Analysis of a joint method between superconducting YBCO coated conductors

Dong Keun Park; Min Cheol Ahn; Ho Min Kim; H. G. Lee; Ki Sung Chang; Sand Jin Lee; Seong Eun Yang; Tae Kuk Ko

doi:10.1109/TASC.2007.899590

Analysis of a joint method between superconducting YBCO coated conductors

Dong Keun Park, Min Cheol Ahn, Ho Min Kim, H. G. Lee, Ki Sung Chang, Sand Jin Lee, Seong Eun Yang, Tae Kuk Ko

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article

51 Citations (Scopus)

Abstract

This paper deals with an analysis on the optimum lap joint method of the YBCO coated conductor (CC) wire. Effective low resistance joint is important for the development of persistent current mode system using the second generation high temperature superconducting (2G HTS) wire, YBCO CC. CC tape is stacked with copper or stainless steel stabilizer, silver layer, YBCO layer, buffer and substrate. The joint between CCs was performed with low temperature InBi solder. YBCO samples with various contact conditions were fabricated and tested. Characteristics of jointed CC tape were evaluated from the V-I curve and contact resistance was derived from experimental results. Characteristics of jointed CC were investigated by electrical analysis and optical micrograph. The BSCCO wires were jointed at different conditions, and the results were compared with the joint between the YBCO CCs.

Original language	English
Pages (from-to)	3266-3269
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	17
Issue number	2
DOIs	https://doi.org/10.1109/TASC.2007.899590
Publication status	Published - 2007 Jun 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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Park, D. K., Ahn, M. C., Kim, H. M., Lee, H. G., Chang, K. S., Lee, S. J., Yang, S. E., & Ko, T. K. (2007). Analysis of a joint method between superconducting YBCO coated conductors. IEEE Transactions on Applied Superconductivity, 17(2), 3266-3269. https://doi.org/10.1109/TASC.2007.899590

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abstract = "This paper deals with an analysis on the optimum lap joint method of the YBCO coated conductor (CC) wire. Effective low resistance joint is important for the development of persistent current mode system using the second generation high temperature superconducting (2G HTS) wire, YBCO CC. CC tape is stacked with copper or stainless steel stabilizer, silver layer, YBCO layer, buffer and substrate. The joint between CCs was performed with low temperature InBi solder. YBCO samples with various contact conditions were fabricated and tested. Characteristics of jointed CC tape were evaluated from the V-I curve and contact resistance was derived from experimental results. Characteristics of jointed CC were investigated by electrical analysis and optical micrograph. The BSCCO wires were jointed at different conditions, and the results were compared with the joint between the YBCO CCs.",

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