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论文题目: |
The Local Microscale Reverse Deformation of Metallic Material under Laser Shock |
第一作者: |
Lu, Guoxin;Liu JD(刘纪德);Qiao HC(乔红超);Cui, Chuanyong;Zhou YZ(周亦胄);Jin T(金涛);Zhao JB(赵吉宾);Sun XF(孙晓峰);Hu ZQ(胡壮麒) |
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发表刊物: |
ADVANCED ENGINEERING MATERIALS |
发表年度: |
2017 |
卷,期,页: |
19,2,1-6 |
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论文摘要: |
A striking phenomenon is found that local plastic deformations, with an opposite direction to the external force, applied on metallic target surface under a given laser shock condition. Laser shock treatment is carried out on a number of metallic materials, and the surface topographies after laser shock treatment are observed via White Light Interferometer (WLI) measurement. The results show that many surface relief structures with irregular shapes and random distributions appear on target surfaces under the action of invisible shock waves. It personifies the real plastic flow behavior of metallic materials suffer to pressure waves, and the local reverse deformation. |
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