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TECHNICAL PAPERS

A Probabilistic Micromechanics Model for Damaged Composites

[+] Author and Article Information
J. Mark Duva

Department of Applied Mathematics, University of Virginia, Charlottesville, VA 22903-2442

Jacob Aboudi, Carl T. Herakovich

Department of Civil Engineering & Applied Mechanics, University of Virginia, Charlottesville, VA 22903-2442

J. Eng. Mater. Technol 118(4), 548-553 (Oct 01, 1996) (6 pages) doi:10.1115/1.2805955 History: Received April 16, 1995; Revised March 17, 1996; Online November 27, 2007

Abstract

The generalized method of cells, an interfacial constitutive model and a probabilistic model are combined to yield an approach for modeling the stress-strain response of fibrous composites with fiber/matrix interfacial damage. It has been shown that the limitations of a single repeating cell in representing the response of a composite with debonding interfaces can be overcome through the introduction of a probabilistic modelling approach based upon an effective interfacial strength. This approach is used to recover the transverse tensile and axial shear response of unidirectional silicon-carbide/titanium as measured in the laboratory.

Copyright © 1996 by The American Society of Mechanical Engineers
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