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The oxidation behavior of Ag–5.08Sn–3.15Sb and Ag–6.84Sn–1.25Sb alloy powders was investigated in air at 800 °C. The thermal gravimetric analysis (TGA) results confirmed that the starting oxidation temperature of Ag–5.08Sn–3.15Sb and Ag–6.84Sn–1.25Sb alloy powders was 670 and 720 °C, respectively. The oxidation kinetic results suggested that the oxidation behavior of Ag–Sn–Sb alloy followed a parabolic...
The gas atomized Ag-9.26wt%Sn-0.44wt%La alloy powders were oxidized in air between 400 and 900 °C. The oxidation thermodynamics, kinetics and microstructure of the alloy were investigated. We suggested that the addition of La may accelerate oxidation of Sn and prevent the formation of the dense SnO2 film. The suitable oxidation temperature of the alloy powders is 800 °C in air. After internal oxidation,...
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