纳秒激光辐照对17-4PH不锈钢电化学腐蚀行为的影响

李萍, 时慧杰, 裴继斌, 王子健, 曹铁山, 程从前, 赵杰

Impact of Nanosecond Pulsed Laser Irradiation on Electrochemical Corrosion Behavior of 17-4PH Stainless Steel

LI Ping, SHI Huijie, PEI Jibin, WANG Zijian, CAO Tieshan, CHENG Congqian, ZHAO Jie

图3 不同条件下表面处理样品在3.5%NaCl溶液中动电位测试前后表面与点蚀形貌

Fig.3 Surface morphologies of surface pre-treated 17-4PH stainless steel samples before and after polarization test in 3.5%NaCl solution: (a, b) grinding, (c, d) chemical passivation, (e, f) L1, (g, h) L2