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  Formation and stability of organic acid monolayers on magnesium alloy AZ31: The role of alkyl chain length and head group chemistry

Szillies, S., Thissen, P., Tabatabai, D., Feil, F., Fürbeth, W., Fink, N., et al. (2013). Formation and stability of organic acid monolayers on magnesium alloy AZ31: The role of alkyl chain length and head group chemistry. Applied Surface Science, 283, 339-347. doi:10.1016/j.apsusc.2013.06.113.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-E289-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-E4EF-8
Genre: Journal Article

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 Creators:
Szillies, Sandra1, Author              
Thissen, Peter2, Author              
Tabatabai, Daria3, Author              
Feil, Florian3, Author              
Fürbeth, Wolfram3, Author              
Fink, Nicole4, Author              
Grundmeier, Guido5, Author              
Affiliations:
1Department of Technical and Macromolecular Chemistry, University of Paderborn, Warburger Str. 100, 33098 Paderborn, Germany, ou_persistent22              
2Karlsruher Institut für Technologie, Institut für Funktionelle Grenzflächen, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany, ou_persistent22              
3DECHEMA Forschungsinstitut, Theodor-Heuss-Allee 25, 60486 Frankfurt am Main, Germany, ou_persistent22              
4Christian Doppler Laboratory for Metal/Polymer Interfaces, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863353              
5University of Paderborn, Department of Technical and Macromolecular Chemistry, Warburger Str. 100, 33098 Paderborn, Germany, ou_persistent22              

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Free keywords: Carboxylic acid; IR spectroscopy; Phosphonic acid; SAM; XPS
 Abstract: Magnesium wrought alloy AZ31 has a 30% lower density than aluminum alloys and provides the opportunity to reduce vehicle weight and hence to reduce fuel consumption. Today, the use in industrial applications is limited due to low corrosion resistance. Carboxylic and phosphonic acids were investigated as promising alternatives for corrosion protection on AZ31 magnesium wrought alloy. Adsorption and orientation of organic monolayers were studied as a function of aliphatic chain lengths and head groups. As final result, the octadecylphosphonic acid led to a measureable lowering of the corrosion current density and inhibited the growth of the oxide film under humid conditions. (c) 2013 Elsevier B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2013-10-15
 Publication Status: Published in print
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Degree: -

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Title: Applied Surface Science
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier B.V.
Pages: - Volume / Issue: 283 Sequence Number: - Start / End Page: 339 - 347 Identifier: ISSN: 0169-4332
CoNE: /journals/resource/954928576736