Performance of Nb3Sn RRP strands and cables based on a 108/127 stack design

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The high performance Nb{sub 3}Sn strand produced by Oxford Superconducting Technology (OST) with the Restack Rod Process (RRP) is presently considered as a baseline conductor for the Fermilab's accelerator magnet R&D program. To improve the strand stability in the current and field range expected in magnet models, the number of subelements in the strand was increased by a factor of two (from 54 to 108), which resulted in a smaller effective filament size. The performance of the 1.0 and 0.7 mm strands of this design was studied using virgin and deformed strand samples. 27-strand Rutherford cables made of 1 mm ... continued below

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4 pages

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Barzi, E.; Ambrosio, G.; Andreev, N.; Bossert, R.; Carcagno, R.; Feher, S. et al. August 1, 2006.

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Description

The high performance Nb{sub 3}Sn strand produced by Oxford Superconducting Technology (OST) with the Restack Rod Process (RRP) is presently considered as a baseline conductor for the Fermilab's accelerator magnet R&D program. To improve the strand stability in the current and field range expected in magnet models, the number of subelements in the strand was increased by a factor of two (from 54 to 108), which resulted in a smaller effective filament size. The performance of the 1.0 and 0.7 mm strands of this design was studied using virgin and deformed strand samples. 27-strand Rutherford cables made of 1 mm strand were also tested using a superconducting transformer, small racetrack and 1-m shell-type dipole coils. This paper presents the RRP strand and cable parameters, and reports the results of strand, cable and coil testing.

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4 pages

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  • Journal Name: IEEE Trans.Appl.Supercond.17:2718-2721,2007; Conference: Presented at Applied Superconductivity Conference (ASC 2006), Seattle, Washington, 27 Aug - 1 Sep 2006

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  • Report No.: FERMILAB-PUB-06-298-TD
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 897574
  • Archival Resource Key: ark:/67531/metadc890890

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • August 1, 2006

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 30, 2016, 4:20 p.m.

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Barzi, E.; Ambrosio, G.; Andreev, N.; Bossert, R.; Carcagno, R.; Feher, S. et al. Performance of Nb3Sn RRP strands and cables based on a 108/127 stack design, article, August 1, 2006; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc890890/: accessed October 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.