遷移的液相焼結法によるAl-4.5%Cu合金の製造 Production of Al-4.5mass%Cu alloy by transient liquid Phase sintering

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The transient liquid phase (TLP) sintering of Al–4.5 mass%Cu alloy using pure Al powder and Cu powders has been made. In the present investigation, hot pressing was used for the TLP from above the eutectic temperature (821 K) to under it (solid state (SS) sintering) to reveal the effect of liquid phase on sintering characteristics. As a result, the microstructures were composed of α–Al solid solution and CuAl<sub>2</sub> (θ–phase) in any conditions. We confirmed that the characteristic structures which consisted of Cu-poor phase in the vicinity of grain boundaries of α–Al solid solution. The θ–phase formed at the grain boundary by the SS sintered alloy was more continuous than that of the TLP sintered alloy. On the other hand, the Vickers hardness of the SS sintered alloy was slightly larger than that of the TLP sintered alloy. However, the tensile strength, the elongation and the reduction of area of the TLP sintered alloy were higher than on the SS sintered alloy. These results indicate that the liquid phase formed during sintering accelerates effectively the sintering process.

収録刊行物

  • 軽金属

    軽金属 46(4), 171-176, 1996-04-30

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10003793644
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    3947907
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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