2Cr-1Ni-1.2Mo-0.2V钢在NH4H2PO4溶液中的电化学腐蚀行为研究
|
|
王通, 孟惠民, 葛鹏飞, 李全德, 巩秀芳, 倪荣, 姜英, 龚显龙, 戴君, 隆彬
|
Electrochemical Corrosion Behavior of 2Cr-1Ni-1.2Mo-0.2V Steel in NH4H2PO4 Solution
|
|
WANG Tong, MENG Huimin, GE Pengfei, LI Quande, GONG Xiufang, NI Rong, JIANG Ying, GONG Xianlong, DAI Jun, LONG Bin
|
|
表3 内层腐蚀产物膜中Fe 2p3/2、Cr 2p3/2、Mo 3d的XPS图谱拟合出的峰面积及其所占的比重
|
Table 3 XPS spectra peak aera and its related percentage for Fe, Cr, Mo related compounds in the inner corrosion product film
|
|
| Product | Peak areas (Percentage of peak area / %) |
|---|
| 30 mmo/L | 60 mmo/L | 90 mmo/L | 120 mmo/L |
|---|
| Fe3O4 | 3954.9 (46.7) | 8587.6 (50.4) | 8173.8 (48.6) | 8268.6 (48.0) | | Fe(OH)3 | 1326.4 (15.6) | 2443.3 (14.3) | 2400.9 (14.3) | 1733.0 (10.1) | | Fe3(PO4)2 | 1421.0 (16.8) | 2676.1 (15.7) | 3365.0 (20.0) | 4425.7 (25.7) | | FePO4 | 1770.4 (20.9) | 3347.0 (19.6) | 2884.4 (17.1) | 2801.7 (16.3) | | CrO3 | 1288.6 (61.4) | 3148.7 (45.5) | 3547.3 (41.4) | 2642.8 (31.2) | | Cr(OH)3 | 811.4 (38.6) | 3765.1 (54.5) | 5016.2 (58.6) | 5815.3 (68.8) | | Mo6+ 3d5/2 | 474.7 (60) | 2610.9 (60) | 4025.0 (60) | 4499.5 (61.8) | | Mo6+ 3d3/2 | 316.5 (40) | 1740.6 (40) | 2683.3 (40) | 2778.2 (38.2) |
|
|
|