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https://hdl.handle.net/2440/123840
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Type: | Journal article |
Title: | Electrochemical effects of silane pretreatments containing cerium nitrate on cathodic disbonding properties of epoxy coated steel |
Author: | Zaferani, S.H. Peikari, M. Zaarei, D. Danaei, I. |
Citation: | Journal of Adhesion Science and Technology, 2013; 27(22):2411-2420 |
Publisher: | Taylor & Francis |
Issue Date: | 2013 |
ISSN: | 0169-4243 1568-5616 |
Statement of Responsibility: | Sadeq Hooshmand Zaferania, Mahmood Peikaria, Davood Zaareib and Iman Danaeia |
Abstract: | In the recent years, silane materials, because of their environmental friendly nature and ease of application have been attended as an alternative for chromate conversion coatings. Different materials were searched for improvement of the efficiency of silane formulation. In this research, pretreatment of carbon steel substrates was carried out using γ-glycidoxypropyl-trimethoxysilane (γ-GPS) as functionalized silane. Cerium nitrate as a corrosion inhibitor material was introduced into the silane material and epoxy resin was applied on the pretreated steel substrates. Effects of the pretreatment on electrochemical properties, cathodic disbondment, dry and wet adhesion strength, and surface morphology of resultant epoxy coating were investigated. Results showed that pretreatment of steel substrate with γglycidoxypropyl-trimethoxysilane (γ-GPS) doped with cerium nitrate leads to improvement of cathodic disbondment and also dry and wet adhesion of epoxy coating. Furthermore, this type of pretreatment reduced the disruption of interfacial bonds at the binder/substrate interface. Addition of 2 wt% cerium nitrate into the silane formulation led to the maximum efficiency of resultant coating. |
Keywords: | adhesives; carbon steel; cathodic disbondment; coating |
Description: | Published online: 27 Mar 2013. |
Rights: | © 2013 Taylor & Francis |
DOI: | 10.1080/01694243.2013.779068 |
Published version: | http://dx.doi.org/10.1080/01694243.2013.779068 |
Appears in Collections: | Aurora harvest 3 Mechanical Engineering publications |
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