氧化石墨烯改性环氧隔热涂层的耐蚀和隔热性能研究
梁新磊, 刘茜, 王刚, 王震宇, 韩恩厚, 王帅, 易祖耀, 李娜

Study on Corrosion Resistance and Thermal Insulation Properties of Graphene Oxide Modified Epoxy Thermal Insulation Coating
LIANG Xinlei, LIU Qian, WANG Gang, WANG Zhenyu, HAN En-Hou, WANG Shuai, YI Zuyao, LI Na
表1 不同涂层在3.5% NaCl溶液(50℃)中浸泡24 h和432 h后的EIS拟合结果
Table 1 Fitting results of EIS for different coatings after immersing in 3.5% NaCl solution (50℃) for 24 h and 432 h
Time / hSample

Rs

/Ω·cm2

Qcoat

/sn·Ω-1·cm-2

αcoat

Ceffcoat

/F·cm-2

Rcoat

/Ω·cm2

Rct

/Ω·cm2

24120.334.26 × 10-90.88274.90 × 10-101.17 × 1055.56 × 105
218.651.81 × 10-100.92254.26 × 10-103.11 × 1053.68 × 106
318.932.13 × 10-90.91914.76 × 10-103.00 × 1052.84 × 106
432122.316.48 × 10-90.87126.31 × 10-104.22 × 1031.41 × 104
218.982.51 × 10-100.90754.50 × 10-101.15 × 1055.14 × 105
319.524.18 × 10-90.88995.55 × 10-107.47 × 1043.31 × 105