NDLI: Low Loss Nb-Ti Superconducting Rutherford Cable Manufacture for the SIS300 INFN Model Dipole

Content Provider	IEEE Xplore Digital Library
Author	Volpini, G. Alessandria, F. Bellomo, G. Fabbricatore, P. Farinon, S. Gambardella, U. Musenich, R. Sorbi, M. Karlemo, B. Holm, M.
Copyright Year	2002
Abstract	The INFN (Istituto Nazionale di Fisica Nucleare, Italy) has launched in 2006 the DISCORAP (DIpoli SuperCOnduttori RApidamente Pulsati, or fast-pulsed superconducting dipoles) project which foresees the design, manufacture and test of a fast cycled (1 T/s) 4.5 T, cos θ , dipole model for the SIS 300 synchrotron of the FAIR (Facility for Antiproton and Ion Research) facility at GSI (Darmstadt, Germany). This magnet is now close to completion at ASG company (Genova, Italy); it is based on a Rutherford cable, manufactured by Luvata Superconductors, which incorporates several technologies to reduce the AC losses, namely a Nb-Ti filament diameter around 3 μm, Cu 0.5wt%Mn interfilamentary matrix and a Rutherford cable with stainless steel core. The development of the Rutherford foresees two subsequent generations of Rutherford cables, aimed to reach the demanding goals of the SIS-300 specifications in steps. In this paper we present the results of the manufacture of the first generation Rutherford cable, and the assessment of its electromagnetic performances, including critical current density, twist pitch impact on critical current degradation, filament hysteresis and de formation, transverse resistivity, Cu-Mn paramagnetism.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3334
Ending Page	3337
Page Count	4
File Size	853256
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	Superconducting cables Superconducting magnets Wires Critical current Magnetization Conductivity Degradation superconducting dipole AC losses Cu-Mn Nb-Ti pulsed magnets
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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