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A new flow behaviour model for the austenite at high temperature

Published online by Cambridge University Press:  31 January 2014

A. Perlade  and
R. Jacolot

Abstract

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A model has been developed to describe the rheology of austenite at high temperatures, characteristic from hot strip rolling of low-alloyed steels. It is based on the evolution of a single dislocation density through storage and strain rate-dependent dynamic recovery. The model gives good predictions of the stress-strain curves in a wide range of temperatures, strain rates and chemical compositions. It is now applied on industrial hot strip mills to predict the rolling loads of a wide range of industrial steels.

Keywords

austenitedislocation densityflow stressrolling loads prediction
Type
Short Communication
Information
Metallurgical Research & Technology , Volume 110 , Issue 6 , 2013 , pp. 429 - 431
Copyright
© EDP Sciences 2014

References

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