690 MPa级耐候桥梁钢焊接接头在模拟工业大气环境下的耐蚀性研究

程鹏, 刘静, 牟文广, 黄峰, 黄先球, 庞涛

Corrosion Behavior of Weld Joint of 690 MPa Weathering Bridge Steel in Simulated Industrial Atmosphere

CHENG Peng, LIU Jing, MU Wenguang, HUANG Feng, HUANG Xianqiu, PANG Tao

表2 3种试样腐蚀不同时间后的EIS拟合参数

Table 2 Fitting results of EIS of the samples after corrosion for different time (Ω·cm²)

Time / h	Sample	R_r	R_ct	R_r+R_ct
0	BM	---	278.8	278.8
	WM	---	308	308
	HAZ	---	254.2	254.2
96	BM	165.3	348.4	513.7
	WM	233	521.9	754.9
	HAZ	140.1	293.6	433.7
192	BM	178.6	393.1	571.7
	WM	207.3	425.8	633.1
	HAZ	169.7	379.7	549.4
384	BM	190.4	395.1	585.5
	WM	225.5	485.7	711.2
	HAZ	119.6	332.9	452.5