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The corrosion resistance of three of the constituent phases in high copper dental amalgams has been investigated by electrochemical methods in 0.9% NaCl solution. Polarization curves show corrosion potentials most positive for γ 1 -Ag 2 Hg 3 , followed by Ag–Cu, and γ-Ag 3 Sn in agreement with the order of corrosion resistance deduced from the corrosion currents. Complex...
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