H2S/CO2对J55钢腐蚀的影响机制

赵国仙, 王映超, 张思琦, 宋洋

Influence Mechanism of H2S/CO2-charging on Corrosion of J55 Steel in an Artificial Solution

ZHAO Guoxian, WANG Yingchao, ZHANG Siqi, SONG Yang

图5 在4种实验环境中中J55钢的电化学阻抗图谱及等效电路

Fig.5 Electrochemical impedance spectra (a) and equivalent circuit diagrams of J55 steel in the test environments of 1.3 MPa N2, 0.3 MPa H2S+1.0 MPa N2, 0.3 MPa H2S+1.0 MPa CO2 (b) and 1.0 MPa CO2+0.3 MPa N2 (c)