Corrosion resistance of steel treated with different silane/paint systems / Belén Chico in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 9, N° 1 (01/2012)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 9, N° 1 (01/2012) . - p. 3-13 Titre : Corrosion resistance of steel treated with different silane/paint systems Type de document : texte imprimé Auteurs : Belén Chico, Auteur ; D. de La Fuente, Auteur ; M. L. Pérez, Auteur ; M. Morcillo, Auteur Année de publication : 2012 Article en page(s) : p. 3-13 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs Anticorrosion Atmosphère marine Essais accélérés (technologie) Essais de brouillard salin Métaux -- Revêtements protecteurs Revêtements Silanes Spectroscopie d'impédance électrochimique Index. décimale : 667.9 Revêtements et enduits Résumé : This article reports on a comparative study on the corrosion resistance of low-carbon steel substrates pretreated with different silane solutions and painted. The pure silanes used to pretreat the steel panels were 3-aminopropyltriethoxysilane (?-APS), 3-glycidoxypropyltrimethoxysilane (?-GPS), and bis(3-triethoxysilylpropyl)amine. The study also considered other silane solutions with ureido, amino, and epoxy organofunctional groups, and two bis-functional silanes: bis(?-trimethoxysilylpropyl)amine (BAS) and 1,2-bis(triethoxysilyl)ethane (BTSE). A conventional phosphate-type pretreatment was also applied for reference purposes. The pretreated panels were then finished with an alkyd/polyester aminoplast base paint. As a branch test, an acrylic/urethane paint was also applied. Different tests were conducted to evaluate the anticorrosive ability of the different silane/paint systems: outdoor exposure in an atmosphere of moderate aggressivity; accelerated corrosion test (salt fog test); and electrochemical impedance spectroscopy (EIS). The results show that the steel pretreated with certain silanes, especially ?-APS, yields similar results to steel subjected to conventional phosphate pretreatment. Note de contenu : - Silane chemistry - EXPERIMENTAL : Specimen preparation - Aim - Adhesion test - Atmospheric exposure test - Salt spray test - Electrochemical impedance spectroscopy test - RESULTS AND DISCUSSION : Outdoor test - Exposure test in salt fog cabinet - Electrochemical test - DOI : 10.1007/s11998-010-9300-3 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-010-9300-3.pdf?pdf=button Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14350 [article]

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Lap-joint corrosion testing of precoated steel sheets / Belén Chico in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 75, N° 944 (09/2003)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 75, N° 944 (09/2003) . - p. 43-54 Titre : Lap-joint corrosion testing of precoated steel sheets Type de document : texte imprimé Auteurs : Belén Chico, Auteur ; D. de La Fuente, Auteur ; M. Morcillo, Auteur ; José Antonio Gonzales, Auteur ; Eduardo Otero, Auteur Année de publication : 2003 Article en page(s) : p. 43-54 Note générale : Bibliogr. Langues : Américain (ame) Tags : Bâtiment  Industrie  automobile  Résistance  corrosion  Essai  vieillissement  naturel  accéléré  Revêtement  protecteur  Durabilité  Acier  Joint  recouvrement Index. décimale : 667.9 Revêtements et enduits Résumé : In industry, and particularly in the building construction and automotive industries, lap-joint technology for precoated steel sheet assembly has undergone rapid development. However, the durability problems associated with joints of this type are well known, i.e., premature deterioration of protective coatings (metallic, organic) and accelerated metallic corrosion of the base steel by moisture retention in the joint, crevice corrosion, etc. The authors have been involved in researching lap-joint corrosion testing to know the behaviour of materials in these joints. The precoated steel sheet materials studied were divided into two groups according to their use in two well-defined industrial sectors: building (55% Al-Zn and hot-dip galvanised, painted and unpainted) and car manufacturing (electrogalvanised and galvanneal) Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5572 [article]

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