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8 P550不锈钢基体与熔覆层在静态和腐蚀磨损中的动电位极化曲线及开路电位

Fig.8 Potentiodynamic polarization curves of P550 stainless steel substrate and coating under static conditions (a), during tribocorrosion (b), and their corresponding open circuit potentials (c)