AH36船用钢海水加速腐蚀试验研究

白雪寒, 丁康康, 张彭辉, 范林, 张慧霞, 刘少通

Accelerated Corrosion Test of AH36 Ship Hull Steel in Marine Environment

BAI Xuehan, DING Kangkang, ZHANG Penghui, FAN Lin, ZHANG Huixia, LIU Shaotong

表2 AH36钢加速腐蚀试验各周期电化学阻抗谱拟合参数

Table 2 Fitting parameters of EIS of AH36 steel during the accelerated corrosion test

Test time / d Qf/ μS·sec n ·cm-2 nf Rf/ Ω·cm2 Qdl / mS·sec n ·cm-2 ndl Rct/ Ω·cm2 0 196.1 0.83 1965 139.4 0.87 871.4 1 215.3 0.77 75.55 444.7 0.41 290.0 2 301.5 0.66 63.87 61.2 0.51 149.1 4 397.3 0.63 79.8 85.6 0.74 79.6 7 8385 0.09 68.5 0.014 0.89 50.4 10 726.5 0.22 70.2 0.01 0.91 269.9 20 47.0 1.00 105.7 0.697 0.24 640.6 30 1.317 0.50 967.6 3.53 0.22 1204.5