Electron-Beam Powder Bed Fusion of High-Carbon Co–Cr–Mo Alloys for Industrial Applications International-journal International-coauthorship Peer-reviewed

Kenta Yamanaka, Shoya Aota, Manami Mori, Nobuyuki Sasaki, Jerome Adrien, Eric Maire, Damien Fabregue, Akihiko Chiba

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　72　S409-S414　2025/03/15

DOI： 10.2497/jjspm.15B-T6-08 　

ISSN： 0532-8799

Identification of Strengthening Factors in Hot-rolled Dual Phase PM Ti-Fe Alloys by a Machine Learning Approach International-coauthorship Peer-reviewed

Ayane HIRAKO, Shota KARIYA, Junko UMEDA, Kenta YAMANAKA, Xiaochun LI, Katsuyoshi KONDOH

Journal of the Japan Society of Powder and Powder Metallurgy　72　(3)　73-78　2025/03/15

DOI： 10.2497/jjspm.24-00057 　

ISSN： 0532-8799

eISSN： 1880-9014

Comparative evaluation of powder spreading strategies to enhance powder bed quality in powder bed fusion additive manufacturing: A DEM simulation study International-journal Peer-reviewed

Seungkyun Yim, Hao Wang, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Powder Technology　453　120614-120614　2025/03/15

DOI： 10.1016/j.powtec.2025.120614 　

ISSN： 0032-5910

eISSN： 1873-328X

Unveiling the influence of printing surfaces in powder bed fusion electron beam melting through multiphysics simulation International-journal Peer-reviewed

Seungkyun Yim, Tack Lee, Keiji Yanagihara, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　102　104738-104738　2025/03

DOI： 10.1016/j.addma.2025.104738 　

ISSN： 2214-8604

eISSN： 2214-8604

Comparative Study on the Microstructural Evolution and Performance of Cu-5Ag Wires during Cold-drawing from Powder Metallurgy and Cast States International-journal International-coauthorship Peer-reviewed

Yunhe Zhou, Xiaojuan Gong, Ping Zhang, Ning Tang, Kenta Yamanaka, Akihiko Chiba, Yunping Li

Materials Science and Engineering: A　929　148055-148055　2025/02

DOI： 10.1016/j.msea.2025.148055 　

ISSN： 0921-5093

Exploration of a new AlCoCrNiNb high-entropy alloy: in situ alloying of a CoCrMo, M247, and Nb powder mixture via laser powder bed fusion International-journal International-coauthorship Peer-reviewed

Meng Hsiu Tsai, Chia Ping Cheng, Ho Chung Fu, Akihiko Chiba, Kenta Yamanaka

Progress in Additive Manufacturing　10　(2)　1315-1324　2025/02

DOI： 10.1007/s40964-024-00708-8 　

ISSN： 2363-9512

eISSN： 2363-9520

Effects of Longitudinal External Magnetic Field on Metal Transfer Behavior and Spatter Formation in CO2 Arc Welding International-journal International-coauthorship Peer-reviewed

Dang Khoi Le, Shinichi Tashiro, Bin Xu, Anthony B. Murphy, Quang Ngoc Trinh, Van Hanh Bui, Toshifumi Yuji, Sarizam B. Mamat, Kenta Yamanaka, Manabu Tanaka, Lei Xiao

Materials　18　(3)　537-537　2025/01/24

DOI： 10.3390/ma18030537 　

eISSN： 1996-1944

Metallic Ion Release Behaviors from Cobalt–Chromium Alloys Fabricated by Additive Manufacturing with Mechanical Grinding in an Acidic Saline Solution International-journal Peer-reviewed

Naoto Sakurai, Tomofumi Sawada, Yukinori Kuwajima, Kenta Yamanaka, Naoyuki Nomura, Masaaki Kasahara, Akihiko Chiba, Kazuro Satoh, Shinji Takemoto

Materials　18　(2)　432-432　2025/01/17

DOI： 10.3390/ma18020432 　

eISSN： 1996-1944

Influence of bonding agents on metal-ceramic bond strengths for Co-Cr alloy International-journal Peer-reviewed

Tomofumi Sawada, Kenta Yamanaka, Akihiko Chiba, Shinji Takemoto

Dental Materials Journal　2025

DOI： 10.4012/dmj.2024-300 　

ISSN： 0287-4547

eISSN： 1881-1361

A novel two-step process for enhancing adhesion strength of cold-spray metallization of carbon fiber-reinforced plastics International-journal Peer-reviewed

Jiayu Sun, Kenta Yamanaka, Chrystelle Bernard, Yuchao Lei, Shaoyun Zhou, Hao Lin, Kazuhiro Ogawa, Akihiko Chiba

Materials & Design　249　113568-113568　2025/01

DOI： 10.1016/j.matdes.2024.113568 　

ISSN： 0264-1275

eISSN： 1873-4197

Sustainable alloy design: Fe-enhanced Ti alloys for superior mechanical performance in additive manufacturing International-journal International-coauthorship Peer-reviewed

Ammarueda Issariyapat, Jeff Huang, Shota Kariya, Biao Chen, Shufeng Li, Junko Umeda, Kenta Yamanaka, Akihiko Chiba, Katsuyoshi Kondoh

Journal of Alloys and Compounds　1010　177767-177767　2025/01

DOI： 10.1016/j.jallcom.2024.177767 　

ISSN： 0925-8388

Optimizing the microstructure, mechanical, and optical properties of recycled zirconia for dental applications International-journal Peer-reviewed

Hui Yang, Kenta Yamanaka, Hao Yu, Juan Ramón Vanegas Sáenz, Guang Hong

Ceramics International　50　(24)　52848-52860　2024/12/15

DOI： 10.1016/j.ceramint.2024.10.137 　

ISSN： 0272-8842

Investigation of Dynamic Balance Process to Obtain Fine Powder by Plasma Rotating Electrode Process (PREP) Method International-coauthorship Peer-reviewed

Hao Wang, Yujie Cui, Jianwen Yang, Takemi Chiba, Tadashi Fujieda, Kenta Yamanaka, Akihiko Chiba

Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy　71　(12)　668-674　2024/12/15

DOI： 10.2497/jjspm.24-00035 　

ISSN： 0532-8799

eISSN： 1880-9014

Multi-material additive manufacturing of steel/Al alloy by controlling the liquid/solid interface in laser beam powder bed fusion International-journal International-coauthorship Peer-reviewed

Yujie Cui, Jiaxiang Li, Seungkyun Yim, Kenta Yamanaka, Kenta Aoyagi, Hao Wang, Akihiko Chiba

Additive Manufacturing　96　104529-104529　2024/09

DOI： 10.1016/j.addma.2024.104529 　

eISSN： 2214-8604

Design and characterization of novel Ti-8Mo-xFe-yCu alloys as implant materials: Evaluation of biocompatibility, mechanical properties, and antibacterial potential International-journal International-coauthorship Peer-reviewed

Galih Senopati, Rizwan Abdul Rahman Rashid, Dian Juliadmi, Muhammad Eka Prastya, Manami Mori, Kenta Yamanaka, Ika Kartika, Suresh Palanisamy

Materials Science and Technology　2024/08/28

DOI： 10.1177/02670836241276288 　

ISSN： 0267-0836

eISSN： 1743-2847

Effect of boron microalloying on the microstructure, mechanical, and corrosion properties of as-cast biomedical Co–Cr–W–Ni-based alloys International-journal International-coauthorship Peer-reviewed

Muhammad Ilham Maulana, Adi Noer Syahid, Bunga Rani Elvira, Aprilia Erryani, Yudi Nugraha Thaha, Fendy Rokhmanto, Manami Mori, Kenta Yamanaka, Akhmad Ardian Korda, Ika Kartika, Albertus Deny Heri Setyawan

Journal of Materials Research　39　(16)　2272-2285　2024/08/28

DOI： 10.1557/s43578-024-01384-8 　

ISSN： 0884-2914

eISSN： 2044-5326

Role of gravity magnitude on flowability and powder spreading in the powder bed fusion additive manufacturing process: Towards additive manufacturing in space International-journal Peer-reviewed

Seungkyun Yim, Hao Wang, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　94　104441-104441　2024/08/25

DOI： 10.1016/j.addma.2024.104441 　

ISSN： 2214-8604

eISSN： 2214-8604

Neutron diffraction analysis of microstructural evolution and mechanical behavior in an additively manufactured multiphase alloy International-journal Peer-reviewed

K Yamanaka, M Mori, Y Onuki, S Sato

IOP Conference Series: Materials Science and Engineering　1310　(1)　012035-012035　2024/08/01

DOI： 10.1088/1757-899x/1310/1/012035 　

ISSN： 1757-8981

eISSN： 1757-899X

Nanoscale Al precipitation in the Si phase in AlSi10Mg alloy during electron beam powder bed fusion International-journal Peer-reviewed

Kenta Ishigami, Kenta Yamanaka, Kenta Aoyagi, Huakang Bian, Yoshiki Hashizume, Akiei Tanaka, Akihiko Chiba

