急速凝固粉末を用いたムライトセラミックス焼結体の強度におよぼすジルコニア含有量の影響 Effect of Zirconia Content on the Strength of Mullite Ceramics Hot-Pressed from Rapidly Solidified Powder

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抄録

Mullite ceramics containing 20-40 mass% zirconia were rapidly solidified (RS) to obtain amorphous ceramic powder using a Plasma Centrifugal Atomization (PCA) process. The RS and, for comparison, non RS powder were hot-pressed at various temperatures ranging from 1623 to 1823 K Transverse rupture strengths (TRS) of the hot pressed compacts were measured between 293 and 1473 K. The averaged TRS of the RS compacts at room temperature increased with increasing zirconia content However the TRS of the non RS compacts exhibited a peak value at 30 mass% zirconia content. Although the TRS for both materials decreased with increasing temperature, the RS material still had higher values than non RS material at elevated temperature. The improvement in the strength was attributed to a very fine microstructure in the RS compacts produced from amorphous powder.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 43(12), 1466-1472, 1996-12-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002261255
  • 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
    4118685
  • 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  NDL  J-STAGE 
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