Method to produce YBa sub 2 Cu sub 3 O sub 6+x superconducting wires or tapes
Patent
·
OSTI ID:5300403
This patent describes a method for making an improved ceramic superconductor YBa{sub 2}Cu{sub 3}O{sub 6 + x}. It comprises mixing a yttrium oxide with barium carbonate and copper oxide in the ratio of about 50 to about 100 gm of Y{sub 2}O{sub 3}, about 175 to about 200 gm of BaCO{sub 3} and about 105 to about 300 gm of CuO; ball milling the mixture with zirconia balls for at least one hour; calcining the mixture at 940{degrees} C. + or {minus} 2{degrees} C. with a heating sequence of about 3{degrees} C. to about 5{degrees} C. per minute; maintaining the temperature at 940{degrees} C. + or {minus} 2{degrees} C.
- Assignee:
- Secretary of the Navy, Washington, DC (United States)
- Patent Number(s):
- US 5063201; A
- Application Number:
- PPN: US 7-599605
- OSTI ID:
- 5300403
- Country of Publication:
- United States
- Language:
- English
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·
OSTI ID:5590045
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· Doklady Chemistry
·
OSTI ID:161943
Related Subjects
36 MATERIALS SCIENCE
360207 -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
665412* -- Superconducting Devices-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
COPPER COMPOUNDS
COPPER OXIDES
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FABRICATION
MAGNETIC STORAGE DEVICES
MAGNETIC TAPES
MEMORY DEVICES
MIXTURES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SUPERCONDUCTING WIRES
SUPERCONDUCTIVITY
TRANSITION ELEMENT COMPOUNDS
WIRES
YTTRIUM COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
360207 -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
665412* -- Superconducting Devices-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
COPPER COMPOUNDS
COPPER OXIDES
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FABRICATION
MAGNETIC STORAGE DEVICES
MAGNETIC TAPES
MEMORY DEVICES
MIXTURES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SUPERCONDUCTING WIRES
SUPERCONDUCTIVITY
TRANSITION ELEMENT COMPOUNDS
WIRES
YTTRIUM COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES