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HomeMaterials Science ForumMaterials Science Forum Vol. 888Corrosion Properties of Sn-9Zn Solder in Acidic...

Corrosion Properties of Sn-9Zn Solder in Acidic Solution

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Abstract:

The corrosion properties of Sn-9Zn lead-free solder was studied through potentiodynamic polarization in different concentration of hydrochloric acid (0.5, 1.0, 1.5, 2.0 M). Two types of polarization profile were observed for Sn-9Zn solder at lower concentration acid (0.5 to 1.0 M) and one at higher concentration acids (1.5 to 2.0 M). The morphological analysis showed that two distinctive structures of lamellar-like groove and irregular shaped of the corrosion product compounds formed on the solder surface after being polarized at different concentrations. Phase and elemental analyses revealed the formation of mixed corrosion product such as SnO, SnO₂, ZnO, ZnO₂, and Zn(OH)₂ on the surface after polarization.

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Periodical:

Materials Science Forum (Volume 888)

Pages:

365-372

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.888.365

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Online since:

March 2017

Authors:

Nordarina Jumali, Ahmad Azmin Mohamad, Muhammad Firdaus Mohd Nazeri*

Keywords:

Concentration, Corrosion, Hydrochloric Acid, Sn-9Zn, Solder

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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