Influence of Pt addition on corrosion resistance of Sn-9Zn-0.02Al-xPt solder alloys
Source abstract
Abstract
The corrosion behaviour and mechanism of Sn-9Zn-0.02Al-xPt alloys were investigated. The addition of Pt significantly enhanced the corrosion resistance of the alloy, as evidenced by two key observations at different additive levels: (1) With a minor addition of Pt, the reduced potential difference between the small-sized Zn-rich phase and the eutectic phase decreased the galvanic corrosion sensitivity, and (2) with a large addition of Pt, the anodic barrier effect of the noble Pt 2Zn 10.72 phase and the consumption of Zn significantly protected the anodic Zn. The corrosion resistance increased in the order: Sn-9Zn-0.02Al-0.03Pt < Sn-9Zn-0.02Al < Sn-9Zn-0.02Al-0.01Pt, Sn-9Zn-0.02Al-0.1Pt < Sn-9Zn-0.02Al-0.25Pt.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electronic Packaging and Soldering Technologies · Intermetallics and Advanced Alloy Properties · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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