueda, Kazuhiro Uekita, Makoto Oya, Yusuke Ohtsuka, Takuya Nagasaka, Ryuta Kasada, Akihiko Kimura, Tomonori Tokunaga, Naoaki Yoshida

JOURNAL OF NUCLEAR MATERIALS　438　S1125-S1128　2013/07

DOI： 10.1016/j.jnucmat.2013.01.248 　

ISSN： 0022-3115

eISSN： 1873-4820

High heat loading properties of vacuum plasma spray tungsten coatings on reduced activation ferritic/martensitic steel

K. Tokunaga, T. Hotta, K. Araki, Y. Miyamoto, T. Fujiwara, M. Hasegawa, K. Nakamura, K. Ezato, S. Suzuki, M. Enoeda, M. Akiba, T. Nagasaka, R. Kasada, A. Kimura

JOURNAL OF NUCLEAR MATERIALS　438　S905-S908　2013/07

DOI： 10.1016/j.jnucmat.2013.01.196 　

ISSN： 0022-3115

eISSN： 1873-4820

Anisotropic heat transfer characteristics of composite material enhanced with high thermal conductivity fiber

H. S. Gwon, S. H. Kim, R. Kasada, S. Konishi

2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013　2013

DOI： 10.1109/SOFE.2013.6635450 　

Operation scenario of DT fusion plant without external initial tritium Peer-reviewed

S. Kwon, R. Kasada, S. Konishi

2013 IEEE 25th Symposium on Fusion Engineering, SOFE 2013　2013

DOI： 10.1109/SOFE.2013.6635449 　

Neutronics of sic-lipb high temperature blanket for tritium production

Saerom Kwon, Satoshi Sato, Ryuta Kasada, Satoshi Konishi

Fusion Science and Technology　64　(3)　599-603　2013

DOI： 10.13182/FST12-581 　

ISSN： 1536-1055

Manufacture of vacuum plasma spraying tungsten with homogenous texture on reduced activation ferritic steel at about 873K

Tomonori Tokunaga, Hideo Watanabe, Naoaki Yoshida, Takuya Nagasaka, Ryuta Kasada, Akihiko Kimura, Masayuki Tokitani, Masatoshi Mitsuhara, Hideharu Nakashima, Suguru Masuzaki, Takeshi Takabatake, Nobuyoshi Kuroki, Koichiro Ezato, Satoshi Suzuki, Masato Akiba

Plasma and Fusion Research　8　2013

DOI： 10.1585/pfr.8.1405111 　

ISSN： 1880-6821

eISSN： 1880-6821

Enhanced mass transfer of deuterium extracted from falling liquid pb-17li droplets

Fumito Okino, Kazuyuki Noborio, Ryuta Kasada, Satoshi Konishi

Fusion Science and Technology　64　(3)　543-548　2013

DOI： 10.13182/FST12-546 　

ISSN： 1536-1055

Ion-Irradiation Hardening of Brazed Joints of Tungsten and Oxide Dispersion Strengthened (ODS) Ferritic Steel

Y. Himei, K. Yabuuchi, R. Kasada, S. Noh, H. Noto, T. Nagasaka, S. Nogami, A. Kimura

MATERIALS TRANSACTIONS　54　(4)　446-450　2013

DOI： 10.2320/matertrans.MG201212 　

ISSN： 1345-9678

eISSN： 1347-5320

Effects of titanium concentration and tungsten addition on the nano-mesoscopic structure of high-Cr oxide dispersion strengthened (ODS) ferritic steels

Peng Dou, Akihiko Kimura, Ryuta Kasada, Takanari Okuda, Masaki Inoue, Shigeharu Ukai, Somei Ohnuki, Toshiharu Fujisawa, Fujio Abe

Journal of Nuclear Materials　442　(1-3)　S95-S100　2013

DOI： 10.1016/j.jnucmat.2013.04.090 　

ISSN： 0022-3115

A feasibility study of an application of fusion neutron beam source based on cylindrical discharge device for cancer therapy

Yasunori Nakai, Kazuyuki Noborio, Yuto Takeuchi, Ryuta Kasada, Yasushi Yamamoto, Satoshi Konishi

Fusion Science and Technology　64　(2)　379-383　2013

DOI： 10.13182/FST13-A18106 　

ISSN： 1536-1055

Deuterium transport prediction in oscillating liquid pb-17li droplet

Fumito Okino, Kazuyuki Noborio, Ryuta Kasada, Satoshi Konishi

Fusion Science and Technology　64　(3)　549-551　2013

DOI： 10.13182/FST13-A19151 　

ISSN： 1536-1055

Material behavior on heat loading and hydrogen penetration of vacuum plasma spray tungsten coatings on reduced activation ferritic/martensitic steel Peer-reviewed

Kazutoshi Tokunaga, Tomohiro Hotta, Teppei Otsuka, Akira Kobayashi, Kuniaki Araki, Yoshio Miyamoto, Tadashi Fujiwara, Makoto Hasegawa, Kazuo Nakamura, Koichiro Ezato, Satoshi Suzuki, Mikio Enoeda, Masato Akiba, Takuya Nagasaka, Ryuta Kasada, Akihiko Kimura

Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society　31　(4)　2013

DOI： 10.2207/qjjws.31.183s 　

ISSN： 0288-4771

Diffusion bonding between ODS ferritic steel and F82H steel for fusion applications

Sanghoon Noh, Byungjun Kim, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　426　(1-3)　208-213　2012/07

DOI： 10.1016/j.jnucmat.2012.02.024 　

ISSN： 0022-3115

Evaluation of impact properties of weld joint of reactor pressure vessel steels with the use of miniaturized specimens

Byung Jun Kim, Hideaki Mitsui, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY　49　(6)　618-631　2012/06

DOI： 10.1080/00223131.2012.687235 　

ISSN： 0022-3131

Evaluation of grain boundary embrittlement of phosphorus added F82H steel by SSTT

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura, Hiroyasu Tanigawa

JOURNAL OF NUCLEAR MATERIALS　421　(1-3)　153-159　2012/02

DOI： 10.1016/j.jnucmat.2011.11.063 　

ISSN： 0022-3115

Validation and evaluation of master Curve method to application for fusion structural materials in fracture toughness

Kim Byung Jun, Kasada Ryuta, Kimura Akihiko, Wakai Eiichi

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2012s　682-682　2012

DOI： 10.11561/aesj.2012s.0.682.0 　

A Feasibility study of a medical application of cylindrical discharge type fusion neutron beam source

NAKAI Yasunori, NOBORIO Kazuyuki, KASADA Ryuta, YAMAMOTO Yasushi, KONISHI Satoshi

