Stability of Nb/sub 3/Sn wires with CuNb reinforcing stabilizer on cryocooled superconducting magnet

Author

Kaneko, Tetsuya ; Seto, Toshikazu ; Nanbu, T. ; Murase, Shigeyoshi ; Shimamoto, S. ; Awaji, S. ; Watanabe, K. ; Motokawa, M. ; Saito, T.

Author_Institution

Graduate Sch. of Eng., Tohoku Univ., Sendai, Japan

Volume

10

Issue

1

fYear

2000

fDate

3/1/2000 12:00:00 AM

Firstpage

1235

Lastpage

1238

Abstract

The stability of advanced Nb/sub 3/Sn wires with CuNb reinforcing stabilizer cooled by refrigerator is studied in order to obtain data base for the future compact design of cryocooled superconducting magnets. The experiments on the critical currents, the minimum quench energy and the normal zone propagation velocity for a cryocooled sample-coil of the CuNb/Nb/sub 3/Sn wires are carried out under the condition of the magnetic field up to 15 T at temperatures ranging from 4 K to 10 K. Added to this, we make a comparison between the stability of CuNb/Nb/sub 3/Sn and Cu/Nb/sub 3/Sn wires in the cryocooling case. It is concluded from this experimental result there are the slight differences between two kinds of wires, which have to be considered for cryocooled magnet design.

Keywords

copper alloys; critical currents; multifilamentary superconductors; niobium alloys; superconducting magnets; tin alloys; 15 T; 4 to 10 K; CuNb reinforcing stabilizer; CuNb-Nb/sub 3/Sn; Nb/sub 3/Sn wire; critical current; cryocooled superconducting magnet; magnetic field; minimum quench energy; multifilamentary superconductor; normal zone propagation velocity; stability; Copper; Magnetic fields; Magnetic materials; Niobium; Stability; Superconducting coils; Superconducting filaments and wires; Superconducting magnets; Tin;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.828458

Filename

828458