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Journal of the Korean Ceramic Society 1986;23(2): 1. |
| Al 분말의 점화열을 이용한 Sialon 분말 제조에 관한 연구 |
| 박정현, 전병세1, 이은창 |
연세대학교 공과대학 요업공학과
1경남대학교 공과대학 무기재료공학과 |
| A Study on the Fabrication of Sialon Powder through the Thermit Ignition |
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| ABSTRACT |
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The mixture of (opalit+Al) powder was ignited by electric shock for the preparation of sialon powder by changin the contents of Al. The formation reaction of sialon was investigated by heating the specimens of ignited mixture (opalit+Al) in nitrogen atmosphere at various temperature. The phases existing inthe specimens nitrided between 1400 and 1$600^{circ}C$ were found $beta$-sialon 15R-sia-lon $Al_2O_3$ and AlN but the mixture $beta$-sialon and 15R-sialon was finally acquired by heating the ignited mixture of (Al 50%+opalit) at 175$0^{circ}C$ for 3hours in nitrogen atmosphere. |
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