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2012　756-756　2012

DOI： 10.11561/aesj.2012f.0.756.0 　

Effects of Stress on Irradiation Embrittlement in Reactor Pressure Vessel Steels

Fujii Katsuhiko, Fukuya Koji, Kasada Ryuta, Kimura Akihiko

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2012　407-407　2012

DOI： 10.11561/aesj.2012f.0.407.0 　

Assessment of adoptation of fusion plant into the electricity system

Konishi Satoshi, Yamamoto Yasushi, Kasada Ryuta

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2012　700-700　2012

DOI： 10.11561/aesj.2012f.0.700.0 　

Tritiium mass transfer on oscillating liquid droplet of Pb-17Li

Okino Fumito, Noborio Kazuyuki, Kasada Ryuuta, Konishi Satoshi

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2012　686-686　2012

DOI： 10.11561/aesj.2012f.0.686.0 　

Evaluation of tritium production, breeding behavior in LiPb system

Kwon Saerom, Noborio Kazuyuki, Kasada Ryuta, Konishi Satoshi

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2012　699-699　2012

DOI： 10.11561/aesj.2012f.0.699.0 　

The evaluation of thermal conductivity and development of UD-Cf/SiC composite as structural materials for new concept of low temperature gradient divertor Peer-reviewed

S.H. Kim, Y.J. Lee, T. Hinoki, H.K. Yoo, R. Kasada, S. Konishi

核融合工学部会夏の学校，青森屋，青森，2012.8.19-22　2012

Recent progress of tungsten R&D for fusion application in Japan Peer-reviewed

Y. Ueda, H. T. Lee, N. Ohno, S. Kajita, A. Kimura, R. Kasada, T. Nagasaka, Y. Hatano, A. Hasegawa, H. Kurishita, Y. Oya

PHYSICA SCRIPTA　T145　2011/12

DOI： 10.1088/0031-8949/2011/T145/014029 　

ISSN： 0031-8949

eISSN： 1402-4896

Work Hardening, Sensitization, and Potential Effects on the Susceptibility to Crack Initiation of 316L Stainless Steel in BWR Environment

Jerome Isselin, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY　48　(12)　1462-1470　2011/12

DOI： 10.1080/18811248.2011.9711839 　

ISSN： 0022-3131

eISSN： 1881-1248

Irradiation hardening and microstructure evolution of ion-irradiated Zr-hydride

Naoko Oono, Ryuta Kasada, Toru Higuchi, Kan Sakamoto, Masafumi Nakatsuka, Akiko Hasegawa, Sosuke Kondo, Hideki Matsui, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　419　(1-3)　366-370　2011/12

DOI： 10.1016/j.jnucmat.2011.06.041 　

ISSN： 0022-3115

eISSN： 1873-4820

Work Hardening, Sensitization, and Potential Effects on the Susceptibility to Crack Initiation of 316L Stainless Steel in BWR Environment

Jerome Isselin, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY　48　(12)　1462-1470　2011/12

DOI： 10.1080/18811248.2011.9711839 　

ISSN： 0022-3131

eISSN： 1881-1248

Study on Quantitative Evaluation of Fracture Toughness by Small Specimen

Yusuke UEDA, Yasuhito TAKASHIMA, Mitsuru OHATA, Fumiyoshi MINAMI, Ryuta KASADA, Akihiko KIMURA, Yasuhiro TANIGAWA

2011/11

Compatibility of SiCf/SiC composite exposed to liquid Pb-Li flow

C. Park, K. Noborio, R. Kasada, Y. Yamamoto, S. Konishi

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　1218-1220　2011/10

DOI： 10.1016/j.jnucmat.2011.06.016 　

ISSN： 0022-3115

Effects of specimen size on fracture toughness of phosphorous added F82H steels

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura, Hiroyasu Tanigawa

FUSION ENGINEERING AND DESIGN　86　(9-11)　2403-2408　2011/10

DOI： 10.1016/j.fusengdes.2011.04.001 　

ISSN： 0920-3796

Anisotropy in tensile and ductile-brittle transition behavior of ODS ferritic steels

R. Kasada, S. G. Lee, J. Isselin, J. H. Lee, T. Omura, A. Kimura, T. Okuda, M. Inoue, S. Ukai, S. Ohnuki, T. Fujisawa, F. Abe

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　180-184　2011/10

DOI： 10.1016/j.jnucmat.2010.12.069 　

ISSN： 0022-3115

Microstructures of brazed and solid-state diffusion bonded joints of tungsten with oxide dispersion strengthened steel

Naoko Oono, Sanghoon Noh, Noriyuki Iwata, Takuya Nagasaka, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　253-256　2011/10

DOI： 10.1016/j.jnucmat.2011.04.004 　

ISSN： 0022-3115

SCC behavior of SUS316L in the high temperature pressurized water environment

Masahiro Nono, Tetsuya Nakajima, Masahiro Iwama, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　878-882　2011/10

DOI： 10.1016/j.jnucmat.2010.12.150 　

ISSN： 0022-3115

Dose dependence of irradiation hardening of binary ferritic alloys irradiated with Fe3+ ions

Kiyohiro Yabuuchi, Hiroki Yano, Ryuta Kasada, Hirotatsu Kishimoto, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　988-991　2011/10

DOI： 10.1016/j.jnucmat.2010.12.204 　

ISSN： 0022-3115

eISSN： 1873-4820

A new approach to evaluate irradiation hardening of ion-irradiated ferritic alloys by nano-indentation techniques

Ryuta Kasada, Yoshiyuki Takayama, Kiyohiro Yabuuchi, Akihiko Kimura

FUSION ENGINEERING AND DESIGN　86　(9-11)　2658-2661　2011/10

DOI： 10.1016/j.fusengdes.2011.03.073 　

ISSN： 0920-3796

Development of Al added high-Cr ODS steels for fuel cladding of next generation nuclear systems

A. Kimura, R. Kasada, N. Iwata, H. Kishimoto, C. H. Zhang, J. Isselin, P. Dou, J. H. Lee, N. Muthukumar, T. Okuda, M. Inoue, S. Ukai, S. Ohnuki, T. Fujisawa, T. F. Abe

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　176-179　2011/10

DOI： 10.1016/j.jnucmat.2010.12.300 　

ISSN： 0022-3115

Influence of alloy composition and temperature on corrosion behavior of ODS ferritic steels

J. H. Lee, R. Kasada, A. Kimura, T. Okuda, M. Inoue, S. Ukai, S. Ohnuki, T. Fujisawa, F. Abe

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　1225-1228　2011/10

DOI： 10.1016/j.jnucmat.2010.12.279 　

ISSN： 0022-3115

Small specimen test technology and methodology of IFMIF/EVEDA and the further subjects

E. Wakai, S. Nogami, R. Kasada, A. Kimura, H. Kurishita, M. Saito, Y. Ito, F. Takada, K. Nakamura, J. Molla, P. Garin

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　1325-1330　2011/10

DOI： 10.1016/j.jnucmat.2011.02.011 　

ISSN： 0022-3115

Microstructure and mechanical properties of friction stir processed ODS ferritic steels

Sanghoon Noh, Ryuta Kasada, Akihiko Kimura, Seung Hwan C. Park, Satoshi Hirano

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　245-248　2011/10

DOI： 10.1016/j.jnucmat.2011.01.059 　

ISSN： 0022-3115

Effects of MA environment on the mechanical and microstructural properties of ODS ferritic steels

