| | Mechanics of Solids A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544 Online ISSN 1934-7936 |
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<< Previous article | Volume 49, Issue 6 / 2014 | Next article >> |
M.B. Agranat, S.I. Ashitkov, and P.S. Komarov, "Metal Behavior near Theoretical Ultimate Strength in Experiments with Femtosecond Laser Pulses," Mech. Solids. 49 (6), 643-648 (2014) |
Year |
2014 |
Volume |
49 |
Number |
6 |
Pages |
643-648 |
DOI |
10.3103/S0025654414060053 |
Title |
Metal Behavior near Theoretical Ultimate Strength in Experiments with Femtosecond Laser Pulses |
Author(s) |
M.B. Agranat (Joint Institute for High Temperatures, Russian Academy of Sciences, ul. Izhorskaya 13-2, Moscow, 125412 Russia, agranat2004@mail.ru)
S.I. Ashitkov (Joint Institute for High Temperatures, Russian Academy of Sciences, ul. Izhorskaya 13-2, Moscow, 125412 Russia, ashitkov11@yandex.ru)
P.S. Komarov (Joint Institute for High Temperatures, Russian Academy of Sciences, ul. Izhorskaya 13-2, Moscow, 125412 Russia, komarov-p@yandex.ru) |
Abstract |
An interferometric method is used in the picosecond range to study the evolution of shock-compression waves generated in metallic film specimens by a powerful femtosecond laser. Shock waves with compression stress behind the elastic precursor front up to 27.5 GPa and 12.6 GPa, respectively, were registered in the case of submicron propagation length in iron and aluminum. The obtained values of the shear and bulk strength are comparable with computed values of the theoretical ultimate shear and tensile strength. |
Keywords |
shock-compression wave, fracture, strength, strain rate, femtosecond laser pulse |
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|
Received |
11 August 2014 |
Link to Fulltext |
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