Synthesis of High-Purity Ti_3SiC_2 through Pulse Discharge Sintering of TiH_2/SiC/C Powder Mixture

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著者

    • Zou Yong ZOU Yong
    • Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST)
    • Sun Zheng Ming SUN Zheng Ming
    • Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST)
    • Tada Shuji [他] TADA Shuji
    • Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST)
    • HASHIMOTO Hitoshi
    • Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology (AIST)

抄録

Ternary compound Ti<SUB>3</SUB>SiC<SUB>2</SUB> was successfully synthesized by pulse discharge sintering the powder mixture of TiH<SUB>2</SUB>/SiC/C. When the molar ratio of the starting powder mixture was selected to be TiH<SUB>2</SUB>:SiC:C=2.8:1:0.8, single-phase dense Ti<SUB>3</SUB>SiC<SUB>2</SUB> was synthesized at 1400°C for 20 min. The grain size of synthesized Ti<SUB>3</SUB>SiC<SUB>2</SUB> strongly depends on the sintering temperature. The synthesis mechanism of Ti<SUB>3</SUB>SiC<SUB>2</SUB> was revealed to be completed via the reactions among the intermediate phases of Ti<SUB>5</SUB>Si<SUB>3</SUB>C<SUB>x</SUB> and TiC. It is found that dehydrogenation was accelerated by the synthesis reaction during sintering progress. Compared with Ti/SiC/C powder mixture, the TiH<SUB>2</SUB>/SiC/C mixed powder is favorable for synthesizing Ti<SUB>3</SUB>SiC<SUB>2</SUB> through PDS technique.

収録刊行物

  • Materials transactions  

    Materials transactions 48(2), 133-138, 2007-02-01 

    The Japan Institute of Metals and Materials

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各種コード

  • NII論文ID(NAID)
    10018508487
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    8623591
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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