Noriyuki Y. Iwata, Tong Liu, Peng Dou, Ryuta Kasada, Akihiko Kimura, Takanari Okuda, Masaki Inoue, Fujio Abe, Shigeharu Ukai, Somei Ohnuki, Toshiharu Fujisawa

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　162-165　2011/10

DOI： 10.1016/j.jnucmat.2010.12.058 　

ISSN： 0022-3115

Characterization of the oxide particles in Al-added high-Cr ODS ferritic steels

C. H. Zhang, A. Kimura, R. Kasada, J. Jang, H. Kishimoto, Y. T. Yang

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　221-224　2011/10

DOI： 10.1016/j.jnucmat.2010.12.063 　

ISSN： 0022-3115

Evaluation of fracture behavior of recrystallized and aged high-Cr ODS ferritic steels

J. Isselin, R. Kasada, A. Kimura, T. Okuda, M. Inoue, S. Ukai, S. Ohnuki, T. Fujisawa, F. Abe

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　185-188　2011/10

DOI： 10.1016/j.jnucmat.2010.12.061 　

ISSN： 0022-3115

Effects of cold work and phosphorous on the ductile to brittle transition behavior of F82H steels

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura, Hiroyasu Tanigawa

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　135-139　2011/10

DOI： 10.1016/j.jnucmat.2011.01.099 　

ISSN： 0022-3115

Mechanical properties of V-4Cr-4Ti alloy after first-wall coating with tungsten

Takuya Nagasaka, Takeo Muroga, Hideo Watanabe, Ryuta Kasada, Noriyuki Iwata, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　417　(1-3)　306-309　2011/10

DOI： 10.1016/j.jnucmat.2011.02.035 　

ISSN： 0022-3115

Neutron irradiation hardening and microstructure changes in Fe-Mn binary alloys

Kiyohiro Yabuuchi, Masashi Saito, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　414　(3)　498-502　2011/07

DOI： 10.1016/j.jnucmat.2011.05.008 　

ISSN： 0022-3115

Solid-state diffusion bonding of high-Cr ODS ferritic steel

Sanghoon Noh, Ryuta Kasada, Akihiko Kimura

ACTA MATERIALIA　59　(8)　3196-3204　2011/05

DOI： 10.1016/j.actamat.2011.01.059 　

ISSN： 1359-6454

Current Status and Issues in Joining Technology of Reduced Activation Ferritic/Martensitic Steel

HIROSE Takanori, SERIZAWA Hisashi, KISHIMOTO Hirotatsu, OGIWARA Hiroyuki, FUJII Hidetoshi, NAGASAKA Takuya, KASADA Ryuta, NOZAWA Takashi, TANIGAWA Hiroyasu, SHIBA Kiyoyuki

Journal of plasma and fusion research　87　(3)　172-180　2011/03/25

ISSN： 0918-7928

Fusion Neutron Irradiation Effects on Reduced Activation Ferritic/Martensitic Steel

HAMAGUCHI Dai, KASADA Ryuta, OCHIAI Kentaro, ANDO Masami, TANIGAWA Hiroyasu

Journal of plasma and fusion research　87　(3)　181-186　2011/03/25

ISSN： 0918-7928

Current Status and issues on Reduced Activation Ferritic/Martensitic Steel Database

SHIBA Kiyoyuki, KASADA Ryuta, NOGAMI Shuhei, NAKATA Toshiya, OKUBO Nariaki

Journal of plasma and fusion research　87　(3)　187-194　2011/03/25

ISSN： 0918-7928

Effects of Aluminum on the Corrosion Behavior of 16%Cr ODS Ferritic Steels in a Nitric Acid Solution

Jerome Isselin, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY　48　(2)　169-171　2011/02

DOI： 10.1080/18811248.2011.9711691 　

ISSN： 0022-3131

eISSN： 1881-1248

Production of thick high-performance sintered neodymium magnets by grain boundary diffusion treatment with dysprosium-nickel-aluminum alloy

Naoko Oono, Masato Sagawa, Ryuta Kasada, Hideki Matsui, Akihiko Kimura

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS　323　(3-4)　297-300　2011/02

DOI： 10.1016/j.jmmm.2010.09.021 　

ISSN： 0304-8853

Effects of Aluminum on the Corrosion Behavior of 16%Cr ODS Ferritic Steels in a Nitric Acid Solution

Jerome Isselin, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY　48　(2)　169-171　2011/02

DOI： 10.1080/18811248.2011.9711691 　

ISSN： 0022-3131

eISSN： 1881-1248

Preliminary study on nano- and micro-composite sol-gel based alumina coatings on structural components of lead-bismuth eutectic cooled fast breeder reactors

Peng Dou, Ryuta Kasada

JOURNAL OF NUCLEAR MATERIALS　409　(3)　177-182　2011/02

DOI： 10.1016/j.jnucmat.2010.11.022 　

ISSN： 0022-3115

Ion irradiation effect on ultra micro hardness of zirconium hydride

Higuchi Toru, Kimura Akihiko, Muta Hiroaki, Kimura Hiroaki, Sakamoto Kan, Nakatsuka Masafumi, Kasada Ryuta, Hasegawa Akiko, Kondo Sosuke, Oono Naoko, Hashitomi Okinobu, Matsui Hideki

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2011　(0)　461-461　2011

DOI： 10.11561/aesj.2011f.0.461.0 　

Positron annihilation lifetime measurements of He-ion-irradiated Fe using pulsed positron beam

K. Sato, A. Kinomura, T. Omura, Q. Xu, T. Yoshiie, R. Kasada, A. Kimura, K. Morishita

Journal of Physics: Conference Series　262　2011/01/01

DOI： 10.1088/1742-6596/262/1/012053 　

ISSN： 1742-6588

Helium ion irradiation effects in ODS and non-ODS ferritic steels

Ryuta Kasada, Hiromasa Takahashi, Kentaro Yutani, Hirotatsu Kishimoto, Akihiko Kimura

Green Energy and Technology　66　300-305　2011

DOI： 10.1007/978-4-431-53910-0_40 　

ISSN： 1865-3529 1865-3537

Specimen size effects on fracture toughness of F82H steel for fusion blanket structural material

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura, Hiroyasu Tanigawa

Green Energy and Technology　66　286-291　2011

DOI： 10.1007/978-4-431-53910-0_38 　

ISSN： 1865-3529 1865-3537

Tensile behavior of transient liquid phase bonded ODS ferritic steel joint

Sanghoon Noh, Ryuta Kasada, Akihiko Kimura

Green Energy and Technology　66　292-299　2011

DOI： 10.1007/978-4-431-53910-0_39 　

ISSN： 1865-3529 1865-3537

Recent progress of tungsten R&amp;D for fusion application in Japan

Y. Ueda, H. T. Lee, N. Ohno, S. Kajita, A. Kimura, R. Kasada, T. Nagasaka, Y. Hatano, A. Hasegawa, H. Kurishita, Y. Oya

Physica Scripta T　T145　2011

DOI： 10.1088/0031-8949/2011/T145/014029 　

ISSN： 0281-1847

Evaluation of microstructure and mechanical properties of liquid phase diffusion bonded ODS steels

