Architectural structures including an inorganic material carrier including cement and particles or fibers of a glass including a plurality of Cu.sup.1+ ions. In aspects, the glass may have a glass phase and a cuprite phase. In aspects, the glasses may include a plurality of Cu.sup.1+ ions, a degradable phase including B.sub.2O.sub.3, P.sub.2O.sub.5 and K.sub.2O and a durable phase including SiO.sub.2. In other aspects, the glass can have a plurality of Cu.sup.1+ ions disposed on the surface of the glass and in the glass network and/or the glass matrix. The glasses and articles disclosed herein can exhibit a 2 log reduction or greater in a concentration of at least one of Staphylococcus aureus, Enterobacter aerogenes, Pseudomonas aeruginosa bacteria, Methicillin Resistant Staphylococcus aureus, and E. coli, under the EPA Test Method for Efficacy of Copper Alloy as a Sanitizer testing condition and under Modified JIS Z 2801 for Bacteria testing conditions.

Architectural structures including an inorganic material carrier including cement and particles or fibers of a glass including a plurality of Cu.sup.1+ ions. In aspects, the glass may have a glass phase and a cuprite phase. In aspects, the glasses may include a plurality of Cu.sup.1+ ions, a degradable phase including B.sub.2O.sub.3, P.sub.2O.sub.5 and K.sub.2O and a durable phase including SiO.sub.2. In other aspects, the glass can have a plurality of Cu.sup.1+ ions disposed on the surface of the glass and in the glass network and/or the glass matrix. The glasses and articles disclosed herein can exhibit a 2 log reduction or greater in a concentration of at least one of Staphylococcus aureus, Enterobacter aerogenes, Pseudomonas aeruginosa bacteria, Methicillin Resistant Staphylococcus aureus, and E. coli, under the EPA Test Method for Efficacy of Copper Alloy as a Sanitizer testing condition and under Modified JIS Z 2801 for Bacteria testing conditions.

To suppress reduction in rigidity. A cover material has a curvature in a first direction X and a curvature in a second direction Y. The curvature in the first direction X and the curvature in the second direction Y intersect with each other on a plane of the cover material 10. The radius of curvature of the curvature in the first direction X is 60 mm or more and 300 mm or less. The radius of curvature of the curvature in the second direction Y is 1000 mm or more and 14000 mm or less.

The present disclosure provides a glass composition which is for chemical strengthening, from which a glass sheet can be produced by a common float process, and which is suitable for achieving both a surface compressive stress and a compressive stress layer depth. The glass composition according to the present disclosure includes, as components, in mol %: 60 to 80% SiO.sub.2; 1 to 5% Al.sub.2O.sub.3; 5 to 25% MgO; 0 to 5% CaO; 10 to 20% Na.sub.2O; and 0 to 10% K.sub.2O. A chemically strengthened glass article, for example, having a surface compressive stress of 500 MPa or more and a compressive stress layer depth of 10 μm or more can be provided using the glass composition.

The present invention relates to a glass including, in terms of mole percentage based on oxides: SiO.sub.2 in an amount of 45% to 65%; Al.sub.2O.sub.3 in an amount of 18% to 30%; Li.sub.2O in an amount of 7% to 15%; one or more selected from Y.sub.2O.sub.3 and La.sub.2O.sub.3 in a total amount of 0% to 10%; P.sub.2O.sub.5 in an amount of 0% to 10%; B.sub.2O.sub.3 in an amount of 0% to 10%; and ZrO.sub.2 in an amount of 0% to 4%, and satisfying the following expression: [Al.sub.2O.sub.3]—[R.sub.2O]—[RO]—[P.sub.2O.sub.5]>0, provided that, in terms of mole percentage based on oxides, a content of Al.sub.2O.sub.3 is defined as [Al.sub.2O.sub.3], a content of P.sub.2O.sub.5 is defined as [P.sub.2O.sub.5], a total content of alkali metal oxides is defined as [R.sub.2O], and a total content of alkali earth metal oxides is defined as [RO].

The present invention relates to a glass including, in terms of mole percentage based on oxides: SiO.sub.2 in an amount of 45% to 65%; Al.sub.2O.sub.3 in an amount of 18% to 30%; Li.sub.2O in an amount of 7% to 15%; one or more selected from Y.sub.2O.sub.3 and La.sub.2O.sub.3 in a total amount of 0% to 10%; P.sub.2O.sub.5 in an amount of 0% to 10%; B.sub.2O.sub.3 in an amount of 0% to 10%; and ZrO.sub.2 in an amount of 0% to 4%, and satisfying the following expression: [Al.sub.2O.sub.3]—[R.sub.2O]—[RO]—[P.sub.2O.sub.5]>0, provided that, in terms of mole percentage based on oxides, a content of Al.sub.2O.sub.3 is defined as [Al.sub.2O.sub.3], a content of P.sub.2O.sub.5 is defined as [P.sub.2O.sub.5], a total content of alkali metal oxides is defined as [R.sub.2O], and a total content of alkali earth metal oxides is defined as [RO].

A glass of the present invention includes as a glass composition, in terms of mass %, 50% to 75% of SiO.sub.2, 1% to 30% of Al.sub.2O.sub.3, 0% to 25% of B.sub.2O.sub.3, 0% to 10% of Li.sub.2O, 0.01% to 20% of Na.sub.2O, 0% to 10% of K.sub.2O, 0.0001% to 0.1% of Fe.sub.2O.sub.3, 0.00001% to 0.01% of Cr, 0.00001% to 0.01% of Ni, and 0.0001% to 0.5% of TiO.sub.2.

A glass composition, glass article prepared from the glass composition, and display device are provided. The glass article includes, as a glass composition, about 45 to about 65 mol % of SiO.sub.2, about 15 to about 25 mol % of Al.sub.2O.sub.3, about 15 to about 25 mol % of Na.sub.2O, and 0 to about 10 mol % of B.sub.2O.sub.3 based on a total weight of the glass composition, where the glass composition has a thermal expansion coefficient of about 70*10.sup.−7 K.sup.−1 to about 85*10.sup.−7 K.sup.−1.

A glass composition, glass article prepared from the glass composition, and display device are provided. The glass article includes, as a glass composition, about 45 to about 65 mol % of SiO.sub.2, about 15 to about 25 mol % of Al.sub.2O.sub.3, about 15 to about 25 mol % of Na.sub.2O, and 0 to about 10 mol % of B.sub.2O.sub.3 based on a total weight of the glass composition, where the glass composition has a thermal expansion coefficient of about 70*10.sup.−7 K.sup.−1 to about 85*10.sup.−7 K.sup.−1.

A pore-free ceramic is provided that has a high modulus of elasticity and a low coefficient of thermal expansion. A process for producing a corresponding ceramic is also provided. The pore free ceramic is a dimensionally stable substrate material in applications subjected to temperature gradients including semiconductor manufacture.