2Cr-1Ni-1.2Mo-0.2V钢在NH4H2PO4溶液中的电化学腐蚀行为研究

王通, 孟惠民, 葛鹏飞, 李全德, 巩秀芳, 倪荣, 姜英, 龚显龙, 戴君, 隆彬

Electrochemical Corrosion Behavior of 2Cr-1Ni-1.2Mo-0.2V Steel in NH4H2PO4 Solution

WANG Tong, MENG Huimin, GE Pengfei, LI Quande, GONG Xiufang, NI Rong, JIANG Ying, GONG Xianlong, DAI Jun, LONG Bin

图4 在120 mmol/L NH4H2PO4溶液中浸泡20 h后的1R钢试样表面微观形貌

Fig.4 Micro-morphologies of the outer corrosion product film (a) and the inner corrosion product film (b) of the 1R steel immersed in 120 mmol/L NH4H2PO4 solution for 20 h