Development of Wind-and-React Bi-2212 Accelerator Magnet Technology

Godeke, A.; Cheng, D.; Dietderich, D.R.; English, C.D.; Félice, H.; Hannaford, C.R.; Prestemon, S.; Sabbi, G.; Scanlan, R.M.; Hikichi, Yasuo; Nishioka, J.; Hasegawa, Takeshi

doi:10.1109/tasc.2008.922536

Cited by 63 publications

(56 citation statements)

References 7 publications

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“…This implies the use of multiple conductors in parallel, preferably in the form of fully transposed cable. This problem has been addressed by magnet groups at BNL and LBL, and Rutherford cable made from round Bi-2212 wire has been used for making coils both with R&W and W&R techniques for testing in strong background fields produced by standard LTS coils 9,34,35) . Up to 4 kA at ~ 2 T could be passed through the winding, with little training effect.…”

Section: Magnetsmentioning

confidence: 99%

Application of High Tc Superconductor in Accelerators: Status and Prospects

Ballarino

2009

TEION KOGAKU

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Synopsis:With the continuing improvement of properties of High T c Superconductors (HTS), their application to accelerator technology is becoming increasingly attractive. While the medium to long-term goal for their use in this field will be for high field magnets, the materials now available enable a number of specific applications which benefit from their characteristics and make them a valid alternative to conventional Low T c Superconductors (LTS). If devices for electrical utilities generally seek to use nitrogen as cryogen, large superconducting accelerators rely on helium cryogenics, and allow operating at lower temperatures with consequent gains in electrical performance and temperature margin. After an overview of commercial HTS materials, applications of HTS to accelerators are presented, with examples of present and future use of HTS in the Large Hadron Collider.

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Section: Magnetsmentioning

confidence: 99%

Application of High Tc Superconductor in Accelerators: Status and Prospects

Ballarino

2009

TEION KOGAKU

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“…Among the high-temperature superconducting materials, the Bi-2212 phase is considered as the most attractive because it has high chemical stability and is relatively easy to synthesize for many technological and industrial applications [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

The Influence of Postannealing on Structural and Superconducting Properties of Bi-2212 Ceramics

Özkurt

Madre

Sotelo

et al. 2013

J Supercond Nov Magn

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“…The magneticfield dependence of the critical current density (J c (H)) of Bi 2 Sr 2 CaCu 2 O x (Bi-2212) and YBa 2 Cu 3 O 7−δ (YBCO) conductors surpasses that of Nb 3 Sn for fields above 18-22 T [3]. This motivates the application of these two conductors as insert elements in combination with existing Nb 3 Sn coils to achieve fields higher than 20 T for accelerator magnets [5], [6].…”

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confidence: 99%

Measurements on Subscale Y-Ba-Cu-O Racetrack Coils at 77 K and Self-Field

Wang

Caspi

Cheng

et al. 2010

IEEE Trans. Appl. Supercond.

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Abstract-YBa2Cu3O 7−δ (YBCO) tapes carry significant amount of current at fields beyond the limit of Nb-based conductors. This makes the YBCO tapes a possible conductor candidate for insert magnets to increase the bore field of Nb3Sn highfield dipoles. As an initial step of the YBCO insert technology development, two subscale racetrack coils were wound using Kapton-insulated commercial YBCO tapes. Both coils had two layers; one had 3 turns in each layer and the other 10 turns. The coils were supported by G10 side rails and waxed strips and not impregnated. The critical current of the coils was measured at 77 K and self-field. A 2D model considering the magneticfield dependence of the critical current was used to estimate the expected critical current. The measured results show that both coils reached 80%-95% of the expected values, indicating the feasibility of the design concept and fabrication process.

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Development of Wind-and-React Bi-2212 Accelerator Magnet Technology

Cited by 63 publications

References 7 publications

Application of High <i>T</i><sub>c</sub> Superconductor in Accelerators: Status and Prospects

Application of High <i>T</i><sub>c</sub> Superconductor in Accelerators: Status and Prospects

The Influence of Postannealing on Structural and Superconducting Properties of Bi-2212 Ceramics

Measurements on Subscale Y-Ba-Cu-O Racetrack Coils at 77 K and Self-Field

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