Isotropic Properties of Platelet-Reinforced Media

[+] Author and Article Information
R. M. Christensen

Chemistry and Materials Science Department, Lawrence Livermore Laboratory, University of California, Livermore, Calif. 94550

J. Eng. Mater. Technol 101(3), 299-303 (Jul 01, 1979) (5 pages) doi:10.1115/1.3443691 History: Online August 17, 2010


The effective moduli are derived for a composite material containing platelet-type inclusions. The platelets are taken to be randomly oriented in three-dimensional space and to have so large a diameter-to-thickness ratio that edge effects can be neglected. The effective moduli that are derived reduce to known results in the special case of a dilute suspension. Comparisons are made with the corresponding type of composite medium that involves randomly oriented fibers. For the same volume fraction of reinforcing phase, the platelet case provides a stiffening effect about three times greater than the fiber case.

Copyright © 1979 by ASME
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