Astro-E2 Magnesium Diboride High Current Leads.

Autor: Panek, J. S., Tuttle, J. G., Marrero, V., Mustafi, S., Edmonds, R., Gray, A., Riall, S.
Předmět:
Zdroj: AIP Conference Proceedings; 2004, Vol. 710 Issue 1, p952-957, 6p
Abstrakt: The recent discovery of superconducting properties in MgB2 and rapid development of small diameter steel-clad wires has opened up the possibility of enhancing the design of the baseline Astro-E2 high current lead assembly. Replacing YBCO filaments with MgB2 wires and modifying the heat sink location can give much higher margins against quench from temperature oscillations of the 4 K heat sink, although with some overall thermal penalty. The design and performance of a new lead assembly during flight qualification is discussed, with emphasis on thermal, structural, and electrical test results. © 2004 American Institute of Physics [ABSTRACT FROM AUTHOR]
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