Friction Stir Welding of Mg-Al-Zn Alloys(Physics, Processes, Instruments & Measurements)

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Abstract

Extruded and cast plates of AZ type magnesium alloys were successfully joined by friction stir welding (FSW). The effects of FSW conditions on the formation of defects were revealed in relation to tool rotation speed and specimen travel speed. Magnesium alloys with higher aluminum contents became difficult to be joined and the optimum condition without defect was restricted in a narrow condition range. The structure of the stirred zone was a fine-grained recrystallized structure even in the case of cast AZ91D. FSW joints had better mechanical properties than those of GTA welded joints. In particular the toughness of the stirred zone increased more than that of the base metal.

Journal

  • Trans. JWRI

    Trans. JWRI 31 141-146, 2002

    Osaka University

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Details 詳細情報について

  • CRID
    1572261552186455680
  • NII Article ID
    110006486150
  • NII Book ID
    AA00867058
  • ISSN
    03874508
  • Text Lang
    en
  • Data Source
    • CiNii Articles

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