NASA NTRS · 20040016311
Astro-E2 Magnesium Diboride High Current Leads
Abstract
The 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.
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Panek, J. S., Tuttle, J. G., Riall, S., Mustafi, S., Gray, A., Edmonds, R., Marrero, V.. 2003-09-04. Astro-E2 Magnesium Diboride High Current Leads. https://ntrs.nasa.gov/citations/20040016311
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