A superconducting joint technique for MgB2 round wires

Weijun Yao, Juan Bascuñán, Seungyong Hahn, Yukikazu Iwasa

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Abstract

This paper describes a technique to superconductively splice multifilament MgB2 wires. To date the technique has achieved joints capable of carrying a superconducting current of 200 A at 10 K in self field. Joints details, as well as testing methods and results are presented here.

Original languageEnglish
Article number5067258
Pages (from-to)2261-2264
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume19
Issue number3
DOIs
StatePublished - Jun 2009

Funding

Manuscript received August 25, 2008. First published June 05, 2009; current version published July 15, 2009 This work was supported by NIH National Institute of Biomedical Imaging and Bioengineering. The authors are with FBML/MIT, Cambridge, MA 02139 USA (e-mail: [email protected]). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2009.2019063 Fig. 1. Photograph of the cross section of 0.84_mm diameter “ filament wire, with key components identified [1].

Keywords

  • HTS/LTS magnet
  • MgB2 superconductor
  • NMR magnet
  • Persistent mode

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