TiAl燃焼合成の生成相制御条件の解析 Numerical Analysis of Phase Control Conditions in TiAl Combustion Synthesis

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著者

    • 日比野 敦 HIBINO Atsushi
    • 電気通信大学電気通信学部機械制御工学科 Dept. of Mechanical and Control Eng. Univ. of Electro Communications

抄録

Combustion synthesis process is attracted as new synthesizing technology of TiAI intermetallic compound. However, since the synthesized products tend to be heterogeneous and by-products such as TiAl<SUB>3</SUB> or α, β Ti-Al solid solution are synthesized in addition to TiAl, homogeneous and superior material is not obtained yet. To realize combustion synthesis of the compound, control conditions of microstructure and synthesized phase should be established. In this paper, a numerical model of TiAl combustion synthesis is driven, and combustion behavior and phase control condition are investigated. The numerical analysis is performed by solving the model equations with finite differential method.<BR>From the calculation, the combustion behavior and the compound formation behavior are able to be simulated. At first TiA1<SUB>3</SUB> is formed, secondly Ti-Al solid solution is synthesized. TiAl is formed by reaction between the both compounds. The synthesis process and the synthesized phase are affected by combustion temperature. In case that the temperature is low, the formation reaction of TiAl is inferiority and the synthesized products become to be TiAl<SUB>3</SUB> and Ti-Al solid solution. In case that the combustion temperature is high, TiAl is synthesized. Same result is able to be obtain from the experiment of the TiAl synthesis. TiAl is detected in a sample that the temperature is high, and for the low temperature sample TiAl phase is not found. Therefore, the combustion temperature is important for controlling of the synthesized phases, and it is found that the temperature should be control accurately to obtain the homogeneous and superior compound.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 44(12), 1107-1114, 1997-12-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002014690
  • 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
    4380698
  • 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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