Submicrosecond strength $(\alpha+\beta)$ of titanium alloy VT22 under plane shock wave loading

G. V. Garkushin, A. S. Savinykh, I. A. Cherepanov, V. E. Breikina, S. V. Razorenov

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka, Moscow region

Abstract: The measurements results of the hugoniout elastic limit and spall strength of high strength $(\alpha+\beta)$ titanium alloy VT22 samples under shock-wave loading with a impactor velocity of 850 $\pm$ 30 m/s are presented. Experimental results on the attenuation of an elastic precursor depending on the distance passed by the wave are described by a power-law dependence $\sigma_{\mathrm{HEL}} = S(h/h_0)^{-\alpha}$. New data on the spall strength of the VT22 alloy in the range of strain rates in a rarefaction wave have been obtained 10$^4$–10$^6$ s$^{-1}$.

Received: 17.07.2025
Revised: 13.08.2025
Accepted: 29.08.2025

DOI: 10.61011/PJTF.2026.01.61914.20446

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