Effect of Temperature on the Electrochemical Corrosion Behavior of X80 Steel in Silty Soil Containing Sodium Chloride

Bai, Xuejuan; He, Bin; Han, Pengju; Xie, Ruizhen; Sun, Funan; Chen, Zhiwei; Liu, Xinyu; Wang, Yuting

doi:10.1007/s11665-021-06245-7

Cited by 4 publications

(1 citation statement)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…That is, the resistance value decreased, and the corrosion rate increased, with increasing Cl − concentration. The impedance modulus in the Bode plots decreased with increasing Cl − concentration, and the corrosion rate also tended to increase with increasing Cl − concentration [ 57 ]. This was consistent with the polarization curve analysis.…”

Section: Resultsmentioning

confidence: 99%

Electrochemical Corrosion Behaviour of X70 Steel under the Action of Capillary Water in Saline Soils

Wei

Feng

et al. 2022

Materials

Self Cite

View full text Add to dashboard Cite

In this paper, the electrochemical corrosion behavior of X70 steel in saline soil under capillary water was simulated by a Geo-experts one-dimensional soil column instrument. A volumetric water content sensor and conductivity test were used to study the migration mechanism of water and salt (sodium chloride) under the capillary water. The electrochemical corrosion behavior of the X70 steel in the corrosion system was analyzed by electrochemical testing as well as the macroscopic and microscopic corrosion morphology of the steel. The test results showed that the corrosion behavior of X70 steel was significantly influenced by the rise of capillary water. In particular, the wetting front during the capillary water rise meant that the X70 steel was located at the three-phase solid/liquid/gas interface at a certain location, which worsened its corrosion behavior. In addition, after the capillary water was stabilized, the salts were transported with the capillary water to the top of the soil column. This resulted in the highest salt content in the soil environment and the most severe corrosion of the X70 steel at this location.

show abstract

Section: Resultsmentioning

confidence: 99%