放電プラズマ -燃焼合成法により作製したTi-Al金属間化合物系複合材料の形成過程とその組織 The Formation Mechanism and the Microstructure of Ti-Al Intermetallic Compound System Composite Materials Fabricated by Spark Plasma-combustion Synthesis Method

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The aims of this study were to observe the microstructure and the tormed phases of Ti-Al intermetallic compound system composites made by spark plasma-combustion synthesis and to investigate the phase formation mechanism.<BR>During the spark plasma sintering of the Ti:Al=1:1 powders, combustion synthesis was indicated by the abruptly shringkage in sample volume at Al melting point. The microstructure and the formed phase of spark plasma-combustion synthesized composites varied according to Ti particle size. For example, TiAl<SUB>3</SUB> phases were formed when 100μm Ti powders were used, and TiAl, Ti<SUB>2</SUB>Al and Ti<SUB>3</SUB>Al phases were formed when 10μm Ti powders were used (the sintering temperature was 973K). The formation mechanism of compounds using spark plasma sintering has two processes; combustion synthesis at Al melting point and diffusion in the high temperature region.

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), 438-443, 1996-04-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002011856
  • 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
    3954804
  • 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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