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論文 (140件)
- Chenjun Yu, Tomoya Kawabata, Taira Okita, Shohei Uranaka. First-Principles study of hydrogen solubility and embrittlement of Cr
23 C6 in nickel-based alloys. Computational Materials Science. 2024. 245 - Rafael Magalhaes De Melo Freire, Shohei Uranaka, Eita Tochigi, Mitsuo Kimura, Tomoya Kawabata. Ductility loss of a metastable austenitic stainless steel and its TIG weldment due to hydrogen embrittlement at low temperatures considering the effect of pre-strain at 4K. ISIJ International. 2024
- Yuji Ando, Ritsuki Morohoshi, Shohei Uranaka, Tomoya Kawabata. Effect of TRIP on Crack Opening and Closure Behavior of Low Cycle Fatigue in Metastable Austenitic Stainless Steel. Proceedings of the International Offshore and Polar Engineering Conference. 2024. 1. 4389-4395
- Rafael Magalhães De Melo Freire, Shohei Uranaka, Mitsuo Kimura, Tomoya Kawabata. Hydrogen Embrittlement of SAW and SMAW welded joints from the SUS316L at low temperatures. Proceedings of the International Offshore and Polar Engineering Conference. 2024. 1. 4376-4382
- Ritsuki Morohoshi, Tomoya Kawabata. Effect of Pre-Strain on Ductile Fracture Resistance in Metastable Austenitic Stainless Steel. Proceedings of the International Offshore and Polar Engineering Conference. 2024. 1. 4396-4403
- Shohei Uranaka, Xuecheng Yuan, Tomoya Kawabata, Ryuko Ishizuka, Takanori Ito, Yasuhito Takashima, Yoshihiko Kitagawa. Effects of Deformation-Induced Martensitic Transformation on Cryogenic Toughness of Austenitic Weld Metals. Proceedings of the International Offshore and Polar Engineering Conference. 2024. 1. 4383-4388
- Tomoya Kawabata, Rafael Magalhães de Melo Freire, Naoya Oie. Damage assessment for steel structures subjected to cyclic pre-strain Part2: SEM in-situ observations clarifying the effect of stress state on damage evolution during plastic deformation. Theoretical and Applied Fracture Mechanics. 2023. 128
- A. Takumi Ozawa, B. Hiroaki Kosuge, C. Yoshiki Mikami, D. Tomoya Kawabata. Local compression process avoiding toughness change. Welding in the World. 2023. 67. 3. 607-615
- 川畑 友弥, 後藤 浩二, 山下 洋一. WES2805における溶接残留応力評価の精度と問題点. 溶接学会誌. 2023. 92. 3. 166-172
- Jo Watanuki, Tomoya Kawabata, Shunsuke Takagi. INVESTIGATION ON A METHOD OF COUNTING LOW-CYCLE FATIGUE IN STEEL UNDER CRACK CLOSURE AND RANDOM VARIABLE AMPLITUDE LOADING. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. 2023. 5
- Takumi Ozawa, Tomoya Kawabata, Yoshiki Mikami. Proposal of New Decision Method for Temperature Control Time in Fracture Toughness Test. ISIJ International. 2023. 63. 12. 2049-2055
- Rintaro Tsuda, Ritsuki Morohoshi, Noriyuki Tsuchida, Tomoya Kawabata. FEM Module Development Considering TRIP for Evaluating Liquefied Hydrogen Storage Tank Deformation under Huge Earthquake. Proceedings of the International Offshore and Polar Engineering Conference. 2023. 3519-3526
- Rafael Magalhães de Melo Freire, Mitsuo Kimura, Tomoya Kawabata. Risk of Hydrogen Embrittlement of SUS316L Welds for Large Capacity Liquefied Hydrogen Storage Tank. Proceedings of the International Offshore and Polar Engineering Conference. 2023. 3454-3461
- Ritsuki Morohoshi, Rintaro Tsuda, Masaharu Hatano, Noriyuki Tsuchida, Tomoya Kawabata. Effect of Stress Field on Martensitic Transformation in Metastable Austenitic Stainless Steel. Proceedings of the International Offshore and Polar Engineering Conference. 2023. 3462-3466
- Tomoya Kawabata. Material Reliable Evaluation Program for a Large Capacity Liquefied Storage Tank in Japan. Proceedings of the International Offshore and Polar Engineering Conference. 2023. 3437-3442
- Takumi Ozawa, Tomoya Kawabata, Yoshiki Mikami. Quantitative evaluation of fracture toughness deterioration due to Pre-strain. Engineering Fracture Mechanics. 2022. 272
- Sohei Kanna, Yoichi Yamashita, Tomoya Kawabata. Assessment criteria for pop-ins generated in welded joints subjected to fracture toughness testing. Journal of Testing and Evaluation. 2022. 50. 3
- 大家 直也, 川畑 友弥, 吉敷 祥一, 中込 忠男. 柱梁接合部の脆性破断評価における縮小試験体使用の課題-脆性破壊特性に及ぼす幾何学寸法効果. 日本建築学会構造系論文集. 2022. 87. 791. 9-19
- Takumi Ozawa, Tomoya Kawabata, Yoshiki Mikami. Proposal of New MOTE Methods for Brittle Fracture Toughness Determination. ISIJ International. 2022. 62. 6. 1301-1311
- Rafael Magalhães de Melo Freire, Naoya Oie, Tomoya Kawabata. Damage Assessment for Steel Structures Subjected to cyclic pre-strain. Procedia Structural Integrity. 2022. 42. 672-679
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