The Analysis of Hydrogen Absorption by the Fatigue Crack in Changeable Loaded Structure

Abstract:

The analysis of literature and own research have showed that there are several important processes in metal pieces coated with plastic cover, which have significant influence on the strength of fatigue. Those processes are caused by generation of electricity in double layer (EDL), affecting the electrode potential shift in positive direction. The increased adhesion forces on the metal substrate is the another factor, which translates into increased strength of fatigue. An equally important issue that could have a significant impact on the growth of strength of fatigue is the penetration of hydrogen into the metal. This phenomenon has been known for a long time, but the mechanism associated with this issue still represents an unexplored area. The aim of this paper is to introduce this mechanism basing mainly on a theoretical analysis of this phenomenon and some selected own research.

• Periodical: Advanced Materials Research (Volume 1036)
• Pages: 541-546
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1036.541
• Online since: October 2014
• Authors: Krzysztof Jamroziak*, Wiesław Jargulinski, Stanislaw Piesiak
• Keywords: Absorption Hydrogen, Adhesion, Electric Double Layer, Electrical Properties, Property

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