Leibniz-institut Fuer Festkoerper-und Werkstoffforschung Dresden E.v.

Institut Fuer Festkoerper- Und Werkstofforschung Dresden E.v.

Leibniz-institut Fuer Festkoerper-und Werkstofforschung Dresden E.v.

Institut Fuer Festkoerper-und Werkstofforschung

Leibniz-Institut FÜr FestkÖrper-Und Werkstoffforschung Dresden E.v.

Leibnitz-institut Für Festkörper- Und Werkstoffforschung Dresden E.v.

Ludwig Schultz

Oliver De Haas

Karl-Hartmut Mueller

Axel Handstein

Juergen Eckert

Ivor Rex Harris

Stefan Roth

Oliver Gutfleisch

Volker Neu

Torsten Riederich

Martina Falter

Peter Bartusch

Bernhard Gebel

Michael Seidel

Lei Cao

Michael Kubis

Christoph Beyer

Uta Kuehn

Kathrin Jost

Stoica Mihai

Bardos Andras

Varga Lajos K K

A magnetic levitation device includes at least two superconductor molded bodies with stored magnetic field configurations above a magnetic guide track. The at least two superconductor molded bodies have at least one of a stored magnetic field configuration with different vertical spacing from the guide track and a stored magnetic field configuration with different horizontal position with respect to the guide track. The at least two superconductor molded bodies are mechanically held in a position deviating from their stored position above the guide track and connected to one another. This abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Magnetic levitation device

Method such as can be used, for example, for producing molded articles from metallic glasses. Method and apparatus are provided in which a good mold filling during casting is achieved in addition to high cooling rates. The method includes introducing a metal-containing melt into an electrically conducting casting mold, the metal-containing melt and the mold being connected in an electrically conducting manner to the outputs of the same voltage source during the introduction into a casting mold, so that a preset current flows through the boundary interface between the melt and the mold. Apparatus is also provided in which there is an electrically conducting connection to a voltage source between a metal-containing melt and an electrically conducting mold for the melt.

Process for producing metal-containing castings, and associated apparatus

High-strength, beryllium-free moulded bodies made from zirconium alloys which may be plastically deformed comprise a material essentially corresponding to the following formula in composition: Zr(E1)(E2)(E3)(E4), where E1=one or several of Nb, Ta, Mo, Cr, W, Ti, V, Hf and Y, E2=one or several of Cu, Au, Ag, Pd and Pt, E3=one or several of Ni, Co, Fe, Zn and Mn, E4=one or several of AI, Ga, Si, P, C, B, Sn, Pb and Sb, a=100&#x2212;(b+c+d+e), b=5 to 15, c=5 to 15, d=0 to 15 and e=5 to 15 (a, b, c, d, e in atom %). The moulded body essentially comprises a homogeneous, microstructural structure which is a glass-like or nano-crystalline matrix with a ductile, dendritic, cubic body-centered phase embedded therein.

High-strength beryllium-free moulded body made from zirconium alloys which may be plastically deformed at room temperature

A magnet assembly for the suspension and guidance of suspended vehicles and transport systems creates an intrinsically stable, contactless magnetic suspension and guidance system composed of an assembly of magnetic elements and a superconductor assembly for suspended vehicles and transport systems. At least one part of the magnetic element assembly is physically connected to the superconductor assembly. In addition, the magnetic elements assembly and the superconductor assembly are magnetically intercoupled to maintain a stable distance between at least two magnetic elements by the utilization of a magnetic field that is frozen in the superconductor. The magnetic assembly can be used in particular in those vehicles and transport systems that are configured to be displaced along a magnetic rail without making contact with the latter, thus enabling a displacement devoid of friction and abrasion.

Magnet assembly for the suspension and guidance of suspended vehicles and transport systems

A method is disclosed enabling a technologically controllable and economical production of a hard-magnetic powder composed of a samarium-cobalt base alloy for highly coercive permanent magnets. The method is based on a HDDR treatment in which a starting powder is subjected to hydrogenation with disproportionation of the alloy in a first method step under hydrogen and, in a subsequent, second method step under vacuum conditions, a hydrogen desorption with recombination of the alloy. A starting powder containing samarium and cobalt is treated in the first method step either at a high temperature in the range of 500&deg; C. to 900&deg; C. and with a high hydrogen pressure of >0.5 MPa or by applying an intensive fine grinding at a low temperature in the range of 50&deg; C. to 500&deg; C. and with a hydrogen pressure of >0.15 MPa. By means of the method of the invention, magnetic alloy powders can be produced from samarium-cobalt base alloys; highly coercive permanent magnets can be produced from these magnetic alloy powders, particularly by hot compacting or plastic bonding.

Method for producing a magnetic alloy powder

The production of compact molded bodies of rare-earth transition-metal boron carbide and boron nitride compounds configured so as to avoid a selective evaporation of individual components in the production process and enable an exact adjustment of the desired stoichiometry. The process is characterized in that

Process for the Production of low TC superconductor molded bodies

Process for producing hard-magnetic parts

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Dresden, Germany

Ludwig Schultz