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EVALUATION OF CORROSION BEHAVIOUR AND SOME MECHANICAL PROPER

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EVALUATION OF CORROSION BEHAVIOUR AND SOME MECHANICAL PROPERTIES OF SILVER-RICH, Gamma 2 FREE AMALGAM

Corrosion behaviour, creep resistance, compressive and tensile strength and hardness of a newly developed silver-rich commercial amalgam were investigated in order to evaluate its performance, as compared with three high copper amalgams, namely; admixed, unicompositional and Pd-enriched. The results have shown that Ag-rich amalgam was superior in corrosion behaviour, compressive and tensile strength. Creep values were comparable to those of Pd-enriched amalgam, whereas hardness measurements of the latter were significantly higher. The results were analyzed on a compositional and microstructural bases.

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