Ultrasonic Studies of the Nonlinear Behavior of Solids
- 1 November 1965
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 36 (11) , 3486-3490
- https://doi.org/10.1063/1.1703023
Abstract
The non‐Hookeian behavior of a solid is studied using the distortion of an initially sinusoidal ultrasonic wave. The nonlinear differential equation describing the propagation of a finite amplitude ultrasonic wave in a cubic crystal is shown to take the same form as that describing a fluid. The propagation distance required for discontinuity in the particle velocity is calculated for various directions in the crystal. It is shown that in a typical experiment the path length can be appreciably less than the discontinuity distance, so that the distortion can be represented as a linear increase of second harmonic content with path length. Experimental results are given for copper single crystals which have been annealed or neutron irradiated.This publication has 10 references indexed in Scilit:
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