Analysis of hydrogen permeation tests considering two different modelling approaches for grain boundary trapping in iron

The electrochemical permeation test is one of the most used methods for characterising hydrogen diffusion in metals. The flux of hydrogen atoms registered in the oxidation cell might be fitted to obtain apparent diffusivities. The magnitude of this coefficient has a decisive influence on the kinetic...

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Veröffentlicht in:	International journal of fracture 2020-05, Vol.223 (1-2), p.17-35
Hauptverfasser:	Díaz, A., Cuesta, I. I., Martinez-Pañeda, E., Alegre, J. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Automotive Engineering Characterization and Evaluation of Materials Chemistry and Materials Science Civil Engineering Classical Mechanics Computer simulation Continuum modeling Crack propagation Diffusion Diffusion coefficient Fatigue failure Finite element method Flux Grain boundaries Grain size Hydrogen Hydrogen atoms Hydrogen permeation Materials Science Mechanical Engineering One dimensional models Original Paper Oxidation Penetration Polycrystals Short circuits Trapping
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