GLASS SHEET

• Main Authors: JULIEN SELLIER, STÉPHANIE PELLETIER, RENÉ GY
• Format: Patent
• Language: English; Spanish
• Published: 05.12.2014
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SEMICONDUCTOR DEVICES; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The invention relates to a glass sheet which has a lithium aluminosilicate composition including at most 1 wt % of sodium oxide, and the thickness of which is at most 2 mm, and which has a surface area under compression obtained by ion exchange and a central area under tension, such that the bending strength in a "ring-on-tripod" test is at least 50 MPa after Vickers indentation under a load of 120 N. La invención se refiere a una hoja de vidrio que tiene una composición de aluminosilicato de litio e incluye como máximo 1% en peso de óxido de sodio, y su espesor es como máximo de 2 mm, tiene un área superficial bajo compresión obtenida por intercambio iónico y un área central bajo tensión, de manera que la tensión de flexión en una prueba de "anillo en trípode" es de al menos 50 MPa después de la indentación Vickers bajo una carga de 120 N.