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Nonlinear strain waves and densities of defects induced in metal plates by external energy fluxes

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Abstract

A model of nonlinear periodic traveling strain waves induced in laser-irradiated metal plates with quadratic nonlinearity is proposed. Interaction between the elastic strain fields and the concentration of point defects is taken into account. The effect of generation-recombination processes on the evolution of nonlinear localized waves is considered. An equation for the amplitudes of the nonlinear waves is derived. It is employed to analyze the attenuation of the waves with allowance for low-and high-frequency losses.

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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 71, No. 8, 2001, pp. 23–26.

Original Russian Text Copyright © 2001 by Mirzoev, Shelepin.

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Mirzoev, F., Shelepin, L.A. Nonlinear strain waves and densities of defects induced in metal plates by external energy fluxes. Tech. Phys. 46, 952–955 (2001). https://doi.org/10.1134/1.1395114

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