Additive Manufacturing Letters　10　100213-100213　2024/07

DOI： 10.1016/j.addlet.2024.100213 　

ISSN： 2772-3690

eISSN： 2772-3690

Suzuki segregation behavior and mechanism in a Co–Cr–Fe–Ni–Mo high-entropy alloy International-journal International-coauthorship Peer-reviewed

Jiaxiang Li, Kenta Yamanaka, Junhua Hu, Akihiko Chiba

Materials Today Physics　45　101468-101468　2024/06

DOI： 10.1016/j.mtphys.2024.101468 　

ISSN： 2542-5293

eISSN： 2542-5293

Reaching unconventionally large Hall-Petch coefficients in face-centered cubic high-entropy alloys International-journal International-coauthorship Peer-reviewed

Jiaxiang Li, Kenta Yamanaka, Yongjie Zhang, Tadashi Furuhara, Guoqin Cao, Junhua Hu, Akihiko Chiba

Materials Research Letters　12　(6)　399-407　2024/04/07

DOI： 10.1080/21663831.2024.2337211 　

eISSN： 2166-3831

Novel tensile deformation mode in laser powder bed fusion prepared Ti–O alloy International-journal International-coauthorship Peer-reviewed

Shota Kariya, Ammarueda Issariyapat, Abdollah Bahador, Junko Umeda, Jianghua Shen, Kenta Yamanaka, Akihiko Chiba, Katsuyoshi Kondoh

Materials Science and Engineering: A　892　146057-146057　2024/02

DOI： 10.1016/j.msea.2023.146057 　

ISSN： 0921-5093

Effect of matrix dislocation strengthening on deformation-induced martensitic transformation behavior of metastable high-entropy alloys International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Daishin Yokosuka, Kazuo Yoshida, Yusuke Onuki, Shigeo Sato, Akihiko Chiba

Materials Research Letters　12　(1)　1-9　2024/01/02

DOI： 10.1080/21663831.2023.2281593 　

eISSN： 2166-3831

Hot Deformation Behavior and Microstructure of Cast Ni-Based Superalloy IN-100 Based on the Processing Map

Yusaku Hasebe, Takehito Hagisawa, Cheng Yang, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science　54　(11)　4456-4471　2023/11

DOI： 10.1007/s11661-023-07178-7 　

ISSN： 1073-5623

Cracking behavior of Ti-48Al-2Cr-2Nb alloy in powder bed fusion electron beam melting process International-journal Peer-reviewed

Seungkyun Yim, Kenta Aoyagi, Huakang Bian, Keiji Yanagihara, Yuchao Lei, Shin ichi Kitamura, Hironobu Manabe, Yohei Daino, Kenta Yamanaka, Akihiko Chiba

Journal of Materials Processing Technology　320　118104-118104　2023/11

DOI： 10.1016/j.jmatprotec.2023.118104 　

ISSN： 0924-0136

In-situ observation of powder spreading in powder bed fusion metal additive manufacturing process using particle image velocimetry International-journal Peer-reviewed

Seungkyun Yim, Jiayu Sun, Koki Minowa, Hao Wang, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　78　103823　2023/09/25

DOI： 10.1016/j.addma.2023.103823 　

eISSN： 2214-8604

Processing condition dependency of increased layer thickness on surface quality during electron beam powder bed fusion International-journal International-coauthorship Peer-reviewed

Yufan Zhao, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Journal of Materials Research and Technology　26　5264-5279　2023/09/01

DOI： 10.1016/j.jmrt.2023.08.288 　

ISSN： 2238-7854

Effect of O addition on microstructure and mechanical properties of Ti-Nb alloys with various β stability International-journal International-coauthorship Peer-reviewed

Qiang Li, Yan Liu, Huanhuan Yu, Masaaki Nakai, Mitsuo Niinomi, Kenta Yamanaka, Akihiko Chiba, Takuya Ishimoto, Takayoshi Nakano

Vacuum　215　112311-112311　2023/09

DOI： 10.1016/j.vacuum.2023.112311 　

ISSN： 0042-207X

Effect of powder morphology on flowability and spreading behavior in powder bed fusion additive manufacturing process: A particle-scale modeling study International-journal Peer-reviewed

Seungkyun Yim, Huakang Bian, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　72　103612-103612　2023/06/25

DOI： 10.1016/j.addma.2023.103612 　

eISSN： 2214-8604

Corrosion behavior of a Co−Cr−Mo−Si alloy in pure Al and Al−Si melt International-journal International-coauthorship Peer-reviewed

Kenta Yamanaka, Manami Mori, Kazuo Yoshida, Phacharaphon Tunthawiroon, Akihiko Chiba

High Temperature Materials and Processes　42　(1)　20220278-20220278　2023/06

DOI： 10.1515/htmp-2022-0278 　

ISSN： 2191-0324

Multiscale heat transfer affected by powder characteristics during electron beam powder-bed fusion International-journal International-coauthorship Peer-reviewed

Yufan Zhao, Kenta Aoyagi, Yujie Cui, Kenta Yamanaka, Akihiko Chiba

Powder Technology　421　118438-118438　2023/05/01

DOI： 10.1016/j.powtec.2023.118438 　

ISSN： 0032-5910

eISSN： 1873-328X

Suzuki hardening and segregation in Co0.95Cr0.8Fe0.25Ni1.8Mo0.475 high-entropy alloys International-journal Peer-reviewed

Jiaxiang Li, Kenta Yamanaka, Yuichiro Hayasaka, Akihiko Chiba

Scripta Materialia　226　115260-115260　2023/03

DOI： 10.1016/j.scriptamat.2022.115260 　

ISSN： 1359-6462

Competition between solid solution and multi-component Laves phase in a dual-phase refractory high-entropy alloy CrHfNbTaTi International-journal Peer-reviewed

Cheng Yang, Huakang Bian, Fan Zhang, Yujie Cui, Yuchao Lei, Yuichiro Hayasaka, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Materials and Design　226　111646-111646　2023/02

DOI： 10.1016/j.matdes.2023.111646 　

ISSN： 0264-1275

eISSN： 1873-4197

Demonstrating duplex TRIP/TWIP titanium alloys by introducing metastable retained β-phase International-journal International-coauthorship Peer-reviewed

Kenta Yamanaka, Karri Sri Naga Sesha, Manami Mori, Yusuke Onuki, Shigeo Sato, Damien Fabrègue, Akihiko Chiba

28th IFHTSE 2023 Congress　2023

Dislocation Density of Electron Beam Powder Bed Fusion Ti–6Al–4V Alloys Determined via Time-Of-Flight Neutron Diffraction Line-Profile Analysis International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Yusuke Onuki, Shigeo Sato, Akihiko Chiba

Metals　13　(1)　86-86　2022/12/30

DOI： 10.3390/met13010086 　

eISSN： 2075-4701

Analysis of hierarchical microstructural evolution in electron beam powder bed fusion Ti–6Al–4V alloys via time-of-flight neutron diffraction International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Yusuke Onuki, Shigeo Sato, Akihiko Chiba

Additive Manufacturing Letters　3　100053-100053　2022/12

DOI： 10.1016/j.addlet.2022.100053 　

ISSN： 2772-3690

eISSN： 2772-3690

Demonstrating a duplex TRIP/TWIP titanium alloy via the introduction of metastable retained β-phase International-journal International-coauthorship Peer-reviewed

Karri Sri Naga Sesha, Kenta Yamanaka, Manami Mori, Yusuke Onuki, Shigeo Sato, Damien Fabrègue, Akihiko Chiba

Materials Research Letters　10　(11)　754-761　2022/11/02

DOI： 10.1080/21663831.2022.2096419 　

eISSN： 2166-3831

Solidification behavior and porosity in electron-beam powder bed fusion of Co–Cr–Mo alloys: Effect of carbon concentrations International-journal International-coauthorship Peer-reviewed

Shoya Aota, Kenta Yamanaka, Manami Mori, Nobuyuki Sasaki, Jérôme Adrien, Eric Maire, Damien Fabrègue, Akihiko Chiba

Additive Manufacturing　59　(Part A)　103134-103134　2022/09

DOI： 10.1016/j.addma.2022.103134 　

ISSN： 2214-8604

eISSN： 2214-8604

A survey on basic influencing factors of solidified grain morphology during electron beam melting International-journal International-coauthorship Peer-reviewed

Yufan Zhao, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Materials & Design　221　110927-110927　2022/09

DOI： 10.1016/j.matdes.2022.110927 　

ISSN： 0264-1275

eISSN： 1873-4197

The significance of thermomechanical processing on the cellular response of biomedical Co–Cr–Mo alloys International-journal International-coauthorship Peer-reviewed

Manami Mori, Ting Guo, Kenta Yamanaka, Zuyong Wang, Kazuo Yoshida, Yusuke Onuki, Shigeo Sato, Akihiko Chiba, R.D.K. Misra

Journal of the Mechanical Behavior of Biomedical Materials　133　105360-105360　2022/09

