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Deformation mechanisms of single crystals and bicrystals subjected to equal-channel angular pressing - Review

  • CAS - Institute of Metal Research
  • Monash University

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

3 Scopus citations

Abstract

The deformation mechanisms of various kinds of single crystals and bicrystals during the process of equal channel angular pressing (ECAP) have been paid more attention world wide. This paper reviews the recent progresses in the understanding of the deformation mechanisms of single crystals and bicrystals subjected to one-pass ECAP, and discusses the effect of initial crystallographic orientation and grain boundary on the microstructural evolution of these crystals. Based on those experimental results and analysis, it is suggested that in addition to the shear deformation along the intersection plane (IP) of ECAP die, the shear along the normal of IP also plays an important role in affecting the microstructural evolution and deformation mechanisms of these single crystals and bicrystals.

Original languageEnglish
Title of host publicationDuctility of Bulk Nanostructured Materials
PublisherTrans Tech Publications Ltd
Pages511-525
Number of pages15
ISBN (Print)0878493050, 9780878493050
DOIs
StatePublished - 2010
Externally publishedYes

Publication series

NameMaterials Science Forum
Volume633-634
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Keywords

  • Bicrystals
  • Deformation twinning
  • Equal channel angular pressing (ECAP)
  • Shear deformation
  • Single crystals

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