Transport properties of Bi-2212/Ag multifilamentary tape under a large electromagnetic stress state

Tsuyoshi Wakuda; Michiya Okada; Satoshi Awaji; Kazuo Watanabe

doi:10.1109/77.783455

Transport properties of Bi-2212/Ag multifilamentary tape under a large electromagnetic stress state

Tsuyoshi Wakuda, Michiya Okada, Satoshi Awaji, Kazuo Watanabe

IMR - High Field Laboratory for Superconducting Materials

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Transport and mechanical properties of two Bi2212 superconducting coils under a large hoop stress were measured. The coils were 11-turn R&W type double pancake coils with an outer diameter of 280mm reinforced against electromagnetic stress by co-winding with an Ag-50%Cu or a Hastelloy X tape. They were measured in an external magnetic flux density of 10T and liquid Helium(4.2K). Critical current of the coil with the Ag-50%Cu reinforcement tape was 240A and its transport property was severely degraded by more than 0.4% deformation at I= 388A. The coil with the Hastelloy X tape with a critical current of 350A, showed good performance against an electromagnetic stress of 262MPa at I-500A and could repress deformation of the coil to within 0.22%.

Original language	English
Pages (from-to)	952-955
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	9
Issue number	2 PART 1
DOIs	https://doi.org/10.1109/77.783455
Publication status	Published - 1999

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abstract = "Transport and mechanical properties of two Bi2212 superconducting coils under a large hoop stress were measured. The coils were 11-turn R&W type double pancake coils with an outer diameter of 280mm reinforced against electromagnetic stress by co-winding with an Ag-50%Cu or a Hastelloy X tape. They were measured in an external magnetic flux density of 10T and liquid Helium(4.2K). Critical current of the coil with the Ag-50%Cu reinforcement tape was 240A and its transport property was severely degraded by more than 0.4% deformation at I= 388A. The coil with the Hastelloy X tape with a critical current of 350A, showed good performance against an electromagnetic stress of 262MPa at I-500A and could repress deformation of the coil to within 0.22%.",

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AU - Wakuda, Tsuyoshi

AU - Okada, Michiya

AU - Awaji, Satoshi

AU - Watanabe, Kazuo

PY - 1999

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N2 - Transport and mechanical properties of two Bi2212 superconducting coils under a large hoop stress were measured. The coils were 11-turn R&W type double pancake coils with an outer diameter of 280mm reinforced against electromagnetic stress by co-winding with an Ag-50%Cu or a Hastelloy X tape. They were measured in an external magnetic flux density of 10T and liquid Helium(4.2K). Critical current of the coil with the Ag-50%Cu reinforcement tape was 240A and its transport property was severely degraded by more than 0.4% deformation at I= 388A. The coil with the Hastelloy X tape with a critical current of 350A, showed good performance against an electromagnetic stress of 262MPa at I-500A and could repress deformation of the coil to within 0.22%.

AB - Transport and mechanical properties of two Bi2212 superconducting coils under a large hoop stress were measured. The coils were 11-turn R&W type double pancake coils with an outer diameter of 280mm reinforced against electromagnetic stress by co-winding with an Ag-50%Cu or a Hastelloy X tape. They were measured in an external magnetic flux density of 10T and liquid Helium(4.2K). Critical current of the coil with the Ag-50%Cu reinforcement tape was 240A and its transport property was severely degraded by more than 0.4% deformation at I= 388A. The coil with the Hastelloy X tape with a critical current of 350A, showed good performance against an electromagnetic stress of 262MPa at I-500A and could repress deformation of the coil to within 0.22%.

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Transport properties of Bi-2212/Ag multifilamentary tape under a large electromagnetic stress state

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