Grain structure evolution during friction-stir welding of AZ31 magnesium alloy

U. F.H.R. Suhuddin, S. Mironov, Y. S. Sato, H. Kokawa, C. W. Lee

Research output: Contribution to journalArticle

158 Citations (Scopus)

Abstract

The high-resolution electron back-scatter diffraction technique was employed to study the grain structure evolution during friction-stir welding of AZ31 magnesium alloy. The material flow was found to be a very complex process associated mainly with basal slip. The grain structure development was demonstrated to be dictated by the texture evolution but also to involve {1 0 over(1, ̄) 2} twinning, geometrical effects of strain and limited discontinuous recrystallization.

Original languageEnglish
Pages (from-to)5406-5418
Number of pages13
JournalActa Materialia
Volume57
Issue number18
DOIs
Publication statusPublished - 2009 Oct 1

Keywords

  • Electron back-scatter diffraction
  • Friction-stir welding
  • Magnesium alloys
  • Microstructure
  • Texture

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Polymers and Plastics
  • Metals and Alloys

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