Preparation of translucent alumina ceramic specimen using slip casting method(<Feature>Global Innovation in Advanced Ceramics)
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概要
- 論文の詳細を見る
A commercial alumina nanopowder has been applied to prepare high density alumina ceramic specimens using a simple slip casting method. Slurry preparation process is one of important steps to enhance density and optical property of alumina specimens to be fabricated. In this work, the effect of the amount of ammonium salt of poly (methacrylic) acid dispersant and polyvinyl alcohol binder in alumina suspension on the slurry viscosity was discussed. Green body with relative density higher than 55% could exhibit homogenous appearance when a certain ratio of dispersant to binder is employed. The fully dense translucent alumina compact consisting of submicron grain could be fabricated by atmospheric sintering at 1350℃ with soaking time of 3600 s and further HIP-sintering at 1300℃ for 7200 s in argon atmosphere.
- 社団法人日本セラミックス協会の論文
- 2008-03-01
著者
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Charinpanitkul Tawatchai
Department Of Chemical Engineering Chulalongkorn University
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Wada Shigetaka
Department Of Material Science Faculty Of Science Chulalongkorn University
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PROMDEJ Chutinan
Center of Excellence in Particle Technology, Faculty of Engineering, Chulalongkorn University
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AREERAKSAKUL Sakkapas
Center of Excellence in Particle Technology, Faculty of Engineering, Chulalongkorn University
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PAVARAJARN Varong
Departmen tof Chemical Engineerig, Faculty of Engineering, Chulalongkorn University
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WASANAPIARNPONG Thanakorn
Department of Material Science, Faculty of Science, Chulalongkorn University
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Promdej Chutinan
Center Of Excellence In Particle Technology Faculty Of Engineering Chulalongkorn University
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Wasanapiarnpong Thanakorn
Department Of Material Science Faculty Of Science Chulalongkorn University
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Pavarajarn Varong
Departmen Tof Chemical Engineerig Faculty Of Engineering Chulalongkorn University
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Areeraksakul Sakkapas
Center Of Excellence In Particle Technology Faculty Of Engineering Chulalongkorn University
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