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Synthesis and properties of thallium based superconducting wire and tape

Autor: S. Fox, S.K. Wivell, Crm Grovenor, J.C. Moore

We are investigating the potential for wire fabrication in the one-layer thallium superconducting systems by comparing the properties of wires and tapes prepared with the Tl-Sr-Ca-Cu-O and Tl-Ba-Ca-Cu-O phases doped with a variety of elements; in par

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f001c096ce084970eada49c14007e43
https://ora.ox.ac.uk/objects/uuid:aca33eae-c913-4d1f-99d8-6fba2996d79f

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Development of a melt processing route for the fabrication of Tl-1223 coils

Autor: S.K. Wivell, S. Fox, D.M.C. Hyland, Crm Grovenor, J.C. Moore, M.J. Naylor

Publikováno v: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 1996 Applied Superconductivity Conference. 7(2)

Tl-1223 tapes with engineering critical current densities, (E-Jc) values, of 2500Acm-2 can be routinely fabricated but the magnetic field properties are poor due to weak link effects. We have developed a partial melt processing route which results in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d0c718fced761e6059ab3fc6ef2019a
http://ora.ox.ac.uk/objects/uuid:10b79a96-aff5-4801-8890-a8632623a600

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Bending strain tolerance of critical current values in Tl-based superconducting tapes

Autor: M.J. Naylor, S.K. Wivell, J.C. Moore, Crm Grovenor, S. Fox

Publikováno v: SUPERCONDUCTOR SCIENCE and TECHNOLOGY. 10(4)

Mono- and multifilamentary silver-sheathed TI-1223 powder-in-tube (PIT) tapes have been strained by bending at 77 K. The changes in the critical current of the samples due to the bending strain have been related to the tape microstructure. The shapes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43c79ec6313be097fdfa29456731325c
http://ora.ox.ac.uk/objects/uuid:5c999531-ff95-4f5e-950d-4cbca280d3fe

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Processing of Cr-doped T1-1212 for use in wires and tapes

Autor: S.K. Wivell, D.C.H. Snowling, Crm Grovenor, J.C. Moore

Publikováno v: Physica C: Superconductivity. :3395-3396

The addition of Cr to T1SrCaCuO - 1212 phase has been shown to increase Tc above 100K and also to result in a much more platey growth morphology than is usually seen in this phase. This offers the opportunity for achieving texture in mechanically pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d66df0d318d3427c8ab6809133b158c3
https://doi.org/10.1016/0921-4534(94)91224-6

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