Condensed Matter Physics, 1997, No 10, p.
Amplitude dependence of the ultrasound attenuation and change of the elastic modulus due to the dislocations with a certain number of the geometrical kinks at zero temperature is investigated by the numerical simulation of dislocation motion. A decrease of attenuation before the amplitude of stress in a slip plane achieves the Peierls stress value is found.Comments: Figs. 3, Refs. 7, Tabs. 0.
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