Gibbs Energy Modeling of the Cu-S Liquid Phase: Completion of the Thermodynamic Calculation of the Cu-S System

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@article{0cb6c52baf97489dad0ae1ce17e4fd02,
title = "Gibbs Energy Modeling of the Cu-S Liquid Phase: Completion of the Thermodynamic Calculation of the Cu-S System",
abstract = "A thorough review and critical evaluation of all experimental sulfur potential and phase diagram data available from the literature has been made for optimizing the Gibbs energy of the copper-sulfur liquid phase at 1 bar total pressure. The extended modified quasichemical model serves as a basis for the mathematical expression of the Gibbs energy of binary Cu-S solutions over the complete composition range. A structurally versatile molten phase ranging from highly metallic via sulfur-rich to pure sulfuric is described simultaneously by a single Gibbs energy function. In combination with the recently published Gibbs energies of all Cu-S solid phases, the complete T–x phase diagram as well as for the first time the log(p S 2/ bar) - 1 / T diagram is calculated. A limited set of obtained model parameters reproduces a large body of data within experimental uncertainties. ",
author = "Peter Waldner",
note = "Publisher Copyright: {\textcopyright} 2020, The Author(s).",
year = "2020",
month = feb,
day = "20",
doi = "10.1007/s11663-020-01796-x",
language = "English",
volume = "51.2020",
pages = "805--817",
journal = "Metallurgical and materials transactions. B, Process metallurgy and materials processing science",
issn = "1073-5615",
publisher = "Elsevier",
number = "2",

}

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TY - JOUR

T1 - Gibbs Energy Modeling of the Cu-S Liquid Phase: Completion of the Thermodynamic Calculation of the Cu-S System

AU - Waldner, Peter

N1 - Publisher Copyright: © 2020, The Author(s).

PY - 2020/2/20

Y1 - 2020/2/20

N2 - A thorough review and critical evaluation of all experimental sulfur potential and phase diagram data available from the literature has been made for optimizing the Gibbs energy of the copper-sulfur liquid phase at 1 bar total pressure. The extended modified quasichemical model serves as a basis for the mathematical expression of the Gibbs energy of binary Cu-S solutions over the complete composition range. A structurally versatile molten phase ranging from highly metallic via sulfur-rich to pure sulfuric is described simultaneously by a single Gibbs energy function. In combination with the recently published Gibbs energies of all Cu-S solid phases, the complete T–x phase diagram as well as for the first time the log(p S 2/ bar) - 1 / T diagram is calculated. A limited set of obtained model parameters reproduces a large body of data within experimental uncertainties.

AB - A thorough review and critical evaluation of all experimental sulfur potential and phase diagram data available from the literature has been made for optimizing the Gibbs energy of the copper-sulfur liquid phase at 1 bar total pressure. The extended modified quasichemical model serves as a basis for the mathematical expression of the Gibbs energy of binary Cu-S solutions over the complete composition range. A structurally versatile molten phase ranging from highly metallic via sulfur-rich to pure sulfuric is described simultaneously by a single Gibbs energy function. In combination with the recently published Gibbs energies of all Cu-S solid phases, the complete T–x phase diagram as well as for the first time the log(p S 2/ bar) - 1 / T diagram is calculated. A limited set of obtained model parameters reproduces a large body of data within experimental uncertainties.

UR - http://www.scopus.com/inward/record.url?scp=85081178598&partnerID=8YFLogxK

U2 - 10.1007/s11663-020-01796-x

DO - 10.1007/s11663-020-01796-x

M3 - Article

VL - 51.2020

SP - 805

EP - 817

JO - Metallurgical and materials transactions. B, Process metallurgy and materials processing science

JF - Metallurgical and materials transactions. B, Process metallurgy and materials processing science

SN - 1073-5615

IS - 2

ER -