Abstract
The dynamics of the melting of a surface nanolayer and the formation of thermal and shock waves in metals irradiated by femtosecond laser pulses has been investigated both experimentally and theoretically. A new experimental-computational method has been implemented to determine the parameters of laser-induced shock waves in metallic films. Data on the strength properties of the condensed phase in aluminum films at an extremely high strain rate (\( \dot V \)/V ∼ 109 s−1)under the action of a laser-induced shock wave have been obtained.
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Original Russian Text © M.B. Agranat, S.I. Anisimov, S.I. Ashitkov, V.V. Zhakhovskii, N.A. Inogamov, P.S. Komarov, A.V. Ovchinnikov, V.E. Fortov, V.A. Khokhlov, V.V. Shepelev, 2010, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2010, Vol. 91, No. 9, pp. 517–523.
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Agranat, M.B., Anisimov, S.I., Ashitkov, S.I. et al. Strength properties of an aluminum melt at extremely high tension rates under the action of femtosecond laser pulses. Jetp Lett. 91, 471–477 (2010). https://doi.org/10.1134/S0021364010090080
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DOI: https://doi.org/10.1134/S0021364010090080