The reduction of the critical current in Nb3Sn cables under transverse loads

J.M. van Oort; R.M. Scanlan; H.W. Weijers; S. Wessel; H.H.J. ten Kate

doi:10.1109/77.233767

The reduction of the critical current in Nb₃Sn cables under transverse loads

J.M. van Oort, R.M. Scanlan, H.W. Weijers, S. Wessel, H.H.J. ten Kate

Research output: Contribution to journal › Conference article › Academic › peer-review

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Abstract

The degradation of the critical current of impregnated Rutherford type Nb3Sn cables was investigated as a function of the applied transverse load and magnetic field. The cable is made of modified jelly-roll-type strand material and has a keystone angle of 1.0°. The voltage-current characteristics were determined for the magnetic field ranging from 2 to 11 T and transverse pressure up to 250 MPa on the cable surface. It was found that the 48-strand cable, made of strands with six elements in the matrix, showed a larger critical current degradation than the 26-strand cable with 36 elements per strand. The global degradation of the 48-strand cable was 63% at 150 MPa, and 40% at 150 MPa for the 26-strand cable. Microanalysis of the cross-section before and after compression is presented, showing significant permanent damage to the superconducting strands.

Original language	English
Pages (from-to)	559-562
Number of pages	4
Journal	IEEE transactions on applied superconductivity
Volume	3
Issue number	1
DOIs	https://doi.org/10.1109/77.233767
Publication status	Published - 1993
Event	1992 Applied Superconductivity Conference, ASC 1992 - Chicago, United States Duration: 23 Aug 1992 → 28 Aug 1992

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@article{643e4597ba2843fea29c30305ab4fe92,

title = "The reduction of the critical current in Nb3Sn cables under transverse loads",

abstract = "The degradation of the critical current of impregnated Rutherford type Nb3Sn cables was investigated as a function of the applied transverse load and magnetic field. The cable is made of modified jelly-roll-type strand material and has a keystone angle of 1.0°. The voltage-current characteristics were determined for the magnetic field ranging from 2 to 11 T and transverse pressure up to 250 MPa on the cable surface. It was found that the 48-strand cable, made of strands with six elements in the matrix, showed a larger critical current degradation than the 26-strand cable with 36 elements per strand. The global degradation of the 48-strand cable was 63% at 150 MPa, and 40% at 150 MPa for the 26-strand cable. Microanalysis of the cross-section before and after compression is presented, showing significant permanent damage to the superconducting strands.",

author = "{van Oort}, J.M. and R.M. Scanlan and H.W. Weijers and S. Wessel and {ten Kate}, H.H.J.",

year = "1993",

doi = "10.1109/77.233767",

language = "English",

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pages = "559--562",

journal = "IEEE transactions on applied superconductivity",

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note = "1992 Applied Superconductivity Conference, ASC 1992, ASC ; Conference date: 23-08-1992 Through 28-08-1992",

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T1 - The reduction of the critical current in Nb3Sn cables under transverse loads

AU - van Oort, J.M.

AU - Scanlan, R.M.

AU - Weijers, H.W.

AU - Wessel, S.

AU - ten Kate, H.H.J.

PY - 1993

Y1 - 1993

N2 - The degradation of the critical current of impregnated Rutherford type Nb3Sn cables was investigated as a function of the applied transverse load and magnetic field. The cable is made of modified jelly-roll-type strand material and has a keystone angle of 1.0°. The voltage-current characteristics were determined for the magnetic field ranging from 2 to 11 T and transverse pressure up to 250 MPa on the cable surface. It was found that the 48-strand cable, made of strands with six elements in the matrix, showed a larger critical current degradation than the 26-strand cable with 36 elements per strand. The global degradation of the 48-strand cable was 63% at 150 MPa, and 40% at 150 MPa for the 26-strand cable. Microanalysis of the cross-section before and after compression is presented, showing significant permanent damage to the superconducting strands.

AB - The degradation of the critical current of impregnated Rutherford type Nb3Sn cables was investigated as a function of the applied transverse load and magnetic field. The cable is made of modified jelly-roll-type strand material and has a keystone angle of 1.0°. The voltage-current characteristics were determined for the magnetic field ranging from 2 to 11 T and transverse pressure up to 250 MPa on the cable surface. It was found that the 48-strand cable, made of strands with six elements in the matrix, showed a larger critical current degradation than the 26-strand cable with 36 elements per strand. The global degradation of the 48-strand cable was 63% at 150 MPa, and 40% at 150 MPa for the 26-strand cable. Microanalysis of the cross-section before and after compression is presented, showing significant permanent damage to the superconducting strands.

U2 - 10.1109/77.233767

DO - 10.1109/77.233767

M3 - Conference article

VL - 3

SP - 559

EP - 562

JO - IEEE transactions on applied superconductivity

JF - IEEE transactions on applied superconductivity

SN - 1051-8223

IS - 1

T2 - 1992 Applied Superconductivity Conference, ASC 1992

Y2 - 23 August 1992 through 28 August 1992

ER -