尿素对燃煤电厂水冷壁管15CrMo钢腐蚀特性研究
田龙标,朱志平,张春雷,喻强,杨磊

Urea Induced Corrosion of 15CrMo Steel for Water Cooled Wall Tubes in Coal-fired Power Plants
Longbiao TIAN,Zhiping ZHU,Chunlei ZHANG,Qiang YU,Lei YANG
表3 15CrMo钢在尿素分解残液中的阻抗拟合参数
Table 3 Impedance parameters of 15CrMo steel in decomposition residues of urea solutions
Conc. / mg·L-1Rs / Ω·cm-2Cc / μF·cm-2Rct / Ω·cm-2Cdl / μS·secn·cm-2nRc / Ω·cm-2
70329.401.94326530035.380.7850135.80
140251.101.302×10-320660037.100.69351129.00
28068.946.697×10-36514037.500.7667343.60
560186.709.313×10-48777175.200.51102151.00
840215.002.584×10-24333134.600.785980.53