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Phase Equilibria of the Ag–Cu–M (M = Nb, Fe, Pb) Systems

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Abstract

Sixteen alloys were prepared to determine the isothermal sections of the Ag–Cu–Nb system at 500, 600 and 700 °C using x-ray diffraction (XRD) and scanning electron microscopy with energy dispersive x-ray spectroscopy (SEM/EDS). Based on the thermodynamic descriptions of constitutive binary systems as well as the experimental phase equilibria data obtained from the present work and literatures, the Ag–Cu–M (M = Nb, Fe, Pb) ternary systems were thermodynamically evaluated by the CALPHAD (CALculation of PHAse Diagrams) method. The solution phases were described by the substitutional solution model and a set of self-consistent thermodynamic parameters was finally obtained for each of the ternary systems. The calculated isothermal sections are in good agreement with most of the reliable experimental data.

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Acknowledgments

The work support from the Major Science and Technology Project of Precious Metal Materials Genetic Engineering in Yunnan Province (No. 202002AB080001-1), the National Natural Science Foundation of China (No. 52071002) and the National Natural Science Foundation of Anhui Province (No. 2008085QE200) are greatly acknowledged.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, 232001, Anhui, People’s Republic of China

    Yu Zhang & Biao Hu

  2. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, People’s Republic of China

    Huiqing Yin

  3. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, Hunan, People’s Republic of China

    Shuhong Liu & Yong Du

  4. Anhui International Joint Research Center for Nano Carbon-Based Materials and Environmental Health, Huainan, 232001, Anhui, People’s Republic of China

    Yu Zhang & Biao Hu

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  1. Yu Zhang
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Correspondence to Biao Hu.

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Zhang, Y., Hu, B., Yin, H. et al. Phase Equilibria of the Ag–Cu–M (M = Nb, Fe, Pb) Systems. J. Phase Equilib. Diffus. 43, 533–546 (2022). https://doi.org/10.1007/s11669-022-00998-x

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  • DOI: https://doi.org/10.1007/s11669-022-00998-x

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