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- Kinetics of Ag-rich precipitates formation in Cu-Al-Ag alloys
- Universidade Estadual Paulista (UNESP)
- The kinetics of Ag-rich precipitates formation in the Cu-2 wt.% Al alloy with additions of 2, 4, 6, 8, 10 and 12 wt.% Ag was studied using microhardness changes with temperature and time, differential scanning calorimetry (DSC), differential thermal analysis (DTA), scanning electron microscopy (SEM), optical microscopy (OM), energy dispersive X-ray analysis (EDX) and X-ray diffractometry (XRD). The results indicated that an increase in the Ag content decreases the activation energy for Ag-rich precipitates formation, and that it is possible to estimate the values of the diffusion and nucleation activation energies for the Ag precipitates. (C) 2004 Elsevier B.V. All rights reserved.
- Materials Science and Engineering A-structural Materials Properties Microstructure and Processing. Lausanne: Elsevier B.V. Sa, v. 374, n. 1-2, p. 170-176, 2004.
- Elsevier B.V.
- Cu-Al-Ag alloys
- Acesso restrito
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