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Nucleation, crystallization behavior and microstructure of mica glass-ceramics in the system SrO·4MgO·xAl 2 O 3 ·6SiO 2 ·2MgF 2 (x=1, 1.5 and 2)
A MALLIK, P KUNDU, A BASUMAJUMDAR
Published in -
2013
Volume: 39
   
Issue: 6
Pages: 6963 - 6969
Abstract
The effect of varying Al 2 O 3 content on the crystallization and microstructure behavior of strontium containing glasses based on the system SrO·4MgO·Al 2 O 3 · 6SiO 2 ·2MgF 2 was investigated by differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The glass transition temperature (T g ) and first crystallization peak temperature (T p 1 ) reduced with decrease in the alumina content. Glasses with x≥1.5 exhibited a second crystallization peak temperature (T p 2 ). The first crystallization peak temperature (T p 1 ) corresponded to the formation of strontium fluorophlogopite and second crystallization peak temperature (T p 2 ) corresponded to the formation of strontium aluminum silicate. © 2013 Elsevier Ltd and Techna Group S.r.l.
About the journal
JournalCeramics International
Publisher-
ISSN0272-8842