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TECHNICAL PAPERS

Localization due to Damage in Two-Direction Fiber-Reinforced Composites

[+] Author and Article Information
F. Hild, F. A. Leckie

Department of Mechanical and Environmental Engineering, University of California, Santa Barbara, CA 93106-5070

P.-L. Larsson

Department of Solid Mechanics, Royal Institute of Technology, S-100 44 Stockholm, Sweden

J. Appl. Mech 63(2), 321-326 (Jun 01, 1996) (6 pages) doi:10.1115/1.2788867 History: Received February 25, 1992; Revised October 08, 1993; Online October 26, 2007

Abstract

Fiber pull-out is one of the fracture features of fiber-reinforced ceramic matrix composites. The onset of this mechanism is predicted by using continuum damage mechanics, and corresponds to a localization of deformation. After deriving two damage models from a uniaxial bundle approach, different configurations are analyzed through numerical methods. For one model some very simple criteria can be derived, whereas for the second one none of these criteria can be derived and the general criterion of localization must be used.

Copyright © 1996 by The American Society of Mechanical Engineers
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