高温热还原氧化石墨烯/聚酰亚胺复合涂层的制备及防腐蚀性能研究
|
|
贾营坤, 陈培, 张青红, 孙静
|
Thermal Reduced Graphene Oxide/Polyimide Nanocomposite Coating: Fabrication and Anticorrosive Property
|
|
Ying-Kun JIA, Pei CHEN, Qing-Hong ZHANG, Jing SUN
|
|
| 表2 不同样品涂层的电化学腐蚀参数 |
| Table 2 Corrosion parameters of bare 304SS, pure PI, TRGO/PI-coated 304SS electrodes immersed in 3.5 wt% NaCl solution after 6 h |
|
| Sample | Ecorr/V | Icorr/(A·cm-1) | ba/(mV·dec-1) | bc/(mV·dec-1) | Rp/(kΩ·cm2) | Thickness/μm | PEF/% | | Bare steel | -0.53 | 1.319×10-4 | 11 | 4423 | 0.744 | - | - | | Pure PI | -0.40 | 1.490×10-6 | 1408 | 5960 | 36.931 | 1.30 | 98.87 | | TRGO0.1/PI | -0.31 | 8.513×10-7 | 4312 | 5946 | 49.785 | 1.30 | 99.35 | | TRGO0.2/PI | -0.28 | 6.199×10-7 | 1145 | 7123 | 108.823 | 1.30 | 99.53 | | TRGO0.3/PI | -0.24 | 4.616×10-7 | 3036 | 8532 | 158.105 | 1.30 | 99.65 | | TRGO0.4/PI | -0.34 | 5.865×10-7 | 2800 | 5227 | 96.969 | 1.30 | 99.56 | | TRGO0.5/PI | -0.36 | 1.070×10-6 | 3463 | 5388 | 44.839 | 1.30 | 99.19 |
|
|
|