Results 161 to 170 of about 453 (191)
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Measurement and Analysis of Impact Test Data for X100 Pipeline Steel
Applied Mechanics and Materials, 2006Charpy upper shelf energy is widely used as a fracture controlling parameter to estimate the crack arrest/propagation performance of gas transportation pipeline steels. The measurement of this fracture criterion particularly for modern steels and its apportion into different components, i.e.
S.H. Hashemi +3 more
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Effects of Chloride and Carbonate on Corrosion of API-X100 Pipeline Steel
Journal of Materials Engineering and Performance, 2019Effects of chloride, introduced with 0.03, 0.05, 0.10, 0.12, 0.22, 0.25 M, on the corrosion behavior of API-X100 pipeline steel in 0.15 M carbonate solutions were studied. The evaluations were carried out with monitoring the open-circuit potentials and electrochemical impedance spectroscopy (EIS).
Faysal Fayez Eliyan, Hatem M. Alsyouri
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Corrosion Mechanism of a X100 Pipeline Steel in NACE Brine at 1000 rpm
ECS Transactions, 2021This work shows the research about the corrosion mechanism analysis of a X100 pipeline steel immersed in NACE brine under turbulent flow conditions (1000 and 5000 rpm) at room temperature and atmospheric pressure of Veracruz Port. In order to study the hydrodynamic conditions, a rotating cylinder electrode (RCE) was used, while to the electrochemical ...
Clarisa Campechano-Lira +4 more
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Effect of Prestrain and Aging on Mechanical Properties of X100 Pipeline Steels
ICPTT 2013, 2013Harsh environments that may displace a given pipeline beyond the elastic limit include: seismic areas (that may be susceptible to soil liquefaction, fault displacement or soil instabilities), continuous or discontinuous permafrost (that may result in thaw settlement and frost heave), and construction.
Weiwei Zhang +4 more
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Modeling the fatigue crack growth of X100 pipeline steel in gaseous hydrogen
International Journal of Fatigue, 2014Abstract This work proposes a phenomenological fatigue crack propagation (FCP) model for API-5L X100 pipeline steel exposed to high-pressure gaseous hydrogen. The semi-empirical model is predicated upon the hypothesis that one of two mechanisms dominate the fatigue crack growth (FCG) response depending upon the crack extension per cycle ( da / dN ...
Robert L. Amaro +4 more
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Mechanical Properties of the Heat Affected Zone of an X100 Grade Pipeline Steel
Materials Science Forum, 2013The microstructure and mechanical properties of an X100 grade pipeline steel were investigated by the thermal simulation tests performed on a Gleeble-3500 thermal simulator. The results show that the steel has excellent weldability. Even if the weld heat input gets 40 kJ mm-1, the low impact toughness energy in welding coarse grain heat affected zone ...
Gui Ying Qiao +6 more
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Experimental Investigation of Slant Crack Propagation in X100 Pipeline Steel
2008Failure information from full-thickness burst experiments on long distance gas transportation pipelines has shown that unstable fractures propagating in the pipeline axial direction are dominated by ductile slant shearing [1]–[3]. Different test samples, e.g.
S. H. Hashemi +3 more
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Effect of Crystallographic Texture on Anisotropy of Yield Strength in X100 Pipeline Steel
Journal of Iron and Steel Research International, 2013Abstract The anisotropy of microstructures and mechanical properties in commercial American Petroleum Institute (API) X100 pipeline steel was systematically investigated by experimental measurements. The experimental results show that anisotropy of yield strength could be observed considerably, which should be attributed to the crystallographic ...
Cui Zong, Guo-hui Zhu, Wi-min Mao
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Corrosion of Welded X100 Pipeline Steel in a Near-Neutral pH Solution
Journal of Materials Engineering and Performance, 2009In this work, electrochemical corrosion behavior of a welded X100 pipeline steel was studied in a near-neutral pH solution by electrochemical scanning vibrating electrode technique combined with metallographic and scanning electron microscopy/energy dispersive x-ray analysis.
C. Zhang, Y. F. Cheng
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Effects of Finish Cooling Temperature on Microstructure and Properties of X100 Pipeline Steels
Materials Science Forum, 2016The effect of finish cooling temperature on microstructure and mechanical properties of X100 pipeline steels were investigated through SEM, TEM and mechanical tests. The results showed that the effect of finish cooling temperature on tensile strength of studied steels were slight in the temperature range of 180°C~500°C.
Shu Jun Jia +3 more
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