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J. Korean Ceram. Soc. > Volume 40(8); 2003 > Article
Journal of the Korean Ceramic Society 2003;40(8): 784.
doi: https://doi.org/10.4191/kcers.2003.40.8.784
복합재료의 미시특성에 따른 기계적 특성해석
김태우
국민대학교 기계자동차공학부
Analysis of Composite Response Based on Microstructure Details
ABSTRACT
Present investigation shows the analysis results for ceramic reinforced metal matrix composite under uniaxial transverse tensile loading. The resulting deformation, the projected damage type, and stress-strain behavior were computed depending on microstructure details such as the type of periodic reinforcement array, and the type of interface bonding. A two-dimensional finite element analysis was conducted based on the unit-cell of square, hexagonal, or diagonal periodic away For composite with strong interface bonding, the transverse stress vs. strain curve was generally increased with the increase of the ceramic volume fraction. For the composite with weakly bonded interface, however, the transverse stress vs. strain curve was reduced against the ceramic volume fraction. The decrease was caused by the interface debonding-induced stiffness reduction of the composite. For the composite of weakly bonded interface, the relative reduction rate in the final limit stress for hexagonal array was larger than that for square array. Outcome of the present study was compared favorably with the published literature data.
Key words: Composite, Micromechanism, Finite element analysis
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