Calorimetric and Electromotive Force Measurements of Al-Li-Zn Liquid Solutions
PBN-AR
Instytucja
Instytut Metalurgii i Inżynierii Materiałowej im. Aleksandra Krupkowskiego Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
en
Czasopismo
JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION
ISSN
1547-7037
EISSN
1863-7345
Wydawca
SPRINGER
DOI
URL
Rok publikacji
2016
Numer zeszytu
4
Strony od-do
481-490
Numer tomu
37
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Autorzy
Słowa kluczowe
en
calorimetry, electromotive force (EMF), enthalpy of mixing, thermodynamic properties
Streszczenia
Język
en
Treść
The solution calorimetry and electromotive force methods were used for the study of the mixing enthalpy and partial excess Gibbs energy of the Al-Li-Zn liquid solutions. Calorimetric investigations were conducted for solutions with the ratio of X Li/X Al and X Li/X Zn = 0.8/0.2 and at the temperatures of 942 and 978 K, respectively. The electromotive force studies were performed at two temperatures: 873 and 923 K by the titration technique and for dilute solutions. Based on the data of the mixing enthalpy change and the partial excess Gibbs energy of Li available in the literature, together with that obtained in these studies, the ternary interaction parameters were elaborated. The comparative analysis of the experimental mixing enthalpy change generally showed a good agreement with the values calculated based on different models. The observed deviations between the experimental and the calculated values were, for most of the experimental data, lower than 1 kJ/mol. The experimental partial excess Gibbs energy of Li showed a satisfactory agreement with that modeled on the basis of the ternary parameters elaborated in this work.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
739487
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