Characteristics of the Cu-18.84 at.%Al-10.28 at.%Mn-1.57 at.%Ag alloy after slow cooling from high temperatures
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The characteristics of the Cu-18.84 at.%Al-10.28 at.%Mn-1.57 at.%Ag alloy after slow cooling from high temperatures were studied using optical and scanning electron microscopies, microhardness measurements with temperature, differential scanning calorimetry, X-ray diffraction, magnetic moment changes with temperature and applied field. The results indicated the presence of a new transition associated with dissolution of the Ag-rich phase. It was also verified that the content of Al strongly interferes with the magnetization of the Cu-18.84 at.%Al-10.28 at.%Mn-1.57 at.%Ag alloy, since at lower Al concentration the relative fraction of the ferromagnetic L2<inf>1</inf>-(Cu<inf>2</inf>AlMn) phase is decreased.
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Metals and alloys, Phase transformations, Thermal analysis
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Inglês
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Journal of Thermal Analysis and Calorimetry, v. 121, n. 3, p. 1233-1238, 2015.
