素粉末混合法による粒子強化型Ti_3Al基複合材料の製造および機械的性質 Processing Condition and Mechanical Properties of Blended Elemental P/M Particulate-reinforced Ti_3EAl Intermetallics Matrix Composite

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抄録

To improve the high temperature performance of Ti<SUB>3</SUB>Al intermetallics, 10wt% TiB ceramic particulate reinforced Ti-24Al-11Nb(at%) matrix composites have been produced by blended elemental (BE) powder metallurgy method. Pure titanium powder, Nb-Al master alloy powder and TiB2 ceramic powder were used as the starting materials. TiB particulate reinforcements were dispersed in-situ in the matrix during the vacuum sintering. By using finer starting powder (45μm) and sintering at higher temperature (1823K), homogeneous dispersion of TiB particulates was attained. The density of the composite was also increased with the decrement of the size of starting powders and the increment of the sintering temperature. The results of high temperature tensile and creep tests indicated that high temperature mechanical properties of Ti-24Al-11Nb/TiB composites were superior to those of the unreinforced Ti-24Al-11Nb.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(4), 433-437, 1996-04-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002011849
  • 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
    3954803
  • 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  NDL  J-STAGE 
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