A method for selectively metallizing a surface of a ceramic substrate, a ceramic product and use of the ceramic product are provided. The method comprises steps of: A) molding and sintering a ceramic composition to obtain the ceramic substrate, in which the ceramic composition comprises a ceramic powder and a functional powder dispersed in the ceramic powder; the ceramic powder is at least one selected from a group consisting of an oxide of E, a nitride of E, a oxynitride of E, and a carbide of E; E at least one selected from a group consisting of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, B, Al, Ga, Si, Ge, P, As, Sc, Y, Zr, Hf, is and lanthanide elements; the functional powder is at least one selected from a group consisting of an oxide of M, a nitride of M, a oxynitride of M, a carbide of M, and a simple substance of M; and M is at least one selected from a group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Ta, W, Re, Os, Ir, Pt, Au, In, Sn, Sb, Pb, Bi, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; B) radiating a predetermined region of the surface of the ceramic substrate using an energy beam to form a chemical plating active center on the predetermined region of the surface of the ceramic substrate; and C) performing chemical plating on the ceramic substrate formed with the chemical plating active center to form a metal layer on the predetermined region of the surface of the ceramic substrate.

A method for selectively metallizing a surface of a ceramic substrate, a ceramic product and use of the ceramic product are provided. The method comprises steps of: A) molding and sintering a ceramic composition to obtain the ceramic substrate, in which the ceramic composition comprises a ceramic powder and a functional powder dispersed in the ceramic powder; the ceramic powder is at least one selected from a group consisting of an oxide of E, a nitride of E, a oxynitride of E, and a carbide of E; E at least one selected from a group consisting of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, B, Al, Ga, Si, Ge, P, As, Sc, Y, Zr, Hf, is and lanthanide elements; the functional powder is at least one selected from a group consisting of an oxide of M, a nitride of M, a oxynitride of M, a carbide of M, and a simple substance of M; and M is at least one selected from a group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Ta, W, Re, Os, Ir, Pt, Au, In, Sn, Sb, Pb, Bi, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; B) radiating a predetermined region of the surface of the ceramic substrate using an energy beam to form a chemical plating active center on the predetermined region of the surface of the ceramic substrate; and C) performing chemical plating on the ceramic substrate formed with the chemical plating active center to form a metal layer on the predetermined region of the surface of the ceramic substrate.

An extrusion system (100) includes at least one sensor (102, 104) to detect localized presence of oil (701) on an exterior surface (715) or skin of wet extrudate material (714 e.g., ceramic material having a honeycomb cross-sectional shape), and at least one infrared emitting device (106, 108) configured to impinge infrared emissions on at least a portion of the exterior surface responsive to one or more sensor signals. Localized impingement of infrared emissions may reduce presence of oil streaks (701) without undue differential drying of the extrudate skin (715), and avoid surface fissures that would otherwise result in fired ceramic bodies. Separately controllable infrared emitters (502), or at least one controllable infrared blocking or redirecting element (603), may be used to impinge infrared emissions on selected areas. A humidification section (120) arranged downstream of infrared emitters (106, 108) may be used to at least partially rehydrate the wet extrudate material, if necessary.

A method and system for treating calcium-based stone having a surface to be treated for corrosion and stain resistance is provided. The system comprises a sanding unit to sand the surface of the calcium-based stone with a grit size of 40 to 100 to promote coating adhesion. The system further comprises a coating unit to coat the surface of the calcium-based stone with a predetermined amount of a coating material for corrosion and stain resistance defining an uncured coating on the surface. The system further comprises a curing unit to cure the uncured coating on the surface with a photo-initiator defining a cured coating on the surface. The system further comprises a polishing unit to polish the cured coating on the surface with a grit size of 1000 to 3000. The system further comprises a buffing unit to buff the cured coating on the surface with a fabric defining a treated surface of the calcium-based stone.

A method and system for treating calcium-based stone having a surface to be treated for corrosion and stain resistance is provided. The system comprises a sanding unit to sand the surface of the calcium-based stone with a grit size of 40 to 100 to promote coating adhesion. The system further comprises a coating unit to coat the surface of the calcium-based stone with a predetermined amount of a coating material for corrosion and stain resistance defining an uncured coating on the surface. The system further comprises a curing unit to cure the uncured coating on the surface with a photo-initiator defining a cured coating on the surface. The system further comprises a polishing unit to polish the cured coating on the surface with a grit size of 1000 to 3000. The system further comprises a buffing unit to buff the cured coating on the surface with a fabric defining a treated surface of the calcium-based stone.

A process for the preparation of a sterilized ceramic body including or essentially consisting of stabilized zirconia of a defined colour, including the steps of: providing a ceramic primary body including or essentially consisting of stabilized zirconia of a first colour A, and sterilizing the primary body using radiation sterilization whereby the primary body undergoes a colour change to a colour B. The process includes the further step of irradiating the sterilized primary body with electromagnetic radiation of at least one wavelength lying in the wavelength band ranging from 150 nm to 700 nm to induce an at least partial reversal of the colour change to obtain a colour C of the sterilized ceramic body, the colour C complying with the following requirements in the CIELAB colour space: L* being from 54 to 95, a* being from 15 to 15 and b* being from 15 to 15.

According to one or more embodiments of the present invention, a mirrored apparatus includes a substrate with a non-metal inorganic material that is non-diamond turnable. The mirrored apparatus further includes a finish layer arranged on the surface of the substrate. The finish layer has a polished surface opposite the substrate. The mirrored apparatus also includes a reflective layer arranged on the polished surface of the finish layer.

According to one or more embodiments of the present invention, a mirrored apparatus includes a substrate with a non-metal inorganic material that is non-diamond turnable. The mirrored apparatus further includes a finish layer arranged on the surface of the substrate. The finish layer has a polished surface opposite the substrate. The mirrored apparatus also includes a reflective layer arranged on the polished surface of the finish layer.

According to one aspect, a primer composition can include a first component including a first monomer, a second component, and a photoinitiator. The first component can be polymerized in the presence of free radicals. The second component can include a radiation curable oligomer or a bead polymer. The composition can cure in natural daylight.

The present invention relates to coloured fiber cement products as well as to methods for manufacturing such products. In particular, the present invention provides coloured fiber cement products, which fiber cement products are coloured in the mass, and at least comprise on at least part of their outer surface one or more cured layers of a coating composition, which composition at least comprises a binder and a pigment and/or a filler and is characterized by a pigment volume concentration (PVC) of between about 1% and about 20%. The present invention further provides processes for producing these coloured fiber cement products. Finally, the present invention provides uses of the coloured fiber cement products as building materials. In particular embodiments, the fiber cement products produced by the processes of the present invention can be used to provide an outer surface to walls, both internal as well as external, a building or construction, e.g. as fagade plate, siding, etc.