アルミニウムフィン材の加工性に及ぼす皮膜潤滑性の影響 Influence of surface coating lubricity on aluminum fin-stock formability

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We studied the influence of surface coating lubricity on pre-coated aluminum fin stock formability using evaporative lubricants, which was widely used. We controlled the surface friction of pre-coated aluminum fin stocks from 0.05 to 0.8 by the lubricant layer with water-soluble resin coated on hydrophilic layer with alkaline silicate and poly acrylic acid. On the continuous piercing test, according as the surface friction of pre-coated aluminum fin stock was decreased, the wear of piercing tool was decreased and was protected increase of piercing edge <i>R</i>. In case of drowless type forming used bigger piercing edge <i>R</i>, the collar cracking of fins was increased. Therefore, we consider that it has effect of decreasing the collar cracking to decrease the surface friction. On the continuous shearing test, according as the surface friction of that was decreased, the wear of shearing tool was decreased, so that the shearing burr height was depressed. Moreover, in the process of expanding copper tube, according as the surface friction of that was decreased, 'avec' phenomenon (fin-pitch disorder of the finned coil) was decreased.

収録刊行物

  • 軽金属  

    軽金属 50(5), 210-215, 2000-05-30 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10004548976
  • 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
    5349174
  • 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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