Crystallized glass and preparation method therefor
OwnerYamashita YUTAKA, Ke ZHANG +4inventors
InventorsYamashita YUTAKA, Ke ZHANG, Xintao LI, Weifang ZHANG, Morita EIMITSU, Rong LIU
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Abstract
A crystallized glass having the following oxides in mass percentage: 60.0%-70.0% SiO2, 1.0%-5.0% P2O5, 0.1%-10.0% Al2O3, 3.1%-9.99% Li2CO3, 1.0%-3.0% K2CO3, 5.1%-12.0% Na2CO3, 1.0%-5.0% MgO, 0.01%-0.09% TiO2, 1.0%-10.0% ZrO2, 1.0%-2.0% SrO, 0.1%-0.9% La2O3, 0.1%-0.9% Y2O3, 1.0%-2.0% Nb2O5, 1.0%-2.0% Ta2O5, 0.1%-0.9% WO3, 0.1%-0.9% Gd2O3, 0.1%-0.9% Bi2O3, and 0.1%-0.9% TeO2. A preparation method for the crystalized glass is also provided.
Claims10
A crystallized glass, comprising the following oxides in mass percentage:
- 60.0%-70.0% SiO2, 1.0%-5.0% P2O5, 0.1%-10.0% Al2O3, 3.1%-9.99% Li2CO3, 1.0%-3.0% K2CO3, 5.1%-12.0% Na2CO3, 1.0%-5.0% MgO, 0.01%-0.09% TiO2, 1.0%-10.0% ZrO2, 1.0%-2.0% SrO, 0.1%-0.9% La2O3, 0.1%-0.9% Y2O3, 1.0%-2.0% Nb2O5, 1.0%-2.0% Ta2O5, 0.1%-0.9% WO3, 0.1%-0.9% Gd2O3, 0.1%-0.9% Bi2O3, and 0.1%-0.9% TeO2.
A preparation method for a crystallized glass, comprising the following steps:
- mixing raw materials evenly to obtain a mixture, melting the mixture to obtain a molten mixture, and then cooling the molten mixture to obtain a glass sheet, wherein the raw materials comprises the following oxides in mass percentage:
- 60.0%-70.0% SiO2, 1.0%-5.0% P2O5, 0.1%-10.0% Al2O3, 3.1%-9.99% Li2CO3, 1.0%-3.0% K2CO3, 5.1%-12.0% Na2CO3, 1.0%-5.0% MgO, 0.01%-0.09% TiO2, 1.0%-10.0% ZrO2, 1.0%-2.0% SrO, 0.1%-0.9% La2O3, 0.1%-0.9% Y2O3, 1.0%-2.0% Nb2O5, 1.0%-2.0% Ta2O5, 0.1%-0.9% WO3, 0.1%-0.9% Gd2O3, 0.1%-0.9% Bi2O3, and 0.1%-0.9% TeO2;
- subjecting the glass sheet to thermal nucleation treatment and crystal growth treatment according to conventional prior art to obtain the crystallized glass.
Dependencies are inferred from the claim text.