Abstract: Alkali aluminosilicate glasses that are resistant to damage due to sharp impact and capable of fast ion exchange are provided. The glasses comprise at least 4 mol % P2O5 and, when ion exchanged, have a Vickers indentation crack initiation load of at least about 7 kgf.

Abstract: The disclosure relates to glass compositions with high coefficients of thermal expansion and low fracture toughness designed for thermal tempering. These glasses are ideally suited to produce a “dicing” pattern when thermally tempered, even when thin (<3 mm). Disclosed glasses have high thermal expansions at low and high temperatures to produce increased temper stresses once quenched, coupled with low fracture toughness which promotes crack bifurcation and enhanced frangibility. Methods of making such glasses are also provided.

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

Abstract: The disclosure relates to glass compositions having improved thermal tempering capabilities. The disclosed glass compositions have high coefficients of thermal expansion and Young's moduli, and are capable of achieving high surface compressions. A method of making such glasses is also provided.

Abstract: Disclosed herein are embodiments of a glass pharmaceutical package with unique composition. The pharmaceutical package includes a glass container with a first and second surface, the first surface being an outer surface of the glass container. The glass container is formed from a borosilicate glass composition, the glass composition including: at least 75 mol % SiO2; at least 10 mol % B2O3; and Al2O3 in an amount such that sum of SiO2, B2O3, and Al2O3 is at least 90 mol %. The glass container has at least two of the following: a hydrolytic resistance of class HGA 1 according to ISO 720:1985, a base resistance of class A1 or class A2 according to ISO 695:1991, and an acid resistance of class S2 or class S1 according to DIN 12116 (2001).

Abstract: Disclosed herein are embodiments of a borosilicate glass composition having a unique fracture behavior. The borosilicate glass composition may be incorporated into a glass laminate including a first glass ply and a second glass ply. The second glass ply may comprise the borosilicate glass composition. The second glass ply may have a coefficient of thermal expansion of less than or equal to 5.1 ppm°/C. A combined thickness of the first glass ply and the second glass ply may be greater than or equal to 3.7 mm and less than or equal to 6.0 mm, and a ratio of the second thickness to the combined thickness is greater than or equal to 0.825. The second glass ply does not fail when the first major surface is impacted by a Vickers diamond impactor at an impact energy of 0.25 Joules.

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: 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 45 mol % to less than or equal to 60 mol % SiO2; greater than or equal to 15 mol % to less than or equal to 25 mol % Al2O3; greater than or equal to 10 mol % to less than or equal to 21 mol % Li2O; greater than or equal to 1 mol % to less than or equal to 10 mol % Cs2O; and greater than or equal to 7 mol % to less than or equal to 13 mol % P2O5. The glass composition may have a liquidus temperature of less than or equal to 1300° C. and a strain point greater than or equal to 525° C. The glass composition is chemically strengthenable. The glass composition may be used in a glass-based article or a consumer electronic product.

Abstract: A glass composition includes from 55.0 mol % to 75.0 mol % SiO2; from 8.0 mol % to 20.0 mol % Al2O3; from 3.0 mol % to 15.0 mol % Li2O; from 5.0 mol % to 15.0 mol % Na2O; and less than or equal to 1.5 mol % K2O. The glass composition has the following relationships: Al2O3+Li2O is greater than 22.5 mol %, R2O+RO is greater than or equal to 18.0 mol %, R2O/Al2O3 is greater than or equal to 1.06, SiO2+Al2O3+B2O3+P2O5 is greater than or equal to 78.0 mol %, and (SiO2+Al2O3+B2O3+P2O5)/Li2O is greater than or equal to 8.0. The glass composition may be used in a glass article or a consumer electronic product.

Abstract: In one or more embodiments disclosed herein, an electronic device may include a display device operable to project an image, a front cover substrate positioned over the display device and including a transparent material, and a protective coating disposed on at least a portion of the non-display area of the front cover substrate. The front cover substrate may include a display area over the display device and a non-display area around at least the perimeter of the front cover substrate. The protective coating may include an inorganic material. The protective coating may not be positioned over the display area.

Abstract: Embodiments of thermally and chemically strengthened glass-based articles are disclosed. In one or more embodiments, the glass-based articles may include a first surface and a second surface opposing the first surface defining a thickness (t), a first CS region comprising a concentration of a metal oxide that is both non-zero and varies along a portion of the thickness, and a second CS region being substantially free of the metal oxide of the first CS region, the second CS region extending from the first surface to a depth of compression of about 0.17•t or greater. In one or more embodiments, the first surface is flat to 100 ?m total indicator run-out (TIR) along any 50 mm or less profile of the first surface. Methods of strengthening glass sheets are also disclosed, along with consumer electronic products, laminates and vehicles including the same are also disclosed.

