射出成形法による金属間化合物FeAl(Fe-40at%Al)の特性 The Properties of FeAl Intermetallic Compounds(Fe-40at%Al)Prepared by Injection Molding

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In this paper, application of metal injection molding to FeAl intermetallic compounds and the properties of sintered FeAl compacts were described. The powder material was pre-alloyed powder(Fe-40at% Al) manufactured by SHS process, which had average particle size of 4.0μm. Consolidation process by sintering, microstructure and mechanical properties of sintered compacts were investigated. The results obtained in this study were summarized as follows:<BR>(1) Relative density of the compact sintered at 1523K for 7.2ksec in vacuum(10°Pa order) was 94%. At this sintered condition, apparent porosity was almost zero. Raising sintering temperature to 1548K, relative density was improved to 99%.<BR>(2) The sintered compact had the microstructure in which fine particles considered as aluminium oxide were dispersed in the matrix of single phase of B2(FeAl).<BR>(3) The compact sintered at 1523K for 7.2ksec gave 0.2% proof stress of 340MPa, tensile strength of 630MPa and elongation of 3.4% at room temperature.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 44(3), 288-293, 1997-03-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002013706
  • 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
    4172715
  • 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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