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- Effect of 4 mass% Ag addition on the thermal behavior of the Cu-9 mass% Al alloy
- Universidade Estadual Paulista (UNESP)
- The effect of 4 mass% Ag addition on the thermal behavior of the Cu-9 mass% Al alloy was studied using differential scanning calorimetry (DSC), optical microscopy (OM), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and X-ray diffractometry (XRD). The results showed that the presence of silver causes (Cu)-alpha+(alpha+gamma1)-->(Cu)-alpha+beta transformation to occur in two stages. In the first one, part of the produced beta phase combines with the precipitated Ag to give a silver-rich phase and in the second one the transformation is completed. The formation of this silver-rich phase seems to be enhanced at very low cooling rates.
- Journal of Thermal Analysis and Calorimetry. Dordrecht: Kluwer Academic Publ, v. 73, n. 3, p. 931-938, 2003.
- Kluwer Academic Publ
- Cu-Al alloys
- phase transformations
- silver addition
- thermal behavior
- Acesso restrito
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