Bridge for the thermodynamics and kinetics of electrochemical corrosion: Modeling on dissolution, ionization, diffusion and deposition in metal/ solution interface

被引：79

作者：

Zhao, Yang ^{[1
]}

Zhang, Tao ^{[1
]}

Xiong, Hang ^{[2
]}

Wang, Fuhui ^{[1
]}

机构：

[1] Northeastern Univ, Shenyang Natl Lab Mat Sci, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China

[2] Harbin Engn Univ, Corros & Protect Lab, Key Lab Superlight Mat & Surface Technol, Minist Educ, Nantong ST 145, Harbin 150001, Peoples R China

来源：

CORROSION SCIENCE | 2021年 / 191卷 / 191期

基金：

中国国家自然科学基金;

关键词：

Low-alloy steel; Modeling studies; Electrochemical calculation; Anodic dissolution; Passivity; CO2; corrosion; STAINLESS-STEELS CORROSION; CARBON-DIOXIDE CORROSION; OIL-FIELD ENVIRONMENT; CO2; CORROSION; MILD-STEEL; HIGH-TEMPERATURE; BEHAVIOR; PRESSURE;

D O I：

10.1016/j.corsci.2021.109763

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new model is describing complex dissolution-ionization-diffusion-deposition (DIDD) process in metal/solution interface. Taking CO2 corrosion of steel as an example for modeling verification, helping to better understand the non-Arrhenius corrosion behavior of 20 steel, especially the role of alloying element Cr on the corrosion resistance. The calculated results have a good agreement with morphology and weight loss. Moreover, a significant contribution of this study is to find a bridge between the thermodynamics and kinetics of electrochemical corrosion, providing a promising tool to develop a deterministic method for corrosion prediction and formulate a set of principles for designing new alloys.

引用

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