Study of the KN[O.sub.3]-[Al.sub.2][O.sub.3] System by differential scanning calorimetry

Study of the KN[O.sub.3]-[Al.sub.2][O.sub.3] System by differential scanning calorimetry

The structural and the thermodynamic properties of potassium nitrate KN[O.sub.3] and its composites with nanosized aluminum oxide [Al.sub.2][O.sub.3] have been studied by differential scanning calorimetry. It has been found that an amorphous phase forms in composites (1 - x)KN[O.sub.3]-[Al.sub.2][O....

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Veröffentlicht in:Physics of the solid state 2016-09, Vol.58 (9), p.1930
Hauptverfasser: Amirov, A.M, Gafurov, M.M, Rabadanov, K. Sh
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum oxide
Calorimetry
Thermodynamics
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Zusammenfassung:The structural and the thermodynamic properties of potassium nitrate KN[O.sub.3] and its composites with nanosized aluminum oxide [Al.sub.2][O.sub.3] have been studied by differential scanning calorimetry. It has been found that an amorphous phase forms in composites (1 - x)KN[O.sub.3]-[Al.sub.2][O.sub.3]. The thermal effect corresponding to this phase has been observed at 316[degrees]C. It has been found that the phase transition heats of potassium nitrate decreased as the aluminum oxide fraction increased.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783416090067