Results 161 to 170 of about 1,410 (212)
Texture Dependent Mechanical Anisotropy of X80 Pipeline Steel
Advanced Engineering Materials, 2010 AbstractPipeline steel grades API X80 are used for oil and gas transport. The most important mechanical properties of these steel grades are strength and fracture toughness. A remarkable directional anisotropy of toughness and strength were often observed in the plates.
N. Sanchez Mouriño +4 more
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Corrosion effect of Bacillus cereus on X80 pipeline steel in a Beijing soil environment
Bioelectrochemistry, 2018 The corrosion of X80 pipeline steel in the presence of Bacillus cereus (B. cereus) was studied through electrochemical and surface analyses and live/dead staining.
Hongxia Wan +2 more
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Failure Analysis of API X80 Steel Pipe
ASME 2023 India Oil and Gas Pipeline Conference, 2023Abstract Pipeline structural systems face challenges due to varying loading conditions, which can lead to sudden failures caused by fractures. Enhancing fracture toughness is crucial for improving structural performance. Metallic coatings offer a promising solution to increase pipeline reliability.
Karan Kumar, Roopa Manjunatha
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Susceptibility of a X80 steel to hydrogen embrittlement
Materials and Corrosion, 2005The susceptibility to hydrogen of a X80 grade steel produced by a thermo-mechanical control process (TMCP) has been investigated by keeping straining notched specimens under continuous charging conditions. Hydrogen charging was carried out either in synthetic seawater under potentiostatic control at − 1000 mV vs.
S. P. Trasatti, E. Sivieri, F. Mazza
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Transitions in Charpy Energy and Splitting for X80 Pipe Steel
Volume 3: Materials Technology, 2021Abstract Using data obtained for a recent production 48-inch diameter X80 PSL2 pipe, the transition in fracture behavior between fully brittle and fully ductile modes was examined to assess any effects of transverse splits or delaminations.
William Mohr +2 more
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Splitting susceptibility in modern X80 pipeline steels
Materials Science and Engineering: A, 2020Abstract The microstructure and crystallographic texture of modern industrially produced API X80 grade pipeline steels were studied to identify the factors associated with the phenomenon known as splitting, which can occur on the fracture surfaces of Charpy, drop-weight tear test and full-scale fracture propagation tests.
Gervasyev, Alexey +4 more
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Toughness anisotropy in X70 and X80 linepipe steels
Materials Science and Technology, 2014The anisotropy of mechanical properties in the context of steels used to fabricate large diameter pipes can be detrimental to the design and performance of the pipes. We examine here the anisotropy of strength and toughness, and with the help of detailed characterisation show that there is a complex interaction between the ability of the steel to ...
Joo, MS +3 more
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Quantification of Splitting in X80 Pipeline Steel
Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, 2018The results of in-depth analysis of microstructure and crystallographic texture of several industrial batches of line pipes with known full-scale burst test results are presented. Several microstructural features promoting splitting are highlighted and quantified using electron back-scattered diffraction (EBSD) data.
Alexey Gervasyev +4 more
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Effects of strain on the corrosion behaviour of X80 steel
Corrosion Science, 2011Abstract The effects of strain on the corrosion behaviour of X80 steel in 0.62 M NaCl aqueous solution were investigated in the present paper. An increase in strain causes the corrosion resistance of the specimen to present a down and up trend, with the lowest point at about 1.0 × 10−3.
Yongxing Wang +4 more
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Fracture Toughness and Application of X80 Pipeline Steel
Materials Science Forum, 2019The fracture toughness of X80 pipeline steel, which has been widely used in China, plays a key role in pipeline safety insurance. In order to know the accurate fracture toughness of X80, the methods of acoustic emission and high K ratio have been carried out to judge the initiation of crack propagation and improve flatness of fatigue pre-crack front ...
Hua Zhang, Hong Zhang, Cai Hong Lu
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