直接押出ビレット表層の変形挙動に及ぼすビレット後端面潤滑条件の影響 Effect of back end lubricant conditions on billet skin behavior in direct extrusion

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抄録

Study on metal flow in extrusion billet is fundamental and useful to understand extrusion technology. In particular, knowing the skin behavior of extrusion billet is indispensable to maintain qualities of extrusions. In order to investigate its behavior, the FE analysis by DEFORM-2D<sup>TM</sup> was performed. The billet skin was piled up at the back end of billet in direct extrusion. The skin behavior in single layer model analysis was similar to that of 2 layer model analysis. Therefore, single layer model analysis can investigate the skin behavior. Friction between billet back end and ram affected the behavior of billet skin. High lubricant accelerated thin skin 2.1% of billet diameter entering extrusion, but it constraint thick skin 6.4% of billet diameter entering extrusion.

収録刊行物

  • 軽金属  

    軽金属 58(5), 189-193, 2008-05-30 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10021989173
  • 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
    9536080
  • 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  NDL  J-STAGE 
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