ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Prediction of Interpass Softening from the Strain Hardening Rate Prior to Unloading
E. I. PoliakJ. J. Jonas
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2004 Volume 44 Issue 11 Pages 1874-1881

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Abstract

It is shown experimentally that the kinetics of interpass softening, normally described in terms of the strain, strain rate and temperature, can be more conveniently specified as a function of the strain hardening rate, strain rate and temperature prior to unloading. This approach significantly reduces the number of experiments required to generate sufficient data for modeling purposes. It also eliminates the need to determine the retained strain to predict the softening kinetics in multi-hit deformation and simplifies the extrapolation of laboratory data to the conditions of industrial processing.

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© The Iron and Steel Institute of Japan
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