Pregled bibliografske jedinice broj: 719163
Kinetics of Crystallization In Partially Crystalline Metallic Glass Zr53Cu40Al7
Kinetics of Crystallization In Partially Crystalline Metallic Glass Zr53Cu40Al7 // Journal of trends in the development of machinery and associated technology, 18 (2014), 1; 103-106 (podatak o recenziji nije dostupan, članak, znanstveni)
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Naslov
Kinetics of Crystallization In Partially Crystalline Metallic Glass Zr53Cu40Al7
Autori
Lozančić, Matej ; Salčinović Fetić, Amra ; Slokar, Ljerka ; Bajrović, Nusret ; Sulejmanović, Suada
Izvornik
Journal of trends in the development of machinery and associated technology (2303-4009) 18
(2014), 1;
103-106
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
partially crystalline metallic glass ; thermal stability ; differential scanning calorimetry ; activation energy ; non - isothermal process
Sažetak
Metallic glass Zr53Cu40Al7 was prepared in the form of ribbon by melt-spinning the master alloy in a purified argon atmosphere at a lower quenching rate. Its thickness of 0.1 mm is near limit of bulk glasses. Presence of crystallites in the amorphous matrix was confirmed by X- ray diffraction (XRD). Homogeneity and chemical composition were investigated using scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). Metallic glasses are metastable and it is of great importance to investigate their stability. The crystallization process was studied by means of differential scanning calorimetry (DSC). Overall activation energies of the crystallization were calculated using various models for non-isothermal process and their values are close to 2.97 eV.
Izvorni jezik
Engleski
Znanstvena područja
Fizika
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