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Densification behavior of ceramic powder under cold compaction
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 Title & Authors
Densification behavior of ceramic powder under cold compaction
Choi, Seung-Wan; Kim, Gi-Tae;
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 Abstract
Densification behavior of ceramic powder under cold compaction was investigated. Experimental data were obtained for zirconia powder and alumina powder under triaxial compression with various loading conditions. A special form of the Cap model was proposed from experimental data under triaxial compression for a yield function of ceramic powder. The proposed yield function was inplemented into a finite element program (ABAQUS) to study densification behaviors of zirconia and alumina powders under die compaction. The effect of friction between the powder and die wall was also investigated. Density distributions of powder compacts were measured and compared with finite element results.
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 Language
Korean
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