ZrSe<sub>2</sub>の窒素雰囲気での焼結

  • 田中 嘉一郎
    京都工芸繊維大学工芸学部無機材料工学科
  • 植月 徹
    京都工芸繊維大学工芸学部無機材料工学科
  • 山根 庸史
    京都工芸繊維大学工芸学部無機材料工学科 本田技研工業 (株)
  • 野崎 善治
    京都工芸繊維大学工芸学部無機材料工学科 大建工業 (株)
  • 中沢 泰朗
    京都工芸繊維大学工芸学部無機材料工学科

書誌事項

タイトル別名
  • Sintering of ZrSe<sub>2</sub> in Nitrogen Atmosphere
  • ZrSe2 ノ チッソ フンイキ デ ノ ショウケツ

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抄録

Sintering of ZrSe2 has been investigated by hot-pressing at 800°-1450°C and by isothermal, normal sintering at 1420°-1480°C in nitrogen atmosphere also. The starting materials, ZrSe2 and ZrSe3 were synthesized by a chemical-transport method. Decomposition and degradation of ZrSe3 into ZrSe2 with lower selenium content occurred during 800°-1000°C in hot-pressing. Density and compressive strength of the sintered body increased on hot-pressing above 1150°C. The compact started from ZrSe3 reached a maximum density, 98% theoretical and a maximum compressive strength, 1850kg/cm2, under the hot-pressing conditions: 1350°C, 130kg/cm2, 1h. Degradation of ZrSe3 was applicable for an activated sintering in hot-pressing of ZrSe2. Shrinkage and densification occurred also in isothermal, normal sintering of ZrSe2. Progress in sintering of ZrSe2 was accompanied with release of Se and with increase in non-stoichiometry in ZrSe2 to lesser Se/Zr ratio. It was suggested that the sintering process of ZrSe2 was governed by diffusion mechanisms.

収録刊行物

  • 窯業協會誌

    窯業協會誌 94 (1085), 100-105, 1986

    公益社団法人 日本セラミックス協会

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