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A finite element model for asymmetric creep behavior of ceramics SCIE SCOPUS

Title
A finite element model for asymmetric creep behavior of ceramics
Authors
Lim, HJJung, JWHan, DBKim, KT
Date Issued
1997-03-31
Publisher
ELSEVIER SCIENCE SA LAUSANNE
Abstract
Asymmetric creep responses of ceramics between tension and compression under high temperature were investigated. Multiaxial creep equations were proposed for ceramic materials under general loading conditions. The proposed constitutive equations were implemented into a finite element program (ABAQUS) to simulate asymmetric creep responses of ceramics under complex loading conditions. Finite element calculations were compared with experimental data in the literature for siliconized silicon carbide (Si-SiC) C-rings under compression and alumina and Si-SiC bending specimens under bending creep. Finite element calculations agreed well with experimental data when the principal stresses are smaller than the threshold stress for creep damage. A good agreement was also obtained for damage zone in a Si-SiC bending specimen compared with experimental data. (C) 1996 Elsevier Science S.A.
Keywords
FEM; model; asymmetric creep; alumina; creep damage; C-rings; bending
URI
https://oasis.postech.ac.kr/handle/2014.oak/21307
DOI
10.1016/S0921-5093(96)10557-8
ISSN
0921-5093
Article Type
Article
Citation
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, vol. 224, no. 1-2, page. 125 - 130, 1997-03-31
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김기태KIM, KI TAE
Dept of Mechanical Enginrg
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