Koji Mimura
Kobe University
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Featured researches published by Koji Mimura.
Archive | 1995
Yoshihiro Tomita; Koji Mimura
A thermo-elasto-viscoplastic constitutive equation expressing the strain-rate- and temperature-history dependence of the flow stress under rapid change in strain rate and temperature during the deformation processes has been developed. By means of full plane-strain finite element analysis, dynamic flow localization in tension of thermo-elastoviscoplastic blocks under a wide range of deformation rates has been investigated numerically.
Advances in Engineering Plasticity and its Applications | 1993
Yoshihiro Tomita; Koji Mimura
The material strain rate and temperature sensitivities are incorporated into a numerical simulation of tension and compression of the plane strain blocks under a wide range of deformation rates. The effect of deformation rate, strain rate and temperature sensitivities of the materials, the strain rate history dependence of the material and the size of the specimen on the flow localization is explored.
Mechanical Behaviour of Materials VI#R##N#Proceedings of the Sixth International Conference, Kyoto, Japan, 29 July℃2 August 1991 | 1992
Koji Mimura; Akio Shindo
ABSTRACT The constitutive model with a modified anisotropic yield function and a nonlinear kinematic hardening rule is proposed for the description of inelastic behaviour of metallic materials under nonproportional loading. The experimental verification by using bilinear plastic strain paths was also carried out on S21C and A2017 aluminum alloy and the experimental results were compared with the numerical simulation based on the proposed model.
EPJ Web of Conferences | 2018
Tsutomu Umeda; Koji Mimura
The Proceedings of Conference of Kansai Branch | 2017
Masaaki Hashimoto; Masashi Ueda; Isamu Riku; Koji Mimura
The Proceedings of Conference of Kansai Branch | 2017
Shota Inada; Yuji Ueno; Nobuyuki Hirota; Koji Mimura; Isamu Riku; Tsutomu Umeda; Toru Tsuda; Jun Abe; Takashi Numata
The Proceedings of Conference of Kansai Branch | 2017
Ryosuke Kuroki; Keiichiro Mioki; Tomoyuki Amada; Koji Mimura; Tsutomu Umeda; Isamu Riku; Koji Miyoshi
The Proceedings of Conference of Kansai Branch | 2017
Kenichiro Hashimoto; Fumiyuki Ohara; Kazuaki Hino; Hiroaki Hashimoto; Koji Mimura; Tsutomu Umeda; Isamu Riku
The Proceedings of the Materials and Mechanics Conference | 2016
Masaaki Hashimoto; Isamu Riku; Koji Mimura
The Proceedings of The Computational Mechanics Conference | 2016
Isamu Riku; Koji Mimura
