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Simulation of hydrogen diffusion in welded joint of X80 pipeline steel
Journal of Central South University, 2014Hydrogen diffusion coefficients of different regions in the welded joint of X80 pipeline steel were measured using the electro-chemical permeation technique. Using ABAQUS software, hydrogen diffusion in X80 pipeline steel welded joint was studied in consideration of the inhomogeneity of the welding zone, and temperature-dependent thermo-physical and ...
Chun-yan Yan +2 more
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New Development of High Grade X80 to X120 Pipeline Steels
Materials and Manufacturing Processes, 2011An overview of the manufacturing technology for high-strength pipeline steels was introduced. The microstructure and mechanical properties of X80, X100, and X120 grade steel plates and pipes were analyzed and discussed. Through the UOE simulator, the changes of mechanical properties after pipe-forming from plate to pipe were evaluated.
Jang-Yong Yoo +4 more
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Welding of the high Grade Pipeline-Steel X80 and Description of Different Pipeline-Projects
Welding in the World, 2008Nowadays already a lot of large onshore-projects have been implemented for the steel X80 with, as it seems, fully satisfactory results. The high grade pipeline-steel X80 is discussed in detail in this paper as well as the various projects performed with X80.
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Effect of a New Quinoline Inhibitor on Corrosion of X80 Pipeline Steel
Applied Mechanics and Materials, 2014The corrosion behavior of X80 pipeline steel with quinoline inhibitor in NACE solution (CO2 environment) at different temperature/different pH/different inhibitor volume fraction was researched using electrochemical test methods. The results show that as the temperature increases from 30°C to 50°C, CO2 corrosion of X80 pipeline steel becomes much ...
Xiao Rui Guan +3 more
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Effect of ionic liquids on the corrosion behaviour of X80 pipeline steel
Materials Science and TechnologyThe study encompasses the synthesis of an ionic liquid corrosion inhibitor using the ion exchange method. Its impact on the corrosion and hydrogen permeation behaviour of X80 pipeline steel in a CO 2 environment is thoroughly investigated. The findings reveal that the corrosion resistance and
Chen Ma +6 more
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IMPACT FRACTURE BEHAVIOR OF X80 PIPELINE STEEL
ACTA METALLURGICA SINICA, 2010Wei DENG +5 more
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