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Type: Artigo de periódico
Title: Evaluation Of Corrosion Resistance Of Steel Coated With Zinc-iron Alloy Electrodeposits Containing Btse, Btespts And Rare Earth Salts As Conversion Films [avaliação Da Resistência à Corrosão De Eletrodepósitos De Liga Znfe Sobre Aço Tratado Com Filmes Contendo Sais De Terras Raras E Silanos Btse, Btespts]
Author: dos Santos M.C.G.
Freire C.M.A.
Abstract: This study aims to evaluate the corrosion resistance of steel coated with ZnFe alloy electrodeposits treated with films consisted of a pre-layer obtained through immersion in a rare earth salt solution using Ce or La elements plus a silane thin film of BTSE (bis 1, 2 - [triethoxysilyl]) ethane) and / or BTESPTS (bis-(3 - [triethoxysilyl]-propyl) - tetrassulfeto). These systems were evaluated by polarization curves, electrochemical impedance spectroscopy (EIS), scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The polarization and EIS results indicated that the studied systems were effective against corrosion and that their performance depends on the type of cation salt. The ZnFe + Ce + + BTSE BTESPTS system proved to be the best result against corrosion.
Editor: Universidade Federal do Rio de Janeiro
Citation: Revista Materia. Universidade Federal Do Rio De Janeiro, v. 18, n. 4, p. 1576 - 1586, 2013.
Rights: aberto
Identifier DOI: 10.1590/S1517-70762013000400017
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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