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4 模拟天然气凝析液中X80钢BM和WM在不同温度下的动电位极化曲线拟合数据

Table 4 Fitting data of potentiodynamic polarization curves of BM and WM in simulated natural gas condensate at different temperatures

Specimen	T / ℃	b_a / mV	b_c / mV	i_corr / (mA·cm^-2)	E_corr / V
BM	30	40	162	0.111	-0.544
	40	50	231	0.304	-0.559
	50	77	276	0.976	-0.575
	60	83	243	2.562	-0.594
WM	30	89	172	0.058	-0.593
	40	80	152	0.085	-0.598
	50	77	181	0.145	-0.597
	60	73	152	0.246	-0.618