Abstract
The effect of crystallization produced by addition of TiO2, ZrO2 and P2O5 oxides to glass-ceramic of the system CaO-MgO-SiO2 was studied using structural and thermal techniques. The devitrification process was independent of thermal treatment. X-ray diffraction studies performed on the glass-ceramic system indicated that diopside crystalline phase was more thermodynamically favourable than other phases. The effect of the nucleating agent depends on its nature: TiO2 decreased the activation energy while P2O5 and ZrO2 did not. SEM analysis of the doped glass-ceramics showed randomly distributed crystals with significant dimensional variations from those of the undoped system. All these formulations, showing a high crystallization rate, and a fast heating rate, can be used as tile glazes and/or tile-glaze components.
Highlights
The effect of cry stallization produced by addition of TiO2, ZrO2 and P2O5 oxides to glass-ceramic of the sy stem CaO-MgO-SiO2 was studied using structural and thermal techniques
TiO2 Cry stallization P2O5 Diopside Cry stallization Rate This is a prev iew of subscription content, log in to check access
© 201 7 Springer International Publishing AG
Summary
&author=S.%20R..%20Lev itt&journal=J.%20Mater.%20Sci.&v olume= 8&pages=7 93&publication_y ear=197 3). &author=J.%20J..%20Brennan&author=K.%20M..%20Prewo&journal =J.%20Mater.%20Sci.&v olume=17 &pages=237 1&publication_y ear=1 982). &author=C..%20Leonelli&author=T..%20Manfredini&author=M..%20P agane lli&autho r =G.%2 0 C..%2 0 Pe llac ani&autho r =J.%2 0 L..%2 0 A mo r o s %20Albaro&author=J.%20E.%20E..%20Nav arro&author=M.%20J..%2 0 Or ts&autho r =S..%2 0 Br uni&autho r =F..%2 0 Car iati&jo ur nal=J.%2 0 A m .%20Ceram.%20Soc.&v olume=7 4&pages=983&publication_y ear=199 1). &author=C..%20Leonelli&author=T..%20Manfredini&author=M..%20P agane lli&autho r =G.%2 0 C..%2 0 Pe llac ani&autho r =J.%2 0 L..%2 0 A mo r o s %20Albaro&author=J.%20E.%20E..%20Nav arro&author=M.%20J..%2 0Orts&author=L..%20Pennisi&journal=Ind.%20Ceram.&v olume=11&p ages=7 &publication_y ear=1991). &autho r =M..%2 0 So pic kaLizer&author=S..%20Pawlowski&journal=Ceram.%20Acta&v olume=3 &pages=39&publication_y ear=1991). &author=J..%20Sestak&journal=Phy s.%20Chem.%20Glasses&v olume =6&pages=137 &publication_y ear=197 4). &author=C..%20Leonelli&author=T..%20Manfredini&author=M..%20P agane lli&autho r =P..%2 0 Po zzi&autho r =G.%2 0 C..%2 0 Pe llac ani&jo ur nal =J.%20Mater.%20Sci.&v olume=26&pages=5041&publication_y ear=1 991).
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