Abstract:The crystallization behaviour of lithia-alumina-silica glasses with 0-19 wt% zirconia was studied by X-ray diffraction, differential thermal analysis and infrared spectroscopy. The principal crystalline phases were identified as lithium metasilicate and cubic or tetragonal zirconia, as also a lithium aluminium silicate (,8-spodumene). The addition of zirconia to the glass changed the crystallization behaviour and transition temperature of the glasses.
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