Abstract: A glass composition includes greater than or equal to 50 mol % to less than or equal to 60 mol % SiO2; greater than or equal to 6 mol % to less than or equal to 30 mol % Al2O3; greater than or equal to 8 mol % Li2O; and greater than or equal to 2.5 mol % Y2O3. The glass is characterized by the relationship Al2O3—Li2O—Y2O3?2 mol %. The glass composition may have a fracture toughness of greater than or equal 0.90 MPa?m. The glass composition is chemically strengthenable. The glass composition may be used in a glass article or a consumer electronic product.

Abstract: A glass composition includes greater than or equal to 50 mol % and less than or equal to 70 mol % SiO2; greater than or equal to 10 mol % and less than or equal to 20 mol % Al2O3; greater than or equal to 1 mol % and less than or equal to 10 mol % B2O3; greater than or equal to 7 mol % and less than or equal to 14 mol % Li2O; greater than 0 mol % and less than or equal to 8 mol % Na2O; greater than 0 mol % and less than or equal to 1 mol % K2O; greater than or equal to 0 mol % and less than or equal to 7 mol % CaO; greater than or equal to 0 mol % and less than or equal to 8 mol % MgO; and greater than or equal to 0 mol % and less than or equal to 8 mol % ZnO. R2O+R?O is less than or equal to 25 mol %, wherein R2O is the sum of Li2O, Na2O, and K2O and R?O is the sum of CaO, MgO, and ZnO. The glass composition includes at least one of NiO+Co3O4+Cr2O3+CuO is greater than or equal to 0.001 mol %, CeO2 is greater than or equal to 0.1 mol %, and TiO2 is greater than or equal to 0.1 mol %.

Abstract: A glass composition includes SiO2, Al2O3, B2O3, alkali metal oxides, alkaline earth oxides, TiO2, CeO2, Fe2O3, and is provides a yellow-colored glass article.

Abstract: A glass composition includes: from 55.0 mol % to 70.0 mol % SiO2; from 12.0 mol % to 20.0 mol % Al2O3; from 5.0 mol % to 15.0 mol % Li2O; and from 4.0 mol % to 15.0 mol % Na2O. The glass composition has the following relationships ?8.00 mol %?R2O+RO?Al2O3?B2O3?P2O5??1.75 mol %, 9.00?(SiO2+Al2O3+Li2O)/Na2O, and (Li2O+Al2O3+P2O5)/(Na2O+B2O3)?3.50. The glass composition may be used in a glass article or a consumer electronic product.

Abstract: A glass composition includes: Si2O, greater than 0 mol % to less than or equal to 24 mol % Al2O3, B2O3, K2O, greater than or equal to 10 mol % to less than or equal to 38 mol % MgO, Na2O, and Li2O. The glass composition may have a fracture toughness of greater than or equal 0.80 MPa?m and a Young's modulus of greater than or equal to 80 GPa to less than or equal to 120 GPa. The glass composition is chemically strengthenable. The glass composition may be used in a glass article or a consumer electronic product.

Abstract: A colored glass article may include 50-80 mol % SiO2; 7-20 mol % Al2O3; 1-35 mol % R2O, wherein R2O comprises at least one of Li2O, Na2O, and K2O; 1×10?6-10 mol % of a colorant, wherein the colorant comprises at least one of Cr2O3, Au, Ag, CuO, NiO, Co3O4, TiO2, CeO2; and 12-24 mol % of Al2O3+MgO+CaO+ZnO. The colored glass article may have a transmittance color coordinate in the CIELAB color space with an L* value of 55 to 96.5. The colored glass article may have a compressive stress profile with a depth of compression ?0.15t a thickness t from 0.4 mm-5 mm, a compressive stress ?200 MPa, and a central tension ?60 MPa. The colored glass article may have a dielectric constant from 5.6 to 6.4 over the frequency range from 10 GHz to 60 GHz.

