日本セラミックス協会 年会・秋季シンポジウム 講演予稿集
Annual Meeting of The Ceramic Society of Japan, 2008
セッションID: 1I31
会議情報

Green Strength of Dry-Pressed Alumina: The Binder Segregation Effect
*Mohd Imran Bin ZainuddinSatoshi TanakaKeizo Uematsu
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会議録・要旨集 フリー

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抄録
The effect of binder segregation on the green strength of dry-pressed alumina ceramics was studied. The granules were produced by spray-drying alumina slurries containing ammonium polyacrylic acid (NH4PAA) acting as both disperser and binder. Green strength of alumina compact was measured using diametral compression test. Green strength increases with increasing binder content with three stages of increasing pattern. Green strength increases significantly after binder segregation occurs. Granules without binder segregation show total transgranular fracture. Whereas, granules with binder segregation show transition from intermediate fracture to total transgranular fracture with increasing forming pressure.
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© The Ceramic Society of Japan 2008
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