メカニカルアロイングを用いた微細TiC分散合金の作製 Preparation of fine TiC dispersed alloy by mechanical alloying

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著者

    • 杉山 明 SUGIYAMA Akira
    • 名古屋工業技術研究所材料プロセス部 Materials Processing Department, National Industrial Research Institute of Nagoya
    • 小林 慶三 KOBAYASHI Keizo
    • 名古屋工業技術研究所材料プロセス部 Materials Processing Department, National Industrial Research Institute of Nagoya
    • 尾崎 公洋 OZAKI Kimihiro
    • 名古屋工業技術研究所材料プロセス部 Materials Processing Department, National Industrial Research Institute of Nagoya

抄録

The formation of ultra fine TiC dispersed alloy by mechanical alloying (MA) and spark plasma sintering (SPS) has been investigated. The composition of Ti<SUB>x</SUB>C<SUB>100-x</SUB> (x=50-80)-20mass%Ni(called cermet) and that of Ti<SUB>50</SUB>Ni<SUB>x</SUB> C<SUB>50-x</SUB> (x=20-45) (called NiTi alloy) alloy powder have been synthesized by MA of three kinds of elemental powders. During MA, TiC-Ni consolidation was formed in the vessel for the composition of less than 65at.%Ti mixture. In the case of cermet, after MA, for the composition of more than 70at.% Ti mixture, C and Ni powders were added to MA powder in order to make the total composition of Ti<SUB>50</SUB>C<SUB>50</SUB>-20mass%Ni cermet. The powder mixture of cermet and NiTi alloy was consolidated by SPS method at 1073K. The size of sintered body was φ15×3mm. This sintered body consisted of TiC, Ni, and Ni-Ti alloy. It was found that the ultra fine TiC (<1000nm) had been formed during SPS process by using Ti<SUB>75</SUB>C<SUB>25</SUB>-20mass%Ni+C+Ni powder. This ultra fine TiC was dispersed homogeneously in the cermet. In the case of NiTi alloy, the fine TiC was not observed in the sintered sample. And the sample of Ti<SUB>50</SUB>Ni<SUB>x</SUB>C<SUB>50-x</SUB> alloy was very brittle.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 45(4), 341-345, 1998-04-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002015453
  • 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
    4459418
  • 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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