NDLI: Drastic improvement of I/sub c/ of Nb/sub 3/Sn CIC conductor by prestraining at room temperature

Content Provider	IEEE Xplore Digital Library
Author	Torossian, A. Specking, W. Duchateau, J.L. Decool, P.
Copyright Year	1993
Description	Author affiliation: Dept. de Recherche sur la Fusion Controlee, Euratom-CEA, St.-Paul-lez-Durance, France (Torossian, A.)
Abstract	The strain sensitivity of Nb/sub 3/Sn cable is well known. However the practical process to compensate for this effect when 316 LN is used for the jacket has never been considered. In this paper different proposals are analysed in order to prevent the 316 LN jacket contracting more than the Nb/sub 3/Sn cable. A first experiment performed in the FBI test facility of KfK has shown that a prestrain of 0.3% carried out at 275 K on a short straight sample of cable in conduit conductor (3/spl times/3/spl times/4 Nb/sub 3/Sn strands of 0.73 mm in a 316 L conduit) produced an improvement of the critical current. The improvement in this condition is about 80%. Different designs of tooling usable for the CS and TF coils of ITER are described.
Starting Page	1166
Ending Page	1169
File Size	297318
Page Count	4
File Format	PDF
ISBN	0780314123
DOI	10.1109/FUSION.1993.518530
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Niobium Tin Cable shielding Capacitive sensors Proposals Performance evaluation Test facilities Conductors Critical current Coils
Content Type	Text
Resource Type	Article

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