Sanghoon Noh, Ryuta Kasada, Naoko Oono, Noriyuki Iwata, Akihiko Kimura

FUSION ENGINEERING AND DESIGN　85　(7-9)　1033-1037　2010/12

DOI： 10.1016/j.fusengdes.2010.01.001 　

ISSN： 0920-3796

Effects of stress on radiation hardening and microstructural evolution in A533B steel

K. Fujii, K. Fukuya, R. Kasada, A. Kimura, T. Ohkubo

JOURNAL OF NUCLEAR MATERIALS　407　(3)　151-156　2010/12

DOI： 10.1016/j.jnucmat.2010.09.055 　

ISSN： 0022-3115

Corrosion behaviour of 16%Cr-4%Al and 16%Cr ODS ferritic steels under different metallurgical conditions in a supercritical water environment

J. Isselin, R. Kasada, A. Kimura

CORROSION SCIENCE　52　(10)　3266-3270　2010/10

DOI： 10.1016/j.corsci.2010.05.043 　

ISSN： 0010-938X

Evaluation of fracture toughness of F82H steels added with phosphorus by small specimen test technique

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura, Hiroyasu Tanigawa

International Congress on Advances in Nuclear Power Plants 2010, ICAPP 2010　3　2001-2007　2010/09/08

Microstructure and mechanical properties of solid state diffusion bonded ODS ferritic steels

Sanghoon Noh, Ryuta Kasada, Akihiko Kimura

International Congress on Advances in Nuclear Power Plants 2010, ICAPP 2010　3　2008-2012　2010/09/07

Study on improvement of heat load characteristic of tungsten coated F82H ferritic/martensitic steel

Reports of Research Institute for Applied Mechanics,Kyushu University　(139)　153-157　2010/09

DOI： 10.15017/27101 　

ISSN： 1345-5664

Effects of Zr Addition on the Microstructure of 14% Cr4% Al ODS Ferritic Steels

Jerome Isselin, Ryuta Kasada, Akihiko Kimura, Takanari Okuda, Masaki Inoue, Shigeharu Ukai, Somei Ohnuki, Toshiharu Fujisawa, Fujio Abe

MATERIALS TRANSACTIONS　51　(5)　1011-1015　2010/05

DOI： 10.2320/matertrans.MBW200923 　

ISSN： 1345-9678

eISSN： 1347-5320

Discussion on Mechanism of Stress Corrosion Cracking Resistance of Low-Sigma CSL Grain Boundary

Wang Yun, Matsui Hideki, Kimura Akihiko, Kasahara Shigeki, Kaneda Junya, Shigenaka Naoto, Hasegawa Akiko, Kondo Sosuke, Hashitomi Okinori, Ohno Naoko, Kasada Ryuta

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2010　(0)　610-610　2010

DOI： 10.11561/aesj.2010f.0.610.0 　

Effects of Ion-irradiation on Zr-hydrides:(1) hardness change

Higuchi Toru, Sakamoto Kan, Nakatsuka Masafumi, Kimura Akihiko, Matsui Hideki, Kasada Ryuta, Kondo Sosuke, Oono naoko, hashitomi Okinobu

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2010　(0)　397-397　2010

DOI： 10.11561/aesj.2010s.0.397.0 　

Effects of Ion-irradiation on Zr-hydrides:(2) microstructure evolution

OONO Naoko, SAKAMOTO Kan, HIGUCHI Toru, KASADA Ryuta, HASEGAWA Akiko, KONDO Sosuke, HASHITOMI Okinobu, IWATA Noriyuki, MATSUI Hideki, KIMURA Akihiko, NAKATSUKA Masahumi

Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan　2010　(0)　398-398　2010

DOI： 10.11561/aesj.2010s.0.398.0 　

Positron annihilation in ODS ferritic alloys Peer-reviewed

R. Kasada, K. Sato, Q. Xu, S. Noh, T. Yoshiie, A. Kimura

The Nuclear Materials 2010 (NuMat 2010), ZKM, Karlsruhe, Germany, 2010.10.4-7　2010

Effects of thermal aging on mechanical properties of Fe-Cr ferritic alloys

R. Kasada, Y. Sakamoto, K. Yabuuchi, A. Kimura, K. Sato, Q. Xu, T. Yoshiie

KUR Progress report　2010　0-0　2010

Irradiation-induced hardening and embrittlement of high-Cr ODS ferritic steels

J. H. Lee, R. Kasada, H. S. Cho, A. Kimura

ASTM Special Technical Publication　1513 STP　164-175　2010/01/01

ISSN： 0066-0558

Neutron Irradiation Hardening of Fe-Based Binary Alloys

Kiyohiro Yabuuchi, Masashi Saito, Ryuta Kasada, Akihiko Kimura

PRICM 7, PTS 1-3　654-656　2911-+　2010

DOI： 10.4028/www.scientific.net/MSF.654-656.2911 　

ISSN： 0255-5476

Microstructural Evaluation of Dy-Ni-Al Grain-Boundary-Diffusion (GBD) Treatment on Sintered Nd-Fe-B Magnet

Naoko Oono, Masato Sagawa, Ryuta Kasada, Hideki Matsui, Akihiko Kimura

PRICM 7, PTS 1-3　654-656　2919-+　2010

DOI： 10.4028/www.scientific.net/MSF.654-656.2919 　

ISSN： 0255-5476

Effects of Chemical Composition on the Impact Properties of A533B Steels

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura

PRICM 7, PTS 1-3　654-656　2895-2898　2010

DOI： 10.4028/www.scientific.net/MSF.654-656.2895 　

ISSN： 0255-5476

Microstructure and Tensile Properties of ODS Ferritic Steels Produced by Mechanical Alloying in Argon and Hydrogen Gas Environments

Noriyuki Y. Iwata, Ryuta Kasada, Akihiko Kimura, Takanari Okuda, Masaki Inoue, Fujio Abe, Shigeharu Ukai, Somei Ohnuki, Toshiharu Fujisawa

PRICM 7, PTS 1-3　654-656　166-+　2010

DOI： 10.4028/www.scientific.net/MSF.654-656.166 　

ISSN： 0255-5476

Superior Radiation Resistance of ODS Ferritic Steels

Ryuta Kasada, Hiromasa Takahashi, Hirotatsu Kishimoto, Kentaro Yutani, Akihiko Kimura

PRICM 7, PTS 1-3　654-656　2791-+　2010

DOI： 10.4028/www.scientific.net/MSF.654-656.2791 　

ISSN： 0255-5476

Joining of ODS steels and Tungsten for Fusion Applications

Sanghoon Noh, Ryuta Kasada, Naoko Oono, Takuya Nagasaka, Akihiko Kimura

PRICM 7, PTS 1-3　654-656　2891-+　2010

DOI： 10.4028/www.scientific.net/MSF.654-656.2891 　

ISSN： 0255-5476

Evaluation of Irradiation Hardening of Fe-Ion Irradiated F82H by Nano-Indentation Techniques

