Environmentally-Induced Expansion of Heterogeneous Media

[+] Author and Article Information
Kalman Schulgasser

Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel

J. Appl. Mech 56(3), 546-549 (Sep 01, 1989) (4 pages) doi:10.1115/1.3176125 History: Accepted June 17, 1988; Received June 17, 1988; Online July 21, 2009


Relationships between effective expansion behavior and effective elastic constants for composite materials have been known for many years. In the present work composites are considered for which more than one environmental variable (e.g., temperature and relative humidity) cause expansions. A simple direct method to relate effective expansions due to different causes is developed. It is shown that most of the previous elasticity-expansion behavior results are gotten as corollaries, and the applicability of these relationships is broadened.

Copyright © 1989 by ASME
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