Preparation of β-sialon from Silica-gel
スポンサーリンク
概要
- 論文の詳細を見る
To prepare β-sialon (Si_2Al_4O_4N_4) through alumino-thermite reaction, white silica-gel with amorphous structure was reacted with aluminum at 1400℃ to 1800℃ for 0.5 to 4.0h under nitrogen gas flow. The molar ratio of SiO_2 to Al was 12 : 16 and cobalt of 8 mass% against white silica-gel was added as a reaction promoter. Sialon (Si_<6-z>Al_zO_zN_<8-z>) with the z-value ranging from 2.5 to 4.0 was formed at 1400℃ and 1600℃. Aluminum compounds such as α-Al_2O_3,AIN and others were formed along with sialon at these temperatures. The reason why many aluminum compounds were formed is considered to be caused by volatilization of silicon as SiO gas. On the other hand, Al_2O_3・AIN spinel and AIN were formed at 1800℃, except sialon.
- 長崎大学の論文
著者
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小林 和夫
九州工業技術試験所
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UCHIYAMA Yasuo
Department of Cell Biology and Neuroscience (A1), Osaka University Graduate School of Medicine
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Uchiyama Y
Department Of Materials Science And Engineering Faculty Of Engineering Nagasaki Uniersity
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Uchiyama Yasuo
Department Of Anatomy Medical School Of Osaka University Osaka Unuversity
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SANO Hideaki
Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
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TASAKI Hideyuki
Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
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KOBAYASHI Kazuo
Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
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Uchiyama Yasuo
Department Of Anatomy Jichi Medical School
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Sano Hideaki
Department Of Materials Science And Engineering Faculty Of Engineering Nagasaki Uniersity
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Tasaki Hideyuki
Department Of Materials Science And Engineering Faculty Of Engineering Nagasaki University
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Kobayashi Kazuo
Department Of Agricultural Chemistry Faculty Of Agriculture Tohoku University
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小林 和夫
長崎大学工学部
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Ucgiyama Yasuo
Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
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