Yoshiyuki Takayama, Ryuta Kasada, Kiyohiro Yabuuchi, Akihiko Kimura, Dai Hamaguchi, Masami Ando, Hiroyasu Tanigawa

PRICM 7, PTS 1-3　654-656　2915-+　2010

DOI： 10.4028/www.scientific.net/MSF.654-656.2915 　

ISSN： 0255-5476

Development of Small Specimen Technique to Evaluate Ductile-Brittle Transition Behavior of a Welded Reactor Pressure Vessel Steel

Byung Jun Kim, Ryuta Kasada, Akihiko Kimura

Green Energy and Technology　44　306-309　2010

DOI： 10.1007/978-4-431-99779-5_48 　

ISSN： 1865-3529 1865-3537

Relationship Between Microstructure and Mechanical Property of Transient Liquid Phase Bonded ODS Steel

Sanghoon Noh, Ryuta Kasada, Akihiko Kimura

Green Energy and Technology　44　339-345　2010

DOI： 10.1007/978-4-431-99779-5_55 　

ISSN： 1865-3529 1865-3537

Compatibility of materials for advanced blanket with liquid LiPb

C. Park, K. Noborio, R. Kasada, Y. Yamamoto, G. Nam, S. Konishi

Proceedings - Symposium on Fusion Engineering　2009/11/10

DOI： 10.1109/FUSION.2009.5226459 　

施設共用によるエネルギー材料のイノベーション創出に向けた取り組み

大野 直子, 檜木 達也, 笠田 竜太, 近藤 創介, 松井 秀樹, 木村 晃彦

まてりあ : 日本金属学会会報　48　(10)　522-522　2009/10/01

DOI： 10.2320/materia.48.522 　

ISSN： 1340-2625

Irradiation-induced hardening and embrittlement of high-Cr ODS ferritic steels

J. H. Lee, R. Kasada, H. S. Cho, A. Kimura

Journal of ASTM International　6　(8)　2009/09

DOI： 10.1520/JAI101952 　

ISSN： 1546-962X

THERMOPHYSICAL PROPERTIES AND MICROSTRUCTURE OF PLASMA-SPRAYED TUNGSTEN COATING ON LOW ACTIVATION MATERIALS

Takuya Nagasaka, Ryuta Kasada, Akihiko Kimura, Yoshio Ueda, Takeo Muroga

FUSION SCIENCE AND TECHNOLOGY　56　(2)　1053-1057　2009/08

ISSN： 1536-1055

Statistical evaluation of anisotropic fracture behavior of ODS ferritic steels by using small punch tests

Naoyuki Okuda, Ryuta Kasada, Akihiko Kimura

JOURNAL OF NUCLEAR MATERIALS　386-88　974-978　2009/04

DOI： 10.1016/j.jnucmat.2008.12.265 　

ISSN： 0022-3115

Fusion materials development program in the broader approach activities

T. Nishitani, H. Tanigawa, S. Jitsukawa, T. Nozawa, K. Hayashi, T. Yamanishi, K. Tsuchiya, A. Moeslang, N. Baluc, A. Pizzuto, E. R. Hodgson, R. Laesser, M. Gasparotto, A. Kohyama, R. Kasada, T. Shikama, H. Takatsu, M. Araki

JOURNAL OF NUCLEAR MATERIALS　386-88　405-410　2009/04

DOI： 10.1016/j.jnucmat.2008.12.146 　

ISSN： 0022-3115

eISSN： 1873-4820

Stability of Y-Ti complex oxides in Fe-16Cr-0.1Ti ODS ferritic steel before and after heavy-ion irradiation

H. Kishimoto, R. Kasada, O. Hashitomi, A. Kimura

JOURNAL OF NUCLEAR MATERIALS　386-88　533-536　2009/04

DOI： 10.1016/j.jnucmat.2008.12.169 　

ISSN： 0022-3115

Effects of helium on ductile-brittle transition behavior of reduced-activation ferritic steels after high-concentration helium implantation at high temperature

A. Hasegawa, M. Ejiri, S. Nogami, M. Ishiga, R. Kasada, A. Kimura, K. Abe, S. Jitsukawa

JOURNAL OF NUCLEAR MATERIALS　386-88　241-244　2009/04

DOI： 10.1016/j.jnucmat.2008.12.102 　

ISSN： 0022-3115

Super ODS steels R&amp;D for fuel cladding of next generation nuclear systems 8) ion irradiation effects at elevated temperatures

Hirotatsu Kishimoto, Ryuta Kasada, Akihiko Kimura, Masaki Inoue, Takanari Okuda, Fujio Abe, Somei Ohnuki, Toshiharu Fujisawa

International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009　3　2227-2234　2009/01/01

Super ODS steels R&amp;D for fuel cladding of next generation nuclear systems: 6) Corrosion Behavior in SCPW

J. H. Lee, A. Kimura, R. Kasada, N. Iwata, H. Kishimoto, C. H. Zhang, J. Isselin, P. Dou, N. Muthukumar, T. Okuda, M. Inoue, S. Ukai, S. Ohnuki, T. Fujisawa, T. F. Abe

International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009　3　2216-2221　2009/01/01

Super ODS steels R&amp;D for fuel cladding of next generation nuclear systems 5) mechanical properties and microstructure

R. Kasada, S. G. Lee, J. H. Lee, T. Omura, C. H. Zhang, P. Dou, J. Isselin, A. Kimura, M. Inoue, S. Ukai, S. Ohnuki, T. Fujisawa, T. Okuda, F. Abe

International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009　3　2211-2215　2009/01/01

Super ODS steels R&amp;D for fuel cladding of next generation nuclear systems 1) Introduction and alloy design

A. Kimura, R. Kasada, N. Iwata, H. Kishimoto, C. H. Zhang, J. Isselin, P. Dou, J. H. Lee, N. Muthukumar, T. Okuda, M. Inoue, S. Ukai, S. Ohnuki, T. Fujisawa, T. F. Abe

International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009　3　2187-2194　2009/01/01

Characterization of Mechanically Alloyed Powders for High-Cr Oxide Dispersion Strengthened Ferritic Steel

Noriyuki Y. Iwata, Ryuta Kasada, Akihiko Kimura, Takanari Okuda, Masaki Inoue, Fujio Abe, Shigeharu Ukai, Somei Ohnuki, Toshiharu Fujisawa

ISIJ INTERNATIONAL　49　(12)　1914-1919　2009

DOI： 10.2355/isijinternational.49.1914 　

ISSN： 0915-1559

Technical issues of reduced activation ferritic/martensitic steels for fabrication of ITER test blanket modules

H. Tanigawa, T. Hirose, K. Shiba, B. R. Kasada, E. Wakaia, H. Serizawa, Y. Kawahito, S. Jitsukawa, A. Kimura, Y. Kohno, A. Kohyama, S. Katayama, H. Mori, K. Nishimoto, R. L. Klueh, M. A. Sokolov, R. E. Stoller, S. J. Zinkle

