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The phase equilibria of the ternary Cu–Mn–Ni system in the region above 40 at.% Mn at 600 ∘ C were investigated by means of optical microscopy, X-ray diffraction, scanning electron microscopy with energy dispersive X-ray spectroscopy and electron probe microanalysis. The isothermal section of the Cu–Mn–Ni system at 600 ∘ C consists of 4 two-phase regions (cbcc_A12 +fcc_A1, cub_A13...
The isothermal section at 327 °C for the Mg–Si–Zn system has been determined by means of X-ray diffraction (XRD) and scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDX). No ternary compound has been observed in this work. Five three-phase regions, (Zn)+(Si)+Mg 2 Zn 11 , Mg 2 Zn 11 +MgZn 2 +Mg 2 Si, Mg 2 Zn 3 ...
The Mn–Ni–Si system has been investigated via thermodynamic modeling coupled with key experiments. The isothermal section at 1000 °C of the Mn–Ni–Si system was determined by means of XRD and SEM/EDX. Based on the critically reviewed experimental data available in the literature and the present experimental data, a thermodynamic modeling of the Mn–Ni–Si system was performed. One single function was...
The Ge–Sc system is assessed by means of CALPHAD (CALculation of PHAse Diagram) approach, supplemented with decisive experiments and enthalpies of formation computed via first-principles calculations. Ten Ge–Sc alloys are prepared by arc melting the pure elements. The annealed samples are analyzed by means of X-ray diffraction, scanning electron microscopy with energy-dispersive X-ray spectrometry,...
The erbium–hydrogen (Er–H) binary system has been investigated experimentally. New solubility limits and extensions of the homogeneity domains have been measured, using several experimental techniques, and high purity materials. A thermodynamic assessment of the system using the Calphad method has been performed. The calculated phase diagram shows a fair agreement with the experimental data. Both...
The liquidus in equilibrium with phase BaAl2O4, and the eutectic reaction, L→BaAl2O4+Ba3Al2O6, in the syste/m BaO–Al2O3 were measured and confirmed by equilibration–quenching method using SEM/EDS and EPMA. The samples with barium oxide rich compositions were investigated by XRD. A critical literature review was made on the phase diagram and thermodynamic properties for the BaO–Al2O3 system. Employing...
The isothermal section of the Mo–Ni–Zr system at 1100°C was investigated by characterization of eight equilibrium alloys. X-ray diffraction (XRD) and electron probe microanalysis (EPMA) were used to identify the stable phases and obtain their compositions. The Mo–Ni–Zr system was then optimized by means of CALPHAD (CALculation of PHAse Diagrams) technique with the consideration of experimental data...
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