Results 171 to 180 of about 1,241 (208)
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Impact-deposited white layer on X65 steel
Metallography, 1978Abstract In normal and tangential impact of a tool-steel chisel upon a low-carbon, high-strength X65 line-pipe steel, a hard and etch resistant surface layer is formed. Microprobe analysis shows that this “white-etching layer” is a deposit of chisel material on the surface of the line-pipe material.
F.S. Jeglic, R.H. Packwood
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Evaluation of Simulated Corrosion Pits in X65 Steel
CORROSION 2017, 2017Abstract Pitting corrosion is a form of localized damage that may lead to through-wall failure and loss of containment in vessels and pipelines, either directly through corrosion or indirectly following a pit-to- crack transitional stage.
Farnoosh Farhad +3 more
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Mechanical, microstructure and texture characterization of API X65 steel
Materials & Design, 2013Abstract American Petroleum Institute (API) grade X65 steel plate was characterized for its microstructure, texture and mechanical properties. The microstructure was found to be mainly composed of polygonal ferrite grains coexisting with few quasi polygonal ferrite grains.
Ehab El-Danaf +5 more
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Mechanical Characterization and Adherence of Iron Carbonate on an X65 Steel
CORROSION 2019, 2019Abstract Formation of iron carbonate layers on mild steel is an important factor in CO2 corrosion as they provide a protective barrier that can help preserve pipeline integrity. However, the protectiveness conferred by such layers can be compromised due to their mechanical removal.The main objective of this work was to evaluate the ...
Claudia Prieto +3 more
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Fatigue of stress corrosion cracks in X65 pipeline steels
International Journal of Fatigue, 2008A section of gas pipeline containing stress corrosion cracking (SCC) was removed from service and pressure cycled. SCC cracks were shown to have extended by fatigue. Fatigue crack interaction was found to be a large factor in crack growth characteristics. Crack interaction was found to be influenced by original SCC crack inclination and layout. Fatigue
Gamboa, E., Linton, V., Law, M.
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Corrosion behavior of X65 pipeline steel in coastal areas
Anti-Corrosion Methods and Materials, 2019Purpose To study the corrosion behavior of pipeline steel in coastal areas, a tidal seawater macro-cell corrosion device was built using a cycle soaking tank and a macro-cell corrosion facility to simulate the corrosion behavior of pipeline steel in a simulated coastal environment (dry and wet alternations during seawater-soil corrosion macro-cell ...
BaoZhuang Sun +4 more
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A phenomenological model of ductile fracture for API X65 steel
International Journal of Mechanical Sciences, 2007Abstract This paper presents a phenomenological model of ductile fracture for the API X65 steel using the Gurson–Tvergaard–Needleman (GTN) model. Experimental tests and FE damage simulations using the GTN model are performed for smooth and notched tensile bars, from which the parameters in the GTN model are calibrated. Comparison of experimental data
Chang-Kyun Oh +4 more
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Steel cleanness requirements for X65 to X80 electric resistance welded linepipe steels
Ironmaking & Steelmaking, 2003AbstractIn Australia, a large proportion of the gas pipelines traverse rural areas of low population density with considerable distances between population centres. As these pipelines transport non-sour gas, there have been considerable economic advantages to be gained from the use of thin walled, small diameter, high strength linepipe grades.
I. D. Simpson +2 more
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The influence of macrofouling on the corrosion behaviour of API 5L X65 carbon steel
Biofouling, 2007Seawater is a complex corrosive system, and biofouling is one of the factors that influences corrosion processes. The behaviour of corrosion associated with the development of macrofouling was investigated during the first 6 months of the successional process. Three treatments were compared: the 'Control' treatment (absence of macrofouling); 'Community'
Luciana V R, de Brito +3 more
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Biofilm activity on corrosion of API 5L X65 steel weld bead
Colloids and Surfaces B: Biointerfaces, 2018This work aimed to identify microbial colonization and biocorrosion in welded seam areas of API 5 L X65 carbon steel, since microorganisms are ubiquitous and there is a lack of information on their biological and electrochemical interactions with these structures.
V S, Liduino +2 more
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