Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/337609
Type: Artigo
Title: Microstructural array and solute content affecting electrochemical behavior of Sn-Ag and Sn-Bi alloys compared with a traditional Sn-Pb alloy
Author: Satizabal, Luz M.
Costa, Diego
Moraes, Peterson B.
Bortolozo, Ausdinir D.
Osorio, Wislei R.
Abstract: The aim of this investigation is focused on the electrochemical impedance behavior of Sn-2 wt.% Ag (SA), Sn-10 wt.% Bi (SB) and Sn-22 wt.% Pb (SP) casting alloys in a stagnant and naturally aerated 0.15 M NaCl solution at environmental temperature. Both uncoated and coated samples are casting centrifuged and similar microstructural arrays are produced. Coated substrates and joints utilize Sn-based alloys in microelectronic applications. Gold-coated samples are commonly used in jewelry industry. The roles of the solute contents on the microstructural parameters, eutectic fractions and cathode-to-anode area ratios of each proposed alloy are discussed. Electrochemical impedance spectroscopy (EIS) analysis using equivalent circuit is discussed. It is found that indistinctively of the examined uncoated or coated samples, the corrosion resistance sequence favors the SB alloy, followed by SA and SP alloys
Subject: Microestrutura
Country: Holanda
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.matchemphys.2018.11.003
Address: https://www.sciencedirect.com/science/article/pii/S0254058418309611
Date Issue: 2019
Appears in Collections:FCA - Artigos e Outros Documentos
FT - Artigos e Outros Documentos

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