Abstract: Conveyance system for tensioning in order to post-treat a rapidly-solidified metal strip, and post-treatment method is provided. The invention relates to a conveyance system (1 to 5) for tensioning in order to post-treat a rapidly-solidified metal strip (6), and a post-treatment method. For this purpose, the conveyance system comprises a tension roller assembly (6 to 11) and a tensioning assembly (12), between which the metal strip (6) is conveyed in order to be continuously post-treated under a predetermined tensile stress. The tension roller assembly (6 to 11) comprises a single drive roller (13) and a freely-rotating pressing roller (14). The metal strip (6) is conveyed over an angle of wrap ? on the drive roller, and, with respect to the drive roller (13), the pressing roller (14) is arranged at a contact point (16) of the metal strip (6) that defines one end of an angle of wrap ?.

Abstract: A method is provided for producing a thermoelectric object for a thermoelectric conversion device in which a powder having a bulk density ds and elements in the ratio of a Half-Heusler alloy with a theoretical density di is provided. The powder is mechanically compressed and a green body with a tap density dK is formed, the tap density dK being up to 30% of the theoretical density di greater than the bulk density ds of the powder. The green body with the tap density dK is sintered at a temperature of 1000° C. to 1500° C. for 0.5 h to 100 h, a thermoelectric object with a density ds of greater that 95% and preferably 99% of the theoretical density di being produced.

Abstract: An amorphous, ductile brazing foil is provided. According to one example embodiment, the composition consists essentially of NirestCraBbPcSid with 2 atomic percent?a?30 atomic percent; 0.5 atomic percent?b?14 atomic percent; 2 atomic percent?c?20 atomic percent; 0 atomic percent?d?14 atomic percent; incidental impurities?0.5 atomic percent; rest Ni, where c>b>c/15 and 10 atomic percent?b+c+d?25 atomic percent.

Abstract: Magnetic core made of soft magnetic material with a data medium attached to, mounted on or integrated in the magnetic core, with data in machine-readable form being stored on the data medium, the data representing at least one magnetic parameter of the magnetic core or its corresponding electrical parameter, measured at at least two different temperatures.

Abstract: A method for producing a thermoelectric object for a thermoelectric conversion device is provided. A starting material which has elements in the ratio of a half-Heusler alloy is melted and then cooled to form at least one ingot. The ingot is homogenized at a temperature of 1000° C. to 1400° C. for a period of time t, wherein 0.5 h?t<12 h or 24 h<t<100 h. The homogenized ingot is crushed and ground into a powder. The powder is cold-pressed and sintered at a maximum pressure of 1 MPa for 0.5 to 24 h at a temperature of 1000° C. to 1500° C.

Abstract: Method of manufacturing a reactive sintered magnetic article, a composite article comprising a mantle and at least one core and a laminate article comprising two or more composite articles are provided which each comprise (La1-aMa) (Fe1-b-c-Tb-Y-c)13-dXe, wherein 0?a?0.9, 0?b?0.2, 0.05?c?0.2, ?1?d?+1, 0?e?3.

Abstract: A shielding film for an apparatus with a device for wireless charging is provided which comprises several stacked layers. The layers each have several strips of a nanocrystalline soft magnetic alloy arranged on an adhesive layer, the nanocrystalline soft magnetic alloy having a round hysteresis loop. The strips of adjacent layers are offset with respect to one another.

Abstract: A current sensor arrangement for measuring an effective primary current in a primary conductor having a magnetic core for magnetic coupling of the primary conductor to a secondary conductor and a controlled voltage source connected to the secondary conductor and configured to apply a voltage with adjustable polarity to the secondary conductor so that a secondary current passes through the secondary conductor. A measurement and control unit is coupled to the secondary conductor and configured to generate a measuring signal that represents the secondary current, to continuously detect the occurrence of magnetic saturation in the core, and to reverse the polarity of the voltage upon the detection thereof in order to reverse magnetization of the core. Furthermore, the measurement and control unit is configured to evaluate a spectrum of the measuring signal and determine a frequency of a current passing through the primary conductor based on the spectrum.

Abstract: Article for magnetic heat exchange having a mantle enveloping at least one core, wherein the core comprises a plurality of grains having a magnetocalorically active material.

Abstract: Magnet core comprising a nanocrystalline alloy based on iron which has a permeability ? of between 1000 and 3500 and a magnetostriction of less than 1 ppm, which magnet core has a core mass of less than 4.7 g in the case of a maximum tolerance to unipolar current amplitudes of 60 A or a core mass of less than 5.3 g in the case of a maximum tolerance to unipolar current amplitudes of 100 A.

Abstract: A method for classifying articles comprising magnetocalorically active material according to magnetic transition temperature comprises providing a source of articles to be classified, the source comprising articles comprising magnetocalorically active materials having differing magnetic transition temperatures, sequentially applying a magnetic field at differing temperatures to the source, the magnetic field being sufficient to exert a magnetic force on the source that is greater than the inertia of a fraction of the articles causing the fraction of the articles to move and produce an article fraction, and collecting the article fraction at each temperature to provide a plurality of separate article fractions of differing magnetic transition temperature, thus classifying the articles comprising magnetocalorically active material according to magnetic transition temperature.

