Cryogen-free superconducting magnet fabricated by a react-and-wind method employing Nb3Sn wires with CuNbTi reinforcement

K. Watanabe, G. Nishijima, S. Awaji, K. Takahashi, K. Miyoshi, S. Megro, M. Ishizuka, T. Hasebe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Practical multifilamentary Nb3Sn wires with CuNbTi reinforcement (CuNbTi/Nb3Sn) exhibit the splendid mechanical tolerance of 340 MPa proof stress. We intended to develop a Nb3Sn coil by a react-and-wind method for a wide bore cryogen-free superconducting magnet, and made a react & wind coil employing CuNbTi/Nb3Sn wires. The performance test for the CuNbTi/Nb3Sn coil was carried out, and the coil generated 2.2 T at 180 A as the individual test. In the combination test in a background field of 5.6 T, the react & wind processed CuNbTi/Nb3Sn coil generated 7.5 T in a 220 mm room temperature bore. The wide bore cryogen-free superconducting magnet wound with highly strengthened CuNbTi/Nb3Sn wires is now being used for a high field heat-treatment equipment at 7 T. This wide bore furnace provides special heat-treatment conditions of high temperature 1500 °C in fields up to 7.0 T in a 40 mm sample bore.

Original languageEnglish
Title of host publicationProceedings of the Twentieth International Cryogenic Engineering Conference, ICEC 20
PublisherElsevier
Pages573-576
Number of pages4
ISBN (Print)0080445594, 9780080445595
DOIs
Publication statusPublished - 2005
EventTwentieth International Cryogenic Engineering Conference, ICEC 20 - Beijing, China
Duration: 2004 May 112004 May 14

Publication series

NameProceedings of the Twentieth International Cryogenic Engineering Conference, ICEC 20

Other

OtherTwentieth International Cryogenic Engineering Conference, ICEC 20
CountryChina
CityBeijing
Period04/5/1104/5/14

ASJC Scopus subject areas

  • Engineering(all)

Fingerprint Dive into the research topics of 'Cryogen-free superconducting magnet fabricated by a react-and-wind method employing Nb<sub>3</sub>Sn wires with CuNbTi reinforcement'. Together they form a unique fingerprint.

Cite this