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- KYAW Than Min
- Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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- 岡本 泰則
- 京都工芸繊維大学工芸学部物質工学科
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- 林 國郎
- 京都工芸繊維大学工芸学部物質工学科
書誌事項
- タイトル別名
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- Thermal Conductivity of Mullite-Zirconia Composites
- ムライト ジルコニア フクゴウ セラミックス ノ ネツ デンドウリツ エイブン
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抄録
Thermal conductivity of mullite-zirconia composites was measured. Since the thermal conductivity of zirconia is smaller than that of mullite, the conductivity of composites gradually decreased with the addition of zirconia up to 30vol% into mullite, which is consistent with the results estimated from the Eucken's equation. However, it was remarkably lowered with the further additions and the minimum value, 3.26W·m-1·K-1, was attained at about 50vol% of zirconia fraction. In the ZrO2-rich composites, on the other hand, a small decrease in conductivity compared to that of ZrO2 was found in spite of the addition of higher conductive mullite. It has been supposed that the reaction occurred between yttria stabilizer and silica and/or alumina from mullite during sintering and it resulted in the formation of a glassy phase at the grain boundaries, which was responsible for the decrease in thermal conductivity.
収録刊行物
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- Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌)
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Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 103 (1204), 1289-1292, 1995
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390001205277111168
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- NII論文ID
- 110002291295
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 3640556
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- データソース種別
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- JaLC
- NDL
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