Microstructural factors governing mechanical properties in friction stir welds

Yutaka S. Sato, Hiroyuki Kokawa

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Friction stir welding (FSW) is a solid-state joining process. During FSW, microstructure drastically changes in local region of the workpiece by introduction of frictional heat and severe plastic deformation arising from rotation of the welding tool, which results in inhomogeneous microstructural distribution in the welds. To maintain high reliability of the structure produced by FSW, precise understanding of microstructural factors governing weld properties is required. In the present paper, microstructural factors governing mechanical properties, especially hardness profile and tensile properties, of friction stir welded Al and Mg alloys are reviewed.

Original languageEnglish
Pages (from-to)1493-1496
Number of pages4
JournalKey Engineering Materials
Volume345-346 II
Publication statusPublished - 2007 Jan 1


  • Friction stir welding
  • Hardness profile
  • Microstructure
  • Tensile properties

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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