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Strength evaluation method for adhesive joints under combined normal and shear stresses: A process-zone-based approach
Junichi Kitagawa, Takehisa Yamada, Tatsuhito Honda, Daichi Haruyama, Yamato Hoshikawa, Sohei Kanna, Takahiro Morishita, Itsuki Kawata, Tomonaga Okabe
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES 153 2027/02
DOI：
10.1016/j.ijadhadh.2026.104503
ISSN：
0143-7496
eISSN：
1879-0127
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Multiscale modeling of toughening in thermosetting resins based on a microscopic damage model: Application to bonded CFRP structures
Yamato Hoshikawa, Sera Koo, Yoshiaki Kawagoe, Shoko Mishima, Kazuki Ryuzono, Tomonaga Okabe
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES 339 2026/10/01
DOI：
10.1016/j.ijsolstr.2026.114159
ISSN：
0020-7683
eISSN：
1879-2146
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Process-induced degradation of tensile strength in 3D-printed carbon fiber-reinforced PA6: Experimental and numerical study
John Gabriel G. Decena, Yamato Hoshikawa, Taiyo Koyama, Yoshiaki Kawagoe, Yuki Takayama, Tomonaga Okabe
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES 2026/06/10
DOI：
10.1177/07316844261457658
ISSN：
0731-6844
eISSN：
1530-7964
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Finite element modeling for cohesive failure of adhesive structures: Hydrostatic stress dependence
Yamato Hoshikawa, Yoshiaki Kawagoe, Kazuki Ryuzono, Tomonaga Okabe
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS 116 105920-105920 2026/03
DOI：
10.1016/j.euromechsol.2025.105920
ISSN：
0997-7538
eISSN：
1873-7285
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Multiscale Modeling for Predicting Mechanical Properties of Open-Hole Laminates in 3D-Printed Carbon-Fiber-Reinforced Thermoplastics
Yamato Hoshikawa, Keiichi Shirasu, Yoshiaki Kawagoe, Kazuki Ryuzono, Ryo Higuchi, Tomonaga Okabe
TESTING AND EVALUATION, VOL 3 75-91 2026/02/13
DOI：
10.1007/978-3-032-05212-4_6
ISSN：
3059-4820
eISSN：
3059-4839
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Comparative study of thermosetting CF/epoxy and thermoplastic CF/PAEK composite laminates: Effects of stacking sequences on open-hole strength
Kota Oine, Kazuki Ryuzono, Yoshiaki Kawagoe, Yamato Hoshikawa, Keiichi Shirasu, Yuki Takayama, Tomonaga Okabe
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS 39 (1) 259-291 2026/01
DOI：
10.1177/08927057251344271
ISSN：
0892-7057
eISSN：
1530-7980
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Experimental and numerical evaluation of the interfacial adhesion properties of additively manufactured carbon-fiber-reinforced thermoplastic/64 titanium hybrids
Keiichi Shirasu, Takeru Mizuno, Yamato Hoshikawa, Kosuke Ogawa, Yuki Takayama, Hironori Tohmyoh
COMPOSITES SCIENCE AND TECHNOLOGY 271 2025/10/20
DOI：
10.1016/j.compscitech.2025.111338
ISSN：
0266-3538
eISSN：
1879-1050
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Process-induced residual stress in non-crimp fabric composites: Experimental and numerical evaluation considering viscoelasticity
Sera Koo, Yamato Hoshikawa, Yoshiaki Kawagoe, Kazuki Ryuzono, Tomonaga Okabe
MECHANICS OF MATERIALS 209 2025/10
DOI：
10.1016/j.mechmat.2025.105423
ISSN：
0167-6636
eISSN：
1872-7743
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Finite element modeling of viscoelastic creep behavior and transverse cracking in fiber-reinforced composite materials
Yamato Hoshikawa, Kazuki Ryuzono, Sota Onodera, Yoshiaki Kawagoe, Tomonaga Okabe
INTERNATIONAL JOURNAL OF DAMAGE MECHANICS 34 (9) 1365-1387 2025/09
DOI：
10.1177/10567895241302543
ISSN：
1056-7895
eISSN：
1530-7921
