Experimental study and thermodynamic re-assessment of the Co-Sb system

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Authors

BROŽ Pavel ZELENKA František VŘEŠŤÁL Jan ZEMANOVÁ Adéla KROUPA Aleš BURŠÍK Jiří SVOBODA Milan ŠIMONÍKOVÁ Lucie POKORNÝ Tomáš

Year of publication 2020
Type Article in Periodical
Magazine / Source CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY
MU Faculty or unit

Faculty of Science

Citation
Doi http://dx.doi.org/10.1016/j.calphad.2019.101694
Keywords Co-Sb system; differential thermal analysis; phase analysis; thermodynamic modelling; phase diagram
Description Thermodynamic re-assessment of the Co-Sb system based on results of microstructure measurements and results from differential thermal analysis performed on alloys covering 0.80-0.99 at. % of Sb are reported. It was found that the previously experimentally described and assessed phase diagrams of this binary system are not in full agreement in the Sb-rich part which is of serious interest for existence CoSb3 phase with skutterudite structure. The information is important for study of thermal stability of skutterudite based thermoelectric materials.
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