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2 在120 mmol/L NH4H2PO4溶液中浸泡20 h后的1R钢试样表面腐蚀产物EDS分析
Table 2 EDS analysis of the corrosion product film on the 1R steel immersed in 120 mmol/L NH4H2PO4 solution for 20 h
FilmOPFeCrMo
Mass fraction / %Atomic fraction / %Mass fraction / %Atomic fraction / %Mass fraction / %Atomic fraction / %Mass fraction / %Atomic fraction / %Mass fraction / %Atomic fraction / %
Outer corrosion film51.2274.1216.9312.6631.3713.010.480.21------
Inner corrosion film6.0418.261.131.7688.7076.782.632.451.500.75