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LASER SHOCK PEENING APPARATUS FOR SURFACE OF WORKPIECE, AND LASER SHOCK PEENING METHOD
LASER SHOCK PEENING APPARATUS FOR SURFACE OF WORKPIECE, AND LASER SHOCK PEENING METHOD
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机译:工件表面的激光冲击观察装置及激光冲击观察方法
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摘要
A laser shock peening apparatus for the surface of a workpiece, said apparatus comprising a resonant cavity. When said apparatus is used to conduct laser shock peening, because of the presence of the resonant cavity, shock waves that would typically escape outward may instead be utilized, and composite shock waves may be formed as a result of the wave reflection and convergence effects of the resonant cavity. Said waves can then be used on the surface of a workpiece twice or multiple times, thereby greatly increasing energy utilization rates. In addition, a fluid-based confinement layer is limited to the inside of the resonant cavity and has a fixed shape, thereby effectively solving the problems of the poor stability of a fluid-based confinement layer and the difficulty with controlling the thickness of such a confinement layer.
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