Jianli Shao1,2,*, Weidong Wei1
The International Conference on Computational & Experimental Engineering and Sciences, Vol.26, No.4, pp. 1-1, 2023, DOI:10.32604/icces.2023.09101
Abstract This report mainly introduces our recent research on the shock-induced collapse, migration and coalescence
of He bubbles in metal based on atomistic simulations. The He bubble will be compressed to permanent
deformation with the finite plastic collapse of metal. Under strong shock, the He bubble can be breakdown
by the nano-jet of the metal, but it returns to a reduced sphere in the molten metal after long-time evolution,
driven by the He-Al interface energy. Besides, the shock-induced migration of He bubble is revealed, which
can be divided into shock acceleration and the following inertial motion. Moreover, two coalescence modes
caused… More >
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