Abstract: Soft magnetic iron-cobalt-based alloys and a method for producing semi-finished products from these alloys are disclosed. The alloys may have a composition consisting essentially of 20% by weight?Co?30% by weight, 0% by weight?Cr?0.25% by weight, 0.06% by weight?(2*Nb+Ta)?0.8% by weight, 0.01% by weight?Mn?0.5% by weight, 0% by weight?Si?0.5% by weight, 0% by weight?Ca?0.01% by weight, 0% by weight?Mg?0.01% by weight, 0% by weight?Ce?0.01% by weight, 0% by weight?Ni?1.0% by weight, 0% by weight?Al?1.0% by weight, 0% by weight?V?1.0% by weight, 0% by weight?Mo?1.0% by weight, 0% by weight?Zr?0.1% by weight, 0% by weight?Ti?0.1% by weight, 0% by weight?Cu?0.1% by weight, 0% by weight?W?0.1% by weight, 0% by weight?S?0.01% by weight, 0% by weight?O?0.02% by weight, 0% by weight?N?0.01% by weight, 0% by weight?C?0.01% by weight, 0% by weight?P?0.01% by weight, 0% by weight?B?0.01% by weight, remainder iron.

Abstract: A soft magnetic alloy consists essentially of 10 percent by weight?Co?22 percent by weight, 0 percent by weight?V?4 percent by weight, 1.5 percent by weight?Cr?5 percent by weight, 0 percent by weight<Mn<1 percent by weight, 0 percent by weight?Mo?1 percent by weight, 0.5 percent by weight?Si?1.5 percent by weight, 0.1 percent by weight?Al?1.0 percent by weight and the remainder iron, the content of the elements chromium and manganese and molybdenum and aluminum and silicon and vanadium being 4.0 percent by weight?(Cr+Mn+Mo+Al+Si+V)?9.0 percent by weight.

Abstract: A thermoelectric module which has at least one thermoelectric element for converting energy between thermal energy and electrical energy. The at least one thermoelectric element has a first surface and a second surface opposite the first surface. The thermoelectric module further has a first electrode, the first electrode having at least a first region which is arranged directly on the first surface and a second electrode, the second electrode having at least a second region which is arranged directly on the second surface. At least one of the first region and the second region has a metal alloy which exhibits an Invar effect.

Abstract: Disclosed are amorphous, ductile brazing foils with a composition consisting essentially of FeRestNiaCrbSicBdPe, wherein 0 atomic %?a<25 atomic %; 0 atomic %?b?15 atomic %; 1 atomic %?c?10 atomic %; 4 atomic %?d?15 atomic %; 1 atomic %?e?9 atomic %; any impurities?0.5 atomic %; rest Fe, wherein 2 atomic %?c+e?10 atomic % and 15 atomic %?c+d+e?22 atomic %, or consisting essentially of FeRestNiaCrbMofCugSicBdPe, wherein 0 atomic %?a<25 atomic %; 0 atomic %?b?15 atomic %; 1 atomic %<c?10 atomic %; 4 atomic %?d?15 atomic %; 1 atomic %?e?9 atomic %; 0 atomic %<f?3 atomic %; 0 atomic %?g?3 atomic %; any impurities?0.5 atomic %; rest Fe, wherein 2 atomic %?c+e?10 atomic % and 15 atomic %?c+d+e?22 atomic %. Also disclosed are brazed objects formed using these foils, particularly exhaust gas recirculation coolers and oil coolers, and methods for making the brazing foils and for making the brazed parts.

Abstract: A method of working an article includes providing an article containing at least one magnetocalorically active phase having a magnetic phase transition temperature Tc and removing at least one portion of the article while the article remains at a temperature above the magnetic phase transition temperature Tc or below the magnetic phase transition temperature Tc.

Abstract: A current sensor comprising a primary conductor for conducting a current that is to be measured, at least two magnetic field probes for measuring magnetic fields, and a magnetic core, which has a closed ring structure having three or more corners that encloses the primary conductor, wherein each magnetic field probe is arranged on the magnetic core or in recesses in the magnetic core.

Abstract: Disclosed are a braze, such as a braze in the form of an amorphous, ductile brazing foil, having a composition consisting essentially of FeaNirestSibBcMd with 5 atomic percent?a?35 atomic percent, 1 atomic percent?b?15 atomic percent, 5 atomic percent<c?15 atomic percent, 0?d?4 atomic percent, rest Ni and incidental impurities, wherein M is one or more of the elements Co, Cr, Mn, Nb, Mo, Ta, Cu, Ag, Pd or C, and having a liquidus temperature TL?1025° C. Also disclosed are apparatus containing parts joined by said braze, methods for using said braze, and methods for making said amorphous, ductile brazing foil.

Abstract: The invention relates to a method for the production of a soft magnetic core for generators and generator with a core of this type. To produce a core, a plurality of magnetically activated and/or magnetically activatable textured laminations is produced from a CoFeV alloy. This plurality of laminations is then stacked to form a core assembly. Then the core assembly, if consisting of magnetically activatable laminations, is magnetically activated. Finally, the magnetically activated core assembly is eroded to produce a soft magnetic core. A core of this type is suitable for a generator with a stator and a rotor for high-speed aviation turbines, the laminations in the core assembly being oriented in different texture directions relative to one another.

Abstract: A method for producing a current metering device with current conductor optionally made of aluminum or aluminum alloy, which has a middle section in the form of a bar and two end sections with flattened areas, and is bent between one end section at a time and the middle section, a magnetic module which has a bushing which holds the current conductor, and two copper or copper alloy sleeves which are applied at least to parts of the end sections of the current conductor.