Abstract: A method for generating various stress profiles for chemically strengthened glass. An alkali aluminosilicate glass is brought into contact with an ion exchange media such as, for example, a molten salt bath containing an alkali metal cation that is larger than an alkali metal cation in the glass. The ion exchange is carried out at temperatures greater than about 420° C. and at least about 30° C. below the anneal point of the glass.

Abstract: A colored glass article may include 50-80 mol% SiO2; 7-20 mol% Al2O3; 1-35 mol% R2O, wherein R2O comprises at least one of Li2O, Na2O, and K2O; 1 × 10-6-10 mol% of a colorant, wherein the colorant comprises at least one of Cr2O3, Au, Ag, CuO, NiO, Co3O4, TiO2, CeO2; and 12-24 mol% of Al2O3 + MgO + CaO + ZnO. The colored glass article may have a transmittance color coordinate in the CIELAB color space with an L* value of 55 to 96.5. The colored glass article may have a compressive stress profile with a depth of compression ? 0.15t a thickness t from 0.4 mm-5 mm, a compressive stress ? 200 MPa, and a central tension ? 60 MPa. The colored glass article may have a dielectric constant from 5.6to 6.4 over the frequency range from 10 GHz to 60 GHz.

Abstract: A glass composition includes greater than or equal to 60 mol % and less than or equal to 85 mol % SiO2; greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al2O3; greater than or equal to 0 mol % and less than or equal to 15 mol % Li2O; greater than or equal to 0.5 mol % and less than or equal to 25 mol % Na2O; greater than or equal to 0.1 mol % and less than or equal to 20 mol % 1(20; greater than or equal to 0 mol % and less than or equal to 10 mol % CaO; greater than or equal to 0 mol % and less than or equal to 10 mol % MgO; and greater than or equal to 0.005 mol % and less than or equal to 0.5 mol % Au.

Abstract: A glass composition includes: greater than or equal to 53 mol % and less than or equal to 70 mol % SiO2; greater than or equal to 9 mol % and less than or equal to 20 mol % Al2O3; greater than or equal to 10 mol % and less than or equal to 17.5 mol % B2O3; greater than or equal to 0 mol % Li2O; greater than or equal to 0 mol % Na2O; and greater than 0.1 mol % of a nucleating agent. The sum of Li2O and Na2O in the glass composition may be greater than or equal to 8 mol % and less than or equal to 30 mol %. The amount of Al2O3 minus the sum of R2O and RO in the glass composition may be greater than or equal to ?3 mol %. The glass composition may be phase separable and may have an improved KIc fracture toughness.

Abstract: A glass composition includes: from 55.0 mol % to 70.0 mol % SiO2; from 12.0 mol % to 20.0 mol % Al2O3; from 5.0 mol % to 15.0 mol % Li2O; and from 4.0 mol % to 15.0 mol % Na2O. The glass composition has the following relationships ?8.00 mol %?R2O+RO?Al2O3?B2O3?P2O5??1.75 mol %, 9.00?(SiO2+Al2O3+Li2O)/Na2O, and (Li2O+Al2O3+P2O5)/(Na2O+B2O3)?3.50. The glass composition may be used in a glass article or a consumer electronic product.

Abstract: Glass-based articles are provided that exhibit improved fracture resistance. The relationships between properties attributable to the glass composition and stress profile of the glass-based articles are provided that indicate improved fracture resistance.

Abstract: Glass-based articles comprise stress profiles providing improved fracture resistance. The glass-based articles herein provide high fracture resistance after multiple drops.

Abstract: A glass composition includes greater than or equal to 50 mol % and less than or equal to 70 mol % SiO2; greater than or equal to 10 mol % and less than or equal to 20 mol % Al2O3; greater than or equal to 1 mol % and less than or equal to 10 mol % B2O3; greater than or equal to 7 mol % and less than or equal to 14 mol % Li2O; greater than 0 mol % and less than or equal to 8 mol % Na2O; greater than 0 mol % and less than or equal to 1 mol % K2O; greater than or equal to 0 mol % and less than or equal to 7 mol % CaO; greater than or equal to 0 mol % and less than or equal to 8 mol % MgO; and greater than or equal to 0 mol % and less than or equal to 8 mol % ZnO. R2O+R?O is less than or equal to 25 mol %, wherein R2O is the sum of Li2O, Na2O, and K2O and R?O is the sum of CaO, MgO, and ZnO. The glass composition includes at least one of NiO+Co3O4+Cr2O3+CuO is greater than or equal to 0.001 mol %, CeO2 is greater than or equal to 0.1 mol %, and TiO2 is greater than or equal to 0.1 mol %.

