Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Numerical Analysis of Plastic Strain Distribution through Multi-directional Deformation
Tadanobu INOUEShiro TORIZUKAKotobu NAGAI
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2000 Volume 86 Issue 12 Pages 793-800

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Abstract

The plastic strain in a specimen introduced by compression with a pair of anvils is evaluated using a three-dimensional dynamic finite element analysis. The stress-strain relations depending on strain rate and temperature are used in the analysis. The contact condition between the anvil and the specimen is determined from the experimental result from an identically deformed screw set in the specimen. The plastic strain introduced by uni-directional compression is compared with that by bi-directional compression non-simultaneously given from different directions. The bi-directional deformation is proposed as a method to introduce large plastic strain widely in the specimen. The bi-directional deformation can be developed as a technique to obtain ultra-fine grain steels for thick plates.

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© The Iron and Steel Institute of Japan
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