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dc.contributor.author
Rosero Navarro, N. C.
dc.contributor.author
Pellice, Sergio Antonio
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dc.contributor.author
Castro, Y.
dc.contributor.author
Aparicio, M.
dc.contributor.author
Durán, A.
dc.date.available
2018-12-12T20:53:34Z
dc.date.issued
2009-03
dc.identifier.citation
Rosero Navarro, N. C.; Pellice, Sergio Antonio; Castro, Y.; Aparicio, M.; Durán, A.; Improved corrosion resistance of AA2024 alloys through hybrid organic-inorganic sol-gel coatings produced from sols with controlled polymerisation; Elsevier Science Sa; Surface and Coatings Technology; 203; 13; 3-2009; 1897-1903
dc.identifier.issn
0257-8972
dc.identifier.uri
http://hdl.handle.net/11336/66385
dc.description.abstract
In this work we present the development of a nanocomposite material composed by silica nanoparticles in a hybrid organic-inorganic sol-gel matrix for corrosion protection of aluminium alloys. The sol-gel matrix was produced from an inorganic precursor, tetraethoxysilane (TEOS), a hybrid precursor organically functionalized with C{double bond, short}C groups, 3-metacryloxypropyltrimethoxysilane (MPS), and an organic bi-functional monomer, ethyleneglycol-dimethacrylate (EGDMA) used to increase the cross-linking network. Silica nanoparticles, on the other side, increase the density and provide a major mechanical performance through the reinforcement of the coating. The evolution of the sol, mainly the chemical structure, during the processes of hydrolytic condensation and organic polymerisation was studied as a function of the sol concentration through Fourier transformed infrared spectroscopy (FTIR), rheometry, laser diffraction analysis and contact angle. Mono and multilayer coatings were deposited by dipping onto AA 2024 substrates and characterised by profilometry. The corrosion behaviour was followed through potentiodynamic tests and Electrochemical Impedance Spectroscopy (EIS). © 2009 Elsevier B.V. All rights reserved.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Sa
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Aluminium Aa2024
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Colloidal Silica Nanoparticles
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Corrosion
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Hybrid Silica-Methacrylate
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Sol-Gel Coatings
dc.subject.classification
Nano-materiales
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dc.subject.classification
Nanotecnología
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.subject.classification
Recubrimientos y Películas
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dc.subject.classification
Ingeniería de los Materiales
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Improved corrosion resistance of AA2024 alloys through hybrid organic-inorganic sol-gel coatings produced from sols with controlled polymerisation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-12-05T14:36:25Z
dc.journal.volume
203
dc.journal.number
13
dc.journal.pagination
1897-1903
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Rosero Navarro, N. C.. Instituto de Ceramica y Vidrio de Madrid; España
dc.description.fil
Fil: Pellice, Sergio Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Ceramica y Vidrio de Madrid; España
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Fil: Castro, Y.. Instituto de Ceramica y Vidrio de Madrid; España
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Fil: Aparicio, M.. Instituto de Ceramica y Vidrio de Madrid; España
dc.description.fil
Fil: Durán, A.. Instituto de Ceramica y Vidrio de Madrid; España
dc.journal.title
Surface and Coatings Technology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0257897209000413
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.surfcoat.2009.01.019
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