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Astro-E2 Magnesium Diboride High Current LeadsThe recent discovery of superconducting properties in MgB_2 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 MgB_2 wires and modifying the heat sink location can give much higher margins against quench from temperature oscillations of the 4 K heat sink, although wih 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.
Document ID
20040016311
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Panek, J. S.
Tuttle, J. G.
Riall, S.
Mustafi, S.
Gray, A.
Edmonds, R.
Marrero, V.
Date Acquired
August 21, 2013
Publication Date
September 4, 2003
Subject Category
Solid-State Physics
Meeting Information
Meeting: Cryogenic Engineering Conference
Location: Anchorage, AL
Country: United States
Start Date: September 23, 2003
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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