An Experimental Study of Dispersion of Stress Waves in a Fiber-Reinforced Composite

[+] Author and Article Information
T. R. Tauchert, A. N. Guzelsu

Department of Engineering Mechanics, University of Kentucky, Lexington, Ky.

J. Appl. Mech 39(1), 98-102 (Mar 01, 1972) (5 pages) doi:10.1115/1.3422677 History: Received August 04, 1970; Revised November 11, 1970; Online July 12, 2010


An ultrasonic pulse technique was used to investigate the dispersive behavior of plane harmonic waves in a boron-epoxy composite. The dependence of group velocity upon frequency is determined for longitudinal and transverse waves propagating either parallel or perpendicular to the fibers. The static elastic moduli for the composite are also obtained, and to a first approximation the material is found to be tetragonal.

Copyright © 1972 by ASME
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