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Densification behavior and grain growth of zirconia powder compacts at high temperature
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 Title & Authors
Densification behavior and grain growth of zirconia powder compacts at high temperature
Kim, H.G; Kim, K.T;
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 Abstract
Densification behavior and grain growth of zirconia powder compacts are investigated under high temperature. Experimental data are obtained for zirconia powder under pressureless sintering, sinter forging and hot isostatic pressing. The constitutive equations by Kwon et al. are used for diffusional creep and grain growth. The constitutive equations by McMeeking and co-workers are also included to study the effect of power-law creep. These constitutive equations are implemented into a finite element program (ABAQUS) to investigate the friction effect during sinter forging and the canning effect during hot isostatic pressing. The agreements between experimental data and finite element results are very good in pressureless sintering and hot isostatic pressing, but not as good in sinter forging.
 Keywords
Zirconia;Constitutive Model;Diffusional Creep;Power-law Creep;Densification;Grain Growth;
 Language
Korean
 Cited by
1.
나노 세라믹 분말의 고온 치밀화와 결정립 성장의 해석,김홍기;김기태;

대한기계학회논문집A, 2000. vol.24. 11, pp.2749-2761 crossref(new window)
2.
순수 지르코늄의 ECAP공정에서 금형의 변형 및 채널각이 재료의 변형거동에 미치는 영향,권기환;채수원;권숙인;김명호;

대한기계학회논문집A, 2001. vol.25. 11, pp.1751-1758 crossref(new window)
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