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3 模拟天然气凝析液中X80钢BM和WM在不同温度中的EIS拟合数据

Table 3 Fitting data of EIS of BM and WM in simulated natural gas condensate at different temperatures

Specimen	T ℃	R_s Ω·cm²	C_dl μF·cm^-2	n	R_p Ω·cm²	R_L Ω·cm²	L H·cm^-2
BM	30	3.1	520	0.84	135.0	292.0	312.4
	40	2.7	692	0.85	78.7	234.1	121.3
	50	2.8	1220	0.84	24.6	62.7	14.1
	60	2.7	3210	0.78	11.6	23.6	2.1
WM	30	4.4	164	0.85	304.2
	40	3.8	215	0.84	151.4	-	-
	50	3.2	309	0.82	110.0	-	-
	60	3.0	440	0.83	59.0	-	-