Dresden 2006 – scientific programme

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TT: Tiefe Temperaturen

TT 2: Superconductivity: Conductor Development

TT 2.1: Talk

Monday, March 27, 2006, 11:30–11:45, HSZ 02

First technical applications for thin MgB₂ superconducting wires — •Wilfried Goldacker, Sonja Schlachter, Bing Liu, and Bernhard Obst — Forschungszentrum Karlsruhe , P.O.Box 3640, 76021 Karlsruhe

Although superconducting wires of MgB₂ are still in an early stage of development, a row of appliactions are already in the focus. Due to the request for very thin MgB₂ wires for the application in the satellite (current lead application) and the liquid hydrogene technology (level meter), thin MgB₂ monofilamentary wires with application specific properties, as low thermal conductivity or high mechanical strength were developed, and in the case of a saellite already applied. These thin wires with diameters down to 50 microns can be regarded as a finite element for the requested multifilamentary superconducting wires. We present results about transport critical current densities of optimized composites, the achieved thermal stabilisation of the conductor upon quench and the possibilities of mechanical reinforcements.