Influence of different heat-affected zone microstructures on the stress corrosion behavior and mechanism of high-strength low-alloy steel in a sulfurated marine atmosphere

• Published in: Materials science & engineering. A, Structural materials : properties, microstructure and processing Vol. 759; pp. 124 - 141
• Main Authors: Wu, Wei, Liu, Zhiyong, Li, Xiaogang, Du, Cuiwei, Cui, Zhongyu
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 24.06.2019; Elsevier BV
• Subjects: Anodic dissolution; Austenite; Bainite; Corrosion mechanisms; Crack initiation; Crack propagation; Dislocation density; Dissolution; Grain boundaries; HAZ microstructure; Heat affected zone; Heat treating; High strength low alloy steels; HSLA steel; Hydrogen embrittlement; Lath bainite; Martensite; Microcracks; Regeneration; SCC; Slow strain rate; SO2-Polluted marine atmosphere; Stress corrosion cracking; Synergistic effect; SCC; HAZ microstructure; SO2-Polluted marine atmosphere; Lath bainite; HSLA steel; Crack initiation

The stress corrosion cracking (SCC) behavior and mechanism of the simulated heat-affected zone (HAZ) of high-strength low-alloy (HSLA) steel in a sulfurated marine atmosphere were surveyed in detail using electrochemical measurements and slow strain rate tensile (SSRT) tests combined with microstruc...