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REVIEW ARTICLES: Failure of Composite Materials

Thermal Residual Stress in a Two-Dimensional In-Plane Misoriented Short Fiber Composite

[+] Author and Article Information
M. Taya, M. Dunn

Department of Mechanical Engineering, University of Washington, Seattle, WA 98195

B. Derby, J. Walker

Department of Metallurgy and Science of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, United Kingdom

Appl. Mech. Rev 43(5S), S294-S303 (May 01, 1990) doi:10.1115/1.3120831 History: Online April 30, 2009

Abstract

Residual stress induced in a misoriented short fiber composite due to thermal expansion mismatch between the matrix and fiber is investigated. The case of two-dimensional in-plane fiber misorientation is considered. The elastic model that is developed is based on Eshelby’s equivalent inclusion method and is unique in that it accounts for interactions among fibers at different orientations. A parametric study is performed to demonstrate the effects of fiber volume fraction, fiber aspect ratio, fiber distribution cut-off angle, and fiber distribution type on thermal residual stress. Fiber volume fraction and aspect ratio are shown to have more significant effects on the magnitude of the thermal residual stresses than the fiber distribution type and cut-off angle.

Copyright © 1990 by American Society of Mechanical Engineers
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