Abstract: A glass composition includes: Si2O, greater than 15 mol % to less than or equal to 32 mol % Al2O3, B2O3, K2O, MgO, Na2O, and Li2O. The glass composition may have a fracture toughness of greater than or equal 0.75 MPa?m and a Young's modulus of greater than or equal to 80 GPa to less than or equal to 120 GPa. The glass composition is chemically strengthenable. The glass composition may be used in a glass article or a consumer electronic product.

Abstract: Colored glass articles and methods for making the same are described herein. In embodiments, a colored glass article may include 50 mol. % to 70 mol. % SiO2; 10 mol. % to 20 mol. % Al2O3; 4 mol. % to 10 mol. % B2O3; 7 mol. % to 17 mol. % Li2O; 1 mol. % to 9 mol. % Na2O; 0.01 mol. % to 1 mol. % SnO2; and 0.01 mol. % to 5 mol. % Ag. The difference between R2O and Al2O3(R2O—Al2O3) may be greater than 0.2 mol. % and less than or equal to 5.00 mol. % where R2O is the sum of Li2O, Na2O, and K2O.

Abstract: A glass composition includes greater than or equal to 50 mol % and less than or equal to 70 mol % SiO2; greater than or equal to 10 mol % and less than or equal to 20 mol % Al2O3; greater than or equal to 1 mol % and less than or equal to 10 mol % B2O3; greater than or equal to 7 mol % and less than or equal to 14 mol % Li2O; greater than 0 mol % and less than or equal to 8 mol % Na2O; greater than 0 mol % and less than or equal to 1 mol % K2O; greater than or equal to 0 mol % and less than or equal to 7 mol % CaO; greater than or equal to 0 mol % and less than or equal to 8 mol % MgO; and greater than or equal to 0 mol % and less than or equal to 8 mol % ZnO. R2O+R?O is less than or equal to 25 mol %, wherein R2O is the sum of Li2O, Na2O, and K2O and R?O is the sum of CaO, MgO, and ZnO. The glass composition includes at least one of NiO+CO3O4+Cr2O3+CuO is greater than or equal to 0.001 mol %, CeO2 is greater than or equal to 0.1 mol %, and TiO2 is greater than or equal to 0.1 mol %.

Abstract: Glass-based articles comprise stress profiles providing improved fracture resistance. The glass-based articles herein provide high fracture resistance after multiple drops.

Abstract: Glass-ceramics and precursor glasses that are crystallizable to glass-ceramics are disclosed. The glass-ceramics of one or more embodiments include rutile, anatase, armalcolite or a combination thereof as the predominant crystalline phase. Such glasses and glass-ceramics may include compositions of, in mole %: SiO2 in the range from about 45 to about 75; Al2O3 in the range from about 4 to about 25; P2O5 in the range from about 0 to about 10; MgO in the range from about 0 to about 8; R2O in the range from about 0 to about 33; ZnO in the range from about 0 to about 8; ZrO2 in the range from about 0 to about 4; B2O3 in the range from about 0 to about 12, and one or more nucleating agents in the range from about 0.5 to about 12. In some glass-ceramic articles, the total crystalline phase includes up to 20% by weight of the glass-ceramic article.

Abstract: A method of forming a multi-colored glass substrate comprises: irradiating a first region of a glass substrate with a first high energy source to form a first irradiated glass substrate; and subjecting the irradiated glass substrate to a first heat treatment to form a first heat treated glass substrate, wherein the first heat treated glass substrate comprises a second region having a different transmittance color coordinate in the CIELAB color space, as measured at an article thickness of 1.33 mm under F2 illumination and a 10° standard observer angle, than the first region.