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ENHANCEMENT OF TRANSPORT CURRENT DENSITY IN YBA2CU3O7-X SUPERCONDUCTORS USING…

Award Information

Agency:
Department of Energy
Branch:
N/A
Award ID:
7734
Program Year/Program:
1988 / SBIR
Agency Tracking Number:
7734
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Supercon, Inc.
830 Boston Turnpike Shrewsbury, MA 01545-3386
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Woman-Owned: No
Minority-Owned: Yes
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1988
Title: ENHANCEMENT OF TRANSPORT CURRENT DENSITY IN YBA2CU3O7-X SUPERCONDUCTORS USING DUAL-TEMPERATURE EXTRUSION PROCESSING
Agency: DOE
Contract: N/A
Award Amount: $50,000.00
 

Abstract:

TREMENDOUS EXCITEMENT AND INTEREST HAS BEEN GENERATED IN RECENT MONTHS OVER THE DISCOVERY OF THE YBA(2)CU(3)O(7-X) (123) LIQUID NITROGEN SUPERCONDUCTORS. HOWEVER, THIS EXCITEMENT HAS BEEN TEMPERED BY THE INABILITY TO ACHIEVE LARGE TRANSPORT CURRENT DENSITIES (J(C)S) IN BULK-PROCESSED POLYCRYSTALLINE MATERIALS BECAUSE OF WEAK-LINK BEHAVIOR. THESE WEAK-LINKS HAVE TWO POSSIBLE ORIGINS; FIRSTLY, THE PRESENCE OF NON-SUPERCONDUCTING PHASES AT THE GRAIN BOUNDARIES AND, SECONDLY, THE INTRINSIC ANISOTROPY OF THE SUPERCONDUCTIVITY IN THE HIGH CRITICAL TEMPERATURE SUPERCONDUCTORS. IN THIS PROJECT THE 123 POWDERS WILL BE PROCESSED AVOIDING THE PRESENCE OF A NON-SUPERCONDUCTING BACUO(2)-CUO EUTECTIC, WITH A MELTING TEMPERATURE OF ABOUT 900 DEGREES CENTIGRADE, AND DUAL-TEMPERATURE EXTRUSION TECHNIQUES WILL BE USED TO COLD WORK AND DENSIFY THE POWDERS. INITIAL EXPERIMENTS SHOW ENCOURAGING RESULTS, GIVING CERAMIC FIBERS WITH 90% GREEN DENSITY.

Principal Investigator:

Dr donald w capone
0

Business Contact:

Elaine Drew
6171420174
Small Business Information at Submission:

Supercon Inc
830 Boston Turnpike Shrewsbury, MA 01545

EIN/Tax ID:
DUNS: N/A
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No