高強度・高切削性鋳鉄シリンダブロックの開発 Development of High Strength Cast Iron Cylinder Block Assuring High Machinability

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抄録

  To improve the product competitiveness (functional improvement) of cast iron cylinder blocks, it is necessary to increase the material strength. Increasing the strength of the casting before machining is essential for this purpose, but will, with the existing technology, worsen the machinability and lower the productivity. In order to establish a new technology which satisfies both the material strength and machinability, we have analyzed both the materials and machining. The results, indicate that the material strength can be increased by graphite grain refinement and that the machinability can be improved by the mechanism consisting of (1) graphite chipping action by graphite grain refinement and (2) lubrication and protection by composite oxides at the tool surface. We have also succeeded in developing a manufacturing technology for controlling graphite refinement and composite oxides by molten metal treatment in the casting process.

収録刊行物

  • 鋳造工学 = Journal of Japan Foundry Engineering Society  

    鋳造工学 = Journal of Japan Foundry Engineering Society 70(6), 396-401, 1998-06 

    Japan Foundry Engineering Society

参考文献:  12件

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各種コード

  • NII論文ID(NAID)
    10002553887
  • NII書誌ID(NCID)
    AN10514770
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13420429
  • NDL 記事登録ID
    4502308
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-277
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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