The influence of a Zr-based conversion treatment on interfacial bonding strength and stability of epoxy coated carbon steel

M. Sababi; H.A. Terryn; J. M C Mol

doi:10.1016/j.porgcoat.2016.11.016

The influence of a Zr-based conversion treatment on interfacial bonding strength and stability of epoxy coated carbon steel

M. Sababi, H.A. Terryn, J. M C Mol^*

^*Corresponding author for this work

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Abstract

The effect of a zirconium (Zr)-based pretreatment on interfacial bonding properties of a fusion bonded epoxy (FBE) coating on carbon steel is investigated. The initiation and kinetics of delamination of epoxy coatings applied on differently pretreated carbon steel surfaces is studied with scanning Kelvin probe (SKP). In-situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) is applied to study interfacial coating-oxide chemistry changes upon electrolyte diffusion towards the buried interface. Corresponding coating degradation is analyzed with the use of electrochemical impedance spectroscopy (EIS). pull off experiments showed a clear beneficial effect of the Zr-based pretreatment improving the dry and wet adhesion properties of the fusion bonded epoxy coating to the carbon steel surface particularly upon exposure to wet and corrosive conditions. This increase in interfacial bonding stability is confirmed by the ATR-FTIR and EIS experiments and delayed and slower delamination was observed in the SKP measurements.

Original language	English
Pages (from-to)	29-36
Journal	Progress in Organic Coatings
Volume	105
DOIs	https://doi.org/10.1016/j.porgcoat.2016.11.016
Publication status	Published - 2017

Bibliographical note

Accepted Author Manuscript

Keywords

ATR-FTIR
Carbon steel
Fusion bonded epoxy
Interfacial bonding
Scanning Kelvin probe
Zr-based treatment

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10.1016/j.porgcoat.2016.11.016

1-s2.0-S0300944016305513-mainFinal published version, 1.19 MBLicence: CC BY-NC-ND

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title = "The influence of a Zr-based conversion treatment on interfacial bonding strength and stability of epoxy coated carbon steel",

abstract = "The effect of a zirconium (Zr)-based pretreatment on interfacial bonding properties of a fusion bonded epoxy (FBE) coating on carbon steel is investigated. The initiation and kinetics of delamination of epoxy coatings applied on differently pretreated carbon steel surfaces is studied with scanning Kelvin probe (SKP). In-situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) is applied to study interfacial coating-oxide chemistry changes upon electrolyte diffusion towards the buried interface. Corresponding coating degradation is analyzed with the use of electrochemical impedance spectroscopy (EIS). pull off experiments showed a clear beneficial effect of the Zr-based pretreatment improving the dry and wet adhesion properties of the fusion bonded epoxy coating to the carbon steel surface particularly upon exposure to wet and corrosive conditions. This increase in interfacial bonding stability is confirmed by the ATR-FTIR and EIS experiments and delayed and slower delamination was observed in the SKP measurements.",

keywords = "ATR-FTIR, Carbon steel, Fusion bonded epoxy, Interfacial bonding, Scanning Kelvin probe, Zr-based treatment",

author = "M. Sababi and H.A. Terryn and Mol, {J. M C}",

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T1 - The influence of a Zr-based conversion treatment on interfacial bonding strength and stability of epoxy coated carbon steel

AU - Sababi, M.

AU - Terryn, H.A.

AU - Mol, J. M C

N1 - Accepted Author Manuscript

PY - 2017

Y1 - 2017

N2 - The effect of a zirconium (Zr)-based pretreatment on interfacial bonding properties of a fusion bonded epoxy (FBE) coating on carbon steel is investigated. The initiation and kinetics of delamination of epoxy coatings applied on differently pretreated carbon steel surfaces is studied with scanning Kelvin probe (SKP). In-situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) is applied to study interfacial coating-oxide chemistry changes upon electrolyte diffusion towards the buried interface. Corresponding coating degradation is analyzed with the use of electrochemical impedance spectroscopy (EIS). pull off experiments showed a clear beneficial effect of the Zr-based pretreatment improving the dry and wet adhesion properties of the fusion bonded epoxy coating to the carbon steel surface particularly upon exposure to wet and corrosive conditions. This increase in interfacial bonding stability is confirmed by the ATR-FTIR and EIS experiments and delayed and slower delamination was observed in the SKP measurements.

AB - The effect of a zirconium (Zr)-based pretreatment on interfacial bonding properties of a fusion bonded epoxy (FBE) coating on carbon steel is investigated. The initiation and kinetics of delamination of epoxy coatings applied on differently pretreated carbon steel surfaces is studied with scanning Kelvin probe (SKP). In-situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) is applied to study interfacial coating-oxide chemistry changes upon electrolyte diffusion towards the buried interface. Corresponding coating degradation is analyzed with the use of electrochemical impedance spectroscopy (EIS). pull off experiments showed a clear beneficial effect of the Zr-based pretreatment improving the dry and wet adhesion properties of the fusion bonded epoxy coating to the carbon steel surface particularly upon exposure to wet and corrosive conditions. This increase in interfacial bonding stability is confirmed by the ATR-FTIR and EIS experiments and delayed and slower delamination was observed in the SKP measurements.

KW - ATR-FTIR

KW - Carbon steel

KW - Fusion bonded epoxy

KW - Interfacial bonding

KW - Scanning Kelvin probe

KW - Zr-based treatment

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U2 - 10.1016/j.porgcoat.2016.11.016

DO - 10.1016/j.porgcoat.2016.11.016

M3 - Article

AN - SCOPUS:85008627313

SN - 0300-9440

VL - 105

SP - 29

EP - 36

JO - Progress in Organic Coatings

JF - Progress in Organic Coatings

ER -

The influence of a Zr-based conversion treatment on interfacial bonding strength and stability of epoxy coated carbon steel

Abstract

Bibliographical note

Keywords

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