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Process to prepare moulded shaped translucent lithium-di-silicate glass ceramic products

机译:制备成型的成型半透明二硅酸锂玻璃陶瓷产品的方法

摘要

Molded translucent lithium disilicate glass ceramic products of high chemical stability and high strength are produced from a melt of specified starting glass composition. Production of molded translucent lithium disilicate glass ceramic products of high chemical stability and high strength comprises: (a) forming a melt of a starting glass composition containing (in wt.%): 57.0-80.0 SiO2, 0-5.0 Al2O3, 0.1-6.0 La2O3, 0-5.0 MgO, 0-8.0 ZnO, 11.0-19.0 Li2O, 0.1-7.0 Al2O3 + La2O3, 0.1-9.0 MgO + ZnO; (b) molding the melt and cooling; and (c) heat treating the molded glass product at 400-1100o C to form the glass ceramic product.
机译:高化学稳定性和高强度的模制半透明锂硅酸盐玻璃陶瓷产品是由指定的起始玻璃成分的熔体生产的。具有高化学稳定性和高强度的模制半透明模制二硅酸锂玻璃陶瓷产品的生产包括:(a)形成起始玻璃组合物的熔体,该起始玻璃组合物包含(以重量%计):57.0-80.0 SiO2、0-5.0 Al2O3、0.1-6.0 La2O3、0-5.0 MgO,0-8.0 ZnO,11.0-19.0 Li2O,0.1-7.0 Al2O3 + La2O3、0.1-9.0 MgO + ZnO; (b)模制熔体并冷却; (c)在400-1100℃下对模制玻璃产品进行热处理,以形成玻璃陶瓷产品。

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