X80钢焊接接头在模拟天然气凝析液中的腐蚀行为

陈芳,李亚东,杨剑,唐晓,李焰

Corrosion Behavior of X80 Steel Welded Joint in Simulated Natural Gas Condensate Solutions

Fang CHEN,Yadong LI,Jian YANG,Xiao TANG,Yan LI

表6 模拟天然气凝析液中X80钢BM和WM在不同HAc浓度的动电位极化曲线拟合数据

Table 6 Fitting data of potentiodynamic polarization curves of BM and WM in simulated natural gas condensate in different concentrations of HAc

Specimen	c(HAc) / %	b_a / mV	b_c / mV	i_corr / (mA·cm^-2)	E_corr / V
BM	0	58	1063	0.0944	-0.667
	0.10	50	247	0.1513	-0.572
	0.30	47	203	0.1469	-0.559
	0.50	40	162	0.1113	-0.544
WM	0	64	997	0.0089	-0.685
	0.10	88	186	0.0355	-0.602
	0.30	85	153	0.0330	-0.589
	0.50	89	172	0.0580	-0.593