Optimization of superconducting NbTi alloys. Final report
Technical Report
·
OSTI ID:7313859
The major practical applications of superconductors require high critical current densities at high fields. For NbTi alloys these values may be increased by adding copper and by carrying out an optimized heat treatment during production of the wires. Suitable methods were elaborated for melting the alloys, forming the ingots, and wire drawing. For copper surrounded wires (single filament) of a three-component alloy containing 2% Cu critical current densities could be achieved 50% higher compared to binary NbTi alloys. This increasing of current-carrying capacity may be explained from the microstructure of these alloys (electron microscope investigations). (auth)
- Research Organization:
- Krupp (Friedr.) G.m.b.H., Essen (Germany, F.R.)
- OSTI ID:
- 7313859
- Report Number(s):
- N-76-27413; BMFT-FB-T-75-35
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101 -- Metals & Alloys-- Preparation & Fabrication
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOY SYSTEMS
ALLOYS
COPPER ALLOYS
CRITICAL CURRENT
CRYSTAL STRUCTURE
CURRENT DENSITY
CURRENTS
DRAWING
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
FABRICATION
HEAT TREATMENTS
MATERIALS WORKING
MELTING
MICROSTRUCTURE
NIOBIUM ALLOYS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
TERNARY ALLOY SYSTEMS
TITANIUM ALLOYS
360101 -- Metals & Alloys-- Preparation & Fabrication
360104* -- Metals & Alloys-- Physical Properties
656102 -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOY SYSTEMS
ALLOYS
COPPER ALLOYS
CRITICAL CURRENT
CRYSTAL STRUCTURE
CURRENT DENSITY
CURRENTS
DRAWING
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
FABRICATION
HEAT TREATMENTS
MATERIALS WORKING
MELTING
MICROSTRUCTURE
NIOBIUM ALLOYS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SUPERCONDUCTIVITY
TERNARY ALLOY SYSTEMS
TITANIUM ALLOYS