Abstract: The invention relates to a method for forming an aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed and the outer aluminium alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminium alloy sheet metal parts, in particular also in outer skin quality.

Abstract: The invention relates to a current collector foil for batteries, accumulators or capacitors, comprising a carrier material and at least one electrically conductive layer made from a metal. Moreover, the invention relates to a method for producing a corresponding current collector foil as well as to the advantageous use thereof. The object of providing a current collector foil for batteries, accumulators or capacitors, which is optimized in relation to the contact surface and the adhesive properties and which results in an improved service life, is achieved as a result of the fact that the at least one electrically conductive layer is produced at least partially by electrodepositing a metal and has a texture.

Abstract: The invention relates to a method for forming an aluminum composite material which has a core alloy made from an aluminum alloy of type AA5xxx or AA6xxx and at least one outer aluminum alloy layer provided on one or both sides, wherein the aluminum composite material is formed and the outer aluminum alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminum alloy sheet metal parts, in particular also in outer skin quality.

Abstract: Provided is a method for rolling a strip with a roll stand with at least two work rolls. A rolling gap with a pass line is defined between the work rolls. A control roll is arranged before the rolling gap of the work rolls in the rolling direction, the strip is guided into the rolling gap of the roll stand via the control roll at an entry angle relative to the pass line and the surface structure of the strip is controlled through the selection of the entry angle depending on the positioning of the control roll relative to the pass line. Also provided is an apparatus for rolling a strip with a roll stand having at least two work rolls. A rolling gap with a pass line is defined between the work rolls.

Abstract: The object of providing a method for conditioning a working roll with which the material properties of a working roll can be set in a process-reliable and uniform manner is achieved by a method in which a roll and at least one pressure tool are rotated relative to each other, in which pressure is applied locally to the roll by means of the at least one pressure tool, comprising at least one pressure element, via the at least one pressure element, and in which a deep rolling process is carried out.

Abstract: The invention relates to a station for transferring a metal melt from a melting furnace into a transport crucible. The station includes a docking chamber, which has a docking opening and is designed to be docked to a filling opening of the transport crucible a suctioning device, which is designed to suction a gas from the docking chamber or from the transport crucible docked to the docking chamber, and a suction pipe, which has a suction channel extending between an inlet opening and an outlet opening. The inlet opening is arranged outside the docking chamber and the outlet opening is arranged in such a way that a metal melt flowing through the suction channel and exiting from the outlet opening passes through the docking opening.

Abstract: The invention relates to a strip consisting of an aluminum material for producing components with improved bending behavior and exacting shaping requirements, a method for producing the strip and the use of sheets produced from the strip according to the invention. The strip has a core layer of an AlMgSi alloy and at least one outer aluminum alloy layer arranged on one or both sides, made from a non-hardenable aluminum alloy, wherein the at least one outer aluminum layer has a lower tensile strength in the (T4) state than the AlMgSi layer, wherein the strip has a uniform strain (Ag) in the (T4) state of more than 23% transverse to the rolling direction and, at a thickness of 1.5 mm-1.6 mm, achieves a bending angle of less than 40° in a bending test.

Abstract: The invention relates to an ingot consisting of an aluminium solder alloy having in percentage by weight 4.5%?Si?12%; and optionally one or more of the following alloying constituents in percentage by weight: Ti?0.2%, Fe?0.8%, Cu?0.3%, Mn?0.10%, Mg?2.0%, Zn_23 0.20%, Cr?0.05%, with the remainder aluminium and unavoidable impurities, individually at most 0.05 wt %, in total at most 0.15 wt %, wherein boron is additionally provided as an alloying constituent, wherein the boron content is at least 100 ppm and the aluminium alloy is free from primary Si particles having a size of more than 20 ?m. The invention further relates to an aluminium alloy product consisting of an aluminium alloy, to an ingot consisting of an aluminium alloy and to a method for producing an aluminium alloy.

Abstract: The invention relates to a brazable three-layered aluminium composite material having at least three layers with at least two different aluminium alloys, whereby an inner layer of the at least three layers is an aluminium brazing layer made from an aluminium brazing alloy, the other layers are configured as covering layers and include at least one further aluminium alloy, wherein the at least one further aluminium alloy has a higher solidus temperature than the liquidus temperature of the aluminium brazing alloy. The individual covering layers have a thickness which exceeds the thickness of the aluminium brazing layer by at least a factor of 1.5, preferably by a factor of 5. The brazable aluminium composite material is simply structured, has good brazing properties for the production of butt-joint brazing connections, significantly reduces the risk of a ‘burning through’ of brazed-on components and provides sufficient mechanical properties.

Abstract: Provided is a heat exchanger, in particular for motor vehicles, with at least one exchanger tube of an aluminium alloy and with at least one component connected fluidically to the exchanger tube, wherein the exchanger tube and the component (14, 16) are connected to one another by way of a common soldered connection and wherein the component connected to the exchanger tube has a core layer of an aluminium alloy with the following composition: Si: max. 0.7% by weight, Fe: max. 0.70% by weight, Cu: max. 0.10% by weight, Mn: 0.9-1.5% by weight, Mg: max. 0.3% by weight, Cr: max. 0.25% by weight, Zn: max. 0.50% by weight, Ti: max. 0.25% by weight, Zr: max. 0.25% by weight, unavoidable impurities individually max. 0.05% by weight, altogether max. 0.15% by weight, the remainder aluminium.

