研究目的
Investigating the phase equilibria in the ternary Ag-Cu-Ga system through experimental and computational methods.
研究成果
The experimental results on phase equilibria in the Ag-Cu-Ga system are in good agreement with thermodynamic calculations. No ternary compounds were found, and the system's phase diagrams at 200, 450, and 650 (cid:3)C were successfully mapped.
研究不足
The study focused on the Ag-Cu-Ga system up to 60 at.% of Ga and at temperatures of 200, 450, and 650 (cid:3)C. The experimental error was estimated to be ±2 (cid:3)C for DTA measurements.
1：Experimental Design and Method Selection:
The study utilized DTA/DSC, isothermal equilibration, microscopic, and x-ray analyses to investigate phase equilibria.
2：Sample Selection and Data Sources:
Alloys with varying concentrations along two cross-sections (xAg/xCu = 1:1 and xAg/xGa = 1:1) were prepared.
3：List of Experimental Equipment and Materials:
DTA 404 apparatus from Netzsch, SEM (Hitachi SU-70), XRD (Rigaku, Mini Flex II), and pure elements (Ag, Cu, Ga) from Alfa Aesar.
4：Experimental Procedures and Operational Workflow:
Samples were annealed at specific temperatures, quenched, and analyzed using SEM/EDS and XRD.
5：Data Analysis Methods:
Data were analyzed using PROTEUS software for DTA, NSS 3 software for EDS, and PDXL software for XRD.
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