Quench performance of Nb3Sn cos-theta coils made of 108/127 RRP strands

A V Zlobin,G Ambrosio, N E Andreev, E Barzi,R Bossert,R Carcagno,V S Kashikhin, M J Lamm,F Nobrega, I Novitski,D Orris,Y Pischalnikov, D Shpakov, C Sylvester,M Tartaglia,J C Tompkins, D Turrioni,R Yamada,A Yuan

ADVANCES IN CRYOGENIC ENGINEERING, VOLS 53A AND 53B（2008）

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摘要

A series of 1-m long Nb3Sn dipole models has been built at Fermilab in an attempt to refine the wind-and-react technology for Nb3Sn accelerator magnets. Three models made with Powder-in-Tube Nb3Sn strand reached their design field of 10 T demonstrating a good reproducibility of magnet quench performance and field quality. Recently a new dipole "mirror" model based on Nb3Sn coil made of improved Restack Rod Process (RRP) strand was constructed and tested reaching the maximum field above 11 T. This paper describes the parameters of the RRP strand and cable used as well as the design, fabrication and test results of this magnet.

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关键词

dipole magnet,cos-theta coil,cable,strand,Nb3Sn,quench performance

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