FUSION ENGINEERING AND DESIGN　83　(10-12)　1471-1476　2008/12

DOI： 10.1016/j.fusengdes.2008.07.024 　

ISSN： 0920-3796

Super ODS steels R&amp;D for cladding of highly efficient nuclear plants

Akihiko Kimura, Hangsik Cho, Naoki Toda, Ryuta Kasada, Hirotatsu Kishimoto, Noriyuki Iwata, Shigeharu Ukai, Satoshi Ohtsuka, Masayuki Fujiwara

Societe Francaise d'Energie Nucleaire - International Congress on Advances in Nuclear Power Plants - ICAPP 2007, "The Nuclear Renaissance at Work"　4　2148-2154　2008/09/26

High-Cr ODS steels R&D for high burn-up fuel cladding Peer-reviewed

A. Kimura, H.S. Cho, N. Toda, R. Kasada, K. Yutani, H. Kishimoto, N.Y. Iwata, S. Ukai, M. Fujiwara

Proceedings of the International Workshop on Structural Materials for Innovative Nuclear Systems (SMINS), Karlsruhe, Germany　103-114　2008/07

DOI： 10.1787/9789264048072-en 　

Effects of MA atmosphere on positron annihilation properties of ODS alloys

R. Kasada, S.H. Noh, J.H. Lee, A. Kimura, Q. Xu, T.Yoshiie

KUR Progress report　2008　0-0　2008

Irradiation hardening and microstructure evolution of ion-irradiated ODS ferritic steels

Kentaro Yutani, Ryuta Kasada, Hirotatsu Kishimoto, Akihiko Kimura

ASTM Special Technical Publication　1492 STP　149-156　2008/01/01

ISSN： 0066-0558

Effects of neutron irradiation and thermal aging on mechanical properties of ODS ferritic steels for advanced nuclear systems

Ryuta Kasada, Hang Sik Cho, Naoyuki Okuda, Akihiko Kimura

Materials Science Forum　561-565　1773-1776　2007/12/01

ISSN： 0255-5476

Impact of N-isotope composition control of ferritic steel on classification of radioactive materials from fusion reactor

T. Hayashi, R. Kasada, K. Tobita, S. Nishio, T. Sawai, H. Tanigawa, S. Jitsukawa

FUSION ENGINEERING AND DESIGN　82　(15-24)　2850-2855　2007/10

DOI： 10.1016/j.fusengdes.2007.01.007 　

ISSN： 0920-3796

Recent progress in US-Japan collaborative research on ferritic steels R&D

Akihiko Kimura, Ryuta Kasada, Akira Kohyama, Hiroyasu Tanigawa, Takanori Hirose, Kiyoyuki Shiba, Shiro Jitsukawa, Satoshi Ohtsuka, Shigeharu Ukai, M. A. Sokolov, R. L. Klueh, Takuya Yamamoto, G. R. Odette

JOURNAL OF NUCLEAR MATERIALS　367　60-67　2007/08

DOI： 10.1016/j.jnucmat.2007.03.013 　

ISSN： 0022-3115

Pre- and post-deformation microstructures of oxide dispersion strengthened ferritic steels

R. Kasada, N. Toda, K. Yutani, H. S. Cho, H. Kishimoto, A. Kimura

JOURNAL OF NUCLEAR MATERIALS　367　222-228　2007/08

DOI： 10.1016/j.jnucmat.2007.03.141 　

ISSN： 0022-3115

Effects of neutron irradiation on the tensile properties of high-Cr oxide dispersion strengthened ferritic steels

H. S. Cho, R. Kasada, A. Kimura

JOURNAL OF NUCLEAR MATERIALS　367　239-243　2007/08

DOI： 10.1016/j.jnuemat.2007.03.140 　

ISSN： 0022-3115

Evaluation of Helium effects on swelling behavior of oxide dispersion strengthened ferritic steels under ion irradiation

K. Yutani, H. Kishimoto, R. Kasada, A. Kimura

JOURNAL OF NUCLEAR MATERIALS　367　423-427　2007/08

DOI： 10.1016/j.jnucmat.2007.03.016 　

ISSN： 0022-3115

Heavy-ion irradiation effects on the morphology of complex oxide particles in oxide dispersion strengthened ferritic steels

H. Kishimoto, K. Yutani, R. Kasada, O. Hashitomi, A. Kimura

JOURNAL OF NUCLEAR MATERIALS　367　179-184　2007/08

DOI： 10.1016/j.jnucmat.2007.03.149 　

ISSN： 0022-3115

Irradiation hardening and microstructure evolution of ion-irradiated ODS ferritic steels Peer-reviewed

Kentaro Yutani, Ryuta Kasada, Hirotatsu Kishimoto, Akihiko Kimura

Journal of ASTM International　4　(7)　2007/07

DOI： 10.1520/JAI100701 　

ISSN： 1546-962X

Irradiation hardening and microstructure evolution of ion-irradiated ODS ferritic steels

Kentaro Yutani, Ryuta Kasada, Hirotatsu Kishimoto, Akihiko Kimura

Journal of ASTM International　4　2007/07/01

DOI： 10.1520/JAI100701 　

High burnup fuel cladding materials R&D for advanced nuclear systems - Nano-sized oxide dispersion strengthening steels

Akihiko Kimura, Han-Sik Cho, Naoki Toda, Ryuta Kasada, Kentaro Yutani, Hirotatsu Kishimoto, Noriyuki Iwata, Shigeharu Ukai, Masayuki Fujiwara

JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY　44　(3)　323-328　2007/03

DOI： 10.1080/18811248.2007.9711289 　

ISSN： 0022-3131

eISSN： 1881-1248

Fuel cladding materials R&amp;D for high burn-up operation of advanced nuclear energy systems

Akihiko Kimura, Hangsik Cho, Naoki Toda, Ryuta Kasada, Hirotatsu Kishimoto, Noriyuki Iwata, Shigeharu Ukai, Satoshi Ohtsuka, Masayuki Fujiwara

Proceedings of the 2006 International Congress on Advances in Nuclear Power Plants, ICAPP'06　2006　2229-2237　2006/12/01

Helium cavity formation research on oxide dispersed strengthening (ODS) ferritic steels utilizing dual-ion irradiation facility

H Kishimoto, K Yutani, R Kasada, A Kimura

FUSION ENGINEERING AND DESIGN　81　(8-14)　1045-1049　2006/02

DOI： 10.1016/j.fusengdes.2005.09.049 　

ISSN： 0920-3796

Small specimen test technique for evaluating fracture toughness of blanket structural materials

R Kasada, H Ono, A Kimura

FUSION ENGINEERING AND DESIGN　81　(8-14)　981-986　2006/02

DOI： 10.1016/j.fusengdes.2005.08.088 　

ISSN： 0920-3796

Ferritic steel-blanket systems integration R&D - Compatibility assessment

A Kimura, R Kasada, A Kohyama, S Konishi, M Enoeda, M Akiba, S Jitsukawa, S Ukai, Terai, I, A Sagara

