无磁钻铤不锈钢激光熔覆层的微观组织与腐蚀磨损特性

纪云瀚, 王勤英, 郑杰, 李怡璇, 西宇辰, 董立谨, 张杨飞, 白树林

Microstructure and Tribocorrosion Behavior of Laser Cladding Coating of a Non-magnetic Drill Collar Stainless Steel

JI Yunhan, WANG Qinying, ZHENG Jie, LI Yixuan, XI Yuchen, DONG Lijin, ZHANG Yangfei, BAI Shulin

表1 图3b中P550不锈钢熔覆层标记位置1和2的EDS元素含量结果

Table 1 EDS elemental content results of marker positions 1 and 2 in Fig.3b of P550 stainless steel coating (mass fraction / %)

Site Fe Cr Mn C N Ni Mo Si 1 44.83 18.24 22.37 8.43 1.02 3.81 0.98 0.33 2 50.84 18.02 16.95 10.85 0.51 2.59 - 0.24