Ni基超・超合金製ツールによるSUS430薄板の摩擦攪拌接合 Friction Stir Welding in Stainless Steel Sheet of Type 430 using Ni-base Dual Two-phase Intermetallic Alloy Tool

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Ferritic stainless steel SUS430 sheets were friction stir welded by using a Ni-base dual two-phase intermetallic alloy tool. After friction stir welding, the SUS430 work and the tools were evaluated in terms of microstructure and mechanical properties. The tensile specimens cut from the welded joints fractured in the base metal portion and their fracture strength was equal to that of the base metal. The stir zone comprised of recrystallized fine microstructure was observed, and also the thermo-mechanically affected zone was observed in an advanced side. Hardness in the upper one third layer of the welded cross section was higher than the base metal. The admixture matter from work to tool surface occurred while that from tool to work surface did not take place in the SEM-EPMA resolution level. The amount of wear of tool was negligibly small, suggesting that the Ni-base dual two-phase intermetallic alloy is promising as a new type of friction stir welding tool used for high melting materials such as steel.

収録刊行物

  • 溶接学会論文集 : quarterly journal of the Japan Welding Society

    溶接学会論文集 : quarterly journal of the Japan Welding Society 28(1), 116-122, 2010-12-31

    一般社団法人 溶接学会

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各種コード

  • NII論文ID(NAID)
    10030149835
  • NII書誌ID(NCID)
    AN1005067X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    02884771
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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