ADC12/5052アルミニウム合金異材摩擦攪拌接合継手における引張強さと断面硬さ分布の関係 Relation of tensile strength and hardness distribution in friction stir welded joints of ADC12/5052 dissimilar aluminum alloys

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ADC12 and 5052 dissimilar aluminum alloys have been connected by friction stir welding (FSW). The temperatures at the stir zone and at four points on each outside of the joint line were measured during FSW in various conditions. After FSW, the tensile test was carried out in the direction perpendicular to the joint line. Tensile strength did not depend on the traveling speed, and indicated an almost constant value by about 88% of mother material strength. However, the necking feature in the breaking part was influenced by the traveling speed. That is, the necking was caused at low traveling speeds of FSW while it was hardly caused at high traveling speeds. The two-dimensional hardness distribution in the WD section was measured for various FSW conditions. The material flow with stirring and the spatial difference of the hardness distribution appeared at various traveling speeds. The stirred region consisting of stir zone and thermomechanical affected zone and the softened part in the stir zone were wider in the 5052 side at lower traveling speed. Softening in the 5052 side was scarcely observed in high traveling speeds. Moreover, the difference of softening in this 5052 was attributed to a difference in the heat input by changing the traveling speed.

収録刊行物

  • 軽金属  

    軽金属 58(4), 146-150, 2008-04-30 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10021989077
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    9496658
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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