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Molodyk A, Samoilenkov S, Markelov A, Degtyarenko P, Lee S, Petrykin V, Gaifullin M, Mankevich A, Vavilov A, Sorbom B, Cheng J, Garberg S, Kesler L, Hartwig Z, Gavrilkin S, Tsvetkov A, Okada T, Awaji S, Abraimov D, Francis A, Bradford G, Larbalestier D, Senatore C, Bonura M, Pantoja AE, Wimbush SC, Strickland NM, Vasiliev A. Development and large volume production of extremely high current density YBa 2Cu 3O 7 superconducting wires for fusion. Sci Rep 2021; 11:2084. [PMID: 33483553 PMCID: PMC7822827 DOI: 10.1038/s41598-021-81559-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 01/05/2021] [Indexed: 01/30/2023] Open
Abstract
The fusion power density produced in a tokamak is proportional to its magnetic field strength to the fourth power. Second-generation high temperature superconductor (2G HTS) wires demonstrate remarkable engineering current density (averaged over the full wire), JE, at very high magnetic fields, driving progress in fusion and other applications. The key challenge for HTS wires has been to offer an acceptable combination of high and consistent superconducting performance in high magnetic fields, high volume supply, and low price. Here we report a very high and reproducible JE in practical HTS wires based on a simple YBa2Cu3O7 (YBCO) superconductor formulation with Y2O3 nanoparticles, which have been delivered in just nine months to a commercial fusion customer in the largest-volume order the HTS industry has seen to date. We demonstrate a novel YBCO superconductor formulation without the c-axis correlated nano-columnar defects that are widely believed to be prerequisite for high in-field performance. The simplicity of this new formulation allows robust and scalable manufacturing, providing, for the first time, large volumes of consistently high performance wire, and the economies of scale necessary to lower HTS wire prices to a level acceptable for fusion and ultimately for the widespread commercial adoption of HTS.
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Affiliation(s)
- A Molodyk
- S-Innovations, Moscow, Russia.
- SuperOx, Moscow, Russia.
| | - S Samoilenkov
- S-Innovations, Moscow, Russia
- SuperOx, Moscow, Russia
| | | | - P Degtyarenko
- SuperOx, Moscow, Russia
- Joint Institute for High Temperature, Russian Academy of Sciences, Moscow, Russia
| | - S Lee
- SuperOx Japan, Kanagawa, Japan
| | | | | | | | - A Vavilov
- S-Innovations, Moscow, Russia
- SuperOx, Moscow, Russia
- SuperOx Japan, Kanagawa, Japan
| | - B Sorbom
- Commonwealth Fusion Systems, Cambridge, MA, USA
| | - J Cheng
- Commonwealth Fusion Systems, Cambridge, MA, USA
| | - S Garberg
- Commonwealth Fusion Systems, Cambridge, MA, USA
| | - L Kesler
- Commonwealth Fusion Systems, Cambridge, MA, USA
| | - Z Hartwig
- Massachusetts Institute of Technology, Cambridge, MA, USA
| | - S Gavrilkin
- P.N. Lebedev Physics Institute, Russian Academy of Sciences, Moscow, Russia
| | - A Tsvetkov
- P.N. Lebedev Physics Institute, Russian Academy of Sciences, Moscow, Russia
| | - T Okada
- Institute for Materials Research, Tohoku University, Sendai, Japan
| | - S Awaji
- Institute for Materials Research, Tohoku University, Sendai, Japan
| | - D Abraimov
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA
| | - A Francis
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA
| | - G Bradford
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA
| | - D Larbalestier
- National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA
| | - C Senatore
- University of Geneva, Geneva, Switzerland
| | - M Bonura
- University of Geneva, Geneva, Switzerland
| | - A E Pantoja
- Robinson Research Institute, Victoria University of Wellington, Wellington, New Zealand
| | - S C Wimbush
- Robinson Research Institute, Victoria University of Wellington, Wellington, New Zealand
| | - N M Strickland
