MIMプロセスによる高性能鉄系摺動材料の開発 Development of High Performance Ferrous Sliding Abrasive Wear-Resistant Materials Through MIM Process

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Metal injection molding (MIM) is a suitable processing route for the mass production of complex-shaped and high performance components. Therefore, MIM process is hoped to be quite useful for improvement of the quality and productivity in the automotive sintered parts.<BR>This study has been performed to develop the high performance ferrous sliding abrasive wear-resistant materials through MIM process. A prealloyed powder (SCM440) was used as the matrix and also 3mass%TiN powder was added to improve the wear-resistance. Those compacts were densified to about 95% of relative by sintering, and the final carbon content was almost exactly controlled to be 0.4mass% by adjusting the debinding and sintering atmospheres and conditions. Sintered compacts showed the dual homogeneous microstructures consisted of ferrite and fine pearlite, and the pores and TiN powder particles were distributed uniformly, regardless of the injecting direction. Thus, the wear characteristics were not influenced by the injecting direction. Injection molded SCM440 steel showed the same wear-resistance as the wrought SCM440 steel. However, addition of 3mass%TiN powder caused a remarkable improvement of wear-resistance, which indicate that MIM process has enormous potential to produce high performance ferrous composites for the automotive parts.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 43(11), 1333-1338, 1996-11-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002261007
  • 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
    4077937
  • 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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