Comparison of surface damage under the dry and wet impact: Molecular dynamics simulation
Comparison of surface damage under the dry and wet impact: Molecular dynamics simulation
复制标题
干冲击和湿冲击下的表面损伤比较:分子动力学模拟
DOI:
10.1016/j.apsusc.2011.10.035
复制
发表时间:
2011-12
影响因子:
6.7
通讯作者:
Hong Lei
中科院分区:
文献类型:
--
作者:
Ruling Chen;Min Liang;Jianbin Luo;Hong Lei
Molecular dynamic simulation was applied in analyzing the difference of surface damage during the impact of a large silica cluster on a crystal silicon substrate in dry and wet condition, respectively. The simulation results show that the damage of silicon substrate under the dry impact is more severe than that under the wet impact. A reason is that the water film buffers the impact of the incident cluster at the init stage under the wet impact. The more important reason is that the water film might be solidified into a continuous thin film at the cluster deformation stage. So, the considerable great impact energy of the cluster will be absorbed by the water film and transformed into thermal dissipation of energy between the simulation ensemble and the water film.
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