Astro-E2 Magnesium Diboride High Current Leads

Journal Article · Wed Jun 23 00:00:00 EDT 2004 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.1774776· OSTI ID:20653194

Panek, J S; Tuttle, J G; Marrero, V; Mustafi, S; Edmonds, R; Gray, A; Riall, S ^[1]

---

1. Cryogenics and Fluids Branch/Code 552, NASA/Goddard Space Flight Center, Greenbelt, MD 20771 (United States)

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.

• OSTI ID: 20653194
• Journal Information: AIP Conference Proceedings, Vol. 710, Issue 1; Conference: CEC 2003: Cryogenic engineering and international cryogenic materials conference on advances in cryogenic engineering, Anchorage, AK (United States), 22-26 Sep 2003; Other Information: DOI: 10.1063/1.1774776; (c) 2004 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM COMPOUNDS
CRYOGENICS
CUPRATES
DESIGN
FILAMENTS
HEAT SINKS
HIGH-TC SUPERCONDUCTORS
MAGNESIUM BORIDES
PERFORMANCE
SPACE VEHICLES
STEELS
SUPERCONDUCTING CABLES
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE 0000-0013 K
TESTING
THERMAL CONDUCTIVITY
WIRES
X-RAY SPECTROMETERS
YTTRIUM COMPOUNDS