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Three-dimensional Micromechanical Modeling of Continuous Fiber Reinforced Ceramic Composites with Interfaces

Continuous fiber reinforced ceramic composites (CFCCs) are widely used
in high performance and high temperature applications. The behavior of
CFCCs under various conditions is not easily predicted. Micromechanical
modeling of the CFCCs using a representative volume element (RVE)
approach provides useful prediction of the composite behavior.
Conventionally, the effect of the fiber-matrix interface on the
effective property prediction of the CFCCs is not considered in the
micromechanical modeling approach. In the current work, a comprehensive
three-dimensional micromechanical modeling procedure is proposed for
effective elastic behavior estimation of CFCCs. Application of the
micromechanical model for various interfaces has been considered to
evaluate the effect of different interfaces and highlight the
applicability of the current model. Cohesive damage modeling approach is
used to model the crack growth along with fiber bridging. The finite
element model is validated by comparing with available data in the
literature.

Paper Number: IMECE2012-88260

ASME 2012, Houston 

http://www.gbv.de/dms/tib-ub-hannover/747083320.pdf

 

 

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