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Influence of Silver Additions on the Thermal Behavior of the Cu–8 Mass% Al Alloy

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Abstract

The influence of additions of 2, 4, 6, 8, 10 and 12 mass% Ag on the thermal behavior of the Cu–8 mass% Al alloy was studied using differential scanning calorimetry (DSC), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and X-ray diffractometry (XRD). The results indicate that the presence of silver introduces new thermal events, due to the formation of a silver-rich phase and, for additions of 10 and 12 mass% Ag, it is possible to verify the formation of the γ1 phase (Cu9Al4) and the metastable transitions which are only observed in alloys with a minimum of 9 mass% Al.

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Authors and Affiliations

  1. Instituto de Química – UNESP, C. Postal 355, 14801-970, Araraquara-SP, Brazil

    A. T. Adorno, M. R. Guerreiro, C. A. Ribeiro & C. T. R. Guerreiro

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  1. A. T. Adorno
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  2. M. R. Guerreiro
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  3. C. A. Ribeiro
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  4. C. T. R. Guerreiro
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Adorno, A.T., Guerreiro, M.R., Ribeiro, C.A. et al. Influence of Silver Additions on the Thermal Behavior of the Cu–8 Mass% Al Alloy. Journal of Thermal Analysis and Calorimetry 64, 1141–1146 (2001). https://doi.org/10.1023/A:1011584727408

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