Al-Co-Cr-Fe-Ni alloys have been modeled by computational thermodynamics according to the CALPHAD approach using literature data and results of a few key experiments performed in this work. As a result, an Al-Co-Cr-Fe-Ni thermodynamic database has been developed, based on the thermodynamic assessments of all the binary and ternary subsystems and the addition of a few quaternary interaction parameters. The assessment was supported by ESPEI (Extensible Self-optimizing Phase Equilibria Infrastructure), a tool for thermodynamic database development within the CALPHAD method. Computed phase equilibria in the quinary system are in good agreement with experimental data from the literature and the present experiments.

Thermodynamic modeling of the Al-Co-Cr-Fe-Ni high entropy alloys supported by key experiments

Ostrowska M.;Riani P.;Cacciamani G.
2022-01-01

Abstract

Al-Co-Cr-Fe-Ni alloys have been modeled by computational thermodynamics according to the CALPHAD approach using literature data and results of a few key experiments performed in this work. As a result, an Al-Co-Cr-Fe-Ni thermodynamic database has been developed, based on the thermodynamic assessments of all the binary and ternary subsystems and the addition of a few quaternary interaction parameters. The assessment was supported by ESPEI (Extensible Self-optimizing Phase Equilibria Infrastructure), a tool for thermodynamic database development within the CALPHAD method. Computed phase equilibria in the quinary system are in good agreement with experimental data from the literature and the present experiments.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11567/1066582
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