Disclosed are composite building boards and associated manufacturing methods. The composite boards may include, for example, one or more slurry layers with embedded fibrous mats. An exterior plastic coating is mechanically adhered to the underlying slurry layer. The plastic layer chemically bonds and cross-links with polymer additives within the slurry layer. The result is an integrated polymer matrix with greatly improved durability and surface strength.

Disclosed herein is an artificial marble chip having a color gradient from a surface thereof to inside.

A method for producing an implant blank (100), in particular a dental implant blank from a starting body, said implant blank (100) comprising at least one first area, which is a surface area (102), and a second area, which is a core area (101), wherein the surface area (102) has at least one bioactive surface material (502) and extends from at least one first surface (103) in the direction of the core area (101), and the core area (101) has at least one carrier material that can be subjected to mechanical load. The starting body has a porosity for controlling a targeted distribution of the bioactive surface material (502) within the starting body and is loaded with a solution (500) of the bioactive surface material (502) in a first step, which is a loading step. In a second step, which is a distribution control step, the distribution of the bioactive surface material (502) within the starting body is controlled such that the solution (500) has a higher concentration within the surface area (102) than within the core area (101), the control being effected by regulating one or more environmental parameters in a closed environment (200), in particular by regulating the humidity and/or the pressure and/or the temperature.

A process for producing a ceramic body (100), in particular a dental ceramic blank, having selectively adjustable degrees of expression of one or more different physical properties, wherein the ceramic body (100) has a porosity to enable the control of a selective distribution of one or more chemical substances (101, 102) that are suitable for influencing the physical properties of the ceramic body (100), and in a first step, which is a loading step, the ceramic body is loaded with one or more solutions (104) of the one or more chemical substances (101, 102). In a second step, which is a distribution step, the distribution of the one or more chemical substances (101, 102) within the porous ceramic body (100) is controlled, wherein a progression and/or a spatial progression of the degree of expression of the one or more physical properties can be produced. The control is effected by adjusting one or more ambient parameters (106) in an environment (108), in particular by adjusting the air humidity and/or the pressure and/or the temperature.

Methods for making a gypsum board provided with a latex polymer coating layer having a sufficiently low glass transition temperature, a less dense gypsum core layer, and a relatively denser layer of gypsum between the less dense gypsum core layer and the latex polymer coating layer and a gypsum board made by the method.

A part made from a composite material having a ceramic matrix and including a protection device, the protection including a coating layer having a gradual composition. The gradual-composition coating layer includes at least one silicon phase and one aluminium phase, the proportions of which change according to the height in the layer, with a first height in the gradual-composition coating layer corresponding to a silicon-free composition, and a second height corresponding to an aluminium-free composition. A method for producing such a protection, and to a device for carrying out the method, are disclosed.

In a method for repairing a coated article, the article has: a ceramic matrix composite (CMC) substrate; and a coating system having a plurality of layers. A damage site at least partially penetrates at least one of the layers. The method includes: applying a slurry of a repair material to the damage site for repairing a first of the penetrated layers; and after the applying, heating the repair material with a plasma torch.

A method for protecting a carbon-carbon composite material part from oxidation, the method including applying an impregnation composition comprising at least one metal phosphate to at least one portion of the outer surface of the part; depositing, by a dry deposition process, a solid composition of an oxidation-resistant glass on at least one portion of the outer surface of the part, once the impregnation composition has been applied; and conducting an impregnation heat treatment in order to soften or melt the solid composition deposited by a dry deposition process, to allow the internal porosity of the part to be impregnated with the thus-softened or thus-melted composition, and to form an oxidation-resistant glass in the internal porosity of the part.

Disclosed are composite building boards and associated manufacturing methods. The composite boards may include, for example, one or more slurry layers with embedded fibrous mats. An exterior plastic coating is mechanically adhered to the underlying slurry layer. The plastic layer chemically bonds and cross-links with polymer additives within the slurry layer. The result is an integrated polymer matrix with greatly improved durability and surface strength.

Methods for making a gypsum board provided with a latex polymer coating layer having a sufficiently low glass transition temperature, a less dense gypsum core layer, and a relatively denser layer of gypsum between the less dense gypsum core layer and the latex polymer coating layer and a gypsum board made by the method.