DOI： 10.1016/j.jmbbm.2022.105360 　

ISSN： 1751-6161

eISSN： 1878-0180

Dynamic recrystallization of Sn coatings on carbon-fiber-reinforced plastics during cold spray additive manufacturing International-journal Peer-reviewed

Jiayu Sun, Kenta Yamanaka, Shaoyun Zhou, Hiroki Saito, Yuji Ichikawa, Kazuhiro Ogawa, Akihiko Chiba

Additive Manufacturing　56　102949-102949　2022/08

DOI： 10.1016/j.addma.2022.102949 　

ISSN： 2214-8604

eISSN： 2214-8604

Non-equilibrium solidification behavior associated with powder characteristics during electron beam additive manufacturing International-journal Peer-reviewed

Yufan Zhao, Huakang Bian, Hao Wang, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Materials & Design　221　110915-110915　2022/07

DOI： 10.1016/j.matdes.2022.110915 　

ISSN： 0264-1275

eISSN： 1873-4197

Evidence for chromium, cobalt and molybdenum volatilisations during high temperature oxidation of Co-27Cr-6Mo alloy International-journal International-coauthorship Peer-reviewed

Patthranit Wongpromrat, Alain Galerie, Thammaporn Thublaor, Walairat Chandra-ambhorn, Phisan Ponpo, Pongpun Watasuntornpong, Kenta Yamanaka, Akihiko Chiba, Phacharaphon Tunthawiroon, Thamrongsin Siripongsakul, Somrerk Chandra-ambhorn, Natthawut Ruangtrakoon

Corrosion Science　202　110285-110285　2022/07/01

DOI： 10.1016/j.corsci.2022.110285 　

ISSN： 0010-938X

Microstructure evolution during T6 heat treatment in an additive manufactured AlSi10Mg alloy using powder bed fusion-electron beam Peer-reviewed

Kohei Yamakawa, Huakang Bian, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Keikinzoku/Journal of Japan Institute of Light Metals　72　(6)　321-326　2022/06/15

DOI： 10.2464/jilm.72.321 　

ISSN： 0451-5994

eISSN： 1880-8018

Novel Constitutive Equation for Predicting Dynamic Recrystallization During Hot Working Considering the Efficiency of Power Dissipation International-journal Peer-reviewed

Sosuke Korenaga, Masakazu Honda, Kenta Yamanaka, Akihiko Chiba

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science　53　(6)　2163-2173　2022/06

DOI： 10.1007/s11661-022-06658-6 　

ISSN： 1073-5623

eISSN： 1543-1940

Adhesion mechanism of cold-sprayed Sn coatings on carbon fiber reinforced plastics International-journal Peer-reviewed

Jiayu Sun, Kenta Yamanaka, Shaoyun Zhou, Hiroki Saito, Yuji Ichikawa, Kazuhiro Ogawa, Akihiko Chiba

Applied Surface Science　579　151873-151873　2022/03/30

DOI： 10.1016/j.apsusc.2021.151873 　

ISSN： 0169-4332

Microstructure, mechanical properties, and cytotoxicity of low Young’s modulus Ti–Nb–Fe–Sn alloys International-journal International-coauthorship Peer-reviewed

Qiang Li, Tengfei Liu, Junjie Li, Chao Cheng, Mitsuo Niinomi, Kenta Yamanaka, Akihiko Chiba, Takayoshi Nakano

Journal of Materials Science　57　(9)　5634-5644　2022/03

DOI： 10.1007/s10853-022-06984-5 　

ISSN： 0022-2461

eISSN： 1573-4803

Ball-milling treatment of gas-atomized Ti–48Al–2Cr–2Nb powder and its effect on preventing smoking during electron beam powder bed fusion building process International-journal Peer-reviewed

Seungkyun Yim, Huakang Bian, Kenta Aoyagi, Keiji Yanagihara, Shin ichi Kitamura, Hironobu Manabe, Yohei Daino, Yuichiro Hayasaka, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　51　102634-102634　2022/03

DOI： 10.1016/j.addma.2022.102634 　

ISSN： 2214-8604

eISSN： 2214-8604

Superior hardness–corrosion-resistance combination in a Co-, Cu-modified Ni–Cr–Mo alloy via multiple nanoscale segregation mechanisms International-journal Peer-reviewed

Haruka Shima, Manami Mori, Kenta Yamanaka, Kazuo Yoshida, Toshihiro Yamazaki, Akihiko Chiba

Scripta Materialia　209　114389-114389　2022/03/01

DOI： 10.1016/j.scriptamat.2021.114389 　

ISSN： 1359-6462

Microstructure and mechanical properties of Ti–Nb–Fe–Zr alloys with high strength and low elastic modulus International-journal International-coauthorship Peer-reviewed

Qiang Li, Qi Huang, Jun-jie Li, Qian-feng He, Masaaki Nakai, Ke Zhang, Mitsuo Niinomi, Kenta Yamanaka, Akihiko Chiba, Takayoshi Nakano

Transactions of Nonferrous Metals Society of China　32　(2)　503-512　2022/02

DOI： 10.1016/s1003-6326(22)65811-4 　

ISSN： 1003-6326

eISSN： 2210-3384

Study on Hot Deformation Behavior of Beta Ti-17Mo Alloy for Biomedical Applications International-journal International-coauthorship Peer-reviewed

Saad Ebied, Atef Hamada, Mahmoud H.A. Gadelhaq, Kenta Yamanaka, Huakang Bian, Yujie Cui, Akihiko Chiba, Mohamed A.H. Gepreel

JOM　74　(2)　494-505　2022/02

DOI： 10.1007/s11837-021-05060-8 　

ISSN： 1047-4838

eISSN： 1543-1851

Significant lattice-distortion effect on compressive deformation in Mo-added CoCrFeNi-based high-entropy alloys International-journal Peer-reviewed

Jiaxiang Li, Kenta Yamanaka, Akihiko Chiba

Materials Science and Engineering A　830　142295-142295　2022/01/07

DOI： 10.1016/j.msea.2021.142295 　

ISSN： 0921-5093

Spreading behavior of Ti–48Al–2Cr–2Nb powders in powder bed fusion additive manufacturing process: Experimental and discrete element method study International-journal Peer-reviewed

Seungkyun Yim, Huakang Bian, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　49　102489-102489　2022/01

DOI： 10.1016/j.addma.2021.102489 　

ISSN： 2214-8604

eISSN： 2214-8604

Synergetic strengthening in HfMoNbTaTi refractory high-entropy alloy via disordered nanoscale phase and semicoherent refractory particle International-journal Peer-reviewed

Cheng Yang, Huakang Bian, Kenta Aoyagi, Yuichiro Hayasaka, Kenta Yamanaka, Akihiko Chiba

Materials and Design　212　110248-110248　2021/12/15

DOI： 10.1016/j.matdes.2021.110248 　

ISSN： 0264-1275

eISSN： 1873-4197

Effects of process parameters and cooling gas on powder formation during the plasma rotating electrode process International-journal Peer-reviewed

Yujie Cui, Yufan Zhao, Haruko Numata, Kenta Yamanaka, Huakang Bian, Kenta Aoyagi, Akihiko Chiba

Powder Technology　393　301-311　2021/11

DOI： 10.1016/j.powtec.2021.07.062 　

ISSN： 0032-5910

eISSN： 1873-328X

Controlling factors determining flowability of powders for additive manufacturing: A combined experimental and simulation study International-journal Peer-reviewed

Yufan Zhao, Yujie Cui, Yusaku Hasebe, Huakang Bian, Kenta Yamanaka, Kenta Aoyagi, Takehito Hagisawa, Akihiko Chiba

Powder Technology　393　482-493　2021/11

DOI： 10.1016/j.powtec.2021.08.006 　

ISSN： 0032-5910

eISSN： 1873-328X

Characterization of oxide films on wrought Co–Cr–Mo–xSi alloys exposed to high-temperature oxidation International-journal International-coauthorship Peer-reviewed

Phacharaphon Tunthawiroon, Mettaya Kitiwan, Kasama Srirussamee, Yunping Li, Kenta Yamanaka, Akihiko Chiba

Corrosion Science　191　109753-109753　2021/10

DOI： 10.1016/j.corsci.2021.109753 　

ISSN： 0010-938X

Author Correction: Surface evolution and corrosion behaviour of Cu-doped carbide-reinforced martensitic steels in a sulfuric acid solution (npj Materials Degradation, (2021), 5, 1, (43), 10.1038/s41529-021-00187-0) International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Kazuo Yoshida, Yusuke Onuki, Shigeo Sato, Akihiko Chiba

npj Materials Degradation　5　(1)　49　2021/09/17

DOI： 10.1038/s41529-021-00197-y 　

eISSN： 2397-2106

The microstructure and mechanical properties of selective electron beam melting manufactured 9–12Cr ferritic/martensitic steel using N- and Ar-atomized powder International-journal Peer-reviewed

