素粉末混合法によるTi-6Al-4V合金の焼結・鍛造特性 Sintering and Forging Characteristics of Sintered Ti-6Al-4V Alloy Produced by Blended Elemental Method

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In the process of production of Ti-6Al-4V alloy, which consists of blending of extra-low-chlorine T i and 60mass%Al-40mass%V master alloy, cold compaction, vacuum sintering and hot forging, the influence of compaction stress and sintering conditions on the density of sintered compacts and various forging characteristics of the sintered compacts were investigated.<BR>The increasing rate of the compact density during heating up to sintering temperature depends on density of the green compact and heating time, with which it has a linear correlation. The increasing rate of the compact density during holding at sintering temperature is in proportion to the power of the holding time. The empirical equation of the density change during sintering was derived from these findings, and confirmed to coincide well with experimental values.<BR>The density after forging is strongly influenced by pressure and plastic deformation during forging. Tile holes in the compact can be rejected completely by suitable forging condition, except the surface area of the compact where the temperature reduces rapidly compared with that of the inner part of the compact.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(7), 918-923, 1996-07-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002012694
  • 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
    4004694
  • 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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