NDLI: The FBI Facility-a test rig for critical current measurements on CICC as a function of strain

Content Provider	IEEE Xplore Digital Library
Author	Vostner, A. Salpietro, E. Weiss, K.P. Fietz, W.H. della Corte, A. Muzzi, L.
Copyright Year	2002
Abstract	One of the most important characteristics of Nb/sub 3/Sn strands is the strain dependence of the critical current density which has to be taken into account for every conductor design, especially for cable-in-conduit conductors (CICC) due to the additional influence of the jacket material. Therefore, a task has been launched in the framework of the European Fusion Technology Program to determine the residual thermal strain of single strands and different multi-stage conductors on absolute scale which is essential for the final optimization of the ITER TF conductor. For this purpose, an existing test rig for critical current measurements on single strands and multi-stage CICC as a function of strain and field, the FBI facility at the Forschungszentrum Karlsruhe, has been recently modified and modernized to improve the overall accuracy and resolution of the system. After a description of the facility, its capabilities and the recently performed upgrades, this paper explains the scheduled test program and the strategy to assess the impact of the cable pattern and size on the residual thermal strain. Results on Nb/sub 3/Sn strands jacketed in stainless steel are presented as well.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1387
Ending Page	1390
Page Count	4
File Size	790494
File Format	PDF
ISSN	10518223
Volume Number	15
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Strain measurement Testing Critical current Current measurement Conducting materials Capacitive sensors Niobium Tin Cable shielding Critical current density strain measurement Cable-in-conduit critical current
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Test Results of a Small Size CICC With Advanced$rm Nb_3rm Sn$Strands

The effect of static and cyclic axial strain on I/sub c/ of cable in conduit net subcables

Systematic Approach to Examine the Strain Effect on the Critical Current of Nb$_{3}$ Sn Cable-in-Conduit-Conductors

Electromagnetic Cycling and Strain Effects on ${rm Nb}_{3}{rm Sn}$ Cable-in-Conduit Conductors With Variations in Cabling Design and Conduit Material Properties

Low temperature phase transformation in Nb3Sn multifilamentary wires and the strain dependence of their critical current density

Scaling of the critical current in ITER type niobium-tin superconductors in relation to the applied field, temperature and uni-axial applied strain

Critical currents and AC losses on subsize cables of the NET-EM/LMI 40-kA Nb/sub 3/Sn cable-in-conduit conductor prototype

Strain dependence of critical current in internal tin process Nb/sub 3/Sn strands

Shape memory effect of cable-in-conduit conductors

The FBI Facility-a test rig for critical current measurements on CICC as a function of strain

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Test Results of a Small Size CICC With Advanced$rm Nb_3rm Sn$Strands

The effect of static and cyclic axial strain on I/sub c/ of cable in conduit net subcables

Systematic Approach to Examine the Strain Effect on the Critical Current of Nb$_{3}$ Sn Cable-in-Conduit-Conductors

Electromagnetic Cycling and Strain Effects on ${rm Nb}_{3}{rm Sn}$ Cable-in-Conduit Conductors With Variations in Cabling Design and Conduit Material Properties

Low temperature phase transformation in Nb3Sn multifilamentary wires and the strain dependence of their critical current density

Scaling of the critical current in ITER type niobium-tin superconductors in relation to the applied field, temperature and uni-axial applied strain

Critical currents and AC losses on subsize cables of the NET-EM/LMI 40-kA Nb/sub 3/Sn cable-in-conduit conductor prototype

Strain dependence of critical current in internal tin process Nb/sub 3/Sn strands

Shape memory effect of cable-in-conduit conductors

The FBI Facility-a test rig for critical current measurements on CICC as a function of strain