Abstract: The invention relates to a generative production method for producing a component by selectively melting and/or sintering a powder several times consecutively by introducing an amount of heat by means of beam energy, such that the powder particles melt and/or sinter in layers, wherein the powder particles (1) are made of a first material (2) and the powder particles are surrounded by a second material (3) partially or over the entire surface thereof, wherein the second material has a lower melting point than the first material and/or lowers the melting point of the first material when mixed with the first material. The invention further relates to a corresponding powder and to a prototype produced from said powder.

Abstract: Disclosed is a method for monitoring a generative production process in real time, wherein a component is at least optically detected and the installation space is thermally detected when applying a layer, as well as a device for carrying out said method.

Abstract: A method for coating a component, in particular a component of a gas turbine or of an aircraft engine, is disclosed. The coating is applied to the component by kinetic cold gas spraying, where prior to the deposition of the coating, the surface of the component to be coated is cleaned and compacted by shot peening with a blasting media. A component produced in this manner is also disclosed.

Abstract: A method for coating a plastic surface and a plastic component is disclosed. The method includes applying a base layer to a plastic surface. A layer of a coating is applied by kinetic cold gas spraying on the base layer. The base layer is applied by a method that is different from the kinetic cold gas spraying. The base layer adheres to the plastic surface and the layer of the coating applied by kinetic cold gas spraying is deposited on the base layer by the kinetic cold gas spraying.

Abstract: A method for processing a surface of a component, in particular in the aviation sector, including the following steps: spraying the component with a first powder and coating the component with a second powder, the first powder having the same chemical composition as the second powder.

Abstract: In a method for producing an inlet coating (21) on a surface of a turbomachine (10), an electric arc (37) is produced between a first electrode (31) having a first material and a second electrode (32) having a second material. A gas stream (42) is produced through the electric arc (37) onto the surface, which entrains the first material and the second material from the electric arc (37) and deposits them on the surface to form the inlet coating (21) or a precursor layer (22) of the inlet coating (21).

Abstract: A method for spraying a coating and a cold gas spray nozzle is disclosed. The method includes spraying a coating by the cold gas spray nozzle. A rinsing gas is fed to the cold gas spray nozzle during an interruption of the spraying or at an end of the spraying. Deposits in the cold gas spray nozzle are cooled and detached by the rinsing gas.

Abstract: The invention relates to a method for producing a rotor or stator blade (1a) of a gas turbine, in particular an aircraft gas turbine (2), comprising forming a airfoil (8a) made of at least one first material and attaching a blade root (4a) made of at least one second material to the airfoil (8a) by means of a thermal spraying method. The invention further relates to a rotor or stator blade (1a) produced according to such a method.

Abstract: The present invention relates to a method for producing a component, in particular a blade for a gas turbine, wherein a main body (2) is provided, to which a running-in layer (6) is applied, which can be worn away at least partially during operation to form an accurately fitting surface (11), wherein the running-in layer is applied by kinetic cold-gas compacting, and a component, in particular a blade for a gas turbine, comprising a main body, to which a running-in layer is applied, which can be worn away at least partially during operation to form an accurately fitting surface, wherein the running-in layer is a porous layer made of a Ti alloy.

Abstract: The present invention concerns a device for measuring of layer thicknesses, especially for measuring of layer thicknesses of a structural part (18) during or after a coating process, with at least a first and a second path length measuring device (12, 14), wherein a first path length (a) to a surface (20) of a layer (22) being applied to the structural part (18) is measured by means of the first path length measuring device (12) and a second path length (b) to an uncoated surface (24) of the structural part (18) is measured by means of the second path length measuring device (14) continuously or at predetermined moments of time.

Abstract: The invention relates to a method for producing a plating (5) of a vane tip. Said method consists of the following steps: a) a vane having a vane tip which is arranged opposite the base of the vane (2) and which comprises a surface which points radially outwards is provided, and b) a porous layer (7) is applied to at least the surface (4) of the vane tip and/or c) a bulge (8) which increases the surface of the vane tip is applied to at least one part of the flanks of the vane tip, said flanks surrounding the surface of the vane tip, and d) the plating (5) is applied to the porous layer and/or the bulge. The invention also relates to corresponding vanes or gas turbines with corresponding vanes.

