Abstract: The invention relates to a sliding element having a coating, which comprises at least one functional layer, said functional layer having a mixed oxide-matrix and in the mixed-oxide matrix and solid lubricant particles and/or hard particles are embedded in the mixed oxide-matrix.

Abstract: The assembly (1) for coating workpieces (32) comprises a treatment chamber (1) with a manipulator (24) arranged therein. The manipulator (24) carries a coating device (25) for coating the workpieces (32). The treatment chamber (1) configured as a tank (1) is topped by an exhaust port (3) for exhausting hot gases and/or coating particles. In the interior of the treatment chamber (1) an exhaust hood (33) for channelizing the gases to be exhausted in the direction of the exhaust port (3) is arranged. The exhaust hood (33) together with the pallet (29) are arranged on a shiftable platform (16). The platform (16) together with the exhaust hood (33) and the pallet (29) can be retracted in and extended from the treatment chamber (1). The exhaust hood (33) is arranged on the platform (16) such that when the platform (16) is positioned retracted the exhaust hood is connected to the exhaust port (3).

Abstract: To form high performance bonding connections suitable for producing micro-structured components made of a plurality of individual layers, bonding by the steps; providing at least two work pieces; forming a metal bonding layer on at least one side of at least one of said at least two work pieces by chemical or electrolytic metal plating method; the metal bonding layer being a nickel/phosphorous alloy having a prescribed phosphorous content and prescribed thickness; forming a bonding arrangement comprising said work pieces so that there is at least one metal bonding layer between said at least two respective work pieces; heating at a prescribed heating rate to a temperature above the melting temperature of the bonding layer; bonding the two work pieces by applying contact pressure within a prescribed range; and cooling at a prescribed rate.

Abstract: For providing a particularly efficient micro-structured cooler intended more specifically for cooling electronic components, it is proposed to proceed in the following manner to build this cooler: providing a stack of at least two metal foils (1) comprising channels (2) for coolant and one base plate (5) adapted to be brought into thermal contact with the electronic component (4) through a thermal contact surface (6), said metal foils (1) and said base plate (5) being joined together so as to form a single piece of material, said channels (2) having a width b ranging from 100 to 350 ?m, a depth t ranging from 30 to 150 ?m, a mean spacing s ranging from 30 to 300 ?m, residual foil thickness r remaining after formation of the channels (2) in the metal foils (1) ranging from 30 to 300 ?m and said base plate (5) having a thickness g ranging from 100 to 1,000 ?m.

Abstract: For manufacturing micro-structured reactors with passageways loaded with catalyst using the pre-coat method, a method is provided which comprises the following method steps: a) producing reactor layers having bonding areas as well as passageway areas in which the passageways are formed, b) applying at least one bonding layer onto the reactor layers in the bonding areas, c) loading the reactor layers in the passageway areas with the catalyst and d) bonding the reactor layers, the bonding layer being applied and masked before the reactor layers are loaded with the catalyst. As a result, it is ensured that the efficiency of the catalyst will not be affected during manufacturing. The reactor may be used as a methane and methanol reformer in particular.

Abstract: For manufacturing micro-structured reactors with passageways loaded with catalyst using the pre-coat method, a method is provided which comprises the following method steps: a) producing reactor layers having bonding areas as well as passageway areas in which the passageways are formed, b) applying at least one bonding layer onto the reactor layers in the bonding areas, c) loading the reactor layers in the passageway areas with the catalyst and d) bonding the reactor layers, the bonding layer being applied and masked before the reactor layers are loaded with the catalyst. As a result, it is ensured that the efficiency of the catalyst will not be affected during manufacturing. The reactor may be used as a methane and methanol reformer in particular.

Abstract: To form high performance bonding connections suitable for producing micro-structured components made of a plurality of individual layers, bonding by the steps; providing at least two work pieces; forming a metal bonding layer on at least one side of at least one of said at least two work pieces by chemical or electrolytic metal plating method; the metal bonding layer being a nickel/phosphorous alloy having a prescribed phosphorous content and prescribed thickness; forming a bonding arrangement comprising said work pieces so that there is at least one metal bonding layer between said at least two respective work pieces; heating at a prescribed heating rate to a temperature above the melting temperature of the bonding layer; bonding the two work pieces by applying contact pressure within a prescribed range; and cooling at a prescribed rate.

Abstract: For forming very strong bond joints suited for manufacturing micro-structured components consisting of plurality of individual layers, a bonding method is proposed by which a bonding arrangement of the work pieces is formed that comprises at least one metallic bonding layer interposed therein between and by which the bonding arrangement is heated to a bonding temperature below the melting temperature of the at least one bonding layer. In accordance with the invention, the at least one bonding layer is deposited using a chemical or electrolytic method.

