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Development of persistent joints for superconducting Bi-2212 coils

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Development of persistent joints for superconducting Bi-2212 coils. / Zagura, Petr; Kim, Ingon; Follows, Frederick et al.
In: Superconductor Science and Technology, Vol. 37, No. 5, 01.05.2024.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Zagura, P, Kim, I, Follows, F, Barker, C, Melhem, Z, Twin, A, Ball, S, Grovenor, C, Speller, S & Mousavi, T 2024, 'Development of persistent joints for superconducting Bi-2212 coils', Superconductor Science and Technology, vol. 37, no. 5. https://doi.org/10.1088/1361-6668/ad2b77

APA

Zagura, P., Kim, I., Follows, F., Barker, C., Melhem, Z., Twin, A., Ball, S., Grovenor, C., Speller, S., & Mousavi, T. (2024). Development of persistent joints for superconducting Bi-2212 coils. Superconductor Science and Technology, 37(5). https://doi.org/10.1088/1361-6668/ad2b77

Vancouver

Zagura P, Kim I, Follows F, Barker C, Melhem Z, Twin A et al. Development of persistent joints for superconducting Bi-2212 coils. Superconductor Science and Technology. 2024 May 1;37(5). Epub 2024 Apr 8. doi: 10.1088/1361-6668/ad2b77

Author

Zagura, Petr ; Kim, Ingon ; Follows, Frederick et al. / Development of persistent joints for superconducting Bi-2212 coils. In: Superconductor Science and Technology. 2024 ; Vol. 37, No. 5.

Bibtex

@article{68b71698d0ab49aea6fb7b7b2d546cbf,
title = "Development of persistent joints for superconducting Bi-2212 coils",
abstract = "Bi2Sr2CaCu2O8+x (Bi-2212) multifilamentary wire is the only high-temperature superconductor manufactured in the form of an isotropic round wire, and so offers a number of advantages for the designers of high field magnets. However, for high-field (>25 T), high-stability magnet applications, ultra-low resistance superconducting joints (R < 10−12 Ω) will be needed to take advantage of the excellent properties of the Bi-2212 wire. This study focuses on the fabrication of compact melt processed joints in small coils of Bi-2212/Ag multifilamentary round wires and the testing of their superconducting performance by inductive resistance measurements. Microstructural analysis is carried out to correlate the microstructure to the superconducting performance of the joints. Our optimized technique led to a reliable process for the preparation of small coils with melt processed joints that occupy very small volumes but can still carry the highest persistent currents reported so far for Bi-2212.",
keywords = "microstructure, magnet design, applied superconductivity",
author = "Petr Zagura and Ingon Kim and Frederick Follows and Clara Barker and Ziad Melhem and Andrew Twin and Steven Ball and Chris Grovenor and Susannah Speller and Tayebeh Mousavi",
year = "2024",
month = may,
day = "1",
doi = "10.1088/1361-6668/ad2b77",
language = "English",
volume = "37",
journal = "Superconductor Science and Technology",
issn = "0953-2048",
publisher = "IOP Publishing Ltd.",
number = "5",

}

RIS

TY - JOUR

T1 - Development of persistent joints for superconducting Bi-2212 coils

AU - Zagura, Petr

AU - Kim, Ingon

AU - Follows, Frederick

AU - Barker, Clara

AU - Melhem, Ziad

AU - Twin, Andrew

AU - Ball, Steven

AU - Grovenor, Chris

AU - Speller, Susannah

AU - Mousavi, Tayebeh

PY - 2024/5/1

Y1 - 2024/5/1

N2 - Bi2Sr2CaCu2O8+x (Bi-2212) multifilamentary wire is the only high-temperature superconductor manufactured in the form of an isotropic round wire, and so offers a number of advantages for the designers of high field magnets. However, for high-field (>25 T), high-stability magnet applications, ultra-low resistance superconducting joints (R < 10−12 Ω) will be needed to take advantage of the excellent properties of the Bi-2212 wire. This study focuses on the fabrication of compact melt processed joints in small coils of Bi-2212/Ag multifilamentary round wires and the testing of their superconducting performance by inductive resistance measurements. Microstructural analysis is carried out to correlate the microstructure to the superconducting performance of the joints. Our optimized technique led to a reliable process for the preparation of small coils with melt processed joints that occupy very small volumes but can still carry the highest persistent currents reported so far for Bi-2212.

AB - Bi2Sr2CaCu2O8+x (Bi-2212) multifilamentary wire is the only high-temperature superconductor manufactured in the form of an isotropic round wire, and so offers a number of advantages for the designers of high field magnets. However, for high-field (>25 T), high-stability magnet applications, ultra-low resistance superconducting joints (R < 10−12 Ω) will be needed to take advantage of the excellent properties of the Bi-2212 wire. This study focuses on the fabrication of compact melt processed joints in small coils of Bi-2212/Ag multifilamentary round wires and the testing of their superconducting performance by inductive resistance measurements. Microstructural analysis is carried out to correlate the microstructure to the superconducting performance of the joints. Our optimized technique led to a reliable process for the preparation of small coils with melt processed joints that occupy very small volumes but can still carry the highest persistent currents reported so far for Bi-2212.

KW - microstructure

KW - magnet design

KW - applied superconductivity

U2 - 10.1088/1361-6668/ad2b77

DO - 10.1088/1361-6668/ad2b77

M3 - Journal article

VL - 37

JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

SN - 0953-2048

IS - 5

ER -