In-coating graphene nano-platelets for environmentally-friendly corrosion protection of iron

C.F. Glover; C. Richards; J. Baker; G. Williams; H.N. McMurray

doi:10.1016/j.corsci.2016.11.009

In-coating graphene nano-platelets for environmentally-friendly corrosion protection of iron

C.F. Glover, C. Richards, J. Baker, G. Williams, H.N. McMurray

Department of Mechanical Engineering

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

45 Citations (SciVal)

Abstract

A primer coating system adherent to iron substrates based on graphene nano-platelets (GNPs) dispersed in polyvinylbutyral (PVB) is presented. Using a scanning Kelvin probe (SKP), the composite coatings are shown to exhibit exceptional resistance to an important corrosion-driven failure process, namely cathodic delamination, when aqueous chloride electrolyte is introduced to a penetrating coating defect. Delamination rate kinetics are shown to correlate strongly with reductions in the rate of oxygen permeation through the coating with increasing GNP pigment volume fraction.

Original language	English
Pages (from-to)	169-172
Journal	Corrosion Science
Volume	114
DOIs	https://doi.org/10.1016/j.corsci.2016.11.009
Publication status	Published - 1 Jan 2017

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10.1016/j.corsci.2016.11.009

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abstract = "A primer coating system adherent to iron substrates based on graphene nano-platelets (GNPs) dispersed in polyvinylbutyral (PVB) is presented. Using a scanning Kelvin probe (SKP), the composite coatings are shown to exhibit exceptional resistance to an important corrosion-driven failure process, namely cathodic delamination, when aqueous chloride electrolyte is introduced to a penetrating coating defect. Delamination rate kinetics are shown to correlate strongly with reductions in the rate of oxygen permeation through the coating with increasing GNP pigment volume fraction.",

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AU - Glover, C.F.

AU - Richards, C.

AU - Baker, J.

AU - Williams, G.

AU - McMurray, H.N.

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AB - A primer coating system adherent to iron substrates based on graphene nano-platelets (GNPs) dispersed in polyvinylbutyral (PVB) is presented. Using a scanning Kelvin probe (SKP), the composite coatings are shown to exhibit exceptional resistance to an important corrosion-driven failure process, namely cathodic delamination, when aqueous chloride electrolyte is introduced to a penetrating coating defect. Delamination rate kinetics are shown to correlate strongly with reductions in the rate of oxygen permeation through the coating with increasing GNP pigment volume fraction.

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JO - Corrosion Science

JF - Corrosion Science

ER -

In-coating graphene nano-platelets for environmentally-friendly corrosion protection of iron

Abstract

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