An Effective Approach of Equivalent Elastic Method for Three-Dimensional Finite Element Analysis of Ceramic Honeycomb Substrates

세라믹 하니컴 담체의 3차원 유한요소해석을 위한 등가탄성방법의 효과적인 접근

  • 백석흠 (동아대학교 기계공학과 BK21) ;
  • 조석수 (강원대학교 자동차공학과)
  • Received : 2010.06.03
  • Accepted : 2011.01.13
  • Published : 2011.03.01


A ceramic monolithic catalyst is a honeycomb structure that consists of two layers. The honeycomb structure is regarded as a continuum in structure and heat-flow analysis. The equivalent mechanical properties of the honeycomb structure were determined by performing finite element analysis (FEA) for a test specimen. Bending strength experiments and FEA of the test specimen used in ASTM C1674-08 standard test were performed individually. The bonding coefficient between the cordierite ceramic layer and the washcoat layer was almost zero. The FEA test specimen was modeled on the basis of the bonding coefficient. The elastic modulus, Poisson's ratio, and the thermal properties of the ceramic monolithic substrate were determined by performing the FEA of the test specimen.


Equivalent Property;Coefficient of Bonding;Rule of Mixtures;Cordierite Ceramic Substrate


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