Subpicosecond laser ablation behavior of a magnesium target and crater evolution: Molecular dynamics study and experimental validation
Guolong 国龙 Jiang 江,
Xia 霞 Zhou 周
Abstract:The micro-ablation processes and morphology evolution of ablative craters on single-crystal magnesium under subpicosecond laser irradiation are investigated by MD simulations and experiments. Simulation results exhibit that the main failure mode of single-crystal Mg film irradiated by low fluence and long width pulse laser is the ejection of surface atoms which have laser-induced high stress. But under high fluence and short width pulse laser irradiation, the main damage mechanism is nucleation fracture caused… Show more
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