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The application of neutron reflectometry and atomic force microscopy in the study of corrosion inhibitor films

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Authors
John, Doug
Blom, A.
Bailey, Stuart
Nelson, A.
Schulz, J.
De Marco, Roland
Kinsella, Brian
Date
2006
Type
Journal Article

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John, Douglas and Blom, Annabelle and Bailey, Stuart and Nelson, Andrew and Schulz, Jamie and De Marco, Roland and Kinsella, Brian. 2006. The application of neutron reflectometry and atomic force microscopy in the study of corrosion inhibitor films. Physica B 385-386: 924-926.
Source Title
Physica B
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Department of Applied Chemistry
Division of Engineering, Science and Computing
Faculty of Science
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John, Douglas and Blom, Annabelle and Bailey, Stuart and Nelson, Andrew and Schulz, Jamie and De Marco, Roland and Kinsella, Brian (2006) The application of neutron reflectometry and atomic force microscopy in the study of corrosion inhibitor films, Physica B 385-386:924-926.

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Copyright 2006 Elsevier B.V. All rights reserved

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Abstract

Corrosion inhibitor molecules function by adsorbing to a steel surface and thus prevent oxidation of the metal. The interfacial structures formed by a range of corrosion inhibitor molecules have been investigated by in situ measurements based on atomic force microscopy and neutron reflectometry. Inhibitors investigated include molecules cetyl pyridinium chloride (CPC), dodecyl pyridinium chloride (DPC), 1-hydroxyethyl-2-oleic imidazoline (OHEI) and cetyl dimethyl benzyl ammonium chloride (CDMBAC). This has shown that the inhibitor molecules adsorb onto a surface in micellar structures. Corrosion measurements confirmed that maximum inhibition efficiency coincides with the solution critical micelle concentration.