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Kopeć M., Liu A.X.♦, Gorniewicz D.♦, Jóźwiak S.♦, Janiszewski J.♦, Kowalewski Z.L., Mechanical response and microstructural evolution of 6061-T6 aluminium alloy subjected to dynamic testing at low temperature,
BSSM, 18th International Conference on Advances in Experimental Mechanics, 2024-09-03/09-05, Liverpool (GB), pp.1-2, 2024 Streszczenie:
The aim of this research was to investigate an effect of low temperature on the mechanical properties and microstructure of 6061-T6 aluminium alloy (AA6061-T6) subjected to dynamic loading. The specimens were subjected to dynamic compression at a low temperature of -80°C in a range of strain rates from 1.25×103 1/s to 3.4 ×103 1/s to compare their mechanical responses. The deformation mechanisms were analysed through EBSD observations during which dynamic recovery, was found as the dominant one. Furthermore, microstructural analysis indicated that deformation under high strain rate conditions and temperature of -80°C enables to keep the constant initial grain size of the material after the loading applied. Słowa kluczowe:
Split Hopkinson Pressure Bar (SHPB), low temperature, AA6061, microstructure, EBSD Afiliacje autorów:
| Kopeć M. | - | IPPT PAN | | Liu A.X. | - | inna afiliacja | | Gorniewicz D. | - | Military University of Technology (PL) | | Jóźwiak S. | - | Military University of Technology (PL) | | Janiszewski J. | - | Military University of Technology (PL) | | Kowalewski Z.L. | - | IPPT PAN |
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