Inhomogeneous 3D Finite Element Model for Prediction of Free Surface Roughening

被引：8
|
作者：
Furushima, Tsuyoshi [1 ]
Masuda, Tetsuro [1 ]
Manabe, Ken-ichi [1 ]
Alexandrov, Sergei [2 ]
机构：
[1] Tokyo Metropolitan Univ, Dept Mech Engn, 1-1 Minami Ohsawa, Hachioji, Tokyo 1920397, Japan
[2] Russian Acad Sci, Ishlinskii Inst Prob Mech, Moscow 19526, Russia
来源：
MATERIALS PROCESSING TECHNOLOGY, PTS 1-3 | 2012年 / 418-420卷
关键词：
Free surface roughening; material Inhomogeneity; FEM;
D O I：
10.4028/www.scientific.net/AMR.418-420.1040
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, we evaluated the characteristics of 3D finite element (FE) model considering material inhomogeneity for prediction of free surface roughening. Free surface roughening behavior can be observed by this model. The variation in material inhomogeneity parameter value has a strong correlation with the rate of increase in the surface roughness. macroscopic strength coefficient K value does absolutely not affect the rate of increasing surface roughness. Strain hardening sensitivity index n value slightly affects the free surface roughening behavior. The true stress - true strain curve of the inhomogeneous FE model is in good agreement with those of the homogeneous FE model and the experimental result. As a result, the characteristics evaluation of suggested model considering material inhomogeneity is conducted.
引用
收藏
页码：1040 / +
页数：2
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