Special issue dedicated to memory of Professor Dragana Živković - vol. 53 (3) B - 2017

D. Jendrzejczyk-Handzlik

Phase equilibria in the ternary Ag-Au-Ga system: isothermal sections at 250 °C and 450 °C

J. Min. Metall. Sect. B-Metall. 53 (3) B (2017) 215-222. DOI:10.2298/JMMB170531043J
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Abstract

The ternary Ag-Au-Ga system seems to be interesting in jeweller’s craft as a joint. Moreover, the ternary systems based on gold and silver have found applications in the dental industry. A literature overview of the Ag-Au-Ga system shows that the information about phase equilibria of this system does not exist. In the present work, phase equilibria in the Ag-Au-Ga ternary system have been studied by using scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS) analysis and X-ray diffraction analysis (XRD). Twenty two annealed alloys in the 10-70 at.% Ga region have been investigated. Obtained experimental results were compared with the predicted isothermal sections at two temperatures (250 °C and 450 °C). No ternary compounds are found.
Keywords: Ag-Au-Ga system; Phase equilibria; Scanning electron microscopy; X-ray diffraction
Correspondence Address:
D. Jendrzejczyk-Handzlik,
AGH University of Science and Technology,
Faculty of Non-Ferrous Metals, Krakow, Poland
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