Abstract: The invention relates to a method for removing an area of a layer of a component consisting of metal or a metal compound. According to prior art, corrosion products of a component are removed in a first step by applying a molten mass or by heating in a voluminous powder bed. This requires high temperatures or a large amount of space. The inventive method for removing corrosion products of a component is characterized in that a cleaning agent is applied locally, which removes the corrosion products by means of a gaseous reaction product.

Abstract: On account of their type of coating, layer systems of the prior art often exhibit poor adhesion to the substrate. If the components are subject to high mechanical stresses, the layer can then become detached. The layer system according to the invention has separately produced anchoring means which allow stronger attachment to the substrate than the attachment of the outer layer to the substrate.

Abstract: In the case of the epitaxial growth according to the prior art, a number o strips often have to be produced in a plane in order to restore an area to be repaired. This leads to overlapping and misorientation of the crystalline structures. In the case of the method according to the invention, the strip is of such a width that no overlapping occurs, since the width is adapted to the contour of the area to be repaired.

Abstract: The invention relates to a weld filler and to a use of a weld filler which significantly improves the weldability of some nickel-based superalloys and includes the following constituents (in wt %): 17.5%-20.0% chromium (Cr) 10.0%-12.0% cobalt (Co) 9.0%-10.5% molybdenum (Mo) 0.1%-3.3% titanium, in particular 3.0%-3.3% titanium (Ti), 1.4%-1.8% aluminum (Al), 0.04%-0.12% carbon, 0.003%-0.01% boron (B), remainder nickel.

Abstract: A method of repairing a crack in a component comprising a base material, in particular in a gas turbine blade, a suspension, which comprises a carrier liquid and at least one solid in the form of nanoparticles of the same material as the base material, being applied to the location to be repaired. A heat treatment of the component is carried out, the solid in the form of nanoparticles being melted and a bond with the base material being formed. During the heat treatment, the component is exposed to a thermal shock, in which a maximum temperature which corresponds to the melting temperature of the nanoparticles is reached. The nano size of the particles in the suspension causes a lowering of the melting point of these particles to take place, so that the structure of the base material does not change even at the melting temperature of the nanoparticles.

Abstract: On account of their type of coating, layer systems of the prior art often exhibit poor adhesion to the substrate. If the components are subject to high mechanical stresses, the layer can then become detached. The layer system according to the invention has separately produced anchoring means which allow stronger attachment to the substrate than the attachment of the outer layer to the substrate.

Abstract: On account of their form of coating, layer systems according to the prior art often only have a low level of attachment to the substrate. The layer may then become detached in the event of high mechanical loads being applied to the components. The layer system according to the invention has separately produced anchoring means which are more strongly attached to the substrate than the attachment of the layer to the substrate.

Abstract: The invention relates to a method for removing an area of a layer of a component consisting of metal or a metal compound. According to prior art, corrosion products of a component are removed in a first step by applying a molten mass or by heating in a voluminous powder bed. This requires high temperatures or a large amount of space. The inventive method for removing corrosion products of a component is characterized in that a cleaning agent is applied locally, which removes the corrosion products by means of a gaseous reaction product.

Abstract: The invention relates to a method for removing an area of a layer of a component consisting of metal or a metal compound. According to prior art, corrosion products of a component are removed in a first step by applying a molten mass or by heating in a voluminous powder bed. This requires high temperatures or a large amount of space. The inventive method for removing corrosion products of a component is characterized in that a cleaning agent is applied locally, which removes the corrosion products by means of a gaseous reaction product.

Abstract: Alloys known in prior art cannot be processed well enough for producing a part. According to the inventive method, the part is subjected to a thermal treatment in an intermediate step, which improves the processability thereof.

Abstract: On account of their type of coating, layer systems of the prior art often exhibit poor adhesion to the substrate. If the components are subject to high mechanical stresses, the layer can then become detached. The layer system according to the invention has separately produced anchoring means which allow stronger attachment to the substrate than the attachment of the outer layer to the substrate.

Abstract: The invention relates to a method for the nondestructive testing of a component, in which corrosion regions close to the surface, composed of oxidized carbides or sulfided base material close to the surface, are determined by means of an eddy current measurement. This allows the blades or vanes to be ground down and/or separated out in particular prior to a complex process of cleaning and coating the gas turbine blade or vane.

Abstract: Methods according to prior art for producing three-dimensional moulded bodies generally require outer moulds which define the geometry of a component to be produced. The inventive method for producing three-dimensional moulded bodies renders one such mould redundant. The geometry of a component to be produced is defined by a pre-determined laser guidance or by the geometry of the partial quantities used.

Abstract: On account of their form of coating, layer systems according to the prior art often only have a low level of attachment to the substrate. The layer may then become detached in the event of high mechanical loads being applied to the components. The layer system according to the invention has separately produced anchoring means which are more strongly attached to the substrate than the attachment of the layer to the substrate.

Abstract: Process and apparatus for producing a turbine component, turbine component and use of the apparatus Turbine components have to withstand high thermal and mechanical loads. It therefore proves advantageous for them to be made from a material with a preferred crystal orientation. Hitherto, the turbine components with a preferred crystal orientation have been produced as a single piece, with relatively high scrap rates. The proposed concept makes it possible to produce a preferred turbine component (9, 10) in a particularly simple way by assembling a turbine component (9, 10) at least from a first base part (1) and a build-up material (8), the subregion (7) of the joining zone having a preferred crystal orientation (2), so that disadvantageous properties of a joining zone without a preferred crystal orientation (2) which have hitherto been encountered are avoided.

Abstract: The invention relates to a method for removing an area of a layer of a component consisting of metal or a metal compound. According to prior art, corrosion products of a component are removed in a first step by applying a molten mass or by heating in a voluminous powder bed. This requires high temperatures or a large amount of space. The inventive method for removing corrosion products of a component is characterized in that a cleaning agent is applied locally, which removes the corrosion products by means of a gaseous reaction product.

Abstract: In the case of the epitaxial growth according to the prior art, a number of strips often have to be produced in a plane in order to restore an area to be repaired. This leads to overlapping and misorientation of crystalline structures.

Abstract: The invention relates to a method for carrying out nondestructive testing of a gas turbine blade during which corrosion areas, which are located near the surface and which consist of oxidized carbides or of base material that is sulfidized near the surface, are determined by means of an eddy current measurement. As a result, the blades can be ground or sorted, in particular, before subjecting the gas turbine to a complicated cleaning and coating process.

Abstract: In a dispersoid-reinforced electrode with a net-like open pore structure and a ceramic and a metallic meshwork, ceramic particles with an average particle diameter of less than 100 nm are homogeneously distributed in the metallic network thereby reinforcing the electrode.