Computational model for carbon diffusion and methane formation in a ferritic steel during hydrogen attack

Hydrogen attack is a material degradation process which involves partial dissolution of the microstructure in favor of the growth of methane-filled cavities. The various physical–chemical processes involved are strongly coupled. We present a numerical microstructural model for two of these processes...

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Bibliographic Details
Published in:Scripta materialia 2002-03, Vol.46 (6), p.431-436
Main Authors: Schlögl, S.M., Van der Giessen, E.
Format: Article
Language:English
Subjects:
Applied sciences
Bulk diffusion
Computer simulation
Corrosion
Corrosion mechanisms
Exact sciences and technology
High temperature corrosion
Kinetics
Metals. Metallurgy
Steel
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Summary:Hydrogen attack is a material degradation process which involves partial dissolution of the microstructure in favor of the growth of methane-filled cavities. The various physical–chemical processes involved are strongly coupled. We present a numerical microstructural model for two of these processes, based on a variational approach.
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(02)00008-8