Fabrication of Composite in the System ZrO2(2Y)/WSi2 Part 2 Electrical and Mechanical Properties of Laminated Materials with Three Layers (特集 ニュ-コンポジット材料2) Fabrication of Composite in the System ZrO_2(2Y)/WSi_2 Part 2-Electrical and Mechanical Properties of Laminated Materials with Three Layers-

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Well-densified composites with the compositions of ZrO<SUB>2</SUB>(2Y)/WSi<SUB>2</SUB>=60/40 and 80/20 mol% have been fabricated by hot isostatic pressing for 2 h at 1500°C and 196 MPa. Electric resistivities (ρ) between both composites change drastically; the former and latter composites correspond to the metallic and insulating materials, respectively. They are strongly dependent on the textures. Laminated materials with the compositions of ZrO<SUB>2</SUB>(2Y)/WSi<SUB>2</SUB> =(60/40)/(80/20)/(60/40) mol% have been able to be prepared by the same technique. Overall electric resistivities in the perpendicular and parallel directions for the interfaces are determined to be ρ⊥≈1×10<SUB>11</SUB> and ρ//≈1×10<SUB>-4</SUB> Ω⋅cm, respectively. The residual stress as much as ≈200 MPa is induced in the interfaces. The fracture toughness (K<SUB>IC</SUB>) is much affected by the residual stress.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 43(4), 426-432, 1996-04-15

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002011835
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    3954802
  • 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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