HIP圧下における反応および焼結を利用したβ-FeSi_2焼結体の作製 Preparation of β-FeSi_2 Using Reaction and Sintering under Hipping Pressure

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著者

    • 細越 隆司 HOSOKOSHI Takashi
    • 東京理科大学理工学部工業化学科 Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
    • 伊藤 滋 ITO Shigeru
    • 東京理科大学理工学部工業化学科 Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
    • 明石 和夫 AKASHI Kazuo
    • 東京理科大学理工学部工業化学科 Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo

抄録

In order to obtain sintered FeSi<SUB>2</SUB>, the mixed powder of Fe and Si has been hipped at below the decomposition temperature of 986°C. In this process, the reaction and the densification have been proceeded simultaneously. Before the hipping of powders, the reaction of Fe plate and Si plate was examined to understand the reaction of Fe and Si under hipping condition. It was found that high temperature and low pressure accelerated the reaction. Based on the results, hipping conditions of the powder were decided. Single phase of FeSi<SUB>2</SUB> was obtained under the hipping condition of 850 - 900°C, 50MPa and 30min -4hours. However, the relative densities of the hipped specimens were 82 - 90%. To obtain higher density, the mixed powder was hipped under 50 MPa to be caused the reaction completely, and then was densified under high pressure of 200MPa. Applying this 2 stage hipping, the relative density increased up to 98%. It is concluded that HIP technique is useful for the materials which transform at high temperature.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(9), 1122-1126, 1996-09-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002013103
  • 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
    4036698
  • 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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