Abstract: A method for producing a cast metal piece and a cast metal piece are provided. An information element includes at least one piece of information. The information element is produced from a magnetizable material and the information is deposited n the magnetizable material and is cast into the information element during casting of the price, the casting temperature being above the Curie temperature of the magnetizable material of the information element.

Abstract: In a method for producing a particle (10) containing functional layer (310, 400, 600), nanoparticles are introduced into the functional layer material (320, 410, 610), the nanoparticles having a particle core (20) and a particle shell (30) surrounding the particle core. The material (K) of the particle core has a higher chemical activity than that of the particle shell and the material (M) of the particle shell allows diffusion of the material of the particle core through the particle shell into the functional layer material.

Abstract: The invention relates inter alia to a method for removing a protective coating from a component, especially a turbine blade. According to the invention, the protective coating is removed, using mechanical shock waves having a shock wave repetition rate below 20 kHz.

Abstract: The cold spraying process according to the invention uses cold gas streams whose properties (temperature (T), particle density (?), pressure (p), particle velocity (v)) are variably changed such that they can be adapted to the desired properties of the coatings.

Abstract: A powder can be produced by immersing microparticles (2) in a first solution (4) which contains coupling molecules (5), and then in a second solution (10) which contains the nanoparticles (12), thereby producing microparticles (2) with nanoparticles (12) attached thereto. The particles form powder particles (14) which allow nanoparticles (12) that are smaller than approximately 5 [mu] to be applied to a component by cold gas spraying.

Abstract: A method of repairing a component, in particular a gas turbine component, which is produced from a base material with an oriented microstructure, comprises the steps of: cleaning the repair site, filling the repair site with a filling material corresponding to the composition of the base material, carrying out a heat treatment in the region of the filled repair site, wherein the filling material has micro- and/or nano-scale particles, during the filling of the repair site measures which prevent the oxidation of the filling material are taken, an the temperatures and holding times of the heat treatment are set appropriately for the composition of the filling material and of the base material of the component in such a way that an epitaxial attachment of the filling material to the surrounding bas material takes place.

Abstract: There is described a substrate with a coating; the coating contains a coating matrix in whose matrix structure multilayered and/or encapsulated nanoparticles are arranged and release a dye when a limit temperature is exceeded the first time and/or trigger a color reaction which causes the color of the coating to change irreversibly.

Abstract: There is described a method wherein through holes of a wall are treated on a inside, and wherein one respective pole electrode is assigned to each through hole that is to be processed.

Abstract: Prior art protective layers can exercise their protecting function because they are depleted in a specific element which forms a protective oxide, or which is used as sacrificial material. When said material has been consumed, the protecting function can no longer be provided. The invention is characterized in that it consists in using powder particles comprising a reserve of the consumed material, which is delivered in delayed manner. Therefor, the material is enclosed in an envelope.

Abstract: The invention relates to a method of, and a nozzle arrangement for, spraying cold gas. The nozzle arrangement has a first nozzle and a second nozzle, which is arranged within the first nozzle. The first nozzle is fed a gas which optionally contains particles. The second nozzle is fed a particle-containing gas. The particles are applied to a surface of the substrate by means of the gases.

Abstract: The invention relates to a component for arrangement in the duct of a turbine engine. The component is provided with a coating, which has a surface structure with scales which overlap each other in the direction of flow of the turbine engine. The invention also relates to a spraying method for generating a coating on a component.

Abstract: The invention relates to a method for producing a layer (110) having nanoparticles (40), on a substrate (100). The invention is based on the object of specifying a method for producing a layer containing nanoparticles, which method can be carried out particularly easily and nevertheless offers a very wide degree of freedom for the configuration and the composition of the layer to be produced. According to the invention, this object is achieved in that nanoparticles (40) are released and a nanoparticle stream (50) is produced in a first process chamber (10), the nanoparticle stream (50) is passed into a second process chamber (80), and the nanoparticles (40) are deposited on the substrate (100) in the second process chamber (80).

Abstract: The invention relates to a method for the protection of openings in a component, produced from an electrically-conducting material, in particular, from metal or a metal alloy, during a machining process against the ingress of material, whereby the openings are sealed with a filler material before the machining process, which is removed again after the machining process. The machining processes particularly concern coating processes and welding processes. Said method is characterized in that an electrically-conducting filler material is applied, the electrical conductivity of which matches the electrical conductivity of the base material.

Abstract: A method is disclosed for producing a chemoactive useful layer and sensor is disclosed, including a chemoactive useful layer. In at least one embodiment, a method is disclosed for producing a chemoactive useful layer. In at least one embodiment, nanoparticles having a catalytic action are introduced into the useful layer.

Abstract: Electrolytic methods are used to treat large external surfaces. There is described a method for internally coating through-holes of a wall, wherein an electrolyte flows through the through-hole during the treatment and deposits material on the respective inner surface. A single electrode is being used for at least two through-holes.

Abstract: The invention relates to a process for cleaning passages in workpieces, in particular cooling-air passages in turbine components, such as transition pieces or turbine blades or vanes, wherein the workpiece having the passages is immersed in a liquid bath and a liquid is suddenly forced under pressure through the passages.

Abstract: The invention relates to a material composition that is used for producing a coating for a component, especially a turbine component, which is made of a metallic basic material, i.e. a metal or a metal alloy. Said material composition comprises a matrix material for forming a basic coating matrix and at least one filler for adjusting desired coating proportions or coating characteristics. The matrix material can be provided especially with basic glass ceramic properties. The inventive material composition is characterized in that the matrix material and/or the filler contains nanoparticles.

Abstract: The cold spraying process according to the invention uses cold gas streams whose properties (temperature (T), particle density (p), pressure (p), particle velocity (v)) are variably changed such that they can be adapted to the desired properties of the coatings.

Abstract: In the process according to the invention for protecting openings in a component made from an electrically conductive base material, in particular from metal or from a metal alloy, during a treatment process, preventing penetration of material, prior to the treatment process the openings are closed up using a filling material which is removed again following the treatment process. The process according to the invention is distinguished by the fact that chains of Si—O—Si and/or Si—O—C are used as filling material.

Abstract: In prior art, through holes often have to be after-treated manually. Disclosed is a method allowing through holes to be after-treated in a chemical or electrochemical manner with the aid of a material-removing agent, the outer surface located around a discharge port of the through hole being protected accordingly from being attacked by the agent that is to be removed.