FUSION ENGINEERING AND DESIGN　81　(8-14)　909-916　2006/02

DOI： 10.1016/j.fusengdes.2005.09.018 　

ISSN： 0920-3796

国際核融合材料照射施設（ＩＦＭＩＦ）の設計と開発の現状 ２．テストセル系の開発 Peer-reviewed

清水昭比古, 木村晃彦, 笠田竜太, 栗下裕明, 馬場護

プラズマ・核融合学会誌　82　(1)　7-15　2006/01/25

Effects of alloying elements on irradiation hardening of Fe-Mn model alloys Peer-reviewed

R. Kasada, K. Yabuuchi, A. Kimura, Q. Xu, T. Yoshiie

KURRI Progress Report　114-　2006

Effects of neutron dose, dose rate, and irradiation temperature on the irradiation embrittlement of a low-copper reactor pressure vessel steel

Ryuta Kasada, Takeshi Kudo, Akihiko Kimura, Hideki Matsui, Minoru Narui

ASTM Special Technical Publication　1475 STP　225-235　2006/01/01

ISSN： 0066-0558

Assessment of neutron irradiation-induced grain boundary embrittlement by phosphorous segregation in a reactor pressure vessel steel

Akihiko Kimura, Masaaki Shibata, Ryuta Kasada, Katsuhiko Fujii, Kohji Fukuya, Hayato Nakata

ASTM Special Technical Publication　1475 STP　212-224　2006/01/01

ISSN： 0066-0558

Grain boundary phosphorus segregation in thermally aged low alloy steels

Hayato Nakata, Katsuhiko Fujii, Koji Fukuya, Ryuta Kasada, Akihiko Kimura

Journal of Nuclear Science and Technology　43　(7)　785-793　2006

DOI： 10.3327/jnst.43.785 　

ISSN： 0022-3131

Grain boundary phosphorus segregation in thermally aged low alloy steels

Hayato Nakata, Katsuhiko Fujii, Koji Fukuya, Ryuta Kasada, Akihiko Kimura

Journal of Nuclear Science and Technology　43　(7)　785-793　2006

DOI： 10.3327/jnst.43.785 　

ISSN： 0022-3131

Fuel cladding materials R&amp;D for high burn-up operation of advanced water-cooling nuclear energy systems

Akihiko Kimura, Hangsik Cho, Naoki Toda, Ryuta Kasada, Hirotatsu Kishimoto, Noriyuki Iwata, Shigeharu Ukai, Masayuki Fujiwara

Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05　3　1737-1745　2005/12/01

Tensile deformation behavior of oxide-dispersion strengthened ferritic steels

R. Kasada, N. Toda, H. S. Cho, A. Kimura

Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05　3　1703-1711　2005/12/01

Microstructural evolution by heavy damage accumulation on high chromium oxide dispersion strengthening (ODS) ferritic steels

H. Kishimoto, K. Yutani, R. Kasada, R. Kasada, A. Kimura, A. Kimura

Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05　4　2432-2439　2005/12/01

Recent progress in fuel cladding materials R&D for high burn-up operation of advanced water-cooling nuclear energy systems

A. Kimura, H. Cho, N. Toda, R. Kasada, H. Kishimoto, N. Iwata, S. Ukai, M. Fujiwara

Proceedings of the 2005 Water Reactor Fuel Performance Meeting (WRFPM 2005), Kyoto, Japan　170-177　2005/10

Effects of neutron dose, dose rate, and irradiation temperature on the irradiation embrittlement of a low-copper reactor pressure vessel steel

Ryuta Kasada, Takeshi Kudo, Akihiko Kimura, Hideki Matsui, Minoru Narui

Journal of ASTM International　2　(3)　213-223　2005/03/01

Effects of nickel addition on microstructural evolution and mechanical properties of reduced activation martensitic steels irradiated in the ATR-A1

R Kasada, A Kimura

MATERIALS TRANSACTIONS　46　(3)　475-480　2005/03

DOI： 10.2320/matertrans.46.475 　

ISSN： 1345-9678

eISSN： 1347-5320

Assessment of neutron irradiation-induced grain boundary embrittlement by phosphorous segregation in a reactor pressure vessel steel

Akihiko Kimura, Masaaki Shibata, Ryuta Kasada, Katsuhiko Fujii, Kohji Fukuya, Hayato Nakata

Journal of ASTM International　2　(3)　199-211　2005/03

DOI： 10.1520/JAI12398 　

R &amp; D of oxide dispersion strengthening steels for high burn-up fuel claddings

A. Kimura, H. S. Cho, J. S. Lee, R. Kasada, S. Ukai, M. Fujiwara

Proceedings of the 2004 International Congress on Advances in Nuclear Power Plants, ICAPP'04　2070-2076　2004/12/01

Specimen size effects on fracture toughness of JLF-1 reduced-activation ferritic steel

H Ono, R Kasada, A Kimura

JOURNAL OF NUCLEAR MATERIALS　329　1117-1121　2004/08

DOI： 10.1016/j.jnucmat.2004.04.034 　

ISSN： 0022-3115

Microstructural characteristics and embrittlement phenomena in neutron irradiated 309L stainless steel RPV clad

JS Lee, IS Kim, R Kasada, A Kimura

JOURNAL OF NUCLEAR MATERIALS　326　(1)　38-46　2004/03

DOI： 10.1016/j.jnucmat.2003.11.005 　

ISSN： 0022-3115

Grain boundary phosphorous segregation and its influence on the ductile brittle transition temperature in reactor pressure vessel steels Peer-reviewed

A Kimura, M Shibata, R Kasada, H Nakata, K Fujii, K Fukuya

EFFECTS OF RADIATION ON MATERIALS: 21ST INTERNATIONAL SYMPOSIUM　1447　565-578　2004

ISSN： 1040-1695

Irradiation hardening and microstructural evolution in Fe-Cu model alloys Peer-reviewed

T Kitao, R Kasada, A Kimura, H Nakata, K Fukuya, H Matsui, M Narui

Effects of Radiation on Materials: 21st International Symposium　1447　365-375　2004

ISSN： 1040-1695

Irradiation hardening of Fe-based model alloys irradiated in the URRI-LINAC with temperature-controlling Equipments Peer-reviewed

R. Kasada, M. Saito, N. Toda, A. Kimura, T. Yoshiie

KURRI Progress Report　47-　2004

Grain boundary phosphorous segregation and its influence on the ductile brittle transition temperature in reactor pressure vessel steels

A. Kimura, M. Shibata, R. Kasada, H. Nakata, K. Fujii, K. Fukuya

ASTM Special Technical Publication　(1447)　565-578　2004/01/01

ISSN： 0066-0558

Irradiation hardening and microstructaral evolution in Fe-Cu model aloys

Takeshi Kitao, Ryuta Kasada, Akihiko Kimura, Hayato Nakata, Kouji Fukuya, Hideki Matsui, Minoru Narui

ASTM Special Technical Publication　(1447)　365-375　2004/01/01

ISSN： 0066-0558

Factors Controlling Irradiation Hardening of Iron-Copper Model Alloy

Takeshi Kudo, Ryuta Kasada, Akihiko Kimura, Kazuhiro Hono, Kouji Fukuya, Hideki Matsui

