TiO<sub>2</sub>を添加したAl<sub>2</sub>O<sub>3</sub>-ZrO<sub>2</sub>複合体の微細組織と機械的性質に及ぼす焼成雰囲気の影響 (第2報)
書誌事項
- タイトル別名
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- Effect of Sintering Atmosphere on Microstructure and Mechanical Properties of TiO<sub>2</sub>-Added Zirconia-Toughened Alumina (Part 2)
- Effect of Sintering Atmosphere on Micro
- Effect of the Content of TiO<sub>2</sub>
- TiO<sub>2</sub>の添加量の影響
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To improve mechanical properties of TiO2-added zirconia-toughened alumina (ZTA), ZTA powders containing (Zr, Ti) O2 were sintered in an atmosphere of N2+5%H2. The effect of TiO2 content on the microstructure and mechanical properties of ZTA was investigated. Experimental results showed that Ti ions diffused to grain boundaries and into Al2O3 grains, thereby enhancing the densification of ZTA powders sintered in N2+5%H2, but the grain growth of ZTA was less than that of a sample sintered in air. Al2TiO5 dispersed in a ZTA sintered body containing ≥5.5mol% TiO2 was considered to increase the residual stress. These results indicate that ZTA composites containing TiO2 sintered in N2+5%H2 have superior bending strength and toughness to those sintered in air.
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) 104 (1205), 1-5, 1996
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
- 1390282680255242624
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- NII論文ID
- 110002291300
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 3917984
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- データソース種別
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- JaLC
- NDL
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