The effect of laser shock processing on the microstructure, hardness and residual stress of an austenitic steel 1Cr18Ni9Ti and a Ni base superalloy GH30 is studied as a functions of laser shock processing variables.

• 利用激光冲击强化技术分别对奥氏体不锈钢 1Cr18Ni9Ti和镍基高温合金 GH30进行了表面强化处理 ；观察了激光表面强化处理后 1Cr18Ni9Ti和 GH30显微组织与结构的变化 ；测定了1Cr18Ni9Ti和 GH30的显微硬度和残余应力 .