原料粉末からみた自動車焼結部品の技術展望 Technical Prospect of PM Parts for Automobile Use from a Viewpoint of Raw Material Powder

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The average weight of powder metallurgy (PM) parts per car was 6.6kg in 1995 in Japan. This report describes tasks for increasing the average weight and the state of development of raw powders as it relates to those tasks. (1) To improve basic properties of parts, new powders for control of microstructure of PM material by alloying and heat-treatment, , and densification by new compacting and sintering methods are continuing to be developed. (2) For higher value-added PM parts, pre-mixed segregation-free powders have been developed. (2)-1 New raw powders to stabilize feeding into the cavity of the forming die and a new compacting technique are expected, and will contribute to improved stability of PM part quality and dimensional accuracy. (2)-2 Powder with AC magnetic properties is under development to add functional performance to PM parts. (3) To reduce production costs by improving productivity, powders which will make it possible to omit machining, heat-treatment, and similar processes after sintering are being developed.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 44(5), 470-474, 1997-05-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002013841
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4205771
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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