Abstract: UHC lightweight structural steel with improved scaling resistance, comprising the composition in % by weight C: 1 to 1.6, Al: 5 to 10, Cr: 0.5 to 3, Si: 0.1 to 2.8, the remainder iron and customary impurities accompanying steel, and a method for producing components hot-formed from this in air, wherein hot-forming temperatures of from 800 to 1050° C. are used, depending on the Si content.

Abstract: UHC lightweight structural steel with improved scaling resistance, comprising the composition in % by weight C: 1 to 1.6, Al: 5 to 10, Cr: 0.5 to 3, Si: 0.1 to 2.8, the remainder iron and customary impurities accompanying steel, and a method for producing components hot-formed from this in air, wherein hot-forming temperatures of from 800 to 1050° C. are used, depending on the Si content.

Abstract: A density reducing high carbon containing or UHC-steel and particular a superplastic steel, which besides iron and impurities conventionally accompanying steel, contains the following alloy components in wt. %: 0.8 to 2.5% C 3.5 to 15% Al 0.5 to 4% Cr 0.01 to 4% Si up to 4% Ni, Mn, Mo, Nb, Ta, V, and/or W, wherein the steel includes as additional alloy components 0.1 to 0.85 Sn, and 0 to 3% Ti, Be and/or Ga.

Abstract: An A-pillar for a motor vehicle running from a vehicle roof in the direction of a vehicle floor and having a curved profile over at least one longitudinal section, has an essentially solid circumferential surface and is of essentially hollow configuration in an inner region. The A-pillar in its curved longitudinal section has a reinforcement strut which passes through a hollow cross section of the A-pillar. The reinforcement strut runs from a rear wall region of the A-pillar to a front wall region. The reinforcement strut may have an elliptical or a circular recess along an upper and a lower boundary line. The A-pillar thus achieves high strength at reduced weight.

Abstract: An A-pillar on a motor vehicle is provided with a windshield flange for the securing of a windshield. The A-pillar is of single-part design in the region of the windshield and a wall region forming the windshield flange bounds a hollow cross section of the A-pillar. The windshield can be integrated indirectly in the A-pillar, which leads to a reduction in viewing angle obscuration.

Abstract: Process for production of metallic components by warm forming of blanks of alloys with superplastic micro-structure, wherein the deforming pressure in the deforming tool is kept at least 20% below the deformation pressure necessary for forging of the respective alloy without superplastic micro-structure, and the expansion rate ({acute over (?)}) of the warm forming is adjusted to a value above 0.1/s, or wherein the expansion of the blank during The warm forming is maintained below 50% of the expansion value achievable by a superplastic deforming and the expansion rate ({acute over (?)}) which is at least the 100 fold of that for superplastic deformation, as well as drive shafts, gears, pinions or profile pans obtainable thereby.

Abstract: Processes for manufacture of metal components with high hardness and plasticity by deforming with high degree of deformation of metals, in particular steels, of which the deformation leads to a hardening by TWIP (Twinning Induced Plasticity) or SIP (Shearband Induced Plasticity) Effect, wherein the metal after the final step of annealing or crystallization annealing is deformed in at least one step into a semi finished product or the finished metal component, wherein the total elongation is in the range of 10 to 70%, as well as semi finished products, in particular continuous sheets, of steel with TWIP (Twinning Induced Plasticity) or SIP (Shearband Induced Plasticity) Effect, wherein the semi finished product exhibits a tensile strength of greater than 800 MPa and an elongation of greater than 35%.

Abstract: A motor vehicle having a stainless supporting frame structure or a stainless body-in-white, including a supporting frame structure and flat body components mounted thereon, the supporting frame structure being formed of rust-resistant steels as well as light metal alloys and/or plastics and the flat body components being formed of rust-resistant steels, light metal alloys and/or plastics, the surface of the supporting frame structure or the body-in-white being free of anti-corrosion coating or anti-corrosion painting. In addition, a method for manufacturing a motor vehicle having a corrosion-resistant body-in-white includes the steps of: manufacturing a supporting frame structure by joining and/or welding together rust-resistant steels; and mounting flat body components and/or body panels made of light metals, plastics, or rust-resistant steels, thereby forming the body-in-white.

Abstract: The invention relates to a support element for a vehicle body, in particular for supporting columns, the support element being produced from cast iron. The support element is designed, for example, as a lattice structure and is filled with metallic hollow balls for additional reinforcement.

Abstract: The invention relates to a component consisting of a high-strength sheet, in particular a structural component, which is provided with a deformation structure in a locally limited stiffening region, this deformation structure considerably increasing the local stiffness of the component compared with conventional components. The stiffness-increasing deformation structure consists of a periodic grid of concave and convex bulges nested one inside the other. It is embossed in certain, locally limited regions of the sheet by means of a deep-drawing method. The regular periodic grid structure of the stiffening pattern permits a computational simulation of the stiffnesses to be achieved and, as a consequence thereof, a systematic optimization of the stiffening structure for the respective component. The bulge depths may be locally varied inside the stiffening structure, as a result of which local variations in the stiffness of the component are specifically achieved inside the stiffening region.

Abstract: In method for soldering metal microstructured plates, stacks of plates and solder layers are prepared by placing the solder layers between each adjacent plate. The thickness of the solder layers range from 3 to 25 &mgr;m. The stack is then soldered by heating it in a vacuum or an inert atmosphere.