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Direct observations of methane bubbles in a 2–1/4 Cr-1 Mo steel after hydrogen exposure

✍ Scribed by Hakkarainen, T. J. ;Wanagel, J. ;Che-Yu Li,

Book ID
112814783
Publisher
The Minerals, Metals & Materials Society
Year
1980
Tongue
English
Weight
701 KB
Volume
11
Category
Article
ISSN
1543-1916

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The material degradation process hydrogen attack has its origin in the dissolved hydrogen which reacts with the carbon of the steel to form methane inside grain boundary cavities. Hydrogen attack involves several interacting processes such as diffusion of carbon and of the metal atoms; dissolution o