Experimental Investigation and Thermodynamic Modelling of Ag–In–Pd Ternary System

A. V. Khoroshilov; Хорошилов А. В.; V. N.  Kuznetsov; Кузнецов В. Н.; A. S. Pavlenko; Павленко А. С.; E. A. Ptashkina; Пташкина Е. А.; G. P. Zhmurko; Жмурко Г. П.; E. G. Kabanova; Кабанова Е. Г.; M. A. Kareva; Карева М. А.

doi:10.31857/S0044453723010235

Experimental Investigation and Thermodynamic Modelling of Ag–In–Pd Ternary System

Authors: Khoroshilov A.V.¹, Kuznetsov V.N.², Pavlenko A.S.², Ptashkina E.A.², Zhmurko G.P.³, Kabanova E.G.², Kareva M.A.²
Affiliations:
1. Institute of General and Inorganic Chemistry
2. Chemical Faculty, Moscow State University
3. Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Issue: Vol 97, No 1 (2023)
Pages: 46-54
Section: ХИМИЧЕСКАЯ ТЕРМОДИНАМИКА И ТЕРМОХИМИЯ
Submitted: 15.10.2023
Published: 01.01.2023
URL: https://ogarev-online.ru/0044-4537/article/view/136519
DOI: https://doi.org/10.31857/S0044453723010235
EDN: https://elibrary.ru/BCRZNU
ID: 136519

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Abstract
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Abstract

Phase equilibria in Ag–In–Pd ternary system were studied using Scanning electron microscopy, Energy-dispersive X-ray spectroscopy (EDX) and X-Ray diffraction method (XRD). The solubilities of the third components in Ag–In and In–Pd binary phases were established, as well as composition ranges (from 4 to 17.5 at % Ag at 25 at % In) and crystal structure of τ ternary compound (Al3Ti). New thermodynamic assessment of Ag–In–Pd ternary system was performed, basing on the published experimental data and those obtained in the present work. Good agreement was achieved between the calculation results and the experimental data on phase equilibria and thermodynamic properties of the phases. The results of the calculation reproduce well experimental DTA/DSC data of three samples (the data were not included into the optimization). This additionally supports the correctness of the obtained thermodynamic description.

Keywords

palladium alloys, phase equilibria, thermodynamic modelling

References

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