X80管线钢焊接接头的模拟重构及电偶腐蚀行为表征
李亚东,李强,唐晓,李焰

Reconstruction and Characterization of Galvanic Corrosion Behavior of X80 Pipeline Steel Welded Joints
Yadong LI,Qiang LI,Xiao TANG,Yan LI
表1 X80钢焊接接头各部分在CO2饱和的NACE溶液中的EIS拟合结果
Table 1 Fitting results of the EIS of X80 steel welded joint in NACE solution saturated with CO2

Region

Rs

Ω·cm2

Y0

S·sn·cm-2

n

Rpore

Ω·cm2

Rp

Ω·cm2

Cdl

μF·cm-2

L

H·cm-2

RL

Ω·cm2

BM4.11.5×10-30.67235319482110
ICHAZ0.72.3×10-30.6917283244970
FGHAZ1.01.7×10-30.6722382193473
CGHAZ1.01.4×10-30.68183521180280
WM2.78×10-40.73244720331267