Abstract: A plasma spray method for the manufacture of an ion conductive membrane is provided which ion conductive membrane has an ion conductivity, in which method the membrane is deposited as a layer (11) onto a substrate (10) in a process chamber, wherein a starting material (P) is sprayed onto a surface of the substrate (10) in the form of a process beam (2) by means of a process gas (G), wherein the starting material is injected into a plasma at a low process pressure, which is at most 10,000 Pa, and is partially or completely molten there. Oxygen (O2; 22) is supplied to the process chamber (12) during the spraying at a flow rate which amounts to at least 1%, preferably at least 2%, of the overall flow rate of the process gas.

Abstract: The invention relates to a workpiece (1), in particular a rotor disc, an impeller or guide wheel for a turbine, for a pump or for a compressor, including a base body (2) with a guide vane (3), wherein the guide vane (3) is welded in notch-free manner to the base body (2) and/or to a cover part (4). Furthermore, the invention relates to a welding method for the manufacture of a workpiece (1).

Abstract: In a manufacturing method for closed vane wheels having vanes (2, 2a) between which vane channels (3) are formed which have a predefined shape, openings for the vane channels are prepared by means of a program-controlled chip forming cutting apparatus in a blank in a chip forming cutting process. In the manufacturing method, in a further workstep, electrodes (11) of an apparatus for spark erosion or for electrochemical stock removal are additionally introduced into the openings and a part of the predefined shape of the vane channel (3) is manufactured by means of spark erosion or by means of electrochemical stock removal.

Abstract: The invention relates to a workpiece (1), in particular a rotor disc, an impeller or guide wheel for a turbine, for a pump or for a compressor, including a base body (2) with a guide vane (3), wherein the guide vane (3) is welded in notch-free manner to the base body (2) and/or to a cover part (4). Furthermore, the invention relates to a welding method for the manufacture of a workpiece (1).

Abstract: The invention relates to a machining method for the machining of a workpiece (1) by means of a machining apparatus, including a control and/or regulating unit and a program-controlled data processing unit as well as a manipulator with a machining tool (2) for the manufacture of a three-dimensional structure (3) by machining the workpiece (1) in the region of a curved guide surface (4).

Abstract: In accordance with the invention a method for the manufacture of an erosion protection layer on a metallic substrate is proposed in which a material is welded onto the metallic substrate (2, 2?). The material is a steel which contains at least 0.1% carbon and at least 12% chrome. The material is applied to the substrate (2, 2?) by laser deposition welding. A component (1, 1?) is further proposed by the invention with a metallic substrate (2, 2?) and an erosion protection layer (3, 3?) applied on the substrate (2, 2?), wherein the erosion protection layer (3, 3?) is manufactured using a method in accordance with the invention.

Abstract: A method is proposed for the estimating of the residual service life of an apparatus which is subjected to wear during operation steps. For at least one characteristic parameter (T) which is sensitive to the wear (V), a relationship is determined to a time parameter (A) which is representative for the operating period, and a limit value (G) is fixed for the characteristic parameter (T) which gives the maximum permitted wear. A code field (KF) is established which gives a relationship between the characteristic parameter (T), the time parameter (A) and the wear (V), actual values are determined for the characteristic parameter (T) in dependence on the time parameter (A) with the aid of data obtained by a measurement, and the instantaneously present wear (V) is determined from the actual values with reference in each case to the code field (KF).

Abstract: A method of single crystal welding is provided for the production of a single crystal region (1) on a surface (2) of a moncrystalline substrate (3) by means of an energy beam (4). The method of single crystal welding includes the supply of a coating material (5), the formation of a melt (6) by melting the coating material (5) by means of the energy beam (4) and the melting of a surface layer (71, 72) of the single crystal substrate (3) by the energy beam (4). The characteristic (8) of the energy distribution in the energy beam (4) is set, in this connection, such that the lateral thermal flow (H1) from the melt into the single crystal substrate (3) is minimized.

Abstract: In accordance with the invention, a method for visualising a spatially resolved data set (D) using an illumination model (BM) is proposed, with a datum (D(&agr;, &bgr;, &ggr;)) of the data set (D) being associated in each case with a volume element (V) whose position is described by coordinates (&agr;, &bgr;, &ggr;) in a measurement coordinate system (Km). The data (D(&agr;, &bgr;, &ggr;)) are loaded as at least one texture (T&agr;i, T&bgr;j, T&ggr;k) into graphics hardware (4) in order to generate a pictorial representation (5) in a projection space. The illumination model (BM) is evaluated in the measurement coordinate system (KM).

Abstract: An apparatus for the transmitting of electrical signals and electrical energy for an ultrasonic measuring system with rotatable or swivellable transducer elements includes a housing (31) and a shaft (32), which is rotatably or swivellably arranged relative to the housing. The apparatus additionally includes two coils (36.2, 36.2) and also two halves (35.1, 35.2) of a shell-type core (35), wherein the one coil (36.1) is secured on the housing, and the other coil (36.2) to the shaft (32), and wherein the two coils (36.1, 36.2) and the two shell-type core halves (35.1, 35.2) together form an inductive transmitter.

