Investigation of alternative materials for impregnation of Nb3Sn accelerator magnets

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Insulation is one of the most important elements of magnet design, which determines the electrical, mechanical, and thermal performance as well as lifetime of the magnet. The exposure to high radiation loads especially for the proposed LHC second-generation interaction region Nb{sub 3}Sn quadrupoles further limits the choices of the insulation materials. Traditionally Nb{sub 3}Sn magnets were impregnated with epoxy to improve both the mechanical and electrical properties. However, the acceptable radiation limit for epoxy is low which reduces the lifetime of the magnet. The paper presents the results of the feasibility study to replace epoxy with high radiation-resistant material during ... continued below

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801 Kilobytes pages

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Deepak Reddy Chichili, Jay Hoffman and Alexander Zlobin November 17, 2003.

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Insulation is one of the most important elements of magnet design, which determines the electrical, mechanical, and thermal performance as well as lifetime of the magnet. The exposure to high radiation loads especially for the proposed LHC second-generation interaction region Nb{sub 3}Sn quadrupoles further limits the choices of the insulation materials. Traditionally Nb{sub 3}Sn magnets were impregnated with epoxy to improve both the mechanical and electrical properties. However, the acceptable radiation limit for epoxy is low which reduces the lifetime of the magnet. The paper presents the results of the feasibility study to replace epoxy with high radiation-resistant material during vacuum impregnation. The mechanical, thermal and electrical properties of samples impregnated with Matrimid were measured and compared with epoxy-impregnated samples.

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801 Kilobytes pages

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  • Applied Superconductivity Conference, Houston, TX (US), 08/04/2002--08/09/2002

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  • Report No.: FERMILAB-Conf-02-386
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 818646
  • Archival Resource Key: ark:/67531/metadc739353

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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.

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  • November 17, 2003

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 1, 2016, 4:12 p.m.

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Deepak Reddy Chichili, Jay Hoffman and Alexander Zlobin. Investigation of alternative materials for impregnation of Nb3Sn accelerator magnets, article, November 17, 2003; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc739353/: accessed May 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.