Abstract: The invention relates to a strip consisting of an aluminum material for producing components with improved bending behavior and exacting shaping requirements, a method for producing the strip and the use of sheets produced from the strip according to the invention. The strip has a core layer of an AlMgSi alloy and at least one outer aluminum alloy layer arranged on one or both sides, made from a non-hardenable aluminum alloy, wherein the at least one outer aluminum layer has a lower tensile strength in the (T4) state than the AlMgSi layer, wherein the strip has a uniform strain (Ag) in the (T4) state of more than 23% transverse to the rolling direction and, at a thickness of 1.5 mm-1.6 mm, achieves a bending angle of less than 40° in a bending test.

Abstract: The invention relates to a method for burning in a coating of an aluminium or an aluminium alloy printing plate support, in the case of which the printing plate is heated to a burning in temperature, maintained at this temperature for a predefined duration and subsequently cooled. Deformations can be minimised even further after the burning in process if at least in a temperature range between 150° C. and the burning in temperature, preferably 100° C. and the burning in temperature, the temperature differences of the metal temperature of the printing plate measured along a line in the longitudinal direction of the printing plate during the heating and cooling are maximum 40° C. over a length of 40 cm and the temperature differences of the metal temperature of the printing plate measured along a line perpendicular to the longitudinal direction are less than 10° C. during the heating and cooling.

Abstract: The invention relates to a litho sheet for electrochemical roughening, consisting of a rolled aluminium alloy, wherein the sheet surface has a topography with a maximum peak height Rp or Sp of not more than 1.4 ?m, preferably not more than 1.2 ?m, in particular not more than 1.0 ?m. The invention also relates to a method which is intended for producing a litho sheet and in the case of which a litho sheet consisting of an aluminium alloy is cold-rolled and in the case of which the litho sheet, following the final cold-rolling pass, is subjected to a degreasing treatment with a pickling step using an aqueous pickling medium.

Abstract: Embodiments relate to a device for performing a bending test having a base plate, counter bearings connected via the base plate, bearing blocks which in each case comprise a support for applying a bending sample, and a bending punch or a bending rail for exerting a force on a bending sample. The distance of the supports can be set precisely and in a force resistant manner by abutting the counter bearings and the bearing blocks against each other via contact surfaces inclined to the base plate. Further provided is a method for performing a bending test using a device according to the invention, in the case of which a bending sample is applied on the supports and in the case of which a force is exerted between the supports on the bending sample.

Abstract: The invention relates to a method for thermally treating an aluminium workpiece, comprising the steps of providing an aluminium workpiece, which is essentially in the T4 structural state, and exposing a first portion of the workpiece to a first precipitation hardening process by artificial ageing to change the structural state of the first portion of the workpiece, wherein a part of the workpiece is actively cooled during the first precipitation hardening process, so that a second portion of the workpiece essentially remains in the same structural state during the first precipitation hardening process. The invention further relates to an apparatus for thermally treating an aluminium workpiece and to an aluminium workpiece, especially producible with a method according to the invention.

Abstract: The invention relates to an aluminium alloy, the use of an aluminium alloy strip or sheet and a method for producing an aluminium alloy strip or sheet. An aluminium alloy which has only a slight tendency towards intercrystalline corrosion and which at the same time provides high levels of strength and good deformability and which contains standard alloy components so that the recycling of the aluminium alloy is simplified is provided herein.

Abstract: The invention relates to the use of an aluminium alloy for an aluminium-plastic composite part or for the production thereof, wherein the aluminium alloy has the following composition: Si: 0.05-0.35 wt. %, Fe: 1.3-1.75 wt. %, Cu:?0.02 wt. %, Mn: 0.015-0.035 wt. %, Mg:?0.003 wt. %, Cr:?0.03 wt. %, Ni:?0.02 wt. %, Zn:?0.03 wt. %, Ti:?0.03 wt. %, contaminants individually up to 0.05 wt. %, in total up to 0.15 wt. %, the remainder being aluminium. The invention further relates to the use of an aluminium sheet product made from an alloy of this type for an aluminium-plastic composite part or the manufacture thereof. Finally, the invention also relates to an alloy of this type and to an aluminium sheet product made from an alloy of this type.

Abstract: An aluminium alloy for the manufacture of semi-finished products or components of motor vehicles, a method for the manufacture of a strip made of an aluminium alloy according to the invention, a corresponding aluminium alloy strip or sheet as well as a structural component of a motor vehicle consisting of an aluminium alloy sheet which includes the following alloy components in % by weight: 0.6%?Si?0.9%, 0.6%?Fe?1.0%, Cu?0.1%, 0.6%?Mn?0.9%, 0.5%?Mg?0.8%, Cr?0.05%, the remainder Al and impurities, individually up to a maximum of 0.05% by weight, in total up to a maximum of 0.15% by weight.

Abstract: Use of an aluminium composite material in a thermal joining method, said material consisting of at least one aluminium core alloy and at least one external brazing layer consisting of an aluminium brazing alloy provided on one or both sides of the aluminium core alloy, wherein the aluminium brazing layer has a pickled surface. Reduced costs and a lower environmental impact is achieved by using an aluminium composite material in which the pickled surface of the aluminium brazing layer had been pickled by pickling with an acid, aqueous pickling solution containing at least one mineral acid and at least one complex-forming agent or a complexing mineral acid, wherein the removal of material in the pickling is between 0.05 g/m2 and 6 g/m2, the aluminium composite material is used in a flux-free, thermal joining method, and the joining method is carried out in the presence of a protective gas.

Abstract: A coating of a metal sheet or strip comprising a lubricant and a protective base material is provided. The lubricant is contained in the protective base material, and the protective base material is at least in part selectively removable. There is also provided a metal sheet or strip capable of forming, in particular of superplastic forming, and having a coating according to the invention at least partially on one or on both sides of the metal sheet and a method for manufacturing a metal sheet or strip according to the invention comprising the steps of providing a metal sheet or strip capable of forming, in particular of superplastic forming, and applying a coating according to the invention.