The Effect of Interface Damage on Macroscopic Constitutive Behavior of Composite Materials

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Abstract:

Base on the finite element method, the effect of interface damage on macroscopic constitutive behavior of composite materials subjected to uniaxial tension was studied. A bilinear cohesive law, which relates the traction and displacement jumps, was adopted to model the debonding of particle/matrix interface. Stress-strain curves for a material with different interface properties, particle size and volume fraction were discussed in detail. The results show that the damage due to debonding of particle/matrix interfaces can significantly affect the macroscopic response of composite materials, and that the interaction of particles is innegligible in multi-particle structure.

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Periodical:

Advanced Materials Research (Volumes 217-218)

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1001-1005

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March 2011

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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