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Title: Prediction of differential work-hardening behavior under biaxial tension of steel sheet using crystal plasticity models
Authors: Hama, Takayuki  kyouindb  KAKEN_id
Fujimoto, Hitoshi  kyouindb  KAKEN_id  orcid (unconfirmed)
Takuda, Hirohiko
Author's alias: 濵, 孝之
藤本, 仁
宅田, 裕彦
Keywords: Contour of equal plastic work
Steel sheet
Crystal plasticity
Dislocation density
Interaction matrix
Issue Date: 2018
Publisher: Elsevier B.V.
Journal title: Procedia Manufacturing
Volume: 15
Start page: 1808
End page: 1815
Abstract: 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.
Description: 17th International Conference on Metal Forming, Metal Forming 2018, 16-19 September 2018, Toyohashi, Japan
Rights: © 2018 The Authors. Under a Creative Commons license. Published by Elsevier B.V.
DOI(Published Version): 10.1016/j.promfg.2018.07.210
Appears in Collections:Journal Articles

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