GLASS ARTICLES HAVING TARGET COEFFICIENTS OF THERMAL EXPANSION AND INCREASED MODULUS AND METHODS FOR MAKING SAME

GLASS ARTICLES HAVING TARGET COEFFICIENTS OF THERMAL EXPANSION AND INCREASED MODULUS AND METHODS FOR MAKING SAME

A glass article includes: from 60 mol % to 80 mol % SiO2; from 5 mol % a to 25 mol % Al2O3; from 0.25 mol % to 10 mol % MgO; from 0.25 mol % to 10 mol % Na2O; from 0 mol % to 2 mol % Li2O; from 0 mol % to 9 mol % La2O3; and from 0 mol % to 9 mol % Y2O3. La2O3+Y2O3 is from 2 mol % to 9 mol %. (La2O3+...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Dutta, Indrajit, Filkins, Heath Aaron, Lamberson, Lisa Ann
Format: Patent
Sprache:eng
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:A glass article includes: from 60 mol % to 80 mol % SiO2; from 5 mol % a to 25 mol % Al2O3; from 0.25 mol % to 10 mol % MgO; from 0.25 mol % to 10 mol % Na2O; from 0 mol % to 2 mol % Li2O; from 0 mol % to 9 mol % La2O3; and from 0 mol % to 9 mol % Y2O3. La2O3+Y2O3 is from 2 mol % to 9 mol %. (La2O3+Y2O3)/(R2O+RO) is from 0.1 to 2, R2O being the sum of Na2O, Li2O, and K2O, and RO being the sum of MgO, CaO, SrO, and BaO.