Abstract: Glass-based articles that include a hydrogen-containing layer extending from the surface of the article to a depth of layer. The hydrogen-containing layer includes a hydrogen concentration that decreases from a maximum hydrogen concentration to the depth of layer. The glass-based articles exhibit a high Vickers indentation cracking threshold. Glass compositions that are selected to promote the formation of the hydrogen-containing layer and methods of forming the glass-based article are also provided.

Abstract: Disclosed herein are embodiments of a borosilicate glass composition comprising B2O3 in an amount greater than or equal to 11 mol % and less than or equal to 16 mol %; Al2O3 in an amount greater than or equal to 2 mol % and less than or equal to 5 mol %; one or more alkali metal oxides; one or more alkaline earth metal oxides; a total amount of Na2O, K2O, MgO, and CaO that is greater than or equal to 7.0 mol %°. Amounts of SiO2, B2O3, the one or more alkali metal oxides, Al2O3, and the one or more alkaline earth metal oxides, satisfy: (R2O+R?O)?Al2O3, and 0.80<(1?[(2R2O+2R?O)/(SiO2+2Al2O3+2B2O3)])<0.93, where R2O and R?O are sums sum of the concentrations of the one or more alkali metal oxides and the one or more alkaline earth metal oxides, respectively.

Abstract: A glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about 0·t up to 0.3·t and from greater than about 0.7·t to t, comprise a tangent with a slope having an absolute value greater than about 0.1 MPa/micrometer. In some embodiments, the glass-based article includes a non-zero metal oxide concentration that varies along at least a portion of the thickness (e.g., 0·t to about 0.3·t) and a maximum central tension of less than about 71.5/?(t) (MPa). In some embodiments, the concentration of metal oxide or alkali metal oxide decreases from the first surface to a point between the first surface and the second surface and increases from the point to the second surface. The concentration of the metal oxide may be about 0.05 mol % or greater or about 0.

Abstract: A glass substrate formed from a glass composition is disclosed. In embodiments, the composition comprises: from 60 mol. % to 75 mol. % SiO2; from 2 mol. % to 15 mol. % Li2O; from 1.9 mol. % to 15 mol. % Y2O3; and at least one of B2O3 and Na2O. B2O3+Na2O is from 2 mol. % to 13 mol. %. Y2O3+Al2O3 is from 10 mol. % to 24 mol. %. A ratio R2O/Al2O3 is from 0.5 to 4, where R2O is a total concentration of Li2O, Na2O, K2O, Rb2O, and Cs2O. (R2O+RO)/Al2O3 is from 0.5 to 4.5, where RO is a total concentration of BeO, MgO, CaO, SrO, and BaO. The glass substrate has a Young's modulus from 75 gigapascals (GPa) to 110 GPa. The glass substrate is ion exchangeable to form a strengthened glass article.

Abstract: Embodiments are directed to glass articles which are resistant to UV photodarkening, the glass articles having a thickness ?1.3 mm and comprise UV absorbers such as Ti, V, Mn, Fe, Cu, Ce, Ge, Mo, Cr, Co and Ni, and combinations thereof, or alternatively comprising ZnO or SnO2.

Abstract: Glass-based articles that include a compressive stress layer extending from a surface of the glass-based article to a depth of compression are formed by exposing glass-based substrates to water vapor containing environments. The glass-based substrates have compositions selected to avoid the formation of haze during the treatment process. The methods of forming the glass-based articles may include elevated pressures and/or multiple exposures to water vapor containing environments selected to avoid the formation of haze during the treatment process.

Abstract: Glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t), and a stress profile are disclosed having a thickness (t) of about 3 millimeters or less, and wherein all points of the stress profile between a thickness range from about 0·t up to 0.3·t and from greater than 0.7·t, comprise a tangent with a slope that is less than about ?0.1 MPa/micrometers or greater than about 0.1 MPa/micrometers. Also disclosed are glass-based articles having a thickness (t) in a range of 0.1 mm and 2 mm; and wherein at least one point of the stress profile in a first thickness range from about 0·t up to 0.020·t and greater than 0.98·t comprises a tangent with a slope of from about ?200 MPa/micrometer to about ?25 MPa/micrometer or about 25 MPa/micrometer to about 200 MPa/micrometer, and wherein all points of the stress profile in a second thickness range from about 0.035·t and less than 0.

Abstract: A glass and an enclosure, including windows, cover plates, and substrates for mobile electronic devices comprising the glass. The glass has a crack initiation threshold that is sufficient to withstand direct impact, has a retained strength following abrasion that is greater than soda lime and alkali aluminosilicate glasses, and is resistant to damage when scratched. The enclosure includes cover plates, windows, screens, and casings for mobile electronic devices and information terminal devices.