Experimental investigation and thermodynamic calculations of the Bi-Ni-Pb phase diagram

J. Min. Metall. Sect. B-Metall. 55 (2) B (2019) 157-166. DOI:10.2298/JMMB181128024M
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Abstract

The article presents an experimental study of a phase diagram of a ternary Bi-Ni-Pb system using differential thermal analysis (DTA), scanning electron microscopy (SEM) with energy dispersive spectrometry (EDS), and X-ray powder diffraction (XRD) analysis. The investigated ternary alloys were selected from three vertical sections (x(Bi)=0.75, x(Ni)=0.1 and x(Pb)=0.9) and two isothermal sections at 100 and at 300 °C. The obtained experimental results were compared with the thermodynamically extrapolated phase diagram of the Bi-Ni-Pb ternary system based on the thermodynamic parameters for the constitutive binary systems available in literature. Reasonably close agreement between the experimental data and the calculated phase diagram was obtained.
Keywords: Bi–Ni-Pb system; Vertical sections x(Bi)=0.75, x(Ni)=0.1 and x(Pb)=0.9; Isothermal sections at 100 and at 300 °C; Thermal analysis; Thermodynamic prediction
Correspondence Address:
D. Minić, University in Priština,
Faculty of Technical Sciences, Kos. Mitrovica, Serbia
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