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TRANSPARENT, NON-COLOURED LITHIUM ALUMINUM SILICATE GLASS CERAMIC ITEM WITH HIGH QUARZ MIXED CRYSTAL AS THE MAIN CRYSTAL PHASE AND METHOD FOR PRODUCING THE ITEM AND USE THEREOF
TRANSPARENT, NON-COLOURED LITHIUM ALUMINUM SILICATE GLASS CERAMIC ITEM WITH HIGH QUARZ MIXED CRYSTAL AS THE MAIN CRYSTAL PHASE AND METHOD FOR PRODUCING THE ITEM AND USE THEREOF
The invention relates to a transparent, non-colored lithium aluminum silicate glass ceramic article with high quartz mixed crystals as the main crystal phase, which essentially contains the following components (in% by weight on an oxide basis): Li 2 O 3 - <4.5 Al 2 O 3 19-24 SiO 2 62-70 Na 2 O 0-1.5 K 2 O 0-1.5 MgO 0.01 - <0.5 CaO 0-1.5 SrO 0-1.5 BaO 0-3 ZnO 0-3 TiO 2 > 1.6-2.8 ZrO 2 1 - <2.5 P 2 O 5 0 - <4 Fe 2 O 3 0.025-0.065 MnO 2 0.002-0.05 and with at least one refining agent selected from the group As 2 O 3 and / or SnO 2 in contents of up to 2 wt greater than 3 to 7.;The invention also relates to its manufacture and uses.
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机译：本发明涉及一种透明的无色锂铝硅酸铝玻璃陶瓷制品，其具有高石英混合晶体作为主要晶相，其基本上含有以下组分（氧化物的重量％）：Li 2 O 3 - < 4.5 Al 2 O 3 19-24 SiO 2 62-70 NA 2 O 0-1.5 K 2 O 0-1.5 MgO 0.01 - <0.5 CaO 0-1.5 SRO 0-1.5 BAO 0-3 ZNO 0-3 TIO 2> 1.6 -2.8 ZrO 2 1 - <2.5 P 2 O 5 0 - <4 Fe 2 O 3 0.025-0.065 MnO 2 0.002-0.05和至少一种从组中选择的精炼剂，其中含量为2 O 3和/或SnO 2 高达2wt大于3至7.;本发明还涉及其制造和用途。
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