Tack Lee, Kenta Aoyagi, Huakang Bian, Kenta Yamanaka, Shigeo Sato, Akihiko Chiba

Additive Manufacturing　45　102075-102075　2021/09

DOI： 10.1016/j.addma.2021.102075 　

ISSN： 2214-8604

eISSN： 2214-8604

Smoke Suppression in Electron Beam Melting of Inconel 718 Alloy Powder Based on Insulator–Metal Transition of Surface Oxide Film by Mechanical Stimulation International-journal Invited Peer-reviewed

Akihiko Chiba, Yohei Daino, Kenta Aoyagi, Kenta Yamanaka

Materials　14　(16)　4662-4662　2021/08/18

DOI： 10.3390/ma14164662 　

eISSN： 1996-1944

Surface evolution and corrosion behaviour of Cu-doped carbide-reinforced martensitic steels in a sulfuric acid solution International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Kazuo Yoshida, Yusuke Onuki, Shigeo Sato, Akihiko Chiba

npj Materials Degradation　5　(1)　43-43　2021/08/16

DOI： 10.1038/s41529-021-00187-0 　

eISSN： 2397-2106

Calculation-driven design of off-equiatomic high-entropy alloys with enhanced solid-solution strengthening International-journal Peer-reviewed

Jiaxiang Li, Kenta Yamanaka, Akihiko Chiba

Materials Science and Engineering: A　817　141359-141359　2021/06/10

DOI： 10.1016/j.msea.2021.141359 　

ISSN： 0921-5093

Thermal Effects in Sn Coating on a Carbon Fiber Reinforced Plastic by Cold Spraying International-journal Invited Peer-reviewed

Jiayu Sun, Shaoyun Zhou, Kenta Yamanaka, Yuji Ichikawa, Hiroki Saito, Kazuhiro Ogawa, Akihiko Chiba

Journal of Thermal Spray Technology　30　(5)　1254-1261　2021/06

DOI： 10.1007/s11666-021-01208-9 　

ISSN： 1059-9630

eISSN： 1544-1016

Thermal properties of powder beds in energy absorption and heat transfer during additive manufacturing with electron beam International-journal Peer-reviewed

Yufan Zhao, Yuichiro Koizumi, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Powder Technology　381　44-54　2021/03

DOI： 10.1016/j.powtec.2020.11.082 　

ISSN： 0032-5910

eISSN： 1873-328X

Quantifying the dislocation structures of additively manufactured Ti–6Al–4V alloys using X-ray diffraction line profile analysis International-journal Peer-reviewed

Kenta Yamanaka, Asumi Kuroda, Miyu Ito, Manami Mori, Huakang Bian, Takahisa Shobu, Shigeo Sato, Akihiko Chiba

Additive Manufacturing　37　101678-101678　2021/01

DOI： 10.1016/j.addma.2020.101678 　

ISSN： 2214-8604

eISSN： 2214-8604

Centrifugal granulation behavior in metallic powder fabrication by plasma rotating electrode process International-journal Peer-reviewed

Yufan Zhao, Yujie Cui, Haruko Numata, Huakang Bian, Kimio Wako, Kenta Yamanaka, Kenta Aoyagi, Akihiko Chiba

Scientific Reports　10　(1)　18446-18446　2020/12/01

DOI： 10.1038/s41598-020-75503-w 　

ISSN： 2045-2322

eISSN： 2045-2322

Role of operating and environmental conditions in determining molten pool dynamics during electron beam melting and selective laser melting International-journal Peer-reviewed

Yufan Zhao, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　36　101559-101559　2020/12

DOI： 10.1016/j.addma.2020.101559 　

ISSN： 2214-8604

eISSN： 2214-8604

Manufacturing of a nanosized TiB strengthened Ti-based alloy via electron beam powder bed fusion International-journal Peer-reviewed

Yujie Cui, Kenta Aoyagi, Yufan Zhao, Kenta Yamanaka, Yuichiro Hayasaka, Yuichiro Koizumi, Tadashi Fujieda, Akihiko Chiba

Additive Manufacturing　36　101472-101472　2020/12

DOI： 10.1016/j.addma.2020.101472 　

ISSN： 2214-8604

eISSN： 2214-8604

In situ synchrotron X-ray diffraction line-profile analysis of additively manufactured Ti−6Al−4V alloy under tensile deformation International-journal Peer-reviewed

K. Yamanaka, A. Kuroda, M. Ito, M. Mori, T. Shobu, S. Sato, A. Chiba

MATEC Web of Conferences　321　03026-03026　2020/10/12

DOI： 10.1051/matecconf/202032103026 　

eISSN： 2261-236X

Effect of microstructure on tensile properties of Ti-17 alloys forged using a 1500-ton forging simulator International-journal Peer-reviewed

Y. Yamabe-Mitarai, S. Kuroda, N. Motohashi, H. Matsumoto, G. Miyamoto, Y. Yoshida, K. Yamanaka, M. Niinomi, Y. Itsumi

MATEC Web of Conferences　321　04014-04014　2020/10/12

DOI： 10.1051/matecconf/202032104014 　

eISSN： 2261-236X

Macro-mesoscale microstructural evolution modeling under hot forging of a Ti-17 alloy with a lamellar (α+β) starting microstructure International-journal Peer-reviewed

Hiroaki Matsumoto, Kenta Yamanaka, Akihiko Chiba, Yoko Yamabe-Mitarai, Yoshio Itsumi

MATEC Web of Conferences　321　13005-13005　2020/10/12

DOI： 10.1051/matecconf/202032113005 　

eISSN： 2261-236X

Phase transformation and evolution of dislocation structure in the β phase of Ti-17 alloy during hot deformation International-journal Peer-reviewed

K. Yamanaka, M. Mori, H. Matsumoto, A. Chiba

MATEC Web of Conferences　321　13006-13006　2020/10/12

DOI： 10.1051/matecconf/202032113006 　

eISSN： 2261-236X

Effects of plasma rotating electrode process parameters on the particle size distribution and microstructure of Ti-6Al-4 V alloy powder International-journal Peer-reviewed

Yujie Cui, Yufan Zhao, Haruko Numata, Huakang Bian, Kimio Wako, Kenta Yamanaka, Kenta Aoyagi, Chen Zhang, Akihiko Chiba

Powder Technology　376　363-372　2020/10

DOI： 10.1016/j.powtec.2020.08.027 　

ISSN： 0032-5910

eISSN： 1873-328X

A study on wettability and formation of intermetallic phase between Co–Cr–Mo alloy and Sn-Solder used as a potential under bump metallization for flip-chip packages International-journal International-coauthorship Peer-reviewed

Kyaw, T.T., Tunthawiroon, P., Kanlayasiri, K., Yamanaka, K., Chiba, A.

Intermetallics　125　106875-106875　2020/10

DOI： 10.1016/j.intermet.2020.106875 　

ISSN： 0966-9795

Corrosion mechanism of an equimolar AlCoCrFeNi high-entropy alloy additively manufactured by electron beam melting International-journal Peer-reviewed

Yamanaka, K., Shiratori, H., Mori, M., Omura, K., Fujieda, T., Kuwabara, K., Chiba, A.

npj Materials Degradation　4　(1)　24　2020/08/11

DOI： 10.1038/s41529-020-00127-4 　

ISSN： 2397-2106

eISSN： 2397-2106

Preparation of high-strength Co−Cr−Mo alloy rods via hot-caliber rolling International-journal International-coauthorship Peer-reviewed

Kenta Yamanaka, Manami Mori, Kazuo Yoshida, Sandra Balvay, Daniel Hartmann, Damien Fabrègue, Akihiko Chiba

Materialia　12　100729-100729　2020/08

DOI： 10.1016/j.mtla.2020.100729 　

ISSN： 2589-1529

eISSN： 2589-1529

Influence of interatomic interactions on the mechanical properties of face-centered cubic multicomponent Co–Ni–Cr–Mo alloys International-journal Peer-reviewed

Li, J., Yamanaka, K., Chiba, A.

