Results 1 to 10 of about 288 (113)

Relationship between coercivity and stress of X80 pipeline steel

You-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, LI Kun, DING Rong, PENG Qifeng, LI Yukun, HAN Bin   +5 more
doaj   +2 more sources

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

International 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, Xinghua Tang, Liwei Wang, Cui Wang, Zhenzhen Guo   +4 more
exaly   +3 more sources

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

Materials 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, Ke Jian, Li Lin, Zhengguo Wang, Hang Yang, Yunrong Luo, Shisen Yan, Daqian Zhu   +7 more
doaj   +2 more sources

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

Cailiao 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

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

Journal 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, Qiuyue JIANG, Zhihao FENG, Jiangang WANG, Jianhui LI, Xin ZHANG   +5 more
doaj   +1 more source

Effect of Glutaraldehyde on Corrosion of X80 Pipeline Steel [PDF]

Coatings, 2021
Glutaraldehyde (GA) is widely employed as a biocide to control microbiologically influenced corrosion in oil fields and industrial water treatment. It might be corrosive to metal. In this study, the effect of glutaraldehyde on the corrosion behavior of X80 pipeline steel was investigated using electrochemical measurement, weight-loss tests and scanning
Tian, Feng, Pan, Lin
openaire   +1 more source

Fatigue crack growth model of X80 pipeline steel in hydrogen environment for quantification of hydrogen pressure effect

You-qi chuyun, 2023
With the increasingly imperious demands for energy transformation and development of hydrogen energy utilization in China,X80 high-strength pipeline steel will face the risks of operating in a hydrogen environment. As the in-service pipeline is subjected
GOU Jinxin, NIE Ruyu, XING Xiao, LI Zili, CUI Gan, LIU Jianguo   +5 more
doaj   +1 more source

Progress of research on key influencing factors of stress corrosion cracking of X80 buried pipeline

You-qi chuyun, 2021
With the rapid development of the construction of high-pressure, large-diameter and long-distance X80 pipelines in China, Stress Corrosion Cracking (SCC) has become an important factor threatening the safe operation of pipelines.
Cheng SUN, Boxin WEI, Qingyu TAN, Qi FU, Tangqing WU, Jin XU, Liqun GAO, Zhangkun YU   +7 more
doaj   +1 more source

Modeling the Crack Interference in X80 Oil and Gas Pipeline Weld

Materials, 2023
Based on the numerical simulation method of the virtual crack closure technique (VCCT), an interference model was established to investigate the physical problem of two interacting cracks of different sizes in the welding zone of oil and gas pipelines.
Wei Cui, Zhongmin Xiao, Qiang Zhang, Jie Yang, Ziming Feng   +4 more
openaire   +4 more sources

Ductile Fracture Prediction of X80 Pipeline Steel Using Void Growth Model

Metals, 2022
In this study, the Void Growth Model (VGM) is employed to predict the ductile fracture of X80 pipeline steel. The X80 pipeline tends to be applied in challenging scenarios, such as extremely deep water and long-distance pipelines, which might cause a ...
Chunjian Feng, Zengli Peng, Xin Li, Shiliu Bao, Ximin Jiang   +4 more
doaj   +1 more source