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Experimental investigation and thermodynamic calculations of the Ag-Ga-Zn phase diagram

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2015
Authors
Ćosović, Vladan
Minić, Duško
Manasijević, Dragan
Premović, Milena
Dervisevic, Irma
Živković, Dragana
Article (Published version)
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Abstract
Phase diagram of the Ag-Ga-Zn ternary system was investigated using differential thermal analysis (DTA), scanning electron microscopy (SEM) with energy dispersive spectrometry (EDS), and X-ray powder diffraction (XRD) methods. Experimentally obtained results were compared with the results of thermodynamic calculation of phase equilibria based on calculation of phase diagram (CALPHAD) method and literature data. Phase transition temperatures of alloys with overall compositions along three selected vertical sections Ag-Ga50Zn50, Ga-Ag50Zn50 and Zn-Ag50Ga50 were measured by DTA. Liquidus temperatures were experimentally determined and compared with the results of thermodynamic calculations. Identification of coexisting phases in the samples equilibrated at 300 degrees C and 400 degrees C was carried out using SEM-EDS and XRD methods. Obtained results were compared with the calculated isothermal sections of the Ag-Ga-Zn ternary system at corresponding temperatures. Calculated liquidus proj...ection and invariant equilibria of the Ag-Ga-Zn ternary system were presented.

Keywords:
Ag-Ga-Zn system / Phase diagram / DTA / XRD / SEM-EDS
Source:
Journal of Alloys and Compounds, 2015, 632, 783-793
Publisher:
  • Elsevier
Projects:
  • Advanced multicomponent metal systems and nanostructured materials with diverse functional properties (RS-172037)

DOI: 10.1016/j.jallcom.2015.01.181

ISSN: 0925-8388

WoS: 000350388900118

Scopus: 2-s2.0-84923094731
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1742
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IHTM

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