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ID 47022
フルテキストURL
著者
Abe, Takeji Graduate School of Natural Science and Technology, Okayama University
Nagao, Makoto Graduate School of Natural Science and Technology, Okayama University
Ohta, Tomoyuki Graduate School of Natural Science and Technology, Okayama University
Nagayama, Noriyuki Technological Research Center of Okayama Prefecture
抄録
It is important to study the microscopic deformation behavior of inhomogeneous material, for most engineering materials are inhomogeneous. The aim of the present study is to clarify by numerical analysis some features of microscopic plastic strain distributions, the mean flow stress and the material factors affecting on it. The rigid-plastic solution is important not only for plastic deformation problems with large strain, but also for creep deformation problems through the plastic analogy in the creep analysis. The effects of material parameter and loading conditions on the deformation behavior of the material are examined and discussed based on the result of calculation. The effects of the aspect ratio of the inhomogeneous regions on the deformation mode are studied. The patterns of the strain concentration and the averaged flow stress of the inhomogeneous material are also discussed. The results of rigid-plastic material are compared with those of the elastic material.
キーワード
Plasticity
Deformation
Inhomogeneous Material
Strain Concentration Coefficient
Rigid-Plastic FEM
発行日
2002-03
出版物タイトル
Memoirs of the Faculty of Engineering, Okayama University
36巻
2号
出版者
Faculty of Engineering, Okayama University
開始ページ
7
終了ページ
13
ISSN
0475-0071
NCID
AA10699856
資料タイプ
紀要論文
言語
English
論文のバージョン
publisher
査読
無し
Eprints Journal Name
mfe