Results 1 to 10 of about 446 (157)

Effect of Nanosized NbC Precipitates on Hydrogen Diffusion in X80 Pipeline Steel. [PDF]

open access: yesMaterials (Basel), 2017
In this paper, the effects of dispersed 3~10 nm NbC precipitates on hydrogen diffusion in X80 pipeline steel were investigated by means of high resolution transmission electron microscopy (HRTEM), electrochemical hydrogen permeation, and thermal desorption spectroscopy (TDS).
Cui Q, Wu J, Xie D, Wu X, Huang Y, Li X.
europepmc   +4 more sources

Hydrogen Damage Behavior of X80 Pipeline Steel Under AC Interference. [PDF]

open access: yesMaterials (Basel)
X80 pipeline steel is a key material in the field of oil and gas transportation. Its damage behavior in a hydrogen-filled environment directly affects pipeline safety. In this study, through hydrogen permeation experiments and slow strain rate tensile tests, the electrochemical responses and hydrogen-induced cracking behaviors of X80 base metal and ...
Li T   +10 more
europepmc   +3 more sources

In Situ Ultrasonic Characterization of Hydrogen Damage Evolution in X80 Pipeline Steel. [PDF]

open access: yesMaterials (Basel)
A nondestructive evaluation of the hydrogen damage of materials in a hydrogen environment is important for monitoring the running conditions of various pieces of equipment. In this work, a new thermostatic electrolytic hydrogenation in situ ultrasonic test system (In Situ TEH-UT) was developed.
Chen B   +5 more
europepmc   +3 more sources

Influence of riboflavin on the corrosion of X80 pipeline steel by Sulfate reducing bacteria

open access: yesMaterials Research Express, 2023
The sulfate reducing bacteria(SRB) is commonly attached to the surface of buried pipeline steel, and the electron shuttle in the corrosion medium can promote the release of electrons from iron oxidation through the bacterial cell wall into the cytoplasm ...
Lei Fu   +7 more
doaj   +2 more sources

Relationship between coercivity and stress of X80 pipeline steel

open access: yesYou-qi chuyun, 2022
The operation environment along the long-distance oil and gas pipelines is complex, and the abnormal external load during pipeline operation may lead to local stress concentration, which will increase the operation risk of pipeline.The coercivity-based ...
CHENG Fanju   +5 more
doaj   +2 more sources

Progress and prospects of research and application of X80 pipeline steel and steel pipe in China

open access: yesYou-qi chuyun, 2020
With the rapid development of oil and gas pipeline construction, X80 pipeline steel and steel pipe have been applied on large scale. The research and application history and main progress of X80 high-grade pipeline steel and steel pipe in China were ...
Yaorong FENG   +4 more
doaj   +2 more sources

Corrosion Behavior of X80 Pipeline Steel under Coupling Effect of Stress and Stray Current

open access: yesInternational Journal of Electrochemical Science, 2014
In this work, the coupling effect of stress and stray current on corrosion of X80 pipeline steel was investigated in soil-simulating solution by open circuit potential (OCP) and corrosion potential test, potentiodynamic polarization measurement and ...
Xinhua Wang   +4 more
doaj   +3 more sources

Quantitative Evaluation of Mechanical Properties of Hydrogen Transmission Pipelines Based on Weak Magnetic Detection [PDF]

open access: yesSensors
With the rapid development of the hydrogen energy industry, long-distance hydrogen transportation based on natural gas pipelines has emerged as a crucial technique.
Siyang Wang   +3 more
doaj   +2 more sources

Effect of applied potentials on the corrosion of X80 pipeline steel in simulated coastal soil solution [PDF]

open access: yesJournal of Hebei University of Science and Technology, 2023
In order to explore the corrosion mechanism of dual-phase X80 pipeline steel in the coastal soil simulation solution environment, the stress corrosion and electrochemical corrosion behavior of dual-phase X80 pipeline steel under different applied ...
Jing MA   +5 more
doaj   +1 more source

Study on Stress Corrosion Behavior of X100 and X80 Pipeline Steels with Applied Potential [PDF]

open access: yesCailiao Baohu, 2023
 Taking X100 and X80 pipeline steels as research objects,their stress-strain curves in air and under different applied potentials were obtained through the slow strain rate tensile test (SSRT).The stress corrosion sensitivity analysis showed that ...
HUANG Tao, GUO Jie, WEI Kai-hua, CHEN Jia-qi, XUE Hui-yong, WANG Xiao-feng
doaj   +1 more source

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