Disclosed herein are tiles, systems, and methods related to manufacturing bullnose or other non-straight edge tiles. In a method of manufacturing a bullnose tile, the method comprises the steps of providing a tile, wherein said tile is a fired ceramic tile comprising a base and a decoration; cutting or milling the tile to form a bullnose edge; transporting the tile to at least a first printing station; printing at least one print layer of print media on the bullnose edge; transporting the tile to a curing station and curing the print media to provide the bullnose tile.

A repair process for an article such as an airfoil includes providing an article that has a substrate and a ceramic barrier coating disposed on the substrate, where the ceramic barrier coating has a damaged region, abrading the damaged region to provide dimple in the ceramic barrier coating, wherein a remaining region of the ceramic barrier coating adjacent the dimple remains intact, and depositing a patch of networked ceramic nanofibers in the dimple.

A boron nitride plate surface treatment method according to an embodiment includes a first polishing process and a second polishing process. In the first polishing process, a surface of a boron nitride plate is polished by using a first polishing member having a grit within a range of not less than F120 and not more than F220 or within a range of not less than #240 and not more than #320. In the second polishing process, the surface of the boron nitride plate is polished by using a second polishing member having a grit within a range of not less than #360 and not more than #1000. The second polishing process is performed after the first polishing process. The boron nitride plate is suitable for a method for producing a silicon nitride substrate.

The invention relates to a concrete element comprising a core concrete layer and a face concrete layer, wherein the concrete element is obtained by compressing and curing a core concrete layer mixture in contact with a face concrete layer mixture, wherein the core concrete layer mixture contains a latent hydraulic core binder and/or a pozzolanic core binder, water, a granular core material and an alkaline core curing agent, wherein the face concrete layer mixture contains a latent hydraulic face binder and/or a pozzolanic face binder, water, a granular face material and an alkaline face curing agent, and wherein the concrete element has a compressive strength in accordance with DIN EN 12390-3, in particular DIN EN 12390-3:2019-10, measured after 28 days, of less than 120 N/mm.sup.2. The invention also relates to a method for producing the concrete element.

A three-dimensional (3D) printing and finishing device (100) and a method for forming and finishing a curable construction material to produce a 3D printed object. The 3D printing and finishing device (100) can include a structural support (102), a print head (104), and a finishing unit (116). The print head (104) can move to dispense a curable material in layers and the finishing unit (116) can align with a side of the dispensed layers and can modify a surface of the material. The finishing unit (116) can include a nozzle to dispense fluid toward the surface.

A method for manufacturing a pre-fabricated element for construction and electricity production includes providing a formwork mould; introducing a photovoltaic module into the formwork mould, and for this purpose vertically positioning the photovoltaic module against or in replacement of one of the walls of the formwork mould, the front face of the at least one photovoltaic module being arranged so as to face an area of the space located outside the mould; depositing an adhesive structural material or a mixture of adhesive structural materials on all or part of the rear face of the at least one photovoltaic module arranged so as to face an area of the space located inside the mould, the adhesive structural material including at least one polymer from the epoxide, polyurethane, acrylic, or styrene-acrylic family, and pouring fresh concrete into the formwork mould so as to cover the adhesive structural material.

A decorative concrete with a very uniform finish surface and a method of fabricating the same is disclosed. A concrete mixture is poured over a subgrade which defines an exposed surface. The exposed surface is finished with any of several techniques, and the surface is then worked with an abrasive material, and additional techniques are used to color and seal the concrete.

The present invention relates to a 3D printer for construction for printing and forming various structures wherein a roller 50 follows a nozzle 10 which discharges concrete, mortar, or the like, to bring an outer peripheral surface of the roller 50 to be in close contact with a surface of the printed object, and thus the surface of the printed object is flattened. According to the present invention, a high-degree surface flattening work can be performed on the surface of a printed object simultaneously as the printed object is printed by a 3D printer for construction, thus enabling rapid and reliable flattening of the printed object and smooth surface forming.

Method and facility or apparatus for cutting a slipform cast hollow-core concrete product with water jet cutting, wherein in the outer surface of the fresh cast hollow-core concrete product is formed depressions or grooves in the areas to be cut with water jet cutting before curing of the hollow-core concrete product, which depressions or grooves extend in the area of the hollow-cores of the concrete product.

Disclosed herein are tiles, systems, and methods related to manufacturing bullnose or other non-straight edge tiles. The tiles can comprise a non-straight edge with one or more printed layers. The printed layers can comprise radiation curable inks or other fast-drying coatings. Upon exposure to a curing station, the layers cure quickly. This provides a printed and cured surface that very closely matches the rest of the tile. The tiles, systems, and methods disclosed herein can be of higher quality and can involve more efficient manufacturing than existing tiles, systems, and methods.