Laser ablation and spallation of crystalline aluminum simulated by Molecular Dynamics

被引：23

作者：

Zhakhovskii, Vasilii ^{[1
]}

Inogamov, Nail ^{[1
]}

Nishihara, Katsunobu ^{[1
]}

机构：

[1] Osaka Univ, Inst Laser Engn, Yamada Oka 2-6, Suita, Osaka 5650871, Japan

来源：

5TH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS (IFSA2007) | 2008年 / 112卷

关键词：

D O I：

10.1088/1742-6596/112/4/042080

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The mechanical action of femtosecond laser pulse on a target may result in ablation of the irradiated frontal layer and spallation of the target rear side as well. The dynamics of expansion of the solid Al film after laser heating is studied by means of molecular dynamics (MD) simulations with the two EAM potentials (ours and Mishin et al.) and our parallel auto-balancing MPD3 code. It is found that the rear side spallation threshold is half as much again the frontal ablation threshold. The experimental and evaluated characteristics agree well in both crater depth and incident fluence on the ablation threshold.

引用

页数：4

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