Superconducting joints of Bi-2212/Ag tapes and laminates

Ilyushechkin, A.Y., Yamashita, T., Talbot, P.C., & Mackinnon, I.D.R. (2000) Superconducting joints of Bi-2212/Ag tapes and laminates. Superconductor Science and Technology, 13(9), pp. 1296-1301.

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Abstract

Different types of HTS joints of Bi-2212/Ag tapes and laminates, which are fabricated by dip-coating and partial-melt processes, have been investigated. All joints are prepared using green single and laminated tapes and according to the scheme: coating-joining-processing. The heat treated tapes have critical current (Ic) between 7 and 27 A, depending on tape thickness and the number of Bi-2212 ceramic layers in laminated tapes. It is found that the current transport properties of joints depend on the type of laminate, joint configuration and joint treatment, Ic losses in joints of Bi-2212 tapes and laminates are attributed to defects in their structure, such as pores, secondary phases and misalignment of Bi-2212 grains near the Ag edges. By optimizing joint configuration, current transmission up to 100% is achieved for both single tapes and laminated tapes.

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ID Code: 57454
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By (since 1996): 1
Export Date: 19 February 2013
Source: Scopus
CODEN: SUSTE
Language of Original Document: English
Correspondence Address: Ilyushechkin, A.Y.; Univ of Queensland, St Lucia
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Keywords: Defects, Electric currents, Laminates, Tapes, Transport properties, Dip coating, Partial melt process, Superconducting joints, High temperature superconductors, Copper oxide superconductors
DOI: 10.1088/0953-2048/13/9/302
ISSN: 0953-2048
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Ceramics (091201)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Functional Materials (091205)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 26 Feb 2013 01:41
Last Modified: 26 Feb 2013 01:41

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