Results 11 to 20 of about 893 (202)
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
Feng Tian, Lin Pan
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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 +7 more
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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 +4 more
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Study on Coercivity-Stress Relationship of X80 Steel under Biaxial Stress
Advances in Materials Science and Engineering, 2022 Buried pipelines are prone to deformation under surface displacement, pressure occupation, and/or other actions, resulting in stress concentration. Conducting regular stress detection is an important approach to reducing pipeline accidents.
Shulu Feng +6 more
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Journal of Materials Research and Technology, 2023 The stress corrosion cracking (SCC) behavior of X80 pipeline steel under Desulfovibrio desulfurican (D. desulfurican), alternating current (AC) and cathodic protection (CP) was studied by the constant load tests and slow strain rate tensile (SSRT) test ...
Qi Fu +5 more
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Phenomenological 2D and 3D Models of Ductile Fracture for Girth Weld of X80 Pipeline
Buildings, 2023 Welding is the main method for oil/gas steel pipeline connection, and a large number of girth welds are a weak part of the pipeline. Under extremely complex loads, a steel pipeline undergoes significant plastic deformations and eventually leads to ...
Naixian Li +4 more
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Simulation analysis of X80 pipeline steel welding
Metalurgija, 2023 In order to improve the quality of welded joints and increase the service life of pipelines, ABAQUS finite element software was used to simulate the temperature field of 18,4 mm thick X80 pipeline steel in multi-layer and multi pass welding. The peak temperature of different passes was compared, and the change trend of temperature field in the welding ...
Li, M. M. +4 more
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Advances in Materials Science and Engineering, 2017 The mechanical properties of steel pipe have great effects on the integrality and operation safety of gas transmission pipeline. In order to reduce the cost of the steel pipe, the high-Nb X80 pipeline steels with the different alloying systems have been ...
Gui-ying Qiao +6 more
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Effect of Nb Content and Second Heat Cycle Peak Temperatures on Toughness of X80 Pipeline Steel. [PDF]
Materials (Basel), 2023 The microstructure evolution and variation of impact toughness in the heat-affected zone (HAZ) of X80 pipeline steel with different Nb content under different peak temperatures in the secondary thermal cycle were studied through welding thermal ...
Chen Y +6 more
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MetalsThe hydrogen concentration in steel is directly related to the hydrogen embrittlement (HE) sensitivity of the steel. This study combined electrochemical hydrogen charging, the slow strain rate test (SSRT), and hydrogen permeation experiments to ...
Rundong Zhang +7 more
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