Abstract: For providing a particularly efficient micro-structured cooler intended more specifically for cooling electronic components, it is proposed to proceed in the following manner to build this cooler: providing a stack of at least two metal foils (1) comprising channels (2) for coolant and one base plate (5) adapted to be brought into thermal contact with the electronic component (4) through a thermal contact surface (6), said metal foils (1) and said base plate (5) being joined together so as to form a single piece of material, said channels (2) having a width b ranging from 100 to 350 ?m, a depth t ranging from 30 to 150 ?m, a mean spacing s ranging from 30 to 300 ?m, residual foil thickness r remaining after formation of the channels (2) in the metal foils (1) ranging from 30 to 300 ?m and said base plate (5) having a thickness g ranging from 100 to 1,000 ?m, said cooler further having at least one splitting chamber (10) traversing the metal foils (1) approximately in the region of the thermal contact surface

Abstract: A method for joining microstructured component layers and a method for manufacturing microstructure component layers and the microstructure component layer is provided. At least one multifunctional barrier coating is applied to the joining surfaces of a base material layer for the microstructured component layers. The layers are made of aluminum/aluminum alloys and/or copper/copper alloys, and/or noble steels. At least one solder/brazing coating is applied to each barrier coating. The coated base material layers comprising the component layers are stacked. The stacked component layers are joined by solder/brazing using heat. The melting temperature of the solder/brazing coating is higher after the heat joining than before same.

Abstract: The invention relates to a microstructure cooler 3 for an article 4 to be cooled, whereby the cooler 3 includes a stack of at least two metal films 1 and one base plate 5 that can be brought via a thermal contact surface 6 into thermal contact with the article 4, the metal films 1 and the base plate 5 are joined to one another in a material fit, present in the metal films 1 are channels 2 for cooling medium, and the channels 2 have a width in the range of 100 to 2,000 ?m, a depth in the range of 25 to 1,000 ?m, and a mean interval in the range of 50 to 1,000, residual film thicknesses resulting from the channels 2 in the metal films 1 are in the range of 50 to 300 ?m, and the base plate 5 has a thickness in the range of 200 to 2,000 ?m.

Abstract: In accordance with the invention, an apparatus is provided for the surface working of a workpiece (2) by blasting with an abrasive blasting material (3), including a storage container (4) for the blasting material (3), a metering device (5) and a device for blasting (6). The device for blasting (6) has a blasting material feed (7) with an inlet (8) and an outlet (9) for the blasting material (3), the blasting material (3) being able to be fed to a jet region (10) through the blasting material feed (7) and the outlet (9). The device for blasting (6) furthermore includes a pressure supply (11) for the deflection of a blasting material flow (12) emerging from the outlet (9) by means of a pressure medium (13), with control means (14) for the introduction of the blasting material flow (12) being provided at the inlet of the blasting material feed (7).

Abstract: Known manufacturing methods for microstructure components, in particular for microreactors, micro-heat exchangers, and micromixers, are not reliable enough to ensure that the component's pressure and corrosion resistance is high enough, that the component's tightness against fluid exiting from the component or fluid spilling over into adjacent microchannels is high enough, and that the microchannels have a sufficiently low flow resistance. In addition, known manufacturing methods are not cost-effective enough that the microstructured components can be employed in a wide variety of applications.

Abstract: An apparatus is proposed for the thermal coating of a surface of a workpiece (20) comprising a torch (2) for the production of a coating jet (P), wherein the torch (2) is arranged in a processing station (14) such that the coating jet (P) extends substantially perpendicular to the vertical direction, and comprising adjustment means (40; 45; 60; 70) which align the workpiece (20) such that the surface to be coated is perpendicular to the coating jet (P) during the coating process.

Abstract: A protective masking device adapted to rest on the upper surface of an engine block having cylinder bores during a thermal coating operation of the cylinder bores comprises a protective masking member having an essentially hollow cylindrical shape with an inner diameter selected in relation to the diameter of the cylinder bore to be thermally coated. The protective masking device comprises either an essentially tube shaped outer sleeve member and an insert member inserted into the outer sleeve member, or it is designed such that at least a portion of a layer or of several layers of coating material applied to the inner side of the masking device during the coating operation of the related cylinder bore is mechanically removable. Using the proposed masking device, the coating operation can be started outside the cylinder bore, without the danger that portion of the engine block or the environment is contaminated by coating particles.