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タイトル: Prediction of differential work-hardening behavior under biaxial tension of steel sheet using crystal plasticity models
著者: Hama, Takayuki  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-6464-9947 (unconfirmed)
Fujimoto, Hitoshi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-6772-1097 (unconfirmed)
Takuda, Hirohiko
著者名の別形: 濵, 孝之
藤本, 仁
宅田, 裕彦
キーワード: Contour of equal plastic work
Steel sheet
Crystal plasticity
Dislocation density
Interaction matrix
発行日: 2018
出版者: Elsevier B.V.
誌名: Procedia Manufacturing
巻: 15
開始ページ: 1808
終了ページ: 1815
抄録: Evolution of plastic contour of a steel sheet was predicted using various crystal plasticity models, including a phenomenological and dislocation-based hardening model. The evolution of plastic contour was different depending on the model, but none of the models used could predict differential work-hardening behavior observed in experiments. The simulation results showed that the {110} and {112} slip activities were significantly different depending on the stress ratio, suggesting that the differences in the strengths between the {110} and {112} slip systems would play an important role in the evolution of the contour.
記述: 17th International Conference on Metal Forming, Metal Forming 2018, 16-19 September 2018, Toyohashi, Japan
著作権等: © 2018 The Authors. Under a Creative Commons license. Published by Elsevier B.V.
URI: http://hdl.handle.net/2433/235737
DOI(出版社版): 10.1016/j.promfg.2018.07.210
出現コレクション:学術雑誌掲載論文等

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