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Modelling time-dependent nucleation of recrystallization in aluminium alloys

Abstract

The basic equations and mathematical framework of a mean-field model for recovery and recrystallization, the latter based on the Johnson-Mehl-Avrami-Kolmogorov (JMAK) approach, capable of handling time-dependent nucleation of recrystallization, is presented. Different approaches to account for time-dependent nucleation are discussed. A physically-based nucleation model where “nucleation” of recrystallization is brought about by “abnormal” subgrain growth seems most appealing, in terms of realism and mathematical convenience. Its implementation and effects on the recrystallization behavior are demonstrated through an example of back-annealing after cold deformation of a generic aluminium alloy case

Category

Academic article

Client

  • Research Council of Norway (RCN) / 193179

Language

English

Author(s)

Affiliation

  • Norwegian University of Science and Technology
  • SINTEF Industry / Materials and Nanotechnology
  • Norsk Hydro ASA

Year

2013

Published in

Materials Science Forum

ISSN

0255-5476

Publisher

Trans Tech Publications

Volume

753

Page(s)

147 - 152

View this publication at Cristin