合金化溶融亜鉛めっき鋼板と裸鋼板を混合打点した抵抗スポット溶接の電極消耗変化 Degradation Mechanism of Electrode Tip during Alternate Resistance Spot Welding of Zinc-coated Galvannealed and Un-coated Steel Sheets

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This study investigated the electrode life and the electrode degradation mechanism during alternate resistance spot welding of galvannealed steel sheets and bare steel sheets. As the result, it was found that the electrode life in this type of welding was extremely short in comparison to welding of only galvannealed steel sheets. The reason for this short life is explained by the sticking of the alloy layers formed on the electrode top to the bare steel sheet surface, so that the narrower and sharper shape as the original electrode top is the better to prolong the life. Although the ring-shape nuggets were not formed during alternate resistance DC welding, the electrode degradation mechanism is similar to that during the resistance DC welding of only galvannealed steel sheets.

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 27(4), 352-359, 2010-01-20

    一般社団法人 溶接学会

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各種コード

  • NII論文ID(NAID)
    10030149586
  • 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  J-STAGE 
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