Effects of Interleaves on Fracture of Laminated Composites: Part I—Analysis

[+] Author and Article Information
A. K. Kaw

Department of Mechanical Engineering, University of South Florida, Tampa, FL 33620-5350

J. G. Goree

Department of Mechanical Engineering, Clemson University, Clemson, SC 29634-0921

J. Appl. Mech 57(1), 168-174 (Mar 01, 1990) (7 pages) doi:10.1115/1.2888298 History: Accepted April 15, 1989; Received April 15, 1989; Online March 31, 2008


The influence of placing interleaves between fiber-reinforced plies in multilayered composite laminates is investigated. The geometry of the composite is idealized as a two-dimensional, isotropic, linearly elastic media consisting of a damaged layer bonded between two half-planes and separated by thin interleaves of low extensional and shear moduli. The damage in the layer is taken in the form of a symmetric crack perpendicular to the interface. The case of an H-shaped crack in the form of a broken layer with delamination along the interface is also analyzed. Fourier integral transform techniques are used to develop the solutions in terms of singular integral equations.

Copyright © 1990 by The American Society of Mechanical Engineers
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