Effect of stress and strain on hydrogen permeation process in X80 pipeline steel

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2025-04-11 DOI:10.1016/j.corsci.2025.112934

Shi Zheng , Guijuan Zhou , Shuhui Chen , Wenchao Li , Hongbo Zhang , Yi Qin , Hai Chang , Shi Pu , Feifei Huang , Ke Yang , Zilong Zhao , Chunyin Zhou , Ding Zhang , Wenyue Zheng , Ying Jin

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引用次数: 0

Abstract

Hydrogen permeation kinetics in X80 pipeline steel under different tensile stress-strain conditions were studied using Devanathan-Stachurski experiments and first-principles calculations. Results show that increased tensile stress slightly raises the diffusion coefficient and significantly boosts subsurface hydrogen concentration in elastic deformation. Shallow hydrogen traps formed under micro-plastic deformation impede hydrogen permeation. Operando synchrotron X-ray diffraction confirmed these traps as dislocations and revealed dislocation multiplication before yielding. the relationship between tensile stress and subsurface hydrogen concentration, as well as plastic deformation and hydrogen trap density were established and combined with finite element simulations to demonstrate hydrogen permeation kinetics during elastic-plastic deformation.

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.