Crystallization kinetics of new heavy metal oxide glasses within the Sb2O3-Na2O-WO3-PbO system
作者： M. Çelikbilek Ersundu , A.E. Ersundu , M.T. Soltani , M. Baazouzi
DOI: 10.1016/J.CERAMINT.2016.09.184
关键词:
摘要: Abstract Crystallization kinetic studies of new quaternary antimonite glasses within the Sb2O3-Na2O-WO3-PbO system were performed by non-isothermal methods using differential scanning calorimetry (DSC), X-ray diffraction (XRD) and electron microscopy (SEM) techniques. The parameters n m which determine crystallization reaction mechanism in obtained experimental values crystallized volume fraction, χ, applying Ozawa method. Values found as 1 indicating surface was confirmed SEM investigations. activation energy calculated range 234–272 kJ/mol seven different theoretical models. associated with cubic crystalline senarmontite phase Sb2O3.
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