Investigating the influence of pigmentation on the electrolyte transport properties of organic coatings using ORP-EIS

Negin Madelat; Benny Wouters; Peter Visser; Zahra Jiryaeisharahi; Kristof Marcoen; Shohsan T. Abrahami; Annick Hubin; Herman Terryn; Tom Hauffman

doi:10.1016/j.corsci.2023.111699

Investigating the influence of pigmentation on the electrolyte transport properties of organic coatings using ORP-EIS

Negin Madelat, Benny Wouters, Peter Visser, Zahra Jiryaeisharahi, Kristof Marcoen, Shohsan T. Abrahami, Annick Hubin, Herman Terryn, Tom Hauffman

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

3 Citations (Scopus)

Abstract

In this work, the correlation between electrolyte transport properties and the variation of pigment volume concentration (PVC) in a series of organic coatings is explored. Using an odd random phase electrochemical impedance spectroscopy (ORP-EIS) approach, the diffusion of ions independent from water take-up is analysed. A higher PVC resulted in a more homogeneous coating morphology, which could be associated with a faster diffusion of ions following a Fickian regime and enhanced water uptake. In the case of lower pigment loading, the obtained heterogenous morphology of the coating introduced new challenges to the physical interpretation of the proposed electrochemical equivalent circuit.

Original language	English
Article number	111699
Number of pages	14
Journal	Corrosion Science
Volume	227
DOIs	https://doi.org/10.1016/j.corsci.2023.111699
Publication status	Published - Feb 2024

Bibliographical note

Funding Information:
This research is funded by the SBO project PredictCor (project number: FWOSBO22) of the Research Foundation – Flanders (FWO). Special thanks go to OCAS for their help with GDOES measurements and Priya Laha from Vrije Universiteit Brussel for SEM measurements.

Funding Information:
This research is funded by the SBO project PredictCor (project number: FWOSBO22 ) of the Research Foundation – Flanders (FWO). Special thanks go to OCAS for their help with GDOES measurements and Priya Laha from Vrije Universiteit Brussel for SEM measurements.

Publisher Copyright:
© 2023 Elsevier Ltd

Keywords

GDOES
Ion diffusion
Organic coating
ORP-EIS
Water uptake

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10.1016/j.corsci.2023.111699

Corrosion-Science-Negin-Madelat-revised-cleanAccepted author manuscript, 2.52 MBLicence: Unspecified

Cite this

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title = "Investigating the influence of pigmentation on the electrolyte transport properties of organic coatings using ORP-EIS",

abstract = "In this work, the correlation between electrolyte transport properties and the variation of pigment volume concentration (PVC) in a series of organic coatings is explored. Using an odd random phase electrochemical impedance spectroscopy (ORP-EIS) approach, the diffusion of ions independent from water take-up is analysed. A higher PVC resulted in a more homogeneous coating morphology, which could be associated with a faster diffusion of ions following a Fickian regime and enhanced water uptake. In the case of lower pigment loading, the obtained heterogenous morphology of the coating introduced new challenges to the physical interpretation of the proposed electrochemical equivalent circuit.",

keywords = "GDOES, Ion diffusion, Organic coating, ORP-EIS, Water uptake",

author = "Negin Madelat and Benny Wouters and Peter Visser and Zahra Jiryaeisharahi and Kristof Marcoen and Abrahami, {Shohsan T.} and Annick Hubin and Herman Terryn and Tom Hauffman",

note = "Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22) of the Research Foundation – Flanders (FWO). Special thanks go to OCAS for their help with GDOES measurements and Priya Laha from Vrije Universiteit Brussel for SEM measurements. Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22 ) of the Research Foundation – Flanders (FWO). Special thanks go to OCAS for their help with GDOES measurements and Priya Laha from Vrije Universiteit Brussel for SEM measurements. Publisher Copyright: {\textcopyright} 2023 Elsevier Ltd",

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doi = "10.1016/j.corsci.2023.111699",

language = "English",

volume = "227",

journal = "Corrosion Science",

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Investigating the influence of pigmentation on the electrolyte transport properties of organic coatings using ORP-EIS. / Madelat, Negin ; Wouters, Benny; Visser, Peter; Jiryaeisharahi, Zahra ; Marcoen, Kristof; Abrahami, Shohsan T.; Hubin, Annick ; Terryn, Herman ; Hauffman, Tom.

In: Corrosion Science, Vol. 227, 111699, 02.2024.

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

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AU - Madelat, Negin

AU - Wouters, Benny

AU - Visser, Peter

AU - Jiryaeisharahi, Zahra

AU - Marcoen, Kristof

AU - Abrahami, Shohsan T.

AU - Hubin, Annick

AU - Terryn, Herman

AU - Hauffman, Tom

N1 - Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22) of the Research Foundation – Flanders (FWO). Special thanks go to OCAS for their help with GDOES measurements and Priya Laha from Vrije Universiteit Brussel for SEM measurements. Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22 ) of the Research Foundation – Flanders (FWO). Special thanks go to OCAS for their help with GDOES measurements and Priya Laha from Vrije Universiteit Brussel for SEM measurements. Publisher Copyright: © 2023 Elsevier Ltd

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AB - In this work, the correlation between electrolyte transport properties and the variation of pigment volume concentration (PVC) in a series of organic coatings is explored. Using an odd random phase electrochemical impedance spectroscopy (ORP-EIS) approach, the diffusion of ions independent from water take-up is analysed. A higher PVC resulted in a more homogeneous coating morphology, which could be associated with a faster diffusion of ions following a Fickian regime and enhanced water uptake. In the case of lower pigment loading, the obtained heterogenous morphology of the coating introduced new challenges to the physical interpretation of the proposed electrochemical equivalent circuit.

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Investigating the influence of pigmentation on the electrolyte transport properties of organic coatings using ORP-EIS

Abstract

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Keywords

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