Friction stir processing of commercial AZ31 magnesium alloy

B. M. Darras, Marwan Khraisheh, F. K. Abu-Farha, M. A. Omar

Research output: Contribution to journalArticle

148 Citations (Scopus)

Abstract

Recently friction stir processing (FSP) has emerged as an effective tool for enhancing sheet metal properties through microstructure modification. Significant grain refinement and homogenization can be achieved in a single FSP pass leading to improved formability, especially at elevated temperatures. FSP is a solid-state process where the material within the processed zone undergoes intense plastic deformation resulting in dynamically recrystallized grain structure. Most of the research conducted on FSP focuses on aluminum alloys. Despite the potential weight reduction that can be achieved using magnesium alloys, very little is reported on FSP of magnesium alloys. In this work, we examine the possibility of using FSP to modify the microstructure and properties of commercial AZ31B-H24 magnesium alloy sheets. The effect of various process parameters on thermal histories, resulting microstructure and properties are investigated. Preliminary results are promising and it is shown that FSP leads to finer and more homogenized grain structure.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalJournal of Materials Processing Technology
Volume191
Issue number1-3
DOIs
Publication statusPublished - 1 Aug 2007
Externally publishedYes

Fingerprint

Magnesium Alloy
Magnesium alloys
Friction
Processing
Microstructure
Crystal microstructure
Formability
Sheet Metal
Grain refinement
Aluminum Alloy
Plastic Deformation
Process Parameters
Sheet metal
Homogenization
Aluminum alloys
Plastic deformation
Refinement

Keywords

  • Friction stir processing
  • Magnesium alloys
  • Microstructure modification
  • Temperature profiles

ASJC Scopus subject areas

  • Materials Science(all)
  • Computer Science Applications
  • Modelling and Simulation
  • Ceramics and Composites
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

Cite this

Friction stir processing of commercial AZ31 magnesium alloy. / Darras, B. M.; Khraisheh, Marwan; Abu-Farha, F. K.; Omar, M. A.

In: Journal of Materials Processing Technology, Vol. 191, No. 1-3, 01.08.2007, p. 77-81.

Research output: Contribution to journalArticle

Darras, B. M. ; Khraisheh, Marwan ; Abu-Farha, F. K. ; Omar, M. A. / Friction stir processing of commercial AZ31 magnesium alloy. In: Journal of Materials Processing Technology. 2007 ; Vol. 191, No. 1-3. pp. 77-81.
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