Abstract: The battery with miniaturised SOFC fuel cells includes the following components: a stack (20) made up of the fuel cells (2), the volume of which is less than 10−3m3, preferably less than 10−4m3, a channel system (24, 25, 26) in the channels of which on the one hand reactants, namely gaseous fuel (50) and also air (40) can be fed to the cells (2) and one the other hand the fuel which is partially depleted in the cells can be subjected to after-burning; a casing (10, 11), which is at least partially made as heat insulating; a heat exchanger (6), which is part of the channel system and in which the air supplied can be heated up with the exhaust gas (60) from the afterburning; an apparatus (4) for feeding the air, an exchangeable or refillable reservoir (5) for the fuel, which is stored in this at a pressure which is greater than the environmental pressure and in which the fuel is preferably liquid; controlled valves (51) in connection lines for the reactants; furthermore a control.

Abstract: The ultrasonic probe (1) is provided for a stereoscopic image forming system, which relates to a raster-like recording of data and its electronic processing. The probe includes groups (12) of sound transducers (11), which are arranged inside an elastomeric envelope (10) on a cylindrical carrier, rotatable around a longitudinal axis. The carrier is made up of at least two segments (3, 4). The segments are tiltable relative to one another through a tilting angle, and what is more about a tilting axis, which lies transversely to the longitudinal axis and preferably eccentrically to it. There is a stable positional state, in which the segments adopt a position with alignment in the direction of the longitudinal axis under the influence of a dynamic and/or static resetting force.

Abstract: The spray powder can be used for the manufacture of a thermally insulating layer which is resistant to high temperatures. A coating of this kind, a so-called TBC, can be produced on a substrate by means of a thermal spraying process. The substrate can already be coated with a single or multilayered part coating, in particular a primer. At least one thermally insulating functional material is used, which on the one hand has a lower thermal conductivity than the substrate and on the other hand forms a chemically and thermally stable phase at high temperatures. The spray powder comprises particles (1) which respectively have an agglomerate-like micro-structure (2) which is formed by a plurality of granules (3) adhering to each other. These granules are made up of the functional material or the functional materials. At least one further component is present made of an additive (4) or a plurality of additives.

Abstract: A method of single crystal welding is provided for the production of a single crystal region (1) on a surface (2) of a moncrystalline substrate (3) by means of an energy beam (4). The method of single crystal welding includes the supply of a coating material (5), the formation of a melt (6) by melting the coating material (5) by means of the energy beam (4) and the melting of a surface layer (71, 72) of the single crystal substrate (3) by the energy beam (4). The characteristic (8) of the energy distribution in the energy beam (4) is set, in this connection, such that the lateral thermal flow (H1) from the melt into the single crystal substrate (3) is minimised.

Abstract: A method for visualizing a spatially resolved data set, the data of which are in each case associated with a volume element of which the position is described by coordinates in a non-Cartesian measurement coordinate system, the data M(rk, &thgr;j, zi) are loaded into a graphics engine [(1)] as texture maps (Trk, T&thgr;j, Tzi) and then a pictorial representation is generated through superposition of texture maps (Trk, T&thgr;j, Tzi).

Abstract: Thread guiding element for the guidance of threads, in which a surface of the body (3) of the thread guiding element is provided, at least in the region in which the thread (8) is guided, with a surface coating (5) which has a structure which is formed as a matrix for the reception of a lubricant and/or of a sliding agent.

Abstract: A method and apparatus is proposed for judging the friction behavior between two counter-running partners, each of which has a contact surface, with the one contact surface moving along the other contact surface in the operating state. One of the contact surfaces is charged with ultrasonic signals (UI; UW), ultrasonic signals which are reflected by the contact surface are received as echo signals (ES), the echo signals (ES) are supplied to an evaluation unit as received signals, the Doppler shift of the received signals is determined by means of the evaluation unit, and the friction behavior between the counter-running partners is judged by means of the Doppler shift.

Abstract: The invention relates to a method for the manufacture of a composite of continuous fibers (11) and plastic. The fibers are present as a unidirectional fiber arrangement (1) or in the form of strand-like, multi-fibrous threads (1), with these threads forming a textile thread arrangement (10), in particular a fabric or braided fabric. The fibers are embedded into a plastic matrix, wherein a polymer or different polymers are provided for the manufacture of the matrix. The fiber arrangement or thread arrangement (1, 10) is draw off from a supply point, in particular a supply reel (100), and impregnated with particles of plastic, with subsequently at least a part of the particles being converted by melting into the matrix. A mean diameter of the particles is not substantially larger than the diameter of the fibers (11). The fiber arrangement or thread arrangement (1, 10) is transported without deflecting elements and guided in one plane.

Abstract: The method for forming a finely divided polymerizate in the form of a dispersion (D) of particles (50, 51) for the purpose of manufacturing powder lacquers or fiber compound materials comprises two steps: