新型环氧基极地船舶用破冰涂料低温耐磨耐蚀性能研究

孙士斌, 史常伟, 王东胜, 常雪婷, 李明春

Low Temperature Wear and Corrosion Resistance of Epoxy Based Polar Marine Ice Breaking Coatings

SUN Shibin, SHI Changwei, WANG Dongsheng, CHANG Xueting, LI Mingchun

表2 2种BP/EP涂层电化学阻抗谱拟合参数

Table 2 Fitting parameters of EIS of two BP/EP coatings

Sample Time / d Rc / Ω·cm2 Yof / S·sec n ·cm-2 nf Rct/ Ω·cm2 Yodl / S·sec n ·cm-2 ndl BP-1/EP 0 1.13 × 107 1.60 × 10-7 0.366 - - - 10 1.99 × 105 3.99 × 10-10 0.851 1.09 × 10-3 1.99 × 10-7 0.092 BP-2/EP 0 7.91 × 106 3.72 × 10-9 0.9764 1.08 × 107 5.56 × 10-8 0.522 10 1.69 × 104 6.86 × 10-11 0.972 2.47 × 106 1.21 × 10-7 0.344