激光冲击强化对 AlxCoCrFeNi高熵合金激光熔覆层组织及耐磨性能的影响

刘志辉, 张世一, 邹爱华, 张凱尧, 曾卓, 张世翼, 涂嘉剑, 严旭

Effect of Laser Shock Peening on Microstructure and Wear Resistance of AlxCoCrFeNi High Entropy Alloy Laser Cladding Layer

LIU Zhihui, ZHANG Shiyi, ZOU Aihua, ZHANG Kaiyao, ZENG Zhuo, ZHANG Shiyi, TU Jiajian, YAN Xu

表4 激光冲击前后AlxCoCrFeNi系高熵合金熔覆层截面中上部EDS点扫结果

Table 4 EDS point scanning results of the middle and upper parts of cross section of AlxCoCrFeNi high entropy alloy cladding layer before and after laser shock processing (atomic fraction, %)

x Region Co Cr Fe Ni Al x = 0 1 24.42 24.50 26.37 24.71 0 2 24.47 23.36 26.99 25.18 0 3 24.22 26.68 26.29 22.81 0 4 25.39 26.81 25.07 22.73 0 x = 0.3 5 22.13 22.83 24.19 23.89 6.95 6 24.34 23.68 24.17 22.58 6.23 7 22.37 22.62 24.85 23.59 6.56 8 22.98 21.66 24.85 23.97 6.54 x = 0.7 9 20.88 19.93 24.89 23.92 10.38 10 21.90 19.20 24.22 23.34 11.34 11 19.42 22.45 24.50 19.20 14.43 12 21.46 19.69 25.81 23.38 10.30