Coupling of local texture and microstructure evolution during restoration processes in aluminum deformed to large strains

Niels Hansen, Tianbo Yu, Oleg Mishin, Xiaoxu Huang

Research output: Contribution to journalConference articleResearchpeer-review

Abstract

The coupling between local texture and microstructure is analyzed during restoration processes in aluminum cold-rolled to high and ultrahigh strains. The deformed microstructure is composed of lamellae with orientations of rolling texture components that occupy different volume fractions and vary in the spatial distribution. The individual lamellae are separated by low and high angle boundaries and significant local differences are produced in the deformed microstructure both in terms of the stored energy and boundary mobility. These differences influence recovery and recrystallization processes, resulting in significant local variations in mechanisms and kinetics of these processes. The observations suggest that the characterization of the local texture and microstructure both in the deformed state and after annealing is important in order to underpin the analysis of recovery and recrystallization on the sample scale. © (2013) Trans Tech Publications, Switzerland.
Original languageEnglish
JournalMaterials Science Forum
Volume753
Pages (from-to)251-256
ISSN0255-5476
DOIs
Publication statusPublished - 2013
Event5th International Conference on Recrystallization and Grain Growth - Sydney, Australia
Duration: 5 May 201310 May 2013

Conference

Conference5th International Conference on Recrystallization and Grain Growth
CountryAustralia
CitySydney
Period05/05/201310/05/2013

Keywords

  • Aluminum
  • Compressible flow
  • Crystallization
  • Deformation
  • Grain growth
  • Microstructure
  • Recovery
  • Recrystallization (metallurgy)
  • Restoration
  • Textures
  • Crystal microstructure

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