潤滑樹脂被覆鋼板のプレス成形性に及ぼすベース樹脂物性の影響

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書誌事項

タイトル別名
  • Effect of Base Resin Properties on Press Formability of Steel Sheet with a Self-Labricating Resin.
  • ジュンカツ ジュシ ヒフク コウハン ノ プレス セイケイセイ ニ オヨボス

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抄録

Steel sheet coated with a self-lubricating resin consisting of polyvinylbutyral resin with added polyolefin wax was found to have excellent press formability.<br>The self-lubricating property is affected by the degree of cross-linking in the base resin which forms the film and is obtained by baking in the range of 120∼180°C.<br>The effect of the properties of the base resin on press formability was therefore studied using polyvinyl butyral resin.<br>The maximum drawing height of the specimens increased when the specimen temperature during press forming was near the glass transition temperature Tg of the base resin.<br>This was attributed to the fact that the coefficient of friction μ of the base resin reached its minimum value near Tg because the decreaing tensile strength and increasing elongation of the resin at this temperature permitted easier deformation.

収録刊行物

  • 表面技術

    表面技術 44 (8), 667-671, 1993

    一般社団法人 表面技術協会

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