Enthalpies of mixing of liquid Ag–Ga, Au–Ga and Ag–Au–Ga alloys

Jendrzejczyk-Handzlik, Dominika

doi:10.1016/j.jct.2016.12.020

Cited by 11 publications

(13 citation statements)

References 20 publications

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“…All experimental results obtained from the calorimetric method show negative values of the enthalpy of mixing in the liquid phase. The experimental data obtained by Gather and Blachnik, [25] Bergman et al, [26] Hayer et al [27] and Beja [28] and Jendrzejczyk-Handzlik [29] are compatible with one another. Experimental values reported by Itagaki and Yazawa [23] and Predel and Stein [24] are less negative than the values reported in In the literarure Ref 21,22 there are two different interpretations of this enthalpy temperature dependence.…”

Section: Resultssupporting

confidence: 56%

“…The experimental data [25][26][27][28][29] are compatible with one another. Experimental values reported by Itagaki and Yazawa [23] and Predel and Stein [24] are less negative than the values reported in studies, [25][26][27][28][29] and these data were not used in the present optimization of binary gold-gallium system.…”

Section: Thermodynamic Datasupporting

confidence: 68%

“…It was assumed that in the examined temperature range (from 774 to 1660 K), the enthalpy of mixing in this binary system does not exhibit temperature dependence. It is shown that under this assumption satisfactory agreement is obtained between the calculated values and the experimental data Ref [25][26][27][28][29].…”

Section: Resultsmentioning

confidence: 97%

“…Recently, Jendrzejczyk-Handzlik [29] measured the enthalpies of mixing for the liquid Au-Ga system at two temperatures 1223 and 1323 K, in the composition range from 0.97 to 0.356 x Ga using high-temperature drop calorimeter.…”

Section: Thermodynamic Datamentioning

confidence: 99%

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Thermodynamic Study and Re-optimization of the Au-Ga Binary System

Jendrzejczyk-Handzlik

2017

J. Phase Equilib. Diffus.

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Activities of gallium in the liquid Au-Ga alloys were determined using galvanic cells with the solid oxide electrolyte. The cells of the type:were used in the temperature range from 1050 to 1273 K, and for four alloy compositions x Ga = 0.2, 0.4, 0.6 and 0.8. From the measured e.m.f.'s the activity of gallium was derived, which taken together with the recently measured heat of mixing provided precise description of the thermodynamic properties of the liquid phase. This study was supplemented with DTA experiments which were performed for three alloy compositions, namely 0.15, 0.25 and 0.40 gallium mole fraction. The results of these experiments verified with temperature of respective invariant reactions. Finally, present results, taken together with the information existing in the literature, were used for the calculation of the optimized Au-Ga phase diagram. ThermoCalc software was applied to complete these calculations.

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Section: Resultssupporting

confidence: 56%

Section: Thermodynamic Datasupporting

confidence: 68%

Section: Resultsmentioning

confidence: 97%

Section: Thermodynamic Datamentioning

confidence: 99%

See 2 more Smart Citations

Thermodynamic Study and Re-optimization of the Au-Ga Binary System

Jendrzejczyk-Handzlik

2017

J. Phase Equilib. Diffus.

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“…Consequently, the ternary Ag-Au-Ga system was studied as one of those which can be applied as a solder. The other one, published by Jendrzejczyk-Handzlik [20] reported the results of calorimetric measurements of the enthalpy of mixing at two temperatures 1223 and 1323 K. Results obtained in that experimental work showed that the enthalpy of mixing in this ternary system does not have a temperature dependence. New experimental data are needed to enlarge our knowledge of the phase diagram and melting behaviour of the Ag-Au-Ga system.…”

Section: Introductionmentioning

confidence: 99%

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

Jendrzejczyk-Handzlik

2017

J min metall B Metall

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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.

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Heat of Mixing of the Liquid Silver–Indium and Silver–Gallium–Indium Alloys

Jendrzejczyk-Handzlik,

Handzlik

2023

Metall Mater Trans A

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Experimental studies of the multicomponent systems are necessary in the development of new materials which can be used in various industries. The literature review showed, that the liquid phase in the silver–gallium–indium system has not been studied yet. In the present work the heat of mixing of the liquid silver–indium and silver–gallium–indium alloys was studied using Calvet type MHTC96 calorimeter. Calorimetric measurements were carried out at the temperatures: 973 K, 1123 K and 1273 K for Ag–In alloys, and at 923 K, 1123 K and 1273 K along two cross-sections XAg/XGa = 1:1 and XGa/XIn = 1:1 for Ag–Ga–In alloys. Next, the Redlich–Kister–Muggianu formalism was applied in the mathematical description of the heat of mixing of the liquid silver–gallium–indium alloys. Experimental results obtained in this work are first, which provided information about the thermodynamic properties of the liquid phase in this ternary system.

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Enthalpies of mixing of liquid Ag–Ga, Au–Ga and Ag–Au–Ga alloys

Cited by 11 publications

References 20 publications

Thermodynamic Study and Re-optimization of the Au-Ga Binary System

Thermodynamic Study and Re-optimization of the Au-Ga Binary System

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

Heat of Mixing of the Liquid Silver–Indium and Silver–Gallium–Indium Alloys

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