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research article

A new approach to modeling the flow curve of hot deformed austenite

Quelennec, X.
•
Bozzolo, N.
•
Jonas, J.J.
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2011
ISIJ International

A new, more physically realistic and practically useful model is presented for the simulation of high temperature austenite flow curves. It is an extension of our earlier empirical model based on the Avrami kinetics of dynamic recrystallization. In the new approach, the normalization parameter is expressed in terms of the fractional recrystallization and not the amount of softening. Compression experiments carried out on a Nb-modified plain carbon steel enable the simulated flow curves and progress of recrystallization predicted by the two models to be compared.© 2011 ISIJ.

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Type
research article
DOI
10.2355/isijinternational.51.945
Author(s)
Quelennec, X.
Bozzolo, N.
Jonas, J.J.
Loge, R.  
Date Issued

2011

Published in
ISIJ International
Volume

51

Start page

945

End page

950

Subjects

Austenite

•

Avrami kinetics

•

Carbon steel

•

Computer simulation

•

Deformed austenite

•

Dynamic recrystallization

•

Empirical model

•

Flow curve modeling

•

Flow curves

•

Fractional recrystallization

•

High temperature

•

Plain carbon steels

•

Strain hardening

•

Work hardening parameters

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LMTM  
Available on Infoscience
November 14, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/108768
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