NDLI: Electrical Interconnection of Superconducting Strands by Electrolytic Cu Deposition

Content Provider	IEEE Xplore Digital Library
Author	Scheuerlein, C. Schoerling, D. Heck, S. Ams, A.
Copyright Year	2002
Abstract	The electrical interconnection of Nb₃Sn/Cu strands is a key issue for the construction of superconducting devices such as Nb₃Sn based insertion devices for third generation light sources. As an alternative connection method for brittle superconducting strands like Nb₃Sn/Cu, test joints have been produced by electrolytic deposition of Cu. The resistance of first test joints produced by electrolytic Cu deposition with a strand overlap length of 3 cm at 4.2 K is about 10 nΩ, similar to the resistance measured for joints produced by soft soldering with the same strand overlap length. Interconnection by electrolytic Cu deposition can be done before or after the reaction heat treatment, and it produces a mechanically strong connection. Simulations have been performed with Comsol multiphysics in order to estimate the influence of deposit imperfections on the joint resistance, and to compare the resistance of joints made with different techniques.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1791
Ending Page	1794
Page Count	4
File Size	856018
File Format	PDF
ISSN	10518223
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Joints Copper Resistance Welding Electrical resistance measurement Superconducting magnets Soldering superconducting wires and filaments Joint resistance ${\rm Nb}_{3}{\rm Sn}$
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Measurement of the Transverse Resistivity of NbTi and Internal-Tin ${rm Nb}_{3}{rm Sn}$ Strands

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