Nanovoid cavitation in Aluminum

Abstract eng:
The transition paths during nanovoid growth in Aluminum (Al) single crystals under triaxial load at different strain rates and Mperature have been studied using the HotQC method. Our analysis reveals that after an initial plastic regime, dislocations interact between each other and promote a strain hardening regime that increases the peak stress during the simulation. This behavior is of remarkable importance since it might help to increase the spall strength of pure Al under high velocity impacts.

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