Microstructural evolution on streamlines during hot strip rolling using internal state variables

Mostafa Toloui, S. Serajzadeh

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

In this work, a numerical-based model has been proposed to calculate distributions of temperature, strain and strain rate during hot rolling as well as the subsequent microstructural changes after hot rolling of an aluminum alloy. For doing so, a transient finite difference analysis together with a stream function method have been coupled to calculate temperature distribution and velocity field within the rolling metal. A new approach considering internal state variables method has been employed to predict the kinetics of static recrystallization after hot rolling. The predicted results were then compared with the experimental ones and a good consistency was observed between the two sets of data.

Original languageEnglish (US)
Pages (from-to)1717-1728
Number of pages12
JournalJournal of Materials Processing Technology
Volume209
Issue number4
DOIs
StatePublished - Feb 19 2009

Keywords

  • Hot rolling
  • Internal state variables
  • Stream function method

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