Solubility of Lanthanum in Liquid Alloys with Gallium and Indium

Autor: Alexander S. Dedyukhin, Andrey V. Shchetinskiy, Vladimir A. Volkovich, Leonid F. Yamschchikov
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Alloys, Vol 2, Iss 4, Pp 242-255 (2023)
Druh dokumentu: article
ISSN: 2674-063X
DOI: 10.3390/alloys2040017
Popis: The solubility of lanthanum in indium and Ga–In alloys containing 21.8, 40 and 70 wt. % In was determined experimentally at temperatures up to 1081 K. The low temperature limit depended on the melting point of the alloy. The solubility was measured using isothermal saturation and high-temperature filtration methods. The phase composition of solid intermetallic compounds formed in the ternary La–Ga–In systems of various compositions was determined by X-ray diffraction. Activity coefficients of lanthanum in the alloys based on gallium, indium and three Ga–In mixtures (21.8, 40 and 70 wt. % In) were calculated. Temperature dependencies of thermodynamically possible separation factors for the uranium/lanthanum couple in “LiCl–KCl–CsCl melt–liquid alloy” systems were derived for various gallium–indium alloys.
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