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Titolo:
Production of NbTiCICC's for SST-1 project at IPR
Autore:
Hosono, F; Iwaki, G; Inaba, S; Suzuki, T; Hiroshima, K; Kikuchi, K; Chida, K; Watahiki, M; Kamata, K; Pradhan, S; Saxena, YC;
Indirizzi:
Hitachi Cable Ltd, Superconducting Engn Ctr, Tokyo, Japan Hitachi Cable Ltd Tokyo Japan d, Superconducting Engn Ctr, Tokyo, Japan Hitachi Cable Ltd, Adv Res Ctr, Ibaraki, Osaka, Japan Hitachi Cable Ltd Ibaraki Osaka Japan Adv Res Ctr, Ibaraki, Osaka, Japan Inst Plasma Res, Gandhinagar 382428, India Inst Plasma Res Gandhinagar India 382428 Res, Gandhinagar 382428, India
Titolo Testata:
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
fascicolo: 1, volume: 11, anno: 2001,
parte:, 2
pagine: 2014 - 2017
SICI:
1051-8223(200103)11:1<2014:PONFSP>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Keywords:
current measurement; Tokamak; liquid level measurement; superconducting cable; welding;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Hosono, F Hitachi Cable Ltd, Superconducting Engn Ctr, Tokyo, Japan Hitachi Cable Ltd Tokyo Japan nducting Engn Ctr, Tokyo, Japan
Citazione:
F. Hosono et al., "Production of NbTiCICC's for SST-1 project at IPR", IEEE APPL S, 11(1), 2001, pp. 2014-2017

Abstract

A Total of 24 pieces of NbTi CICC with outer dimension of 14.8 mm X 14.8 nan and a piece length of 600 m each have been successfully fabricated for building TF and PP coils. The CICC is made through roll forming and welding process, The insert cable with a scheme of 3X3X3X5 is made front 0.86mm diameter multifilamentary NbTi/Cu strand with 10 mu m diameter NbTi filaments embedded in Cu matrix at a Cu ratio of 4.9. No treatment is applied to the strand surface. A 0.025 mm thick SS304 tape is wrapped on the finished fourth stage cable, A 1.5 mm thick SS304L strip is then roll formed around the wrapped fourth stage cable and TIG; welding is applied continuously at the top longitudinal seam. The welded conduit is finished to the final square dimension, bl passing it through sizing Polls and turks head rolls set at the end of the jacketing line. Tile critical current for a CICC, estimated through multiplying an average I-c (without self-field correction) for the 10extracted strands by the number of strands of 135 in a CICC, is approximately 38 kA at 5 T, 4.2 K. This means that there is no significant degradation of I-c 's for the strands due to the cabling and jacketing process. It isconfirmed that the finished CICC pieces of 600 m each show a He leakage level well below 0.2 X 10(-8) Toll l/s.

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Documento generato il 28/01/20 alle ore 14:47:39