Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study

Sn-Ag based solder alloy seems to be a promising lead-free solder for the application on electronic assembly. The corrosion behavior of different lead free solder alloys such as Sn-3.0Ag, Sn-1.0Ag-0.5Cu and Sn-3.0Ag-0.5Cu was investigated in 3.5% NaCl solution by potentiodynamic polarization and ele...

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Main Authors: M. Fayeka, A.S.M.A. Haseeb, M.A. Fazal
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2017
Online Access:http://journalarticle.ukm.my/10682/1/14%20M.%20Fayer.pdf
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author M. Fayeka,
A.S.M.A. Haseeb,
M.A. Fazal,
author_facet M. Fayeka,
A.S.M.A. Haseeb,
M.A. Fazal,
author_sort M. Fayeka,
collection UKM
description Sn-Ag based solder alloy seems to be a promising lead-free solder for the application on electronic assembly. The corrosion behavior of different lead free solder alloys such as Sn-3.0Ag, Sn-1.0Ag-0.5Cu and Sn-3.0Ag-0.5Cu was investigated in 3.5% NaCl solution by potentiodynamic polarization and electrochemical impedance spectroscopy. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD) were used to characterize the samples after the tests. The results showed that the addition of 0.5 wt. % copper with Sn-3.0 Ag solder alloy led to a better corrosion resistance while lowering of Ag content from 3.0 to 1.0 wt. % decreased the resistance. Sn-3.0Ag-0.5Cu exhibits a better corrosion resistance in terms of increased charge transfer resistance and impedance values as well as the lowest capacitance. These characteristics signify its suitability for the application in electronic packaging.
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spelling ukm.eprints-106822017-09-20T09:19:11Z http://journalarticle.ukm.my/10682/ Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study M. Fayeka, A.S.M.A. Haseeb, M.A. Fazal, Sn-Ag based solder alloy seems to be a promising lead-free solder for the application on electronic assembly. The corrosion behavior of different lead free solder alloys such as Sn-3.0Ag, Sn-1.0Ag-0.5Cu and Sn-3.0Ag-0.5Cu was investigated in 3.5% NaCl solution by potentiodynamic polarization and electrochemical impedance spectroscopy. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD) were used to characterize the samples after the tests. The results showed that the addition of 0.5 wt. % copper with Sn-3.0 Ag solder alloy led to a better corrosion resistance while lowering of Ag content from 3.0 to 1.0 wt. % decreased the resistance. Sn-3.0Ag-0.5Cu exhibits a better corrosion resistance in terms of increased charge transfer resistance and impedance values as well as the lowest capacitance. These characteristics signify its suitability for the application in electronic packaging. Penerbit Universiti Kebangsaan Malaysia 2017-02 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/10682/1/14%20M.%20Fayer.pdf M. Fayeka, and A.S.M.A. Haseeb, and M.A. Fazal, (2017) Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study. Sains Malaysiana, 46 (2). pp. 295-302. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num2_2017/contentsVol46num2_2017.html
spellingShingle M. Fayeka,
A.S.M.A. Haseeb,
M.A. Fazal,
Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study
title Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study
title_full Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study
title_fullStr Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study
title_full_unstemmed Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study
title_short Electrochemical corrosion behaviour of Pb-free SAC 105 and SAC 305 solder alloys: a comparative study
title_sort electrochemical corrosion behaviour of pb free sac 105 and sac 305 solder alloys a comparative study
url http://journalarticle.ukm.my/10682/1/14%20M.%20Fayer.pdf
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AT asmahaseeb electrochemicalcorrosionbehaviourofpbfreesac105andsac305solderalloysacomparativestudy
AT mafazal electrochemicalcorrosionbehaviourofpbfreesac105andsac305solderalloysacomparativestudy