Details

Autor(en) / Beteiligte

• Zajączkowski, Andrzej
• Czernecki, Józef
• Suruło, Anna

Titel

Thermodynamics of the Cu–Bi system determined by vapour pressure measurements

Ist Teil von

• Calphad, 2016-03, Vol.52, p.66-77

Ort / Verlag

Elsevier Ltd

Erscheinungsjahr

2016

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Application of Knudsen method for solid and liquid copper in the temperature range 1300–1725K, liquid bismuth in temperatures 769–1129K, and liquid Cu–Bi alloys in temperatures from 871 to 1469K, provided experimental data which made it possible to characterize thermodynamic properties of liquid and gaseous phase of Cu–Bi system. Standard enthalpies of copper and bismuth monomers sublimation and dissociation of bismuth dimer as well as parameters of Regular Associated Solution model (RAS), describing excess Gibbs energy of liquid phase of the examined system, were determined. The obtained model takes into account also presence of disturbances in vaporization of bismuth dimer from Cu–Bi alloys by introducing into the model a parameter which describes the evaporation coefficient of that particle. •The Knudsen method for cooper and liquid bismuth and Cu–Bi alloys was applied.•The thermodynamic properties of the Cu–Bi system were presented.•Standard enthalpies of the copper and bismuth monomers sublimation were determined.•Standard enthalpy of dissociation of bismuth dimer was determined.