Development of Magnesium Diboride for Near Term HEP Applications

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-FG02-05ER84363
Agency Tracking Number: 79464S05-I
Amount: $600,000.00
Phase: Phase II
Program: SBIR
Awards Year: 2006
Solicitation Year: 2006
Solicitation Topic Code: 35
Solicitation Number: DE-FG02-06ER06-09
Small Business Information
1275 Kinner Road, Columbus, OH, 43212
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Matthew Rindfleisch
 (614) 481-8050
Business Contact
 Lawrence Tomsic
Title: Mr.
Phone: (614) 481-8050
Research Institution
Magnesium diboride (MgB2) is an emerging superconductor material, which offers the possibility of fabrication into multifilamentary strands from inexpensive starting materials using conventional metalworking processes. However, in order to be useful for high energy physics (HEP) applications, several improvements will be required. This project will develop technology to increase the in-field Jc, filling factor, filament count, and stability, the most relevant improvements for near term accelerator-related applications. Phase I successfully fabricated a 54 + 7 filament strand with good properties, extruded a 19 filament strand, fabricated multifilament strands with more conductive outer sheaths, improved fill factor by 50%, and increased mid-field performance of MgB2 strands using SiC additives. In order to develop MgB2 strands for HEP applications, Phase II will increase: (1) the filament count to 74, by investigating both CTFF-route and seamless tube niobium barriers; (2) the SC fill factor, with a goal of fabricating strands with a 30% fill factor; (3) strand stability, through the investigation of more conductive outer sheaths; and (4) Jc performance in the 3-5 T regime, through methods to improve connectivity and densification, and through the introduction of dopants. Commercial Applications and other Benefits as described by the awardee: In addition to the application to HEP, an improved MgB2 superconductor material should accelerate the wire being developed for other commercial applications, such as MRI systems, power utility transformers, generators, motors and military applications

* Information listed above is at the time of submission. *

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