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Characterization of corrosion products formed on tin-bronze exposed to industry atmosphere for a 29-year period was investigated. Results demonstrated that the corrosion rate of tin-bronze was 0.56 μm·a−1. Tin-bronze had two completely different structures on two exposure sides—the corrosion products layer on skyward side was uneven with cracks, and the corrosion product on the field-ward side is a double-layer structure with dense inner layer and porous outer layer. Sn is uniformly distributed in the corrosion products layer on skyward side, and densely concentrated near the substrate on field-ward side.
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Liu et al. (2023) studied this question.
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