B10铜镍合金在高浓度NH4+污染海水中腐蚀研究

王家明, 杨昊东, 杜敏, 彭文山, 陈翰林, 郭为民, 蔺存国

Corrosion of B10 Cu-Ni Alloy in Seawater Polluted by High Concentration of NH4+

WANG Jiaming, YANG Haodong, DU Min, PENG Wenshan, CHEN Hanlin, GUO Weimin, LIN Cunguo

表1 B10铜镍合金在腐蚀介质中的EIS拟合数据

Table 1 Fitting data of EIS of B10 Cu-Ni alloy in the corrosive medium

Medium Time / d Rs / Ω·cm2 Cdl1 / μF·cm-2 nd1 Rf / Ω·cm2 Cdl2 / μF·cm-2 nd2 Rct / Ω·cm2 Seawater 1 12.31 87.4 0.6142 48430 78.3 0.7745 4748 7 14.12 76.3 0.7696 53222 74.1 0.8142 17645 15 19.77 68.2 0.8141 51501 69.2 0.8869 16314 20 22.31 35.1 0.8432 59270 34.5 0.8876 16239 24 20.21 19.5 0.7554 37402 23.6 0.7933 12778 30 18.15 55.4 0.7742 47321 44.2 0.7964 13312 Seawater with NH4+ 1 13.35 88.6 0.5831 44339 87.4 0.7421 4938 7 24.31 79.5 0.7167 48174 77.3 0.7545 9945 15 10.36 66.4 0.7494 51325 71.6 0.8955 9866 20 23.33 32.1 0.8125 42543 38.5 0.8146 9742 24 15.15 41.6 0.7247 47980 27.5 0.8032 2389 30 16.14 59.1 0.7688 45436 46.3 0.7742 4445