Laser shock hardening may change the structure and properties through forming shock wave and causing damage in the surface layer of metal.
激光冲击硬化是通过在材料表层内形成冲击波而引起“损伤”来改变表层的组织和性能。
The hardening gradient and the character of abrasion in hardening layer of hypoeutectoid steel with two kinds of matrixes that was treated by laser beam have been studied.
研究了两种基体的亚共析钢经激光处理后，其硬化层的硬度梯度及其磨损特性。
The results show that, the laser treated layer includes surface melted layer, overheating layer and transformation hardening layer.
结果表明，激光处理层分三层：熔凝层、过热层和相变硬化层。
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