過共晶Al-Si系合金の被削性に及ぼすCuおよびMg添加の影響 Effects of the addition of Cu and Mg on the machimability of hyper-eutectic Al-Si system alloys

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抄録

In turning of hyper-eutectic Al–Si system casting alloy, it is desirable to add Cu less than about 0.5% and as little Mg as possible in that alloy for the tool wear, because the tool wear remarkably increases by adding Cu or Mg to that alloy. While, in that alloy (JIS AC9A or AC9B) containing both of Cu and Mg each 0.5~1.5%, the refinement of primary silicon in that alloy by casting to a metallic mold having larger cooling rate during solidification than a sand mold, and use of cutting oil in turning of that alloy are very effective in decreasing the tool wear. The finished surface roughness of that alloy is effectively improved and the size of chip becomes remarkably fine by adding Cu or Mg.

収録刊行物

  • 軽金属

    軽金属 47(2), 78-83, 1997-02-28

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10003794979
  • 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
    4139955
  • 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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