摘要:
A glass-ceramic article includes at least one substrate, such as a plate, made of glass-ceramic, the substrate having a face including a microtexturing such that the arithmetic mean surface roughness Ra, measured according to standard ISO 4287, is between 0.14 and 0.40 μm, and the total roughness, Rt, measured according to standard ISO 4287, is between 1.15 and 5.00 μm.
摘要:
A transparent, colorless and non-scattering glass-ceramic plate of lithium aluminosilicate type and containing crystals of β-quartz structure, the chemical composition of which does not contain oxides of arsenic, of antimony and of neodymium, and includes the following constituents within the limits defined below, expressed as weight percentages: SiO2 55-75%; Al2O3 12-25%; Li2O 2-5%; Na2O+K2O 0- 1%; ZnO 0-5%; TiO2 ≦1.9%; ZrO2 ≦3%;TiO2+ZrO2 >3.80%; SnO2 ≧0.1%; SnO2/(SnO2+ZrO2+TiO2)
摘要:
A glass-ceramic of the lithium aluminosilicate type includes a solid solution of β-spodumene and exhibits, for a thickness of 4 mm; a light transmittance within a range extending from 0.3 to 2%, an optical transmittance for a wavelength of 625 nm of greater than 3.0%, an optical transmittance for a wavelength of 950 nm within a range extending from 50 to 75%, an optical transmittance for a wavelength of 1600 nm of at least 50%, and L*, a*, b* colorimetric coordinates in diffuse reflection for an illuminant D65 and a reference observer at 2° such that 15.0≦L*≦40.0, −3.0≦a*≦3.0 and −10.0≦b*≦3.0. The chemical composition of the glass-ceramic includes the following constituents, varying within the limits by weight defined: SnO2 0.2-0.6%, V2O5 0.015-0.070%, Cr2O30.01-0.04% or Bi2O3 0.05-3.0%, Fe2O3 0.05-
摘要翻译:铝硅酸锂型玻璃陶瓷包括一种“泡”的固溶体,厚度为4毫米; 在0.3〜2%的范围内的透光率,625nm以上的光透射率大于3.0%,在50〜75%的范围内的波长为950nm的透光率,透光率 对于1600nm波长至少为50%的L *,a *,b *比色坐标在发光体D65和基准观测器处为2°,使得15.0&nlE; L *&nlE; 40.0,-3.0 &nlE; a *&nlE; 3.0和-10.0&nlE; b *&nlE; 3.0。 玻璃陶瓷的化学组成包括以下成分,其变化范围为:SnO2 0.2-0.6%,V2O5 0.015-0.070%,Cr2O30.01-0.04%或Bi2O3 0.05-3.0%,Fe2O3 0.05- 0.15%,AS2O3 + Sb2O3 <0.1%。
摘要:
The present invention relates to a glass-ceramic article at least partly coated with at least one layer of an enamel formed from a glass frit having the following composition, the proportions being expressed as weight percentages: SiO250-66% and preferably 50 0-15% and preferably 5-15% Al2O33-20% and preferably 3 0-5% B2O3>0-6% and preferably 0
摘要:
A method of manufacturing a lithium aluminosilicate glass product suitable for making a glass-ceramic product, includes melting a vitrifiable mixture of raw materials, which are free from arsenic oxides and antimony oxides, apart from unavoidable traces, refining the molten material, cooling the molten material so as to form a glass, forming of the glass, wherein the vitrifiable mixture of raw materials includes petalite having a fraction by weight of total iron, expressed as Fe2O3, less than or equal to 200 ppm.
摘要:
A subject matter of the invention is a partially crystalline glass plate, the linear thermal expansion coefficient of which is within a range extending from 20 to 40×10−7/K and the chemical composition of which comprises the following constituents, varying within the limits by weight defined below: SiO2 55-70% Al2O3 12-25% Li2O 1-2% K2O 0-
摘要:
A mineral ink for inkjet printing on a mineral substrate, includes a glass frit, an organic solvent, a dispersant, a surfactant and a glass fit including the following constituents in the weight limits defined below expressed as percentages by weight of the glass frit: 35 to 50% of SiO2, 15 to 25% of Al2O3, 1.5 to 4% of Li2O, 22 to 32% of B2O3, 0 to 2% of Na2O, 2 to 5% of K2O, 1 to 5% of CaO, 1 to 4% of ZrO2.
摘要:
A glass-ceramic article is at least partly coated with at least one layer of enamel, including a glass frit. The frit includes, expressed by weight, SiO2, 45-60%; Al2O3, 12-22%; B2O3, 12-22%; Li2O, 0-5%; Na2O, 0-2%; K2O, >2%; CaO, 0-4%; MgO, 0 - 4%; ZnO, 0-4%; BaO, 0-4%; ZrO2, 0-4%; and TiO2, 0-1%. The sum of oxides CaO+MgO+BaO+SrO+ZnO is at most 10%, preferably from 2 to 8%. A process can be used to obtain the article.