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中文摘要：
进行了锻铝合金(LD31)薄板试样在短脉冲强激光冲击下的实验研究.结果表明:在强激光冲击下,试样发生显著的塑性变形,变形后轴截面形状为类圆锥形;试样塑性变形量随激光能量的增加而增加,随着试样的厚度增加而减小;在其他工艺参数相同的情况下,圆形试样比正方形试样更容易发生塑性变形;试样冲击变形区正反二面表面粗糙度值下降,表面光洁度得到明显提高;试样冲击区的硬度没有得到显著提高,这和冲击强化有着很大不同;当激光能量的增加或者试样厚度减薄到一定程度时,试样将发生层裂,从其断口的形貌来看,其断裂方式属于韧性断裂.
英文摘要：
The experimental results of metal sheet of 6063 aluminum alloy loaded by shock waves induced by high-power short-duration pulse laser were proposed in this paper.The specimen irradiated by intense laser generates distinct plastic deformation,and the profile of axial cross section of specimen after shocking is similar to a coniform figure.The plastic deformation of specimen grows with the increasing energy of laser and decreases with the enhancing thickness of the specimen.Under the same conditions,the circu...
同期刊论文项目
同项目期刊论文
Theoretical Study on the Bending Deformation of Metal Plate Induced by Repetitive Laser Shot Peening
Numerical Simulation and Response Optimizer Design of Strengthening Effects Induced by Laser Shock P
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