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

表4 内层腐蚀产物膜中主要元素含量

Table 4 Atom percent of the main elements in the inner corrosion product film

Solution CFe / % CCr / % CMo / % 30 mmol/L 73.7 22.2 4.1 60 mmol/L 60.8 30.0 9.2 90 mmol/L 53.9 33.4 12.7 120 mmol/L 54.0 32.4 13.6