電磁シーム溶接における間隙の効果と特徴 Effect of Gap and Characteristics on Seam Welding by Applying Magnetic Pressure

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The seam welding described in this paper is particularly effective for dissimilar sheet metals with different conductivities, for example, Al⁄Fe. Because the aluminum sheet with high conductivity is able to obtain sufficient energy from an electric circuit, this sheet is accelerated by a high magnetic pressure and collides with the fixed steel sheet. Both these surfaces can be clarified by the effect of the collision, and then joined with each other by both the magnetic pressure and the joule heat generated in the aluminum sheet. In this method, the steel sheet can also be thick because the sheet is placed on the outside of a welding coil. Therefore, it is possible to weld the aluminum sheet to a flat surface on a square pipe of steel or to a tee joint. The effect of a gap between two aluminum sheets (1mm thick each) is examined for comparison with another seam welding method that we have reported. The collision velocity calculated from the collision time becomes half of that obtained by another method but is more than 100 m⁄s, and the welded sheet has a large shearing tensile strength. The bank energy required for welding a 5×50 mm<sup>2</sup> area is about 1 kJ by generating the gap between the two aluminum sheets.

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  • 塑性と加工 = JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY

    塑性と加工 = JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY 48(555), 323-327, 2007-04-25

    The Japan Society for Technology of Plasticity

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各種コード

  • NII論文ID(NAID)
    10018418045
  • NII書誌ID(NCID)
    AN00135062
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00381586
  • NDL 記事登録ID
    8802330
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-218
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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