封闭型耐蚀涂层的寿命预测模型研究

禹文娟, 王天丛, 赵东杨, 向雪云, 吴航, 王文

Lifetime Prediction Model for Barrier-type Corrosion-resistant Coating

YU Wenjuan, WANG Tiancong, ZHAO Dongyang, XIANG Xueyun, WU Hang, WANG Wen

表3 涂层厚度、电化学阻抗与测试时间

Table 3 Exposure time, thickness and impedance of the coatings

Exposure time h	Coating thickness μm	Coating impedance 10¹⁰ Ω·cm²	lnZ
0	257	13.00	25.60
168	276	12.63	25.56
672	234	6.20	24.85
1176	247	6.53	24.90
1344	223	4.38	24.50
1512	255	5.93	24.81
1680	285	8.36	25.15
1848	264	5.13	24.66
2016	236	3.73	24.34
2184	252	4.79	24.59
2520	276	5.72	24.77
2688	223	2.51	23.95