Materialia　12　100742-100742　2020/08

DOI： 10.1016/j.mtla.2020.100742 　

ISSN： 2589-1529

eISSN： 2589-1529

Significance of powder feedstock characteristics in defect suppression of additively manufactured Inconel 718 International-journal Peer-reviewed

Yufan Zhao, Kenta Aoyagi, Yohei Daino, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　34　101277-101277　2020/08

DOI： 10.1016/j.addma.2020.101277 　

ISSN： 2214-8604

eISSN： 2214-8604

Isothermal γ → ε phase transformation behavior in a Co-Cr-Mo alloy depending on thermal history during electron beam powder-bed additive manufacturing Peer-reviewed

Yufan Zhao, Yuichiro Koizumi, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Journal of Materials Science and Technology　50　162-170　2020/08/01

DOI： 10.1016/j.jmst.2019.11.040 　

ISSN： 1005-0302

Hot deformation characteristics and dynamic recrystallization mechanisms of a Co–Ni-based superalloy International-journal International-coauthorship Peer-reviewed

Lingxiao Ouyang, Rui Luo, Yunwei Gui, Yun Cao, Leli Chen, Yujie Cui, Huakang Bian, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Materials Science and Engineering: A　788　139638-139638　2020/06

DOI： 10.1016/j.msea.2020.139638 　

ISSN： 0921-5093

VBTree Tutorial: Automatic Completion of Group Operation on Structural Dataset Peer-reviewed

Chen Zhang, Huakang Bian, Kenta Yamanaka, Akihiko Chiba

New Developments in Data Science and Data Analytics　126-132　2020/05

DOI： 10.35566/ISDSA2019C8 　

Low Young’s Modulus and High Strength Obtained in Ti-Nb-Zr-Cr Alloys by Optimizing Zr Content International-journal International-coauthorship Peer-reviewed

Qiang Li, Chao Cheng, Junjie Li, Ke Zhang, Kai Zhou, Masaaki Nakai, Mitsuo Niinomi, Kenta Yamanaka, Daixiu Wei, Akihiko Chiba, Takayoshi Nakano

Journal of Materials Engineering and Performance　29　(5)　2871-2878　2020/05/01

DOI： 10.1007/s11665-020-04826-6 　

ISSN： 1059-9495

eISSN： 1544-1024

Favorable modulation of osteoblast cellular activity on Zr-modified Co–Cr–Mo alloy: The significant impact of zirconium on cell–substrate interactions International-journal International-coauthorship Peer-reviewed

Na Gong, Ivan Montes, Krishna C. Nune, R. Devesh Kumar Misra, Kenta Yamanaka, Manami Mori, Akihiko Chiba

Journal of Biomedical Materials Research - Part B Applied Biomaterials　108　(4)　1518-1526　2020/05/01

DOI： 10.1002/jbm.b.34499 　

ISSN： 1552-4973

eISSN： 1552-4981

Manipulating local heat accumulation towards controlled quality and microstructure of a Co-Cr-Mo alloy in powder bed fusion with electron beam International-journal Peer-reviewed

Yufan Zhao, Yuichiro Koizumi, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Materials Letters　254　269-272　2019/11/01

DOI： 10.1016/j.matlet.2019.07.078 　

ISSN： 0167-577X

eISSN： 1873-4979

Cold-Workability and Microstructure Change with β-Phase Stability in High-Strength Ti-Mn Binary Alloys International-journal International-coauthorship Peer-reviewed

Mohammed K. Gouda, Mohamed A.H. Gepreel, Kenta Yamanaka, Haukang Bian, Koichi Nakamura, Akihiko Chiba

JOM　71　(10)　3590-3599　2019/10/01

DOI： 10.1007/s11837-019-03690-7 　

ISSN： 1047-4838

eISSN： 1543-1851

Low springback and low Young’s modulus in Ti29Nb13Ta4.6Zr alloy modified by Mo addition International-journal International-coauthorship Peer-reviewed

Qiang Li, Qiang Qi, Junjie Li, Masaaki Nakai, Mitsuo Niinomi, Yuichiro Koizumi, Daixiu Wei, Kenta Yamanaka, Takayoshi Nakano, Akihiko Chiba, Xuyan Liu, Deng Pan

Materials Transactions　60　(9)　1755-1762　2019/09/01

DOI： 10.2320/matertrans.ME201912 　

ISSN： 1345-9678

eISSN： 1347-5320

Microstructural control of alloy 718 fabricated by electron beam melting with expanded processing window by adaptive offset method International-journal Peer-reviewed

Xiao Ding, Yuichiro Koizumi, Kenta Aoyagi, Tadashi Kii, Nobuyuki Sasaki, Yuichiro Hayasaka, Kenta Yamanaka, Akihiko Chiba

Materials Science and Engineering: A　764　138058-138058　2019/09

DOI： 10.1016/j.msea.2019.138058 　

ISSN： 0921-5093

eISSN： 1873-4936

Corrosion-resistant carbide-reinforced martensitic steel by Cu modification International-journal Peer-reviewed

Chen Zhang, Kenta Yamanaka, Huakang Bian, Akihiko Chiba

npj Materials Degradation　3　(1)　30-30　2019/08/27

DOI： 10.1038/s41529-019-0092-3 　

eISSN： 2397-2106

The influence of temperature during water-quench rapid heat treatment on the microstructure, mechanical properties and biocompatibility of Ti[sbnd]6Al[sbnd]4V ELI alloy International-journal International-coauthorship Peer-reviewed

J. A. Chafino, K. Yamanaka, F. Mercier, P. Rivory, S. Balvay, D. J. Hartmann, A. Chiba, D. Fabregue

Journal of the Mechanical Behavior of Biomedical Materials　96　144-151　2019/08

DOI： 10.1016/j.jmbbm.2019.04.024 　

ISSN： 1751-6161

eISSN： 1878-0180

Effect of Al content and cold rolling on the microstructure and mechanical properties of Al<inf>5</inf>Cr<inf>12</inf>Fe<inf>35</inf>Mn<inf>28</inf>Ni<inf>20</inf> high-entropy alloy International-journal International-coauthorship Peer-reviewed

Sally Elkatatny, Mohamed A.H. Gepreel, Atef Hamada, Koichi Nakamura, Kenta Yamanaka, Akihiko Chiba

Materials Science and Engineering: A　759　380-390　2019/06/24

DOI： 10.1016/j.msea.2019.05.056 　

ISSN： 0921-5093

Abnormal grain growth in commercially pure titanium during additive manufacturing with electron beam melting International-journal Peer-reviewed

Kenta Yamanaka, Wataru Saito, Manami Mori, Hiroaki Matsumoto, Shigeo Sato, Akihiko Chiba

Materialia　6　100281-100281　2019/06

DOI： 10.1016/j.mtla.2019.100281 　

ISSN： 2589-1529

eISSN： 2589-1529

Comprehensive study on mechanisms for grain morphology evolution and texture development in powder bed fusion with electron beam of Co–Cr–Mo alloy International-journal Peer-reviewed

Yufan Zhao, Yuichiro Koizumi, Kenta Aoyagi, Daixiu Wei, Kenta Yamanaka, Akihiko Chiba

Materialia　6　100346-100346　2019/06

DOI： 10.1016/j.mtla.2019.100346 　

ISSN： 2589-1529

eISSN： 2589-1529

Effect of multipass thermomechanical processing on the corrosion behaviour of biomedical Co–Cr–Mo alloys International-journal International-coauthorship Peer-reviewed

Kenta Yamanaka, Manami Mori, Ika Kartika, Moch Syaiful Anwar, Koji Kuramoto, Shigeo Sato, Akihiko Chiba

Corrosion Science　148　178-187　2019/03

DOI： 10.1016/j.corsci.2018.12.009 　

ISSN： 0010-938X

Molten pool behavior and effect of fluid flow on solidification conditions in selective electron beam melting (SEBM) of a biomedical Co-Cr-Mo alloy International-journal Peer-reviewed

Yufan Zhao, Yuichiro Koizumi, Kenta Aoyagi, Daixiu Wei, Kenta Yamanaka, Akihiko Chiba

Additive Manufacturing　26　202-214　2019/03

DOI： 10.1016/j.addma.2018.12.002 　

ISSN： 2214-8604

eISSN： 2214-8604

Tuning strain-induced γ-to-ε martensitic transformation of biomedical Co–Cr–Mo alloys by introducing parent phase lattice defects International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Shigeo Sato, Shinki Tsubaki, Kozue Satoh, Masayoshi Kumagai, Muneyuki Imafuku, Takahisa Shobu, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　90　523-529　2019/02

DOI： 10.1016/j.jmbbm.2018.10.038 　

ISSN： 1751-6161

eISSN： 1878-0180

A Constitutive Model and Processing Maps Describing the High‐Temperature Deformation Behavior of Ti‐17 Alloy in the β‐Phase Field International-journal Peer-reviewed

Kenta Yamanaka, Hiroaki Matsumoto, Akihiko Chiba

Advanced Engineering Materials　21　(2)　1800775-1800775　2019/02

DOI： 10.1002/adem.201800775 　

ISSN： 1438-1656

eISSN： 1527-2648

Mechanical and corrosion properties of CoCrFeNiTi-based high-entropy alloy additive manufactured using selective laser melting International-journal Peer-reviewed

Tadashi Fujieda, Meichuan Chen, Hiroshi Shiratori, Kosuke Kuwabara, Kenta Yamanaka, Yuichiro Koizumi, Akihiko Chiba, Seiichi Watanabe

Additive Manufacturing　25　412-420　2019/01

DOI： 10.1016/j.addma.2018.10.023 　

ISSN： 2214-8604

eISSN： 2214-8604

Impact of minor alloying with C and Si on the precipitation behavior and mechanical properties of N-doped Co–Cr alloy dental castings International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Yasuhiro Torita, Akihiko Chiba

Materials Science and Engineering C　92　112-120　2018/11/01

DOI： 10.1016/j.msec.2018.06.035 　

ISSN： 0928-4931

Mechanical and corrosion properties of AlCoCrFeNi high-entropy alloy fabricated with selective electron beam melting International-journal Peer-reviewed

