Li2O-Al2O3-SiO2-BASED CRYSTALLIZED GLASS AND Li2O-Al2O3-SiO2-BASED CRYSTAL GLASS

To provide a Li2O-Al2O3-SiO2-based crystallized glass excellent in impact strength and thermal impact strength and having few residual bubbles even when the amount of use of raw materials containing lithium is reduced.SOLUTION: A Li2O-Al2O3-SiO2-based crystallized glass and a Li2O-Al2O3-SiO2-based c...

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1. Verfasser:	HSU KUOUAN
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Zusammenfassung:	To provide a Li2O-Al2O3-SiO2-based crystallized glass excellent in impact strength and thermal impact strength and having few residual bubbles even when the amount of use of raw materials containing lithium is reduced.SOLUTION: A Li2O-Al2O3-SiO2-based crystallized glass and a Li2O-Al2O3-SiO2-based crystal glass comprise, in percent by mass, 60.0-70.0% SiO2, 15.0-25.0% Al2O3, 1.0-6.0% Li2O, 1.0-4.0% TiO2, 0.5-3.0% ZrO2, 0.1-3.0% MnO2, 0.1-2.0% Na2O, 0.1-2.0% K2O, 0.1-2.0% P2O5, 0.1-1.5% MgO, 0.1-3.0% ZnO, and 0.1-2.5% BaO, and As2O3 is less than 0.1%.SELECTED DRAWING: None 【課題】リチウムを含有する原料の使用量を減らしても衝撃強度と熱衝撃強度に優れ且つ残留気泡が少ないＬｉ２Ｏ－Ａｌ２Ｏ３－ＳｉＯ２系結晶化ガラスを提供する。【解決手段】Ｌｉ２Ｏ－Ａｌ２Ｏ３－ＳｉＯ２系結晶化ガラス及びＬｉ２Ｏ－Ａｌ２Ｏ３－ＳｉＯ２系結晶性ガラスは、質量百分率で、ＳｉＯ２６０．０～７０．０％、Ａｌ２Ｏ３１５．０～２５．０％、Ｌｉ２Ｏ１．０～６．０％、ＴｉＯ２１．０～４．０％、ＺｒＯ２０．５～３．０％、ＭｎＯ２０．１～３．０％、Ｎａ２Ｏ０．１～２．０％、Ｋ２Ｏ０．１～２．０％、Ｐ２Ｏ５０．１～２．０％、ＭｇＯ０．１～１．５％、ＺｎＯ０．１～３．０％及びＢａＯ０．１～２．５％を含み、Ａｓ２Ｏ３が０．１％未満である。【選択図】なし