应用激光冲击强化处理技术, 对不同状态下Fe40NiCrSiAl合金材料进行了强化处理, 并对其硬度、弹性模量、摩擦系数和磨损特征进行了测试和分析。实验结果表明, 激光冲击处理轧制态Fe40NiCrSiAl合金, 其硬度提高了25.22%, 弹性模量提高了7.17%, 摩擦系数降低了13%, 以剥落磨损为主; 激光冲击处理轧制态Fe40NiCrSiAl合金后再进行退火处理, 其硬度下降了7.59%, 弹性模量下降了6.25%, 摩擦系数降低了13%, 以磨粒磨损为主; 轧制态材料经纯退火处理后, 硬度降低了21.65%, 弹性模量下降了28.58%, 摩擦系数基本不变, 以磨粒磨损为主。

The Fe40NiCrSiAl alloy in different treatments is strengthened by laser shock processing, and the hardness, elastic modulus, friction of coefficient and wear behavior are tested and analyzed. The results indicate that, Fe40NiCrSiAl alloy is in rolling, which has been treated by laser shock processing, the hardness of the strengthened zone increases by 25.22%, the elastic modulus enhances by 7.17%, friction of coefficient reduces by 13%, and the wear behavior is mainly delamination wear. Fe40NiCrSiAl alloy is in rolling, which has been treated by laser shock processing plus annealing, the hardness of the strengthened zone reduces by 7.59%, the elastic modulus reduces by 6.25%, the friction of coefficient reduces by 13% too, and the wear behavior is mainly abrasive wear. Fe40NiCrSiAl alloy is rolling, which has been treated by annealed, the hardness reduces by 21.65%, the elastic modulus reduces by 28.58%, the friction of coefficient is almost unchanged, and the wear behavior is mainly abrasive wear.