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RESEARCH PAPERS

Thermal Stress in a Coated Short Fiber Composite

[+] Author and Article Information
Hiroshi Hatta, Minoru Taya

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

J. Eng. Mater. Technol 109(1), 59-63 (Jan 01, 1987) (5 pages) doi:10.1115/1.3225934 History: Received November 01, 1986; Online September 15, 2009

Abstract

When a coated short fiber composite is subject to temperature change, thermal stresses in and around the coated fibers are induced due to the mismatch of thermal expansion coefficients of the constituents. The problem of the above thermal stresses in a coated short fiber composite is solved by using the Eshelby’s equivalent inclusion method under the assumption of thin coating. A parametric study is then conducted to examine the effect of thermo-mechanical properties of the coating on the stress field in an and around a coated short fiber. It is found in this study that critical parameters influencing the thermal stress field are the thermal expansion coefficients of the fiber and coating.

Copyright © 1987 by ASME
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