Microstructure and Phase Analyses on the Corrosion of SAC305 Solder in NaСl Solution

Abstract:

Utilization of Sn-3.0Ag-0.5Cu to replace toxic lead-based solder was only feasible if the corrosion performance of this solder was assured. To obtain this information, potentiodynamic polarization was implement in 3.5 wt. % NaCl. The morphological and structural changes were investigated via crucial characterization methods (SEM and XRD). Collective evidences verified that the needle-like corrosion product confirmed to be made ofSnO, SnO₂ and SnCl^- and responsible to passivation behavior of this solder.

• Periodical: Solid State Phenomena (Volume 273)
• Pages: 91-94
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.273.91
• Online since: April 2018
• Authors: Nurwahida Mohd Zaini, Mukridz Md Mohtar, Ahmad Azmin Mohamad, Muhammad Firdaus Mohd Nazeri*
• Keywords: Corrosion, Potentiodynamic Polarization, SAC305, Sodium Chloride, Solder

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