Al_2O_3の成形体の徴構造とコロイド/界面の変数の関係

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概要

• 論文の詳細を見る

• Density and microstructure of Al_2O_3 green bodies were analyzed in terms of kinetic stability and interfacial characteristics of colloidal suspension. Density and the most frequent pore diameter of Al_2O_3 green bodies were directly correlated with the critical stability ratio (W_e) and criticalzeta potential (ξ_e) ・ These observations were explained using concepts of the critical stability ratio, criticalzeta potential and the potential energy barrier between two interacting particles in a ceramic slip. Analysis of data indicated that the potential energy barrier between two interacting colloid particles should be higher than its critical value for fabricating of Al_2O_3 green bodies with dense and uniform microstructure. A rapid decrease in the frost frequent pore diameter occurred for a green compact prepared from a kinetically stable slip having the stability ratio larger than a certain critical value, demonstrafing a direct influence of colloid / interface variable on pore microstructure of Al_2O_3 green bodies.

• 社団法人日本セラミックス協会の論文
• 1994-02-01

著者

• Kim Byung

  Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan, University School of Medici

• Moon Jong

  Department Of Materials Science And Engineering Chonnam National University

• Moon Jong

  Department Of Ceramic Engineering Chonnam National University

• Jang H

  Pohang Univ. Sci. And Technol. Pohang Kor

• Jang Hyun

  Department Of Chemical Engineering Hanseo University

• Kim B

  Chungnam National Univ. Teajon Kor

• Moon J

  Chonnam National Univ. Gwangju Kor

• Kim Byung

  Department Of Applied Mathematics College Of Applied Science Kyung Hee University

• Kim Byung

  Department Of Aerospace Engineering School Of Engineering Nagoya University

• Jang Hyun

  Department Of Materials Science And Metallurgy Pohang Institute Of Science And Technology (postech):

• Kim Byung

  Department Of Inorganic Materials Engineering College Of Engineering Chonam National University

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