温度对B10铜镍合金管冲刷腐蚀行为影响规律研究

王晓, 李明, 刘峰, 王忠平, 李相波, 李宁旺

Effect of Temperature on Erosion-corrosion Behavior of B10 Cu-Ni Alloy Pipe

WANG Xiao, LI Ming, LIU Feng, WANG Zhongping, LI Xiangbo, LI Ningwang

表3 B10管在不同温度海水中冲刷腐蚀不同时间的EIS拟合数据

Table 3 Fitting data of EIS of B10 pipe after erosion-corrosion at different temperatures for different time

Temperature / ℃ Time / d Rs / Ω·cm2 CPE1 / μF·cm-2·S-n n1 Rf / Ω·cm² CPE2 / μF·cm-2·S-n n2 Rct / Ω·cm² 10 0 28.04 4.09 0.8504 2,367 342.1 0.6963 25.00 1 26.16 3.92 0.8742 3,110 255.8 0.7324 27.31 3 29.72 2.46 0.7527 4,174 462.4 0.6577 33.2 7 34.25 3.49 0.7654 4,779 216.1 0.7467 38.32 15 29.7 2.58 0.7529 3,722 321.3 0.7025 40.48 30 30.17 2.08 0.7622 4,882 273.4 0.7991 42.61 25 0 14.02 4.81 0.6875 990 283.9 0.7943 16.18 1 14.07 7.19 0.8983 1,554 275.9 0.7666 19.49 3 18.01 9.38 0.7566 1,842 215.7 0.8092 23.92 7 12.38 5.21 0.8113 1,943 232.1 0.7986 24.34 15 17.09 2.87 0.3574 2,040 165.8 0.8519 26.72 30 9.84 2.04 0.7951 2,410 58.39 0.9378 28.85 35 0 14.90 7.09 0.7463 390.4 413.6 0.8197 10.10 1 12.87 7.75 0.7649 870.4 453.4 0.8875 15.17 3 12.38 9.49 0.7049 1,339 301.9 0.8804 20.38 7 29.32 5.15 0.7654 1,492 116.2 0.6892 21.89 15 7.65 7.84 0.7361 637.2 553.3 0.7807 14.68 30 14.89 6.47 0.9495 666.9 577.4 0.7038 15.03 50 0 18.99 8.82 0.9323 323.4 330.7 0.8009 9.27 1 24.66 6.53 0.9988 343.6 279.0 0.8252 13.72 3 16.06 5.22 0.7846 367.3 317.8 0.8452 17.03 7 18.69 6.75 0.7341 381.8 281.8 0.8989 18.45 15 21.46 7.78 0.7246 389.2 271.3 0.8257 18.58 30 26.22 6.64 0.8943 348.2 256.9 0.7361 13.23