Joint characteristics of YBCO coated conductor by removing a metallic stabilizer

Ki Sung Chang; Hyounkyu Kim; Dong Keun Park; Tae Kuk Ko; Min Cheol Ahn; Don Hyung Ha; Jung Bin Song; Sang Jin Lee; Ho Min Kim; Haigun Lee

doi:10.1109/TASC.2008.920811

Joint characteristics of YBCO coated conductor by removing a metallic stabilizer

Ki Sung Chang
, Hyounkyu Kim
, Dong Keun Park
, Tae Kuk Ko
, Min Cheol Ahn
, Don Hyung Ha
, Jung Bin Song
, Sang Jin Lee
, Ho Min Kim
, Haigun Lee

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

This paper presents the development status of joint method between the superconducting YBCO coated conductors (YBCO CC). In general, the YBCO-CC tape consists of an upper stabilizer, substrate, buffer, YBCO and a bottom stabilizer. It is suggested that the stabilizer between the two YBCO-CC tapes need to be removed, in order to improve the characteristics of the joints. The removing process was conducted by using heat and partial etching. The resistance and critical current of the joints were measured from the V - I curve. The optical micrographs were analyzed for microstructures between the joint areas. After several times of over current test, the critical currents of the various types of joint samples were examined for applying to the high temperature superconducting magnet system.

Original language	English
Article number	4511473
Pages (from-to)	1220-1223
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	18
Issue number	2
DOIs	https://doi.org/10.1109/TASC.2008.920811
Publication status	Published - 2008 Jun

Bibliographical note

Funding Information:
Manuscript received August 29, 2007. This work was supported by KESRI(R-2005-7-090), which is funded by MOCIE (Ministry of commerce, industry and energy). K. S. Chang, H. Kim, D. K. Park and T. K. Ko are with the Electrical & Electronic Engineering Department, Yonsei University, Seoul, 120-749, Korea. M. C. Ahn is with FBML/MIT, Cambridge, MA 02139, USA. S. J. Lee is with the Department of Electrical Engineering, Uiduk University, Kyoungju, Korea. H. M. Kim is with Korea Electrotechnology Research Institute, Changwon, Korea. D.-H. Ha, J.-B. Song and H. G. Lee are with the Department of Material Science and Engineering, Korea University, Seoul, Korea (e-mail: [email protected]). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TASC.2008.920811

Keywords

Coated conductor
Joint
Stabilizer
YBCO

ASJC Scopus subject areas

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

Access to Document

10.1109/TASC.2008.920811

Cite this

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title = "Joint characteristics of YBCO coated conductor by removing a metallic stabilizer",

abstract = "This paper presents the development status of joint method between the superconducting YBCO coated conductors (YBCO CC). In general, the YBCO-CC tape consists of an upper stabilizer, substrate, buffer, YBCO and a bottom stabilizer. It is suggested that the stabilizer between the two YBCO-CC tapes need to be removed, in order to improve the characteristics of the joints. The removing process was conducted by using heat and partial etching. The resistance and critical current of the joints were measured from the V - I curve. The optical micrographs were analyzed for microstructures between the joint areas. After several times of over current test, the critical currents of the various types of joint samples were examined for applying to the high temperature superconducting magnet system.",

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AU - Ha, Don Hyung

AU - Song, Jung Bin

AU - Lee, Sang Jin

AU - Kim, Ho Min

AU - Lee, Haigun

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N2 - This paper presents the development status of joint method between the superconducting YBCO coated conductors (YBCO CC). In general, the YBCO-CC tape consists of an upper stabilizer, substrate, buffer, YBCO and a bottom stabilizer. It is suggested that the stabilizer between the two YBCO-CC tapes need to be removed, in order to improve the characteristics of the joints. The removing process was conducted by using heat and partial etching. The resistance and critical current of the joints were measured from the V - I curve. The optical micrographs were analyzed for microstructures between the joint areas. After several times of over current test, the critical currents of the various types of joint samples were examined for applying to the high temperature superconducting magnet system.

AB - This paper presents the development status of joint method between the superconducting YBCO coated conductors (YBCO CC). In general, the YBCO-CC tape consists of an upper stabilizer, substrate, buffer, YBCO and a bottom stabilizer. It is suggested that the stabilizer between the two YBCO-CC tapes need to be removed, in order to improve the characteristics of the joints. The removing process was conducted by using heat and partial etching. The resistance and critical current of the joints were measured from the V - I curve. The optical micrographs were analyzed for microstructures between the joint areas. After several times of over current test, the critical currents of the various types of joint samples were examined for applying to the high temperature superconducting magnet system.

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Joint characteristics of YBCO coated conductor by removing a metallic stabilizer

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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