Development of Rutherford-Type Cables for High Field Accelerator Magnets at Fermilab

Andreev, N.; Barzi, E.; Borissov, E.; Elementi, L.; Kashikhin, V.S.; Lombardo, V.; Rusy, A.; Turrioni, D.; Yamada, R.; Zlobin, A.V.

doi:10.1109/tasc.2007.898441

Cited by 39 publications

(22 citation statements)

References 13 publications

(15 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…4 and 5: The cabling procedure presently used at FNAL requires a two stage cable fabrication: first a rectangular cable with narrower width and lower packing factor, and next a keystoned cable with final cross section. The rectangular cables are made using a 42-spool compact cabling machine [14], and a forming fixture made of two vertical rolls with variable gap and two horizontal rolls. The second, keystoning, cabling step is made using a two-roll die with variable gap, and with fixed keystone angle and cable width.…”

Section: B Whole Fem Cable Model and Load Distributionmentioning

confidence: 99%

“…The total load on the cable is typically double than in the latter case, therefore producing a similar load on each edge as in the case of the cable with odd number of strands. The second keystoning stage of cable fabrication [14] was modeled by imposing an additional vertical displacement varying linearly on the strands, as shown in Fig. 12.…”

Section: B Whole Fem Cable Model and Load Distributionmentioning

confidence: 99%

See 1 more Smart Citation

FEM Analysis of Nb-Sn Rutherford-Type Cables

Barzi

Gallo

Neri

2012

IEEE Trans. Appl. Supercond.

View full text Add to dashboard Cite

Abstract-An important part of superconducting accelerator magnet work is the conductor. To produce magnetic fields larger than 10 T, brittle conductors are typically used. For instance, for Nb 3 Sn the original round wire, in the form of a composite of Copper, Niobium and Tin, is assembled into a so-called Rutherford-type cable, which is used to wind the magnet. The magnet is then subjected to a high temperature heat treatment to produce the chemical reactions that make the material superconducting. At this stage the superconductor is brittle and its superconducting properties sensitive to strain. This work is based on the development of a 2D finite element model, which simulates the mechanical behavior of Rutherford-type cable before heat treatment. The model was applied to a number of different cable architectures. To validate a critical criterion adopted into the single Nb-Sn wire analysis, the results of the model were compared with those measured experimentally on cable cross sections.

show abstract

Section: B Whole Fem Cable Model and Load Distributionmentioning

confidence: 99%

Section: B Whole Fem Cable Model and Load Distributionmentioning

confidence: 99%

FEM Analysis of Nb-Sn Rutherford-Type Cables

Barzi

Gallo

Neri

2012

IEEE Trans. Appl. Supercond.

View full text Add to dashboard Cite

show abstract

“…The third mirror model TQM03 was assembled with a new TQ coil made of improved Nb 3 Sn RRP strand of 108/127 design [11] with more spaced subelements [12]. The cable for this coil was fabricated using Fermilab's cabling machine [13] and insulated with E-glass tape using standard cable insulating technique. The acceptable performance of this insulation for Nb 3 Sn coils was confirmed previously by ten-stack sample tests [14].…”

Section: Tqm Mirror Model Assembly and Instrumentationmentioning

confidence: 99%

TESTING OF NB[sub 3]SN QUADRUPOLE COILS USING MAGNETIC MIRROR STRUCTURE

Zlobin¹,

Andreev²,

Barzi³

et al. 2010

AIP Conference Proceedings

Self Cite

View full text Add to dashboard Cite

This paper describes the design and parameters of a quadrupole mirror structure for testing the mechanical, thermal and quench performance of single shell-type superconducting quadrupole coils at field, current and force levels similar to that of real magnet. The concept was experimentally verified by testing two quadrupole coils, previously used in quadrupole models, in the developed mirror structure in the temperature range from 4.5 to 1.9 K. The coils were instrumented with voltage taps, heaters, and strain gauges to monitor their mechanical and thermal properties and quench performance. A new quadrupole coil made of improved Nb 3 Sn RRP-108/127 strand and cable insulation based on E-glass tape was also tested using this structure. The fabrication and test results of the quadrupole mirror models are reported and discussed.

show abstract

“…The third mirror model TQM03 was assembled with a new TQ coil made of improved Nb 3 Sn RRP strand of 108/127 design [11] and tested twice with two different coil pre-load levels. The cable for this coil was fabricated using Fermilab's cabling machine [12] and insulated with E-glass tape using standard cable insulating technique. The acceptable performance of this insulation for Nb 3 Sn coils was confirmed previously by testing ten-stack samples [13] and 4-m long Nb 3 Sn dipole coil [14].…”

Section: A Model Design Featuresmentioning

confidence: 99%

Magnetic Mirror Structure for Testing Shell-Type Quadrupole Coils

Andreev

Barzi

Bossert

et al. 2010

IEEE Trans. Appl. Supercond.

View full text Add to dashboard Cite

Abstract-This paper presents magnetic and mechanical designs and analyses of the quadrupole mirror structure to test single shell-type quadrupole coils. Several quadrupole coils made of different Nb 3 Sn strands, cable insulation and pole materials were tested using this structure at 4.5 and 1.9 K. The coils were instrumented with voltage taps, spot heaters, temperature sensors and strain gauges to study their mechanical and thermal properties and quench performance. The results of the quadrupole mirror model assembly and test are reported and discussed.

show abstract

Development of Rutherford-Type Cables for High Field Accelerator Magnets at Fermilab

Cited by 39 publications

References 13 publications

FEM Analysis of Nb-Sn Rutherford-Type Cables

FEM Analysis of Nb-Sn Rutherford-Type Cables

TESTING OF NB[sub 3]SN QUADRUPOLE COILS USING MAGNETIC MIRROR STRUCTURE

Magnetic Mirror Structure for Testing Shell-Type Quadrupole Coils

Contact Info

Product

Resources

About