Influence of Hydrogen on the Residual Service Life of a Gas Pipeline in the Maneuvering Mode of Operation

We propose a computational model aimed at finding the service life of a gas pipeline containing a surface corrosion crack under the action of long-term pressure discontinuous as a function of time (maneuvering mode of operation) and in the presence of hydrogenation of its wall. The model is based on...

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Bibliographic Details
Published in:Materials science (New York, N.Y.) N.Y.), 2016, Vol.51 (4), p.500-508
Main Authors: Andreikiv, O. E., Dolins’ka, I. Ya, Kukhar, V. Z., Shtoiko, I. P.
Format: Article
Language:English
Subjects:
Analysis
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion
Corrosion and anti-corrosives
Corrosion mechanisms
Discontinuity
Gas pipelines
Gas transmission industry
Hydrogen
Hydrogen storage
Hydrogenation
Materials Science
Service life
Solid Mechanics
Structural Materials
Walls
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Summary:We propose a computational model aimed at finding the service life of a gas pipeline containing a surface corrosion crack under the action of long-term pressure discontinuous as a function of time (maneuvering mode of operation) and in the presence of hydrogenation of its wall. The model is based on the energy approach developed earlier by the authors and the proposed mechanism of intensification of corrosion processes by diffusively mobile hydrogen. The influence of hydrogenation on the residual service life of the gas pipeline in the maneuvering mode of operation is quantitatively estimated.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-016-9868-6