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Mechanism investigation and comparison of long-term deformations caused by process-induced residual stresses in thermosetting CF/epoxy and thermoplastic CF/PAEK composite laminates
Kazuki Ryuzono, Sera Koo, Yamato Hoshikawa, Yoshiaki Kawagoe, Tomonaga Okabe
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING 196 2025/09
DOI：
10.1016/j.compositesa.2025.108963
ISSN：
1359-835X
eISSN：
1878-5840
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Multiscale model for bottom-up prediction of failure parameters of unidirectional carbon-fiber-reinforced composite lamina from the atomic to filament-scales, and its application to failure modeling of open-hole quasi-isotropic composite laminates
Tadashi Watanabe, Yoshiaki Kawagoe, Yamato Hoshikawa, Yosuke Nakai, Kazuki Ryuzono, Tomonaga Okabe
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES 308 2025/02/01
DOI：
10.1016/j.ijsolstr.2024.113130
ISSN：
0020-7683
eISSN：
1879-2146
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第24回国際複合材料会議(ICCM24)報告—日本複合材料学会創立50周年記念特集号
飯塚 啓輔, 白須 圭一, 高垣 和規, 図所 優羽, 川越 吉晃, 水口 周, 横関 智弘, 干川 大和, 杉本 慶喜, 上田 政人, 高坂 達郎
日本複合材料学会誌 51 (6) 204-211 2025
Publisher:
東京 : 日本複合材料学会
ISSN：
0385-2563
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Finite element modeling for cohesive/adhesive failure of adhesive structures with a thermosetting resin
Yamato Hoshikawa, Yoshiaki Kawagoe, Kazuki Ryuzono, Tomonaga Okabe
ENGINEERING FRACTURE MECHANICS 311 2024/11/25
DOI：
10.1016/j.engfracmech.2024.110552
ISSN：
0013-7944
eISSN：
1873-7315
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Experiment-free multiscale simulation of residual deformation in non-crimp fabric composites
Yuuki Kinugawa, Yoshiaki Kawagoe, Kota Oine, Kazuki Ryuzono, Yamato Hoshikawa, Tomonaga Okabe
ADVANCED COMPOSITE MATERIALS 33 (6) 1420-1432 2024/11/01
DOI：
10.1080/09243046.2024.2348861
ISSN：
0924-3046
eISSN：
1568-5519
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Micromechanics study of short carbon fiber-reinforced thermoplastics fabricated via 3D printing using design of experiments
Keiichi Shirasu, Yudai Yamaguchi, Yamato Hoshikawa, Gota Kikugawa, Hironori Tohmyoh, Tomonaga Okabe
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 891 2024/01
DOI：
10.1016/j.msea.2023.145971
ISSN：
0921-5093
eISSN：
1873-4936
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Experimental and numerical investigation of the relationship between material defects and elastoplasticity behavior of 3D-printed carbon-fiber-reinforced thermoplastics under compressive loading
Yamato Hoshikawa, Keiichi Shirasu, Ryo Higuchi, Yoshiaki Kawagoe, Hironori Tohmyoh, Tomonaga Okabe
COMPOSITES SCIENCE AND TECHNOLOGY 241 2023/08/18
DOI：
10.1016/j.compscitech.2023.110116
ISSN：
0266-3538
eISSN：
1879-1050
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Open-hole tensile properties of 3D-printed continuous carbon-fiber-reinforced thermoplastic laminates: Experimental study and multiscale analysis
Yamato Hoshikawa, Keiichi Shirasu, Kohei Yamamoto, Yasuhisa Hirata, Ryo Higuchi, Tomonaga Okabe
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS 36 (7) 2836-2861 2023/07
DOI：
10.1177/08927057221110791
ISSN：
0892-7057
eISSN：
1530-7980
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A novel single-stroke path planning algorithm for 3D printers using continuous carbon fiber reinforced thermoplastics
Kohei Yamamoto, Jose Victorio Salazar Luces, Keiichi Shirasu, Yamato Hoshikawa, Tomonaga Okabe, Yasuhisa Hirata
ADDITIVE MANUFACTURING 55 2022/07
DOI：
10.1016/j.addma.2022.102816
ISSN：
2214-8604
eISSN：
2214-7810
https://orcid.org/0009-0008-4068-7077