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

图2 P550不锈钢基体与熔覆层经10%草酸溶液电解腐蚀后的光学显微组织

Fig.2 Optical microstructures of P550 stainless steel substrate and coating after electrolytic etching in 10% oxalic acid solution: (a, b) surfaces, (c) cross-section, (d) substrate