Interface Effects on Attenuation and Phase Velocities in Metal-Matrix Composites

Date
1987
Authors
Datta, S.
Ledbetter, H.
Shindo, Y.
Shah, A.
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Altmetrics
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Abstract

One often determines the effective elastic moduli and damping of a heterogeneous material by using elastic waves (propagating or standing). Several theoretical studies show that for long wavelengths one can calculate the effective wave speeds of plane longitudinal and shear waves through a composite material. At long wavelengths the wave speeds thus calculated are nondispersive and hence provide the values for the static effective elastic properties. References to some of the recent theoretical and experimental studies can be found in [1–12]. The scattering formulations developed in [1–8] provide a means to obtain both the effective wave speeds and the damping caused by scattering.

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