HIGH YOUNG'S MODULUS GLASS MATERIAL AND ARTICLE PRODUCED USING THE GLASS

The invention concerns glasses having a high stiffness and articles made using the glass. The glass having a composition containing both La2O3 in an amount of at least 6.3 mol- % and WO3 in an amount of at least 0.5 mol- %, the glass having a young's modulus of at least 85 GPa, and a linear coe...

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Bibliographische Detailangaben
Hauptverfasser:	KRUEGER, Susanne, ZHANG, Guangjun, ZIEBARTH, Benedikt, GOETZE, Tilmann, FAN, Huiyan
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention concerns glasses having a high stiffness and articles made using the glass. The glass having a composition containing both La2O3 in an amount of at least 6.3 mol- % and WO3 in an amount of at least 0.5 mol- %, the glass having a young's modulus of at least 85 GPa, and a linear coefficient of thermal expansion α20/300 of at most 7.5·10-6 K-1. L'invention concerne des verres ayant une rigidité élevée et des articles fabriqués à l'aide du verre. Le verre présente une composition contenant à la fois La2O3 en une quantité d'au moins 6,3 % en moles et WO3 en une quantité d'au moins 0,5 % en moles, le verre ayant un module de Young d'au moins 85 GPa, et un coefficient linéaire de dilatation thermique α20/300 d'au plus 7,5·10-6K-1.