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Applied Superconductivity Research - University of Cambridge B.A.Glowacki Bartek A. Glowacki Reader in Applied Superconductivity IRC in Superconductivity.

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Presentation on theme: "Applied Superconductivity Research - University of Cambridge B.A.Glowacki Bartek A. Glowacki Reader in Applied Superconductivity IRC in Superconductivity."— Presentation transcript:

1 Applied Superconductivity Research - University of Cambridge B.A.Glowacki Bartek A. Glowacki Reader in Applied Superconductivity IRC in Superconductivity & Department of Materials Science and Metallurgy UNIVERSITY OF CAMBRIDGE Superconducting materials for electric power: cable, transformer, FCL Superconductivity and the electricity supply industries 27th November 2003, London

2 Applied Superconductivity Research - University of Cambridge B.A.Glowacki Market and material projections: (a) Price/performance of NbTi, Bi2223 and YBCO conductors versus years; (b) Projections of the LTS and HTS market which is sheared between electronics, power, industrial processing, medical care and transportation. 1995 estimation conducted at International Superconductivity Industry Summit, Yamanashi 1996, numbers corrected according to data in early 2003 (solid lines). Corrected projection conducted at Cambridge University in 2003. Military use of expensive Coated Conductors is different from civilian market. Development of YBCO coated conductor is a technology driver, not a Cu or Fe replacement. 1. LTS & HTS market prediction

3 Applied Superconductivity Research - University of Cambridge B.A.Glowacki Current x length prediction vs time? LTS or HTS or MTS ? Projections of the LTS and HTS market which is sheared between: electronics, power, industrial processing, medical care and transportation. 1996 estimation conducted at International Superconductivity Industry Summit, Yamanashi 1996, numbers corrected according to data in early 2003 (solid lines). TODAY Conductor technology

4 Applied Superconductivity Research - University of Cambridge B.A.Glowacki 1. LTS J c vs B Transport critical current density vs magnetic field: (a) low temperature superconductors and MgB 2 (b) Low temperature superconductors Nb-Al. (a)(b)

5 Applied Superconductivity Research - University of Cambridge B.A.Glowacki MRI NMR Nb-Ti Cu Nb 3 Sn NbTi

6 Applied Superconductivity Research - University of Cambridge B.A.Glowacki LTS generators and cables

7 Applied Superconductivity Research - University of Cambridge B.A.Glowacki Performance of LTc, MTc and HTc Superconducting conductors Transport critical current density vs magnetic field: (a) low and medium temperature superconductors 1, (b) high temperature superconductors.

8 Applied Superconductivity Research - University of Cambridge B.A.Glowacki Applications

9 Applied Superconductivity Research - University of Cambridge B.A.Glowacki Ta 2-10 wt.% ex-situ and in - situ bulks; high-pressure synthesis. @ 20K APPLICATIONS

10 Applied Superconductivity Research - University of Cambridge B.A.Glowacki Compositional Applicability of YBaCuO conductors and bulk materials Contour lines of T c, J c and normalised diamagnetic signal intensity on the fragment of the Y 2 BaCuO 5 -BaCu 2 -CuO phase diagram marked in (a) critical temperature T c (K); (b) critical current density J c (Acm -2 ) at 77K and 0 Tesla; (c) normalised diamagnetic signal intensity. Purification of the Grain Boundaries by excess of Y (red dot)

11 Applied Superconductivity Research - University of Cambridge B.A.Glowacki REBa 2 Cu 3 O 7 Coated Conductor R&D


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