- Robinson Research Institute, Victoria University of Wellington, Wellington, New Zealand
| | - A Vasiliev
- National Research Centre "Kurchatov Institute", Moscow, Russia
- Shubnikov Institute of Crystallography, Russian Academy of Sciences, Moscow, Russia
- Moscow Institute of Physics and Technology, Dolgoprudny, Russia
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Segantin S, Testoni R, Hartwig Z, Whyte D, Zucchetti M. Exploration of a Fast Pathway to Nuclear Fusion: Thermal Analysis and Cooling Design Considerations for the ARC Reactor. Fusion Science and Technology 2019. [DOI: 10.1080/15361055.2019.1629252] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- S. Segantin
- Politecnico di Torino, Dipartimento Energia, Italy
| | - R. Testoni
- Politecnico di Torino, Dipartimento Energia, Italy
| | - Z. Hartwig
- Massachusetts Institute of Technology, Plasma Science and Fusion Center, Cambridge, Massachusetts
| | - D. Whyte
- Massachusetts Institute of Technology, Plasma Science and Fusion Center, Cambridge, Massachusetts
| | - M. Zucchetti
- Politecnico di Torino, Dipartimento Energia, Italy
- Massachusetts Institute of Technology, Plasma Science and Fusion Center, Cambridge, Massachusetts
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3
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Zucchetti M, Candido L, Hartwig Z, Po’ R, Segantin S, Testoni R, Whyte D. Neutronics Scoping Studies for Experimental Fusion Devices. Fusion Science and Technology 2019. [DOI: 10.1080/15361055.2019.1613141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- M. Zucchetti
- Politecnico di Torino, Department of Energy, Torino, Italy
- Massachusetts Institute of Technology, Plasma Science and Fusion Center, Cambridge, Massachusetts
| | - L. Candido
- Politecnico di Torino, Department of Energy, Torino, Italy
| | - Z. Hartwig
- Massachusetts Institute of Technology, Plasma Science and Fusion Center, Cambridge, Massachusetts
| | - R. Po’
- Eni SpA, Decarbonization & Environmental R&D Research & Technological Innovation, Novara, Italy
| | - S. Segantin
- Politecnico di Torino, Department of Energy, Torino, Italy
| | - R. Testoni
- Politecnico di Torino, Department of Energy, Torino, Italy
| | - D. Whyte
- Massachusetts Institute of Technology, Plasma Science and Fusion Center, Cambridge, Massachusetts
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Webber DM, Tishchenko V, Peng Q, Battu S, Carey RM, Chitwood DB, Crnkovic J, Debevec PT, Dhamija S, Earle W, Gafarov A, Giovanetti K, Gorringe TP, Gray FE, Hartwig Z, Hertzog DW, Johnson B, Kammel P, Kiburg B, Kizilgul S, Kunkle J, Lauss B, Logashenko I, Lynch KR, McNabb R, Miller JP, Mulhauser F, Onderwater CJG, Phillips J, Rath S, Roberts BL, Winter P, Wolfe B. Measurement of the positive muon lifetime and determination of the Fermi constant to part-per-million precision. Phys Rev Lett 2011; 106:041803. [PMID: 21405320 DOI: 10.1103/physrevlett.106.041803] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Indexed: 05/30/2023]
Abstract
We report a measurement of the positive muon lifetime to a precision of 1.0 ppm; it is the most precise particle lifetime ever measured. The experiment used a time-structured, low-energy muon beam and a segmented plastic scintillator array to record more than 2×10(12) decays. Two different stopping target configurations were employed in independent data-taking periods. The combined results give τ(μ(+)) (MuLan)=2 196 980.3(2.2) ps, more than 15 times as precise as any previous experiment. The muon lifetime gives the most precise value for the Fermi constant: G(F) (MuLan)=1.166 378 8(7)×10(-5) GeV(-2) (0.6 ppm). It is also used to extract the μ(-)p singlet capture rate, which determines the proton's weak induced pseudoscalar coupling g(P).
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Affiliation(s)
- D M Webber
- Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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