Patent ID: 11905208
Assignee: CORNING INCORPORATED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A glass-ceramic having a Young's modulus in a range of 119 GPa to 177 GPa, comprising homogenous and internally nucleated crystalline microstructures, the glass-ceramic having a composition, comprising:
30 mol % to 40 mol % SiO2;
25 mol % to 35 mol % Al2O3;
8 mol % to 14 mol % Y2O3;
4 mol % to 18 mol % TiO2; and
5 mol % to 25 mol % R2O,
wherein R2O is the sum of Na2O, K2O, Li2O, Rb2O, and Cs2O.