Abstract
Hydrogen deformation interactions have been shown to strongly control the mechanisms of hydrogen embrittlement (H.E.) and stress corrosion cracking (SCC) of numerous metals and alloys. Among the different reported interactions an accelerated transport of hydrogen by mobile dislocations was first suggested by Bastien and Azou. This paper reports the first results of an experimental work aimed at the quantitative characterization of the hydrogen transport by mobile dislocations in a nickel base alloy. The procedure was chosen with the goal of correlating the tritium desorption from a tritiated sample undergoing a tensile straining, with the stress/strain curve.
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