Effect of Interface Layers on Elastic Wave Propagation in a Metal Matrix Composite Reinforced by Particles

[+] Author and Article Information
Y. Shindo

Department of Materials Processing, Faculty of Engineering, Tohoku University, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980, Japan

H. Nozaki

Department of Mechanical Engineering, Tokyo National College of Technology, Kunugida-Machi 1220-2, Hachioji 193, Japan

S. K. Datta

Department of Mechanical Engineering, Campus Box 427, University of Colorado, Boulder, CO 80309-0427

J. Appl. Mech 62(1), 178-185 (Mar 01, 1995) (8 pages) doi:10.1115/1.2895900 History: Received April 20, 1993; Revised July 29, 1993; Online October 30, 2007


This study considers the scattering of compressional and shear waves in SiC-particle-reinforced Al composite with interfacial layers. We assume same-size inclusions and same-thickness layers with nonhomogeneous elastic properties. The effective complex wave numbers follow from the coherent wave equations which depend only upon the scattering amplitude of the single scattering problem. Numerical values of scattering cross-sections, and phase velocities and attenuations of coherent plane waves are obtained for a moderately wide range of frequencies, and the results are graphed to display the effects of concentration of scatterers and interface properties.

Copyright © 1995 by The American Society of Mechanical Engineers
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