Synthèse
Volume 5, Numéro 1, Pages 58-63
1999-06-30
Ajustement De La Contrainte D'ecoulement D'un Acier Microallie
Authors : Darsouni A. . Bouzabata N. . Montheillet F. .
Abstract
An. investigation has been carried out using a microalloyed steel from a hot compression tests. In the first part of thIS work. the rheologic parameters such as strain rate sensitivity and the apparent activation energy were determinated. Using the strain-deformation curves. It was found a specific behavior in the two phase range due to both gram Size and dynamic recrislallisation. In the second part of this work the predictions model of the flow stress are compared to experimental results and are shown to be in good agreement ..w.i.t.h them
Keywords
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