ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Development of Novel Methods for Compensation of Stress-strain Curves
Yun Ping LiEmi OnoderaHiroaki MatsumotoYuichiro KoizumiShu YuAkihiko Chiba
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2011 Volume 51 Issue 5 Pages 782-787

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Abstract

In this study, we analyze in detail the stress variation due to friction between the top surface of a cylindrical sample and the anvil surface by carrying out FEM analysis. We propose pragmatic and simple approaches to compensate the stress-strain curve for both Rastegaev-geometry samples and arbitrary cylindrical samples. By using these equations, the compensation process becomes easy and convenient, and the compensated flow stresses are reliable for the compression process of 5065B aluminum alloy.

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© 2011 by The Iron and Steel Institute of Japan
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