A NOVEL APPROACH TO FABRICATION OF NIOBIUM-TIN CONDUCTOR WITH ARTIFICIAL PINNING CENTERS

Award Information
Agency:
Department of Energy
Amount:
$75,000.00
Program:
SBIR
Contract:
N/A
Solitcitation Year:
N/A
Solicitation Number:
N/A
Branch:
N/A
Award Year:
1994
Phase:
Phase I
Agency Tracking Number:
27292
Solicitation Topic Code:
N/A
Small Business Information
Igc Advanced Superconductors
1875 Thomaston Ave, Waterbury, CT, 06704
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
N/A
Principal Investigator
 Dr Leszek R Motowidlo
 (203) 753-5215
Business Contact
Phone: () -
Research Institution
N/A
Abstract
THE SIGNIFICANCE OF ENGINEERED ARTIFICIAL PINNING CENTERS (APC) IN NIOBIUM-TITANIUM (NBTI) SUPERCONDUCTORS HAS BEEN RECOGNIZED WORLD WIDE AND TODAY IS ONE THE MOST IMPORTANT AREAS OF MATERIALS RESEARCH IN APPLIED SUPERCONDUCTIVITY. SO FAR THIS APPROACH HAS YIELDED RECORD HIGH CRITICAL CURRENTS (JC) BELOW 4 TESLA (T) FIELD RANGE AND AT SOME SELECT FIELDS ALMOST A FACTOR OF TWO BETTER, SURPASSING THAT OF THE CONVENTIONALLY OPTIMIZED NBTI WIRES. THE IMPORTANCE OF THE EXISTENCE OF A HIGH PERFORMANCE AND ECONOMICAL NIOBIUM-TITIANIUM (NB3SN) CONDUCTOR IN THE UNITED STATES IS THE MAIN JUSTIFICATION FOR THIS PHASE I EFFORT. THE PHASE I WORK WILL DETERMINE WHETHER THE ENGINEERING OF ARTIFICIAL PINNING CENTERS INTO NB3SN WIRE WILL HAVE SIGNIFICANT IMPACT ON THE CRITICAL CURRENT DENSITY. IN ADDITION TO POSSIBLE COST REDUCTION THROUGH INCREASED CONDUCTOR PERFORMANCE, THIS PHASE I PROJECT WILL INTRODUCE A NOVEL DESIGN APPROACH WHICH WILL HAVE FURTHER IMPACT ON COST REDUCTION BY ELIMINATING THE NEED FOR A DIFFUSION BARRIER AND THEREFORE ELIMINATING A SEPARATE STABILIZER BILLET TYPICAL OF TODAY'S INTERNAL TIN PROCESS.

* information listed above is at the time of submission.

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