Electro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementation

A new theoretical phase field-based formulation for predicting electro-chemo-mechanical corrosion in metals is presented. The model combines electrolyte and interface electrochemical behaviour with a phase field description of mechanically-assisted corrosion accounting for film rupture, dissolution...

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Main Authors: Cui, C, Ma, R, Martínez-Pañeda, E
Format: Journal article
Jezik:English
Izdano: Springer 2023
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author Cui, C
Ma, R
Martínez-Pañeda, E
author_facet Cui, C
Ma, R
Martínez-Pañeda, E
author_sort Cui, C
collection OXFORD
description A new theoretical phase field-based formulation for predicting electro-chemo-mechanical corrosion in metals is presented. The model combines electrolyte and interface electrochemical behaviour with a phase field description of mechanically-assisted corrosion accounting for film rupture, dissolution and repassivation. The theoretical framework is numerically implemented in the finite element package COMSOL MULTIPHYSICS and the resulting model is made freely available. Several numerical experiments are conducted showing that the corrosion predictions by the model naturally capture the influence of varying electrostatic potential and electrolyte concentrations, as well as predicting the sensitivity to the pit geometry and the strength of the passivation film.
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institution University of Oxford
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spelling oxford-uuid:6c83c0aa-dc2f-4f89-9e17-b0f807e022582024-02-29T17:58:00ZElectro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementationJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:6c83c0aa-dc2f-4f89-9e17-b0f807e02258EnglishSymplectic ElementsSpringer2023Cui, CMa, RMartínez-Pañeda, EA new theoretical phase field-based formulation for predicting electro-chemo-mechanical corrosion in metals is presented. The model combines electrolyte and interface electrochemical behaviour with a phase field description of mechanically-assisted corrosion accounting for film rupture, dissolution and repassivation. The theoretical framework is numerically implemented in the finite element package COMSOL MULTIPHYSICS and the resulting model is made freely available. Several numerical experiments are conducted showing that the corrosion predictions by the model naturally capture the influence of varying electrostatic potential and electrolyte concentrations, as well as predicting the sensitivity to the pit geometry and the strength of the passivation film.
spellingShingle Cui, C
Ma, R
Martínez-Pañeda, E
Electro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementation
title Electro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementation
title_full Electro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementation
title_fullStr Electro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementation
title_full_unstemmed Electro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementation
title_short Electro-chemo-mechanical phase field modeling of localized corrosion: theory and COMSOL implementation
title_sort electro chemo mechanical phase field modeling of localized corrosion theory and comsol implementation
work_keys_str_mv AT cuic electrochemomechanicalphasefieldmodelingoflocalizedcorrosiontheoryandcomsolimplementation
AT mar electrochemomechanicalphasefieldmodelingoflocalizedcorrosiontheoryandcomsolimplementation
AT martinezpanedae electrochemomechanicalphasefieldmodelingoflocalizedcorrosiontheoryandcomsolimplementation