Results 1 to 10 of about 331 (90)

Microstructure and electrochemical corrosion behaviour of API 5L X90 pipeline steel in a simulated soil environment [PDF]

open access: yesJournal of Electrochemical Science and Engineering
API 5L X90 pipeline steel, valued for its high strength in oil and gas pipelines, is susceptible to corrosion in aggressive soil environments containing moisture, chlorides, and other corrosive agents.
Mahdi Yeganeh   +2 more
doaj   +5 more sources

Stress Triaxial Constraint and Fracture Toughness Properties of X90 Pipeline Steel [PDF]

open access: yesMetals, 2022
The X90 pipeline steel with high-strength and high-toughness become the most popular pipeline steel. Due to the stress triaxial constraint and fracture toughness properties are the key factors for the stable work of pipeline steel, the research on the ...
Peng Wang   +5 more
doaj   +2 more sources

Effect of Finish Rolling Temperature on the Microstructure and Tensile Properties of Nb–Ti Microalloyed X90 Pipeline Steel [PDF]

open access: yesMetals, 2016
The relationship between microstructure and tensile properties of an Nb–Ti microalloyed X90 pipeline steel was studied as a function of finish rolling temperature using a Gleeble 3500 simulator, an optical and scanning electron microscope, electron back ...
Bin Guo   +5 more
doaj   +2 more sources

The Role of the Bainitic Packet in Control of Impact Toughness in a Simulated CGHAZ of X90 Pipeline Steel [PDF]

open access: yesMetals, 2016
X90 pipeline steel was processed with the simulated coarse grain heat affect zone (CGHAZ) thermal cycle with heat input varying from 30 kJ/cm to 60 kJ/cm, the microstructures were investigated by means of optical microscope (OM), scanning electron ...
Bin Guo   +5 more
doaj   +2 more sources

Effects of the Wire Feeding Speed on the Mechanical Properties and Electrochemical Corrosion Behaviors of a Hybrid Laser-MAG Welded X90 Pipeline Steel

open access: yesInternational Journal of Electrochemical Science, 2020
This paper studies the welding of X90 pipeline steel with ER100S-G welding wire via laser-metal active gas arc (laser-MAG) hybrid welding and explores the effects of three wire feeding speeds (8.5 mm/s, 9 mm/s, and 9.5 mm/s) on the microstructure ...
Mei Yang   +5 more
doaj   +2 more sources

Stress corrosion cracking behavior of X90 pipeline steel and its weld joint at different applied potentials in near-neutral solutions

open access: yesNatural Gas Industry B, 2019
X90 pipeline steel is a new generation of pipeline steel developed after X80 and X100 pipeline steels, and it is now a new research hotspot at home. In order to thoroughly study the effect of applied potential on the soil stress corrosion cracking (SCC ...
Jinheng Luo   +5 more
doaj   +2 more sources

Combined acoustic emission and electrochemical methods for analyzing the uniform corrosion behavior of X90 high-grade steel pipelines

open access: yesAin Shams Engineering Journal
Long-distance, large-diameter, and high-pressure pipelines represent the future of oil and gas pipeline construction. X90 pipeline steel is expected to become the standard steel due to its high transmission efficiency and lower cost in the future, yet ...
Haisheng Bi   +7 more
doaj   +2 more sources

Comparative analysis of dynamic strength and impact toughness of pipe steels [PDF]

open access: yesEPJ Web of Conferences, 2021
To study the dynamic strength of pipe steels, a cycle of dynamic tests of three grades of pipeline steels (X80, X90, and X100) was performed, which included three types of experiments based on the Kolsky method: uniaxial tension of smooth specimens, as ...
Bragov Anatoly   +3 more
doaj   +1 more source

Experimental study on repair of cracked pipe under internal pressure [PDF]

open access: yes, 2022
Repair of cracked pipeline under internal pressure (IP) was investigated in the current work. To such aim, the test the experiment has been done on the cracked pipeline to find failure pressure (FP).
Abduljabbar, Ali   +2 more
core   +5 more sources

Surface Coatings and Treatments for Controlled Hydrate Formation: A Mini Review [PDF]

open access: yes, 2021
LA/P/0008/2020Gas hydrates (GHs) are known to pose serious flow assurance challenges for the oil and gas industry. Neverthless, over the last few decades, gas hydrates-based technology has been explored for various energy- and environmentally related ...
Altamash, Tausif   +2 more
core   +1 more source

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