A New Multifilament Round Wire with Enhanced Bi2212 Texture for HEP High Field Magnet Applications
Future research using High Energy Physics (HEP) accelerators will seek higher energy collisions, which in turn will require energy and luminosity. More luminosity means larger apertures and bigger magnets. The development of high field magnets will require higher performance Bi2212 conductors at lower cost. To improve the critical current density and develop lower cost processing, this project will develop and demonstrate a single-stack, powder-in-tube (PIT) Bi2212 conductor with aspected 2212 filaments. In Phase I, Bi2212 mono-elements will be prepared and shaped into aspected elements. These elements will be restacked into a multifilament design with enhanced silver/2212 interfaces. Successful demonstration of Phase I processing will provide guidance for scale-up work in Phase II. Commercial Applications and other Benefits as described by the awardee: The improved cost and performance of this new PIT Bi2212 conductor should have an immediate benefit for high field magnets in HEP applications. Another important application includes nuclear magnetic resonance (NMR), which is on the verge of a technological explosion with requirements for use in chemical research, biochemistry, pharmaceutical chemistry, polymer science, petroleum research, agricultural chemistry, and medicine.
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