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Title: The reduction of the critical current in Nb sub 3 Sn cables under transverse forces

Abstract

This paper reports that the degradation of the critical current of impregnated Rutherford type of Nb{sub 3}Sn cables has been investigated as function of the transverse force applied to the cable surface. Voltage-current characteristics were measured between 9 and 11 tesla by which the cable is supplied with the full transport current while a section on the broad side of the cable with a length of 40 mm is under pressure. A few samples are investigated as a function of the transverse force strands in the cable. It appears that the degradation of the strands is not uniform, for example, at 200 MPa some strands show 1-% while other have 40% critical current degradation also depending on the critical current criterion used. The global degradation of the cable is 12 {plus minus} 2% at 200 MPa though it is possible that a single bad strand in a cable limits the cable to below this value due to premature quenching of that strand.

Authors:
; ; ; ;  [1]
  1. Univ. of Twente, Applied Superconductivity Centre, P.O. Box 217, 7500 AE Enschede (NL)
Publication Date:
OSTI Identifier:
5364403
Report Number(s):
CONF-910662-
Journal ID: ISSN 0018-9464; CODEN: IEMGA
Resource Type:
Conference
Journal Name:
IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)
Additional Journal Information:
Journal Volume: 28:1; Conference: 12. international conference on magnet technology, Leningrad (USSR), 23-28 Jun 1991; Journal ID: ISSN 0018-9464
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 24 POWER TRANSMISSION AND DISTRIBUTION; 36 MATERIALS SCIENCE; NIOBIUM BASE ALLOYS; CRITICAL CURRENT; SUPERCONDUCTIVITY; SUPERCONDUCTING CABLES; CURRENT DENSITY; STABILITY; TIN ALLOYS; QUENCHING; SUPERCONDUCTING COILS; TRANSVERSE ENERGY; ALLOYS; CABLES; CONDUCTOR DEVICES; CURRENTS; ELECTRIC CABLES; ELECTRIC CONDUCTIVITY; ELECTRIC CURRENTS; ELECTRICAL EQUIPMENT; ELECTRICAL PROPERTIES; ENERGY; EQUIPMENT; KINETIC ENERGY; NIOBIUM ALLOYS; PHYSICAL PROPERTIES; 665412* - Superconducting Devices- (1992-); 665411 - Basic Superconductivity Studies- (1992-); 240302 - Power Transmission Lines & Cables- Superconducting Cables- (1990-); 360107 - Metals & Alloys- Superconducting Properties- (1992-)

Citation Formats

ten Kate, H H.J., Weijers, H, Wessel, S, Boschman, H, and van de Klundert, L J.M. The reduction of the critical current in Nb sub 3 Sn cables under transverse forces. United States: N. p., 1992. Web.
ten Kate, H H.J., Weijers, H, Wessel, S, Boschman, H, & van de Klundert, L J.M. The reduction of the critical current in Nb sub 3 Sn cables under transverse forces. United States.
ten Kate, H H.J., Weijers, H, Wessel, S, Boschman, H, and van de Klundert, L J.M. 1992. "The reduction of the critical current in Nb sub 3 Sn cables under transverse forces". United States.
@article{osti_5364403,
title = {The reduction of the critical current in Nb sub 3 Sn cables under transverse forces},
author = {ten Kate, H H.J. and Weijers, H and Wessel, S and Boschman, H and van de Klundert, L J.M.},
abstractNote = {This paper reports that the degradation of the critical current of impregnated Rutherford type of Nb{sub 3}Sn cables has been investigated as function of the transverse force applied to the cable surface. Voltage-current characteristics were measured between 9 and 11 tesla by which the cable is supplied with the full transport current while a section on the broad side of the cable with a length of 40 mm is under pressure. A few samples are investigated as a function of the transverse force strands in the cable. It appears that the degradation of the strands is not uniform, for example, at 200 MPa some strands show 1-% while other have 40% critical current degradation also depending on the critical current criterion used. The global degradation of the cable is 12 {plus minus} 2% at 200 MPa though it is possible that a single bad strand in a cable limits the cable to below this value due to premature quenching of that strand.},
doi = {},
url = {https://www.osti.gov/biblio/5364403}, journal = {IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)},
issn = {0018-9464},
number = ,
volume = 28:1,
place = {United States},
year = {1992},
month = {1}
}

Conference:
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