Kosuke Kuwabara, Hiroshi Shiratori, Tadashi Fujieda, Kenta Yamanaka, Yuichiro Koizumi, Akihiko Chiba

Additive Manufacturing　23　264-271　2018/10

DOI： 10.1016/j.addma.2018.06.006 　

ISSN： 2214-8604

eISSN： 2214-8604

Electron beam additive manufacturing of Inconel 718 alloy rods: Impact of build direction on microstructure and high-temperature tensile properties International-journal Peer-reviewed

Shi Hai Sun, Yuichiro Koizumi, Tsuyoshi Saito, Kenta Yamanaka, Yun Ping Li, Yujie Cui, Akihiko Chiba

Additive Manufacturing　23　457-470　2018/10

DOI： 10.1016/j.addma.2018.08.017 　

ISSN： 2214-8604

eISSN： 2214-8604

Significant impact of yttrium microaddition on high temperature tensile properties of Inconel 713C superalloy International-journal Peer-reviewed

Dong Soo Kang, Yuichiro Koizumi, Kenta Yamanaka, Kenta Aoyagi, Huakang Bian, Akihiko Chiba

Materials Letters　227　40-43　2018/09/15

DOI： 10.1016/j.matlet.2018.03.106 　

ISSN： 0167-577X

eISSN： 1873-4979

Strain-Induced Martensitic Transformation and Texture Evolution in Cold-Rolled Co–Cr Alloys International-journal Peer-reviewed

Yusuke Onuki, Shigeo Sato, Maiko Nakagawa, Kenta Yamanaka, Manami Mori, Akinori Hoshikawa, Toru Ishigaki, Akihiko Chiba

Quantum Beam Science　2　(2)　11-11　2018/05/22

DOI： 10.3390/qubs2020011 　

ISSN： 2412-382X

eISSN： 2412-382X

Effect of nitrogen on the microstructure and mechanical properties of Co–33Cr–9W alloys prepared by dental casting International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Yasuhiro Torita, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　77　693-700　2018/01

DOI： 10.1016/j.jmbbm.2017.10.017 　

ISSN： 1751-6161

eISSN： 1878-0180

Forging property, processing map, and mesoscale microstructural evolution modeling of a Ti-17 alloy with a lamellar (α+β) starting microstructure International-journal Peer-reviewed

Hiroaki Matsumoto, Daiki Naito, Kento Miyoshi, Kenta Yamanaka, Akihiko Chiba, Yoko Yamabe-Mitarai

Science and Technology of Advanced Materials　18　(1)　893-904　2017/12/31

DOI： 10.1080/14686996.2017.1386530 　

ISSN： 1468-6996

eISSN： 1878-5514

Stacking-fault strengthening of biomedical Co–Cr–Mo alloy via multipass thermomechanical processing International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Shigeo Sato, Akihiko Chiba

Scientific Reports　7　(1)　10808-10808　2017/09/07

DOI： 10.1038/s41598-017-10305-1 　

ISSN： 2045-2322

eISSN： 2045-2322

Study of microstructure evolution and properties of Cu-Fe microcomposites produced by a pre-alloyed powder method International-journal Peer-reviewed

Fenglin Wang, Kimio Wakoh, Yunping Li, Shun Ito, Kenta Yamanaka, Yuichiro Koizumi, Akihiko Chiba

Materials and Design　126　64-72　2017/07/15

DOI： 10.1016/j.matdes.2017.04.017 　

ISSN： 0264-1275

eISSN： 1873-4197

Continuous Measurements of Recrystallization and Grain Growth in Cobalt Super Alloys International-journal International-coauthorship Peer-reviewed

Mahsa Keyvani, Thomas Garcin, Damien Fabrègue, Matthias Militzer, Kenta Yamanaka, Akihiko Chiba

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science　48　(5)　2363-2374　2017/05/01

DOI： 10.1007/s11661-017-4027-8 　

ISSN： 1073-5623

eISSN： 1543-1940

CoCrFeNiTi-based high-entropy alloy with superior tensile strength and corrosion resistance achieved by a combination of additive manufacturing using selective electron beam melting and solution treatment International-journal Peer-reviewed

Tadashi Fujieda, Hiroshi Shiratori, Kosuke Kuwabara, Mamoru Hirota, Takahiko Kato, Kenta Yamanaka, Yuichiro Koizumi, Akihiko Chiba, Seiichi Watanabe

Materials Letters　189　148-151　2017/02/15

DOI： 10.1016/j.matlet.2016.11.026 　

ISSN： 0167-577X

eISSN： 1873-4979

Effects of post-processing on cyclic fatigue response of a titanium alloy additively manufactured by electron beam melting International-journal Peer-reviewed

Xiaoli Shui, Kenta Yamanaka, Manami Mori, Yoshihiko Nagata, Kenya Kurita, Akihiko Chiba

Materials Science and Engineering A　680　239-248　2017/01/05

DOI： 10.1016/j.msea.2016.10.059 　

ISSN： 0921-5093

eISSN： 1873-4936

Characterization of powder bed generation in electron beam additive manufacturing by discrete element method (DEM) International-journal Peer-reviewed

Yufan Zhao, Yuichiro Koizumi, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Materials Today: Proceedings　4　(11)　11437-11440　2017

DOI： 10.1016/j.matpr.2017.09.023 　

ISSN： 2214-7853

eISSN： 2214-7853

Precipitation behavior of a novel cobalt-based superalloy subjected to prior plastic deformations International-journal Peer-reviewed

Huakang Bian, Yunping Li, Daixiu Wei, Yujie Cui, Fenglin Wang, Shihai Sun, Kenta Yamanaka, Yuichiro Koizumi, Akihiko Chiba

Materials and Design　112　1-10　2016/12/15

DOI： 10.1016/j.matdes.2016.09.004 　

ISSN： 0264-1275

eISSN： 1873-4197

Development of microstructure and mechanical properties during annealing of a cold-swaged Co–Cr–Mo alloy rod International-journal Peer-reviewed

Manami Mori, Nanae Sato, Kenta Yamanaka, Kazuo Yoshida, Koji Kuramoto, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　64　187-198　2016/12/01

DOI： 10.1016/j.jmbbm.2016.07.009 　

ISSN： 1751-6161

eISSN： 1878-0180

Effect of building position on phase distribution in Co-Cr-Mo alloy additive manufactured by electron-beam melting International-journal Peer-reviewed

Taiyo Takashima, Yuichiro Koizumi, Yunping Li, Kenta Yamanaka, Tsuyoshi Saito, Akihiko Chiba

Materials Transactions　57　(12)　2041-2047　2016/12/01

DOI： 10.2320/matertrans.Y-M2016826 　

ISSN： 1345-9678

eISSN： 1347-5320

Modeling and Simulation of Electron Beam Additive Manufacturing for Biomedical Co-Cr-Mo Alloy Peer-reviewed

Yufan Zhao, Yuichiro Koizumi, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba

Proceedings of the Visual-JW2016　3　48-49　2016/08

Line-profile analysis combined with texture analysis for characterizing dislocation distribution in texture components of cold-rolled copper sheets International-journal Peer-reviewed

Kozue Satoh, Shigeo Sato, Kenta Yamanaka, Shigeru Suzuki, Akihiko Chiba, Kazuaki Wagatsuma

High Temperature Materials and Processes　35　(7)　705-713　2016/08/01

DOI： 10.1515/htmp-2015-0039 　

ISSN： 0334-6455

eISSN： 2191-0324

Manufacturing of high-strength Ni-free Co-Cr-Mo alloy rods via cold swaging International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Kazuo Yoshida, Koji Kuramoto, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　60　38-47　2016/07/01

DOI： 10.1016/j.jmbbm.2015.12.032 　

ISSN： 1751-6161

eISSN： 1878-0180

Investigation on hot deformation behavior of nanoscale TiC-strengthened Cu alloys fabricated by mechanical milling International-journal Peer-reviewed

Fenglin Wang, Yunping Li, Guoqiang Xie, Kimio Wakoh, Kenta Yamanaka, Yuichiro Koizumi, Akihiko Chiba

Materials Science and Engineering: A　668　1-12　2016/06/21

DOI： 10.1016/j.msea.2016.05.042 　

ISSN： 0921-5093

Submicron lamellar porous structure formed by selective dissolution of Ti-Al alloy International-journal Peer-reviewed

Dai Xiu Wei, Yuichiro Koizumi, Yunping Li, Kenta Yamanak, Akihiko Chiba

Materials and Design　98　1-11　2016/05/15

DOI： 10.1016/j.matdes.2016.02.096 　

ISSN： 0264-1275

eISSN： 1873-4197

Martensitic Transformation and its Effects on Microstructural Evolution and Mechanical Properties in Electron Beam Melting of Commercially Pure Titanium and Ti-6Al-4V Alloy International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Proceedings of the 13th World Conference on Titanium　1289-1293　2016/05/06

