FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements

Mats Meeusen; Joost van dam; Negin Madelat; Ehsan Jalilian; Benny Wouters; Tom Hauffman; Guy Van Assche; Arjan J. M. C. Mol; Annick Hubin; Herman Terryn

doi:10.1016/j.porgcoat.2023.107710

FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements

Mats Meeusen, Joost van dam, Negin Madelat, Ehsan Jalilian, Benny Wouters, Tom Hauffman, Guy Van Assche, Arjan J. M. C. Mol, Annick Hubin, Herman Terryn

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Abstract

water
uptake in organic coatings. To this aim, we start from a physical model, where not only Fickian diffusion of
water is taken into account but also the adsorption/desorption reaction of water on the polymer matrix. Starting
from a number of important coating properties and crucial model parameters, derived from gravimetric and
Fourier transform infrared (FTIR) measurements as the model input, the local water concentration over the coating
thickness as a function of time is modelled for a polyethylene glycol diacrylate (PEGDA) coating. The modelled
water concentration is then used to calculate virtual capacitance values which are evaluated against experimental
capacitance values extracted from impedance measurements. The constraints of the FEM model and ORPEIS
experiments and the discrepancies between them are critically discussed in order to carry out a meaningful
model validation, eventually leading to model improvements.

Original language	English
Article number	107710
Pages (from-to)	1-11
Number of pages	11
Journal	Progress in Organic Coatings
Volume	182
DOIs	https://doi.org/10.1016/j.porgcoat.2023.107710
Publication status	Published - Sep 2023

Bibliographical note

Funding Information:
This research is funded by the SBO project PredictCor (project number: FWOSBO22 ) of the Research Foundation – Flanders (FWO).

Publisher Copyright:
© 2023 Elsevier B.V.

Copyright:
Copyright 2023 Elsevier B.V., All rights reserved.

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10.1016/j.porgcoat.2023.107710

96743022Accepted author manuscript, 1.24 MBLicence: CC BY-NC-ND

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Meeusen, M., van dam, J., Madelat, N., Jalilian, E., Wouters, B., Hauffman, T., Van Assche, G., Mol, A. J. M. C., Hubin, A., & Terryn, H. (2023). FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements. Progress in Organic Coatings, 182, 1-11. [107710]. https://doi.org/10.1016/j.porgcoat.2023.107710

Meeusen, Mats ; van dam, Joost ; Madelat, Negin ; Jalilian, Ehsan ; Wouters, Benny ; Hauffman, Tom ; Van Assche, Guy ; Mol, Arjan J. M. C. ; Hubin, Annick ; Terryn, Herman. / FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements. In: Progress in Organic Coatings. 2023 ; Vol. 182. pp. 1-11.

@article{e7463dd0a4684538967f009e3fc5749a,

title = "FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements",

abstract = "wateruptake in organic coatings. To this aim, we start from a physical model, where not only Fickian diffusion ofwater is taken into account but also the adsorption/desorption reaction of water on the polymer matrix. Startingfrom a number of important coating properties and crucial model parameters, derived from gravimetric andFourier transform infrared (FTIR) measurements as the model input, the local water concentration over the coatingthickness as a function of time is modelled for a polyethylene glycol diacrylate (PEGDA) coating. The modelledwater concentration is then used to calculate virtual capacitance values which are evaluated against experimentalcapacitance values extracted from impedance measurements. The constraints of the FEM model and ORPEISexperiments and the discrepancies between them are critically discussed in order to carry out a meaningfulmodel validation, eventually leading to model improvements.",

author = "Mats Meeusen and {van dam}, Joost and Negin Madelat and Ehsan Jalilian and Benny Wouters and Tom Hauffman and {Van Assche}, Guy and Mol, {Arjan J. M. C.} and Annick Hubin and Herman Terryn",

note = "Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22 ) of the Research Foundation – Flanders (FWO). Publisher Copyright: {\textcopyright} 2023 Elsevier B.V. Copyright: Copyright 2023 Elsevier B.V., All rights reserved.",

year = "2023",

month = sep,

doi = "10.1016/j.porgcoat.2023.107710",

language = "English",

volume = "182",

pages = "1--11",

journal = "Progress in Organic Coatings",

issn = "0300-9440",

publisher = "Elsevier",

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Meeusen, M, van dam, J, Madelat, N , Jalilian, E , Wouters, B , Hauffman, T , Van Assche, G, Mol, AJMC, Hubin, A & Terryn, H 2023, 'FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements', Progress in Organic Coatings, vol. 182, 107710, pp. 1-11. https://doi.org/10.1016/j.porgcoat.2023.107710

FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements. / Meeusen, Mats; van dam, Joost; Madelat, Negin ; Jalilian, Ehsan ; Wouters, Benny ; Hauffman, Tom ; Van Assche, Guy; Mol, Arjan J. M. C.; Hubin, Annick ; Terryn, Herman.

In: Progress in Organic Coatings, Vol. 182, 107710, 09.2023, p. 1-11.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

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AU - Meeusen, Mats

AU - van dam, Joost

AU - Madelat, Negin

AU - Jalilian, Ehsan

AU - Wouters, Benny

AU - Hauffman, Tom

AU - Van Assche, Guy

AU - Mol, Arjan J. M. C.

AU - Hubin, Annick

AU - Terryn, Herman

N1 - Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22 ) of the Research Foundation – Flanders (FWO). Publisher Copyright: © 2023 Elsevier B.V. Copyright: Copyright 2023 Elsevier B.V., All rights reserved.

PY - 2023/9

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SN - 0300-9440

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ER -

FEM modelling to predict spatiotemporally resolved water uptake in organic coatings: Experimental validation by odd random phase electrochemical impedance spectroscopy measurements

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