MICROSTRUCTURAL CHANGE DURING GAS PRESSURE SINTERING OF SILICON NITRIDE.

Mamoru Mitomo, Chuhei Oshima, Masayuki Tsutsumi

    研究成果: Chapter

    1 引用 (Scopus)

    抄録

    The gas pressure sintering of silicon nitride with 5% MgO as an additive was performed under 10 atm N//2 at 1450 to 1900 degree C. Maximum density of 95% of theoretical value, 3. 19 g/cm**3, was obtained at 1800 degree C. The densification was due to liquid phase sintering and divided into two processes, rearrangement and solution-precipitation. Microstructural studies of cleavages and etched ones revealed that the densification was mainly attributed to rearrangement at lower temperatures than 1500 degree C and solution-precipitation at higher temperatures.

    元の言語English
    ホスト出版物のタイトルJ Ceram Soc Jpn
    ページ356-360
    ページ数5
    84
    エディション8
    出版物ステータスPublished - 1976

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    Silicon nitride
    Densification
    Sintering
    Liquid phase sintering
    Gases
    Temperature

    ASJC Scopus subject areas

    • Engineering(all)

    これを引用

    Mitomo, M., Oshima, C., & Tsutsumi, M. (1976). MICROSTRUCTURAL CHANGE DURING GAS PRESSURE SINTERING OF SILICON NITRIDE.J Ceram Soc Jpn (8 版, 巻 84, pp. 356-360)

    MICROSTRUCTURAL CHANGE DURING GAS PRESSURE SINTERING OF SILICON NITRIDE. / Mitomo, Mamoru; Oshima, Chuhei; Tsutsumi, Masayuki.

    J Ceram Soc Jpn. 巻 84 8. 編 1976. p. 356-360.

    研究成果: Chapter

    Mitomo, M, Oshima, C & Tsutsumi, M 1976, MICROSTRUCTURAL CHANGE DURING GAS PRESSURE SINTERING OF SILICON NITRIDE.J Ceram Soc Jpn. 8 Edn, 巻. 84, pp. 356-360.
    Mitomo M, Oshima C, Tsutsumi M. MICROSTRUCTURAL CHANGE DURING GAS PRESSURE SINTERING OF SILICON NITRIDE. : J Ceram Soc Jpn. 8 版 巻 84. 1976. p. 356-360
    Mitomo, Mamoru ; Oshima, Chuhei ; Tsutsumi, Masayuki. / MICROSTRUCTURAL CHANGE DURING GAS PRESSURE SINTERING OF SILICON NITRIDE. J Ceram Soc Jpn. 巻 84 8. 版 1976. pp. 356-360
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    abstract = "The gas pressure sintering of silicon nitride with 5{\%} MgO as an additive was performed under 10 atm N//2 at 1450 to 1900 degree C. Maximum density of 95{\%} of theoretical value, 3. 19 g/cm**3, was obtained at 1800 degree C. The densification was due to liquid phase sintering and divided into two processes, rearrangement and solution-precipitation. Microstructural studies of cleavages and etched ones revealed that the densification was mainly attributed to rearrangement at lower temperatures than 1500 degree C and solution-precipitation at higher temperatures.",
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