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Details of Grant 

EPSRC Reference: GR/M35321/01
Title: MEDIUM SCALE PROCESSING AND JOINING OF MELT PROCESSED YBCO FOR INDUSTRIAL APPLICATIONS
Principal Investigator: Cardwell, Professor DA
Other Investigators:
Cambell, Dr A Campbell, Professor AM
Researcher Co-Investigators:
Project Partners:
Advanced Ceramics Ltd EA Technology Johnson Matthey
Merck Ltd Pre Nexus Migration
Department: Superconductivity (IRC)
Organisation: University of Cambridge
Scheme: Standard Research (Pre-FEC)
Starts: 01 January 1999 Ends: 31 March 2002 Value (£): 239,139
EPSRC Research Topic Classifications:
Materials Processing Materials Synthesis & Growth
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
Melt processed YBCO has significant potential for application in a variety of high magnetic field devices. This potential, however, is limited severely both by the long processing times associated with the fabrication of this material and with microstructural inhomogeneities in samples of diameter greater than - 1cm. The latter limit current flow and hence trapped field. This project will address these limitations by (I) scaling-up the manufacture of high quality large grain YBCO fabricated by a seeded melt processing technique already established at the IRC and (ii) by developing a joining technique for the fabrication of large diameter monoliths which exhibit enhanced field-generating properties. The project will address all stages of manufacture, extending considerable preliminary work already undertaken at the IRC. It will include optimisation of an evaporative decomposition of solution technique (EDS) to generate high purity precursor powders which can be calcined at low temperatures, optimisation of green body formation, optimisation and scale-up of a seeded melt process and development of an effective grain joining process. The project will be performed in a broad collaboration with UK industry which will encompass all aspects of the materials technology from powder and ceramic processing all the way through to devices.
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Organisation Website: http://www.cam.ac.uk