Effect of Intergranular Phase on Mechanical Properties of Si<sub>3</sub>N<sub>4</sub>-Si<sub>2</sub>N<sub>2</sub>O Composites
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- NAKAMURA Kazuo
- Government Industrial Research Institute
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- OKASHIRO Yasuharu
- Kitagawa Ironworks Co., Ltd.
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- OHASHI Masayoshi
- Government Industrial Research Institute
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- HIRAO Kiyoshi
- Government Industrial Research Institute
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- NAGAOKA Takaaki
- Government Industrial Research Institute
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- WATARI Koji
- Government Industrial Research Institute
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- YASUOKA Masaki
- Government Industrial Research Institute
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- KANZAKI Shuzo
- Government Industrial Research Institute
Bibliographic Information
- Other Title
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- Si<sub>3</sub>N<sub>4</sub>-Si<sub>2</sub>N<sub>2</sub>Oコンポジットの機械的性質に及ぼす粒界相の影響
- Si3N4 Si2N2O コンポジット ノ キカイテキ セイシツ ニ オヨボス
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Abstract
Ce/Si ratio increased with the formation of Si2N2O in Ce-doped Si3N4 based ceramics with SiO2 addition. The intergranular liquid remained as a glass on cooling until the ratio exceeded a certain level when the intergranular liquid crystallized as cerium nitrogen apatite (Ce5(SiO4)3N-Ce4.67(SiO4)3O) during cooling. There were large differences in flexural strength, fracture toughness between the specimens with the intergranular glassy phase and the ones with the intergranular crystalline phase. Mechanical properties of the bulk bodies depended on those of the intergranular phases.
Journal
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- Journal of the Ceramic Society of Japan
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Journal of the Ceramic Society of Japan 100 (1165), 1169-1171, 1992
The Ceramic Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205276713216
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- NII Article ID
- 110002290095
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- NII Book ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL BIB ID
- 3784256
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed