β-Ti基硬質焼結材料の開発 Development of Sintered β-titanium Base Hard Alloy

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Ti-Mo alloys have difficulties in manufacturing by melting-casting process because of its heavy gravitational segregation.<BR>Sintered Ti-Mo and Ti-Mo-TiC alloys were developed by the powder metallurgical process, and their microstructures, mechanical properties and corrosion behaviors were investigated.<BR>Ti-30mass%Mo alloy was consisted of β-Ti phase, its corrosion resistance in 35%HCI solution was far better than that of pure titanium, this was thought to be caused by the spontaneously passivated film, in which molybdenum was enriched by preferential dissolution of titanium, suppressing the anodic reaction.<BR>Ti-Mo-(33 - 80) mass%TiC alloy had two phases of TiC<SUB>x</SUB> and β-Ti phases, and increasing the TiC content increased the hardness, and maximum hardness of HRC 66 was obtained in Ti-Mo-45mass%TiC alloy, but slightly decreased the transverse-rupture-strength. Its potentiodynamic curve revealed also same as that of Ti-30mass%Mo alloy. In conseqence of these results, this alloy was thought to have both wear resistance and corrosion resistance.

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), 301-307, 1997-03-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002013741
  • 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
    4172717
  • 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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