DOI： 10.1002/9781119296126.ch218 　

Uneven damage on head and liner contact surfaces of a retrieved Co-Cr-based metal-on-metal hip joint bearing: An important reason for the high failure rate International-journal Peer-reviewed

Yuichiro Koizumi, Yan Chen, Yunping Li, Kenta Yamanaka, Akihiko Chiba, Shun Ichiro Tanaka, Yoshihiro Hagiwara

Materials Science and Engineering C　62　532-543　2016/05/01

DOI： 10.1016/j.msec.2016.01.006 　

ISSN： 0928-4931

Characterisation of nanoscale carbide precipitation in as-cast Co-Cr-W-based dental alloys International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Kazuhisa Sato, Akihiko Chiba

Journal of Materials Chemistry B　4　(10)　1778-1786　2016/03/14

DOI： 10.1039/c6tb00040a 　

ISSN： 2050-7518

eISSN： 2050-750X

Cold-rolling behavior of biomedical Ni-free Co-Cr-Mo alloys: Role of strain-induced ε martensite and its intersecting phenomena International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　55　201-214　2016/03

DOI： 10.1016/j.jmbbm.2015.10.021 　

ISSN： 1751-6161

eISSN： 1878-0180

Relationship between the microstructure and mechanical properties of an equiatomic AlCoCrFeNi high-entropy alloy fabricated by selective electron beam melting International-journal Peer-reviewed

Hiroshi Shiratori, Tadashi Fujieda, Kenta Yamanaka, Yuichiro Koizumi, Kosuke Kuwabara, Takahiko Kato, Akihiko Chiba

Materials Science and Engineering: A　656　39-46　2016/02/22

DOI： 10.1016/j.msea.2016.01.019 　

ISSN： 0921-5093

In-situ fabrication and characterization of ultrafine structured Cu-TiC composites with high strength and high conductivity by mechanical milling International-journal Peer-reviewed

Fenglin Wang, Yunping Li, Xiaoyu Wang, Yuichiro Koizumi, Yamanaka Kenta, Akihiko Chiba

Journal of Alloys and Compounds　657　122-132　2016/02/05

DOI： 10.1016/j.jallcom.2015.10.061 　

ISSN： 0925-8388

Developing high strength and ductility in biomedical Co-Cr cast alloys by simultaneous doping with nitrogen and carbon International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Acta Biomaterialia　31　435-447　2016/02/01

DOI： 10.1016/j.actbio.2015.12.011 　

ISSN： 1742-7061

eISSN： 1878-7568

Modeling dynamic recrystallization of L-605 cobalt superalloy International-journal International-coauthorship Peer-reviewed

Julien Favre, Damien Fabrègue, Kenta Yamanaka, Akihiko Chiba

Materials Science and Engineering: A　653　84-92　2016/01/20

DOI： 10.1016/j.msea.2015.12.003 　

ISSN： 0921-5093

Effect of Building Position on Phase Distribution in Co-Cr-Mo Alloy Additive Manufactured by EBM Invited Peer-reviewed

Taiyo Takashima, Yuichiro Koizumi, Yunping Li, Kenta Yamanaka, Tsuyoshi Saito, Akihiko Chiba

Journal of the Japan Society of Powder and Powder Metallurgy　63　(1)　10-16　2016

DOI： 10.2497/jjspm.63.10 　

ISSN： 0532-8799

eISSN： 1880-9014

Superthermostability of nanoscale TIC-reinforced copper alloys manufactured by a two-step ball-milling process International-journal Peer-reviewed

Fenglin Wang, Yunping Li, Xiandong Xu, Yuichiro Koizumi, Kenta Yamanaka, Huakang Bian, Akihiko Chiba

Philosophical Magazine　95　(35)　4035-4053　2015/12/12

DOI： 10.1080/14786435.2015.1112442 　

ISSN： 1478-6435

eISSN： 1478-6443

Assessment of precipitation behavior in dental castings of a Co-Cr-Mo alloy International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　50　268-276　2015/12/03

DOI： 10.1016/j.jmbbm.2015.06.020 　

ISSN： 1751-6161

eISSN： 1878-0180

Strengthening of biomedical Ni-free Co-Cr-Mo alloy by multipass "low-strain-per-pass" thermomechanical processing International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Shigeo Sato, Shinki Tsubaki, Kozue Satoh, Masayoshi Kumagai, Muneyuki Imafuku, Takahisa Shobu, Akihiko Chiba

Acta Biomaterialia　28　215-224　2015/12

DOI： 10.1016/j.actbio.2015.09.016 　

ISSN： 1742-7061

eISSN： 1878-7568

Texture evolution and mechanical anisotropy of biomedical hot-rolled Co-Cr-Mo alloy International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Shigeo Sato, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　51　205-214　2015/11/01

DOI： 10.1016/j.jmbbm.2015.06.034 　

ISSN： 1751-6161

eISSN： 1878-0180

Preparation of weak-textured commercially pure titanium by electron beam melting International-journal Peer-reviewed

Kenta Yamanaka, Wataru Saito, Manami Mori, Hiroaki Matsumoto, Akihiko Chiba

Additive Manufacturing　8　105-109　2015/10/01

DOI： 10.1016/j.addma.2015.09.007 　

ISSN： 2214-8604

eISSN： 2214-8604

Regulating the coarsening of the γ′ phase in superalloys International-journal International-coauthorship Peer-reviewed

Huakang Bian, Xiandong Xu, Yunping Li, Yuichiro Koizumi, Zhongchang Wang, Mingwei Chen, Kenta Yamanaka, Akihiko Chiba

NPG Asia Materials　7　(8)　e212-e212　2015/08/28

DOI： 10.1038/am.2015.96 　

ISSN： 1884-4049

eISSN： 1884-4057

Analysis of the fracture mechanism of Ti-6Al-4V alloy rods that failed clinically after spinal instrumentation surgery International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Ken Yamazaki, Ruriko Kumagai, Minoru Doita, Akihiko Chiba

Spine　40　(13)　E767-E773　2015/07/01

DOI： 10.1097/BRS.0000000000000881 　

ISSN： 0362-2436

eISSN： 1528-1159

First demonstration of promising selective electron beam melting method for utilizing high-entropy alloys as engineering materials International-journal Peer-reviewed

Tadashi Fujieda, Hiroshi Shiratori, Kosuke Kuwabara, Takahiko Kato, Kenta Yamanaka, Yuichiro Koizumi, Akihiko Chiba

Materials Letters　159　12-15　2015/06/27

DOI： 10.1016/j.matlet.2015.06.046 　

ISSN： 0167-577X

eISSN： 1873-4979

Effect of carbon on the microstructure, mechanical properties and metal ion release of Ni-free Co-Cr-Mo alloys containing nitrogen International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Koji Kuramoto, Kazuyo Ohmura, Tetsuya Ashino, Akihiko Chiba

Materials Science and Engineering C　55　145-154　2015/05/27

DOI： 10.1016/j.msec.2015.05.058 　

ISSN： 0928-4931

Surface characterisation of Ni-free Co-Cr-W-based dental alloys exposed to high temperatures and the effects of adding silicon International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Corrosion Science　94　411-419　2015/05/01

DOI： 10.1016/j.corsci.2015.02.030 　

ISSN： 0010-938X

In-situ grain size measurements in cobalt super alloys with laser-ultrasonics Peer-reviewed

M. Keyvani, T. Garcin, D. Fabrègue, M. Militzer, K. Yamanaka, A. Chiba

PTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015　747-748　2015

Preventing high-temperature oxidation of Co-Cr-based dental alloys by boron doping International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Kazuyo Ohmura, Akihiko Chiba

Journal of Materials Chemistry B　4　(2)　309-317　2015

DOI： 10.1039/c5tb01944c 　

ISSN： 2050-7518

eISSN： 2050-750X

Influence of two-step ball-milling condition on electrical and mechanical properties of TiC-dispersion-strengthened Cu alloys International-journal Peer-reviewed

Fenglin Wang, Yunping Li, Kenta Yamanaka, Kimio Wakon, Koichi Harata, Akihiko Chiba

Materials and Design　64　441-449　2014/12/01

DOI： 10.1016/j.matdes.2014.08.027 　

ISSN： 0264-1275

eISSN： 1873-4197

Role of strain-induced martensitic transformation on extrusion and intrusion formation during fatigue deformation of biomedical Co-Cr-Mo-N alloys International-journal Peer-reviewed

Takuya Mitsunobu, Yuichiro Koizumi, Byoung Soo Lee, Kenta Yamanaka, Hiroaki Matsumoto, Yunping Li, Akihiko Chiba

Acta Materialia　81　377-385　2014/12

DOI： 10.1016/j.actamat.2014.08.039 　

ISSN： 1359-6454

eISSN： 1873-2453

Effect of cold rolling on phase decomposition in biomedical Co-29Cr-6Mo-0.2N alloy during isothermal heat treatment at 1073 K International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Akihiko Chiba

