Design and Fabrication of a High Aspect Ratio Cable for a High Gradie nt Quadrupole Magnet

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The Large Hadron Collider interaction regions require quadrupoles with a 70 mm diameter bore, a gradient of 250 T/m, and good cooling so that the magnets can operate in a high radiation background without quenching. In order to meet these stringent requirements, a two-layer magnet with a high aspect ratio cable has been designed. This cable ulilizes the SSC inner and outer layer strands, which have been optimized and are available in large quantities. The initial design parameters for both cables are 15.2 mm width; the inner cable has 38 strands of 0.8 mm diam wire and a keystone angle ... continued below

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Scanlan, R.M.; McInturff, A.D.; Taylor, C.E.; Caspi, S.; Dell'Orco, D.; Higley, H. et al. December 12, 1996.

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The Large Hadron Collider interaction regions require quadrupoles with a 70 mm diameter bore, a gradient of 250 T/m, and good cooling so that the magnets can operate in a high radiation background without quenching. In order to meet these stringent requirements, a two-layer magnet with a high aspect ratio cable has been designed. This cable ulilizes the SSC inner and outer layer strands, which have been optimized and are available in large quantities. The initial design parameters for both cables are 15.2 mm width; the inner cable has 38 strands of 0.8 mm diam wire and a keystone angle of 0.99 deg. The outer cable has 46 strands of 0.65 mm diam wire and a keystone angle of 0.69 deg. These cables have been fabricated and then subjected to a number of tests to insure their performance in the quadrupole. These test results, including model coil winding studies, electrical property measurements, and mechanical property measurements will be presented.

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  • Applied Superconductivity Conference, Pittsburgh, PA, August 25-30, 1996

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  • Report No.: LBL-38307
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 1004206
  • Archival Resource Key: ark:/67531/metadc846280

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Office of Scientific & Technical Information Technical Reports

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  • December 12, 1996

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  • May 19, 2016, 3:16 p.m.

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  • June 16, 2016, 12:27 p.m.

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Scanlan, R.M.; McInturff, A.D.; Taylor, C.E.; Caspi, S.; Dell'Orco, D.; Higley, H. et al. Design and Fabrication of a High Aspect Ratio Cable for a High Gradie nt Quadrupole Magnet, article, December 12, 1996; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc846280/: accessed January 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.