Materials Transactions　45　(2)　338-341　2004

DOI： 10.2320/matertrans.45.338 　

ISSN： 1345-9678

Influence of neutron irradiation on hardening and embrittlement phenomena in reactor pressure vessel cladding material

J. S. Lee, I. S. Kim, R. Kasada, A. Kimura

Materials Science Forum　426-432　4477-4482　2003/07/21

ISSN： 0255-5476

高効率・環境調和型超高温ガス冷却高速炉 Peer-reviewed

香山晃, 朴峻秀, 野澤貴史, 原田敏夫, 石川敏弘, 田中吉積, 佐藤光彦, 宮本典史, 伊藤正彦, 鵜飼重治, 水野朋保, 功刀資彰, 佐竹信一, 横峰健彦, 木村晃彦, 森下和功, 神保光一, 笠田竜太

炉心構造体の先進材料システム開発，成果報告書，2003　2003

HFIR照射した低放射化フェライト鋼・ODS鋼の強度特性 Peer-reviewed

笠田竜太, 木村晃彦, 鵜飼重治, R.L. Klueh, S.J. Zinkle

日本原子力学会2003年春の年会，2003　2003

Development of the electron-irradiation system with temperature-controlling equipments for the KURRI-LINAC Peer-reviewed

R. Kasada, T. Kudo, M. Salto, N. Toda, A. Kimura, T. Yoshiie

KURRI Progress Report　79-　2003

Mechanical properties of JLF-1 reduced-activation ferritic steels

Kasada, R., Ono, H., Sakasegawa, H., Hirose, T., Kimura, A., Kohyama, A.

Fusion Science and Technology　44　(1)　145-149　2003

DOI： 10.13182/FST03-A324 　

ISSN： 1536-1055

High resistance to helium embrittlement in reduced activation martensitic steels

A Kimura, R Kasada, K Morishita, R Sugano, A Hasegawa, K Abe, T Yamamoto, H Matsui, N Yoshida, BD Wirth, TD Rubia

JOURNAL OF NUCLEAR MATERIALS　307　521-526　2002/12

DOI： 10.1016/S0022-3115(02)01211-4 　

ISSN： 0022-3115

Effect of helium implantation on mechanical properties and microstructure evolution of reduced-activation 9Cr-2W martensitic steel

R Kasada, T Morimura, A Hasegawa, A Kimura

JOURNAL OF NUCLEAR MATERIALS　299　(1)　83-89　2001/10

DOI： 10.1016/S0022-3115(01)00660-2 　

ISSN： 0022-3115

Relation between resistivity and mechanical properties in heat affected zone of welded pressure vessel steel Peer-reviewed

R Kasada, T Suzuki, K Itoh, Y Naruse, A Kimura

EFFECTS OF RADIATION ON MATERIALS: 20TH INTERNATIONAL SYMPOSIUM　1045　315-327　2001

ISSN： 1040-1695

Effects of copper concentration and neutron flux on irradiation hardening and microstructure evolution in Fe-Cu model alloys Peer-reviewed

R Kasada, T Kitao, K Morishita, H Matsui, A Kimura

EFFECTS OF RADIATION ON MATERIALS: 20TH INTERNATIONAL SYMPOSIUM　1045　237-246　2001

ISSN： 1040-1695

Dependence of susceptibility to IGSCC on the location in HAZ of welded SUS304L core shroud for BWR Peer-reviewed

K Isomura, A Kimura, R Kasada, K Itoh, H Yuya, Y Naruse

PRICM 4: FORTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, VOLS I AND II　1443-1446　2001

Effects of copper concentration and neutron flux on irradiation hardening and microstructure evolution in Fe-Cu model alloys

Ryuta Kasada, Takeshi Kitao, Kazunori Morishita, Hideki Matsui, Akihiko Kimura

Institution of Chemical Engineers Symposium Series　(148)　237-246　2000/12/01

ISSN： 0307-0492

Relation between resistivity and mechanical properties in heat affected zone of welded pressure vessel steel

Ryuta Kasada, Tetsuya Suzuki, Keisuke Itoh, Yoshinobu Naruse, Akihiko Kimura

Institution of Chemical Engineers Symposium Series　(148)　315-327　2000/12/01

ISSN： 0307-0492

Evaluation of ductile-brittle transition behavior of helium-implanted reduced activation 9Cr-2W martensitic steel by small punch tests

Akihiko Kimura, Taro Morimura, Ryuta Kasada, Hideki Matsui, Akira Hasegawa, Katsunori Abe

ASTM Special Technical Publication　(1366)　626-641　2000/12/01

ISSN： 1040-3094

Two-step recovery process of irradiation hardening in 1%Ni doped 9%Cr-2%W martensitic steel

Ryuta Kasada, Taro Morimura, Hideki Matsui, Minoru Narui, Akihiko Kimura

ASTM Special Technical Publication　(1366)　448-459　2000/12/01

ISSN： 1040-3094

Modeling of microstructure evolution and mechanical property change of reduced-activation martensitic steel during varying-temperature irradiation

R Kasada, A Kimura

JOURNAL OF NUCLEAR MATERIALS　283　188-192　2000/12

DOI： 10.1016/S0022-3115(00)00306-8 　

ISSN： 0022-3115

Annealing behavior of irradiation hardening and microstructure in helium-implanted reduced activation martensitic steel

A Kimura, R Kasada, R Sugano, A Hasegawa, H Matsui

JOURNAL OF NUCLEAR MATERIALS　283　827-831　2000/12

DOI： 10.1016/S0022-3115(00)00090-8 　

ISSN： 0022-3115

Two-step recovery process of irradiation hardening in 1%Ni doped 9%Cr-2%W martensitic steel Peer-reviewed

R Kasada, T Morimura, H Matsui, M Narui, A Kimura

EFFECTS OF RADIATION ON MATERIALS: 19TH INTERNATIONAL SYMPOSIUM　1366　448-459　2000

ISSN： 1040-1695

Evaluation of ductile-brittle transition behavior of helium-implanted reduced activation 9Cr-2W martensitic steel by small punch tests Peer-reviewed

A Kimura, T Morimura, R Kasada, H Matsui, A Hasegawa, K Abe

EFFECTS OF RADIATION ON MATERIALS: 19TH INTERNATIONAL SYMPOSIUM　1366　626-641　2000

ISSN： 1040-1695

Effects of varying temperature irradiation on the neutron irradiation hardening of reduced-activation 9Cr-2W martensitic steels

R Kasada, A Kimura, H Matsui, M Hasegawa, M Narui

JOURNAL OF NUCLEAR MATERIALS　271　360-364　1999/05

DOI： 10.1016/S0022-3115(98)00749-1 　

ISSN： 0022-3115

Enhancement of irradiation hardening by nickel addition in the reduced-activation 9Cr-2W martensitic steel

R. Kasada, A. Kimura, H. Matsui, M. Narui

Journal of Nuclear Materials　258-263　1199-1203　1998

DOI： 10.1016/S0022-3115(98)00186-X 　

ISSN： 0022-3115