Abstract
The variations induced in the parameters of the hardening curve for copper single crystals by ultrasonic vibrations at a frequency of 20 kHz are investigated. It is shown that the application of ultrasound to the samples under tension significantly lowers the critical yield stress (τ0) and increases the duration of the first hardening stage (ɛ2). Preliminary ultrasonic irradiation is accompanied by an increase in τ0 and an appreciable increase in ɛ2. The magnitude of the variations oft 0 and ɛ2 depends on the ultrasonic intensity. Experimental results are given for the time dependence of the recovery of the yield point for the irradiated copper samples at 20 and −50 °C.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 51–56, February, 1972.
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Gindin, I.A., Malik, G.N., Neklyudov, I.M. et al. Effect of ultrasonic vibrations on the parameters of the hardening curve for copper single crystals. Soviet Physics Journal 15, 192–196 (1972). https://doi.org/10.1007/BF00819431
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DOI: https://doi.org/10.1007/BF00819431