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Journal of the Korean Ceramic Society 1999;36(11): 1243. |
| 알루미나-anorthite 계의 액상소결에서 MgO의 첨가가 치밀화 및 미세구조에 미치는 영향 |
| 김호양, 이정아, 김정주 |
| 경북대학교 무기재료공학과 |
| Effects of MgO Addition on Densification and Microstructural Development during Liquid-Phase Sintering of Alumina-Anorthite System |
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| ABSTRACT |
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Densification behavior and microstructural evolution during the liquid-phase sintering of alumina-anorhite system were investigated as a function of MgO addition. When MgO component was added in either alumina or anorthite glass powder the aspect ratio of alumina grains decreased and concurrently the are of flat interface which was formed as a result of contact solid alumina gains rather increased. Consequently addition of MgO component in the Al2O3-amorthite system brought about suppression of the rearrangement of solid grains during the liquid phase sintering and then densification of specimens was also retarded. |
| Key words:
Alumina, Anorthite glass, Magnesia, Densification, Cs, Rearrangement |
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