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Title: Fabrication and testing of Rutherford-type cables for react and wind accelerator magnets

Abstract

A common coil design for a high-field accelerator dipole magnet using a Nb{sub 3}Sn cable with the React-and-Wind approach is pursued by a collaboration between Fermilab and LBNL. The design requirements for the cable include a high operating current so that a field of 10-11 T can be produced, together with a low critical current degradation due to bending around a 90 mm radius. A program, using ITER strands of the internal tin type, was launched to develop the optimal cable design for React-and-Wind common coil magnets. Three prototype cable designs, all 15 mill wide, were fabricated: a 41-strand cable with 0.7 mm diameter strands; a 57-strand cable with 0.5 mm diameter strands; and a 259 strand multi-level cable with a 6-around-1 sub-element using 0.3 mm diameter wire. Two versions of these cables were fabricated: one with no core and one with a stainless steel core. Additionally, the possibility of a wide (22 mm) cable made from 0.7 mm strand was explored. This paper describes the first results of the cable program including reports on cable fabrication and reaction, first winding tests and first results of the measurement of the critical current degradation due to cabling and bending.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
Accelerator& Fusion Research Division
OSTI Identifier:
1011736
Report Number(s):
LBNL-45189
TRN: US201109%%574
DOE Contract Number:  
DE-AC02-05CH11231
Resource Type:
Conference
Resource Relation:
Conference: Applied Superconductivity Conference 2000, Virginia Beach, VA, September 17 - 22, 2000
Country of Publication:
United States
Language:
English
Subject:
99; 43; ACCELERATORS; BENDING; CABLES; CRITICAL CURRENT; DESIGN; DIPOLES; FABRICATION; FERMILAB; MAGNETS; STAINLESS STEELS; SUPERCONDUCTIVITY; TESTING

Citation Formats

Bauer, P, Ambrosio, G, Andreev, N, Barzi, E, Dietderich, D, Ewald, K, Fratini, M, Ghosh, A K, Higley, H C, Kim, S W, Miller, G, Miller, J, Ozelis, J, and Scanlan, R M. Fabrication and testing of Rutherford-type cables for react and wind accelerator magnets. United States: N. p., 2000. Web.
Bauer, P, Ambrosio, G, Andreev, N, Barzi, E, Dietderich, D, Ewald, K, Fratini, M, Ghosh, A K, Higley, H C, Kim, S W, Miller, G, Miller, J, Ozelis, J, & Scanlan, R M. Fabrication and testing of Rutherford-type cables for react and wind accelerator magnets. United States.
Bauer, P, Ambrosio, G, Andreev, N, Barzi, E, Dietderich, D, Ewald, K, Fratini, M, Ghosh, A K, Higley, H C, Kim, S W, Miller, G, Miller, J, Ozelis, J, and Scanlan, R M. 2000. "Fabrication and testing of Rutherford-type cables for react and wind accelerator magnets". United States. https://www.osti.gov/servlets/purl/1011736.
@article{osti_1011736,
title = {Fabrication and testing of Rutherford-type cables for react and wind accelerator magnets},
author = {Bauer, P and Ambrosio, G and Andreev, N and Barzi, E and Dietderich, D and Ewald, K and Fratini, M and Ghosh, A K and Higley, H C and Kim, S W and Miller, G and Miller, J and Ozelis, J and Scanlan, R M},
abstractNote = {A common coil design for a high-field accelerator dipole magnet using a Nb{sub 3}Sn cable with the React-and-Wind approach is pursued by a collaboration between Fermilab and LBNL. The design requirements for the cable include a high operating current so that a field of 10-11 T can be produced, together with a low critical current degradation due to bending around a 90 mm radius. A program, using ITER strands of the internal tin type, was launched to develop the optimal cable design for React-and-Wind common coil magnets. Three prototype cable designs, all 15 mill wide, were fabricated: a 41-strand cable with 0.7 mm diameter strands; a 57-strand cable with 0.5 mm diameter strands; and a 259 strand multi-level cable with a 6-around-1 sub-element using 0.3 mm diameter wire. Two versions of these cables were fabricated: one with no core and one with a stainless steel core. Additionally, the possibility of a wide (22 mm) cable made from 0.7 mm strand was explored. This paper describes the first results of the cable program including reports on cable fabrication and reaction, first winding tests and first results of the measurement of the critical current degradation due to cabling and bending.},
doi = {},
url = {https://www.osti.gov/biblio/1011736}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {9}
}

Conference:
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