Abstract: A mask and method for kinetic cold gas compacting is disclosed. The mask includes a body for covering a not-to-be-coated region of a substrate to be coated having a work side exposed to a coating substance. The work side has a hardness such that the work side is not plastic deformable by a striking coating particle.

Abstract: An apparatus and a method for masking a component zone which is to be omitted by the spray jet during the thermal spraying of a component is disclosed. The apparatus can be elastically deformed at least partially at room temperature for attachment to the component. During the thermal spraying operation the apparatus has at least one inelastic region such that the impinging spray particles adhere to the surface thereof. After the thermal spraying operation, the apparatus can be removed from the covered component zone without leaving any residue. In this way, a simple, reusable solution is created, which avoids the disadvantages of the prior art.

Abstract: A covering device for the coating of components via cold kinetic compaction or kinetic cold gas spraying, which can be used to cover a region which is not to be coated of a surface of the component which is to be coated. The covering device is profiled such that it encloses an acute angle with that region of the surface which is not to be coated. The particles of a coating material can be deflected from the component such that the particles do not adhere to the covering device.

Abstract: The present invention relates to a method for producing a coating on a gas turbine component, in which particles at least of parts of a material to be applied as coating are accelerated by means of kinetic gas dynamic cold spraying in a spray jet onto the surface (2) of the component (1) to be coated, wherein a reactive gas is fed into the spray jet (6), so that the reactive gas reacts at least partially with the particles of the coating material when the particles impinge on the surface (2) to be coated and/or wherein the deposited layer (9) is heated locally and/or over a large area and impacted with a reactive gas, as well as a gas turbine component produced in this way.

Abstract: A method for determining the polyester fraction in a multi-component powder during a thermal spraying process is disclosed. The multi-component powder is heated and fed to an object with the aid of a carrier, forming a coating on the object. At least one measured value for the intensity of the light emitted by the combination of the carrier and multi-component powder material on the way to the object is detected at least in the range of a characteristic wavelength of polyester. A characteristic value is derived from the combination of the measured values, and the fraction of the polyester to be determined is calculated on the basis of a previously determined relationship between the characteristic value and the polyester fraction.

Abstract: The present invention concerns a device for measuring of layer thicknesses, especially for measuring of layer thicknesses of a structural part (18) during or after a coating process, with at least a first and a second path length measuring device (12, 14), wherein a first path length (a) to a surface (20) of a layer (22) being applied to the structural part (18) is measured by means of the first path length measuring device (12) and a second path length (b) to an uncoated surface (24) of the structural part (18) is measured by means of the second path length measuring device (14) continuously or at predetermined moments of time.

Abstract: An arrangement for measuring characteristic properties of a plasma beam in a thermal spray process, including a device for introducing spray materials into the plasma, a one-dimensional or two-dimensional array including first optical waveguides for receiving the light radiation emitted by the plasma, and other optical waveguides for distributing the light radiation emitted by the plasma. A device is provided for splitting the light guided in the first optical waveguides into the other optical wave guides, one optical waveguide being connected to the opening diaphragm of a particle flow arrangement, and the other optical waveguide being connected to the opening diaphragm of a spectrometer. A device is also provided for determining the current state of the spray process.

Abstract: A method for producing a spray coating, in particular an abradable spray coating for components of a turbine engine by a thermal spraying process, is disclosed. An online process monitoring system, especially a PFI unit and/or a spectrometer unit, is provided for monitoring and regulating the thermal spraying process, where at least one process parameter is calculated according to the formula pB1=PB2+HB1?HB2?(?x·y)/z+n, where pB1 is the process parameter of the component that is to be coated, pB2 is the process parameter of a previous coating, HB1 is the hardness of the spray coating that is to be coated, HB2 is the hardness of the previous spray coating, ?x is a process variable of the online process monitoring system, and y, z and n are constant parameters.

Abstract: The present technology relates to a method for coating a workpiece, in which a material is applied to the workpiece via a thermal spraying process that is monitored and evaluated to establish on-line process control. According to certain embodiments of the presently described method, infrared emissions of a spray jet are detected with the aid of at least one infrared camera, and properties of the spray jet are determined by analyzing the infrared emissions of the spray jet, which are detected by the at least one infrared camera.