Journal of Alloys and Compounds　612　273-279　2014/11/05

DOI： 10.1016/j.jallcom.2014.05.175 　

ISSN： 0925-8388

eISSN： 1873-4669

Effects of microstructures on the sliding behavior of hot-pressed CoCrMo alloys International-journal Peer-reviewed

Yan Chen, Yunping Li, Shingo Kurosu, Kenta Yamanaka, Ning Tang, Akihiko Chiba

Wear　319　(1)　200-210　2014/11/05

DOI： 10.1016/j.wear.2014.07.022 　

ISSN： 0043-1648

eISSN： 1873-2577

Influence of carbon addition on mechanical properties and microstructures of Ni-free Co-Cr-W alloys subjected to thermomechanical processing International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　37　274-285　2014/09

DOI： 10.1016/j.jmbbm.2014.05.025 　

ISSN： 1751-6161

eISSN： 1878-0180

Effects of carbon concentration on microstructure and mechanical properties of as-cast nickel-free Co-28Cr-9W-based dental alloys International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Materials Science and Engineering C　40　127-134　2014/07/01

DOI： 10.1016/j.msec.2014.03.053 　

ISSN： 0928-4931

eISSN： 1873-0191

Nitrogen-enhanced nanostructural evolution and its effect on phase stability in biomedical Co-Cr-Mo alloys International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Advanced Materials Research　922　826-831　2014/05/07

DOI： 10.4028/www.scientific.net/AMR.922.826 　

ISSN： 1022-6680

eISSN： 1662-8985

Effects of nitrogen on microstructural evolution of biomedical Co-Cr-W alloys during hot deformation and subsequent cooling International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Materials and Design　57　421-425　2014/05

DOI： 10.1016/j.matdes.2013.12.080 　

ISSN： 0264-1275

eISSN： 1873-4197

Local strain evolution due to athermal γ→ε martensitic transformation in biomedical CoCrMo alloys International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Yuichiro Koizumi, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　32　52-61　2014/04

DOI： 10.1016/j.jmbbm.2013.12.019 　

ISSN： 1751-6161

eISSN： 1878-0180

Phase decomposition in biomedical Co-29Cr-6Mo-0.2N alloy during isothermal heat treatment at 1073 K International-journal Peer-reviewed

M. Mori, K. Yamanaka, A. Chiba

Journal of Alloys and Compounds　590　411-416　2014/03/25

DOI： 10.1016/j.jallcom.2013.12.126 　

ISSN： 0925-8388

eISSN： 1873-4669

Development of new Co-Cr-W-based biomedical alloys: Effects of microalloying and thermomechanical processing on microstructures and mechanical properties International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Koji Kuramoto, Akihiko Chiba

Materials and Design　55　987-998　2014/03

DOI： 10.1016/j.matdes.2013.10.052 　

ISSN： 0264-1275

eISSN： 1873-4197

Effects of sigma phase and carbide on the wear behavior of CoCrMo alloys in Hanks' solution International-journal Peer-reviewed

Yan Chen, Yunping Li, Shingo Kurosu, Kenta Yamanaka, Ning Tang, Yuichiro Koizumi, Akihiko Chiba

Wear　310　(1-2)　51-62　2014/02/15

DOI： 10.1016/j.wear.2013.12.010 　

ISSN： 0043-1648

Refinement of solidification microstructures by carbon addition in biomedical Co-28Cr-9W-1Si alloys International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Materials Letters　116　82-85　2014/02/01

DOI： 10.1016/j.matlet.2013.10.109 　

ISSN： 0167-577X

eISSN： 1873-4979

Dynamic recrystallization of a biomedical Co-Cr-W-based alloy under hot deformation International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Materials Science and Engineering: A　592　173-181　2014/01/13

DOI： 10.1016/j.msea.2013.11.002 　

ISSN： 0921-5093

eISSN： 1873-4936

Effects of nitrogen addition on microstructure and mechanical behavior of biomedical Co-Cr-Mo alloys International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Journal of the Mechanical Behavior of Biomedical Materials　29　417-426　2014/01

DOI： 10.1016/j.jmbbm.2013.10.006 　

ISSN： 1751-6161

eISSN： 1878-0180

Nanoarchitectured Co-Cr-Mo orthopedic implant alloys: Nitrogen-enhanced nanostructural evolution and its effect on phase stability International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Acta Biomaterialia　9　(4)　6259-6267　2013/04

DOI： 10.1016/j.actbio.2012.12.013 　

ISSN： 1742-7061

eISSN： 1878-7568

Strain-induced martensitic transformation near twin boundaries in a biomedical Co-Cr-Mo alloy with negative stacking fault energy International-journal Peer-reviewed

Yuichiro Koizumi, Sho Suzuki, Kenta Yamanaka, Byoung Soo Lee, Kazuhisa Sato, Yunping Li, Shingo Kurosu, Hiroaki Matsumoto, Akihiko Chiba

Acta Materialia　61　(5)　1648-1661　2013/03

DOI： 10.1016/j.actamat.2012.11.041 　

ISSN： 1359-6454

Enhanced mechanical properties of As-forged Co-Cr-Mo-N alloys with ultrafine-grained structures International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science　43　(13)　5243-5257　2012/12

DOI： 10.1007/s11661-012-1288-0 　

ISSN： 1073-5623

eISSN： 1543-1940

Origin of significant grain refinement in Co-Cr-Mo alloys without severe plastic deformation International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science　43　(12)　4875-4887　2012/12

DOI： 10.1007/s11661-012-1303-5 　

ISSN： 1073-5623

eISSN： 1543-1940

Microstructures and mechanical properties of biomedical Co-29Cr-6 Mo-0.14N alloys processed by hot rolling International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Shigeo Sato, Kazuaki Wagatsuma, Akihiko Chiba

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science　43　(9)　3108-3119　2012/09

DOI： 10.1007/s11661-012-1156-y 　

ISSN： 1073-5623

eISSN： 1543-1940

Nitrogen-induced dynamic strain aging in a biomedical-grade Co-Cr-Mo alloy International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Materials Science and Engineering: A　552　69-75　2012/08/30

DOI： 10.1016/j.msea.2012.05.003 　

ISSN： 0921-5093

Dynamic strain aging in biomedical Co-Cr-Mo-based alloys with nitrogen doping International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Yunping Li, Yuichiro Koizumi, Akihiko Chiba

Key Engineering Materials　508　141-145　2012/03

DOI： 10.4028/www.scientific.net/KEM.508.141 　

ISSN： 1013-9826

eISSN： 1662-9795

Mechanical properties of as-forged Ni-free Co-29Cr-6Mo alloys with ultrafine-grained microstructure International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Akihiko Chiba

Materials Science and Engineering: A　528　(18)　5961-5966　2011/07/15

DOI： 10.1016/j.msea.2011.04.027 　

ISSN： 0921-5093

Evolution of cold-rolled microstructures of biomedical Co-Cr-Mo alloys with and without N doping International-journal Peer-reviewed

Manami Mori, Kenta Yamanaka, Hiroaki Matsumoto, Akihiko Chiba

Materials Science and Engineering: A　528　(2)　614-621　2010/12/15

DOI： 10.1016/j.msea.2010.09.002 　

ISSN： 0921-5093

Compensation for Friction and Temperature Increase Due to Adiabatic Heating during Hot Compression Testing and Construction of &ldquo;Processing Map&rdquo; of Biomedical<br>Co-29Cr-6Mo-0.16N Alloy Peer-reviewed

Yunping Li, Emi Onodera, Hiroaki Matsumoto, Kenta Yamanaka, Akihiko Chiba

Journal of the Japan Society for Technology of Plasticity　51　(590)　221-226　2010/03/20

DOI： 10.9773/sosei.51.221 　

ISSN： 0038-1586

eISSN： 1882-0166

Ultrafine grain refinement of biomedical Co-29Cr-6Mo alloy during conventional hot-compression deformation International-journal Peer-reviewed

Kenta Yamanaka, Manami Mori, Shingo Kurosu, Hiroaki Matsumoto, Akihiko Chiba

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science　40　(8)　1980-1994　2009/08

DOI： 10.1007/s11661-009-9879-0 　

ISSN： 1073-5623

eISSN： 1543-1940

Hot Semiclosed Die Forging of Ni-Free Co-29Cr-6Mo Alloy into Prototype Artificial Hip Joint Stem Peer-reviewed

Shingo Kurosu, Kenta Yamanaka, HIroaki Matsumoto, Naoyuki Nomura, Akihiko Chiba

Journal of the Japan Society for Technology of Plasticity　50　(578)　256-260　2009/03/26

DOI： 10.9773/sosei.50.256 　

ISSN： 0038-1586

eISSN： 1882-0166

Solidification behavior of falling germanium droplets produced by pulsated orifice ejection method International-journal Peer-reviewed

Satoshi Masuda, Kenta Takagi, Wei Dong, Kenta Yamanaka, Akira Kawasaki

Journal of Crystal Growth　310　(11)　2915-2922　2008/05/15

DOI： 10.1016/j.jcrysgro.2008.01.050 　

ISSN： 0022-0248