Journal ArticleDOI
Quantitative characterization by micro-electrochemical measurements of the synergism of hydrogen, stress and dissolution on near-neutral pH stress corrosion cracking of pipelines
X. Tang,Yufeng Cheng +1 more
TLDR
In this article, micro-electrochemical techniques, including localized electrochemical impedance spectroscopy and scanning vibrating electrode technique, were used to characterize quantitatively the synergistic effects of hydrogen and stress on local dissolution at crack-tip of a X70 pipeline steel in a near-neutral pH solution.About:
This article is published in Corrosion Science.The article was published on 2011-09-01. It has received 55 citations till now. The article focuses on the topics: Stress corrosion cracking & Corrosion.read more
Citations
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Journal ArticleDOI
Effect of plastic deformation on the electrochemical and stress corrosion cracking behavior of X70 steel in near-neutral pH environment
TL;DR: In this article, the effect of plastic deformation on the electrochemical and stress corrosion cracking (SCC) behavior of X70 steel in near-neutral pH environment was investigated, and the deformation-induced increase in electrochemical activity, dislocation density and heterogeneity, and surface roughness accelerated the corrosion, especially the cathodic reactions.
Journal ArticleDOI
Effect of hydrogen-induced plasticity on the stress corrosion cracking of X70 pipeline steel in simulated soil environments
Zhiyong Liu,Zhiyong Liu,Xian-Zong Wang,Chang Du,Chang Du,Junbo Li,Junbo Li,Xiaogang Li,Xiaogang Li,Xiaogang Li +9 more
TL;DR: In this paper, the susceptibility of X70 pipeline steel under cathodic protection in near neutral pH and acidic solutions was investigated by slow-strain-rate tensile test, circumferential-notch tensile (CNT) test, and three-point-bending (TPB) test.
Journal ArticleDOI
The influence of microstructure on the protective properties of the corrosion product layer generated on the welded API X70 steel in chloride solution
Mostafa Alizadeh,Sajjad Bordbar +1 more
TL;DR: In this article, a heat treatment process was used to investigate the influence of microstructure alteration on the corrosion behavior of base metal (BM), heat affected zone (HAZ) and weld metal (WM) in welded pipe steel of grade API X70.
Journal ArticleDOI
Investigating the mechanism of stress corrosion cracking in near-neutral and high pH environments for API 5L X52 steel
Mehdi Javidi,S. Bahalaou Horeh +1 more
TL;DR: In this article, the authors studied the crack behavior of API-5L-X52 steel under cathodic protection in near-neutral and high pH conditions using slow strain rate test method and electrochemical measurements.
References
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Journal ArticleDOI
Transgranular Stress Corrosion Cracking of High-Pressure Pipelines in Contact with Solutions of Near Neutral pH
TL;DR: Although intergranular stress corrosion cracking (IGSCC) of high-pressure gas pipelines has been known for more than 20 years, a transgranular form (TGSCC) was detected more recently as discussed by the authors.
Journal ArticleDOI
The role of residual stress in neutral pH stress corrosion cracking of pipeline steels. Part I: Pitting and cracking occurrence
TL;DR: In this article, tensile test specimens were fabricated with increasing levels of compressive and tensile residual stress on the surface and through the thickness of the specimen and these residual stresses were then measured by neutron diffraction at multiple points along the length and through depth of the specimens.
Journal ArticleDOI
Analysis of electrochemical hydrogen permeation through X-65 pipeline steel and its implications on pipeline stress corrosion cracking
TL;DR: In this paper, the authors measured the hydrogen permeation current through the X-65 pipeline steel in the electrolytes simulating the soil conditions to initiate near-neutral pH stress corrosion cracking (SCC) in pipelines.
Journal ArticleDOI
Review of stress corrosion cracking of pipeline steels in "low" and "high" pH solutions
TL;DR: In this article, the authors reviewed the current understanding of the mechanisms of stress corrosion cracking of pipeline steels and considered the similarities, the differences and the influencing factors for the high pH and low pH stress corrosion cracks caused by a concentrated bicarbonate-carbonate solution.
Journal ArticleDOI
Effect of inclusions on initiation of stress corrosion cracks in X70 pipeline steel in an acidic soil environment
TL;DR: In this article, the effect of inclusions on the initiation of stress corrosion cracking (SCC) X70 pipeline steel was investigated in an acidic soil solution using slow strain rate test, scanning electron microscopy and energy-dispersive X-ray techniques.
Related Papers (5)
Transgranular Stress Corrosion Cracking of High-Pressure Pipelines in Contact with Solutions of Near Neutral pH
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L.Y. Xu,Yufeng Cheng +1 more