Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
Review
Entry of Hydrogen into Metals from Liquid Phase II
—Factors Affecting Hydrogen Entry—
Michihiko Nagumo
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JOURNALS FREE ACCESS

2006 Volume 55 Issue 10 Pages 430-440

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Abstract

Environmental factors that affect the entry of hydrogen into materials are briefly summarized with respect to electrochemical reactions on electrode. Effects of promoters, particularly of H2S, are reviewed concerned with their mechanism. The effects of localized corrosion, such as crevice corrosion and pitting corrosion, and atmospheric corrosion under wet/dry cycles on hydrogen entry are reviewed. Further, interactions between electrochemical reactions on the surface of electrode and plastic deformation, which appear on polarization during stressing, and vice versa, are noticed as phenomena that suggest some surface effects on internal dislocation dynamics.

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© 2006 Japan Society of Corrosion Engineering
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