Matériaux & Techniques
Volume 78, Number 1-2, 1990
|Page(s)||19 - 24|
|Published online||13 April 2017|
Étanchéité à l’hydrogène de revêtements de molybdène. Évolution sous sollicitation mécanique
Evolution under Mechanical Solicitation of Hydrogen - Tightness of Molybdenum Coatings
Laboratoire d’Etudes et Recherches en Mécanique et Énergétique des Surfaces, Nancy (1)
Desorption experiments are used to test hydrogen-tightness of molybdenum coatings under mechanical solicitation. The experiment necessitated the construction of a small-sized ultra-vacuum tensile testing machine. The tested molybdenum coatings (nickel substrate of purity less than 99 % and austenitic stainless steel substrate) are hydrogen tight without external mechanical solicitation. There is a gradual and continuous loss of the hydrogen tightness of the deposit when mecanically solicitated.
© SIRPE 1990
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