Measurements of Nb3Sn conductor dimension changes during heat treatment

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During the heat treatment of Nb{sub 3}Sn coils the conductor material properties change significantly. These effects together with the changes of the conductor dimensions during heat treatment may introduce large strain in the coils for accelerator magnets. The US LHC Accelerator Research Program (LARP) has initiated a study aiming at understanding the thermal expansion and contraction of Nb3Sn strands, cables and coils during heat treatment. Several measurements on strands and cables were performed in order to have sufficient inputs for finite element simulation of the dimensional changes during heat treatment. In this paper the results of measurements of OST-RRP Nb{sub ... continued below

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8 pages

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Bocian, D.; Ambrosio, G.; Whitson, G.M. & /Fermilab June 1, 2011.

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During the heat treatment of Nb{sub 3}Sn coils the conductor material properties change significantly. These effects together with the changes of the conductor dimensions during heat treatment may introduce large strain in the coils for accelerator magnets. The US LHC Accelerator Research Program (LARP) has initiated a study aiming at understanding the thermal expansion and contraction of Nb3Sn strands, cables and coils during heat treatment. Several measurements on strands and cables were performed in order to have sufficient inputs for finite element simulation of the dimensional changes during heat treatment. In this paper the results of measurements of OST-RRP Nb{sub 3}Sn conductor used in the LARP magnet program are discussed.

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8 pages

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  • Presented at Cryogenic Engineering Conference and International Cryogenic Materials Conference CEC-ICMC 2011, Spokane, Washington, 13-17 June 2011

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  • Report No.: FERMILAB-CONF-11-272-TD
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 1021032
  • Archival Resource Key: ark:/67531/metadc843678

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Aug. 30, 2016, 3:31 p.m.

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Bocian, D.; Ambrosio, G.; Whitson, G.M. & /Fermilab. Measurements of Nb3Sn conductor dimension changes during heat treatment, article, June 1, 2011; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc843678/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.