海洋用高强钢E690氧浓差腐蚀行为研究

邢佩, 卢琳, 李晓刚

Oxygen-concentration Cell Induced Corrosion of E690 Steel for Ocean Platform

XING Pei, LU Lin, LI Xiaogang

表6 产物拉曼峰和标准特征峰位的对应表

Table 6 Raman peak frequencies of corrosion products and standard rust phase

Raman peak frequencies of corrosion products / cm-1 Raman peak frequencies of standard rust phase / cm-1 Corrosion products Corrosion products made by polarization 218, 286, 489, 225, 245, 295, 415, 500, 615, α-Fe2O3 328, 406 330, 415, 745 β-FeOOH Corrosion products on the cathode surface of the oxygenconcentration corrosion cell 319, 680 298, 319, 420, 560, 680, 1322 Fe3O4 Corrosion products after immersed in solution 265, 345, 386, 265, 300, 345, 395, 515, 645, 670, 715, γ-Fe2O3 485, 680 248, 303, 397, 485, 554, 680, 1002 α-FeOOH