Leucite-Containing Phosphosilicate Glass-Ceramic

摘要

A phosphosilicate glass-ceramic has a leucite crystal phase, at least one other crystal phase, and one or more glass phases, and contains 49.0-57.5 wt.% SiO2, 11.4-21.0% Al2O3, 0.5-5.5% P2O5, 2.5-11.5% CaO, 9.0-22.5% K2O, 1.0-9.5% Na2O, 0-2.5% Li2O, 0-2.0% B2O3, 0-3.0% TiO2, 0.8-8.5% ZrO2, 0-3.0% CeO2, 0.25-2.5% F, 0-3.0% La2O3, 0-3.0% ZnO, 0-3.0% BaO, 0-3.0% MgO and 0-3.0% SrO.