RE-BASED OXIDE SUPERCONDUCTING ROD MATERIAL AND PROCESS FOR PRODUCING THE RE-BASED OXIDE SUPERCONDUCTING ROD MATERIAL

A RE-type oxide superconducting wire having excellent angular dependence for magnetic field of Jc is obtained by finely dispersing magnetic flux pinning centers into a superconductor. Amixed solution which comprises a metal-organic complex solution including a metal element which composes a RE-type...

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Main Authors IZUMI, TERUO, SHIOHARA, YUH, MIURA, MASASHI, NAKANISHI, TATSUHISA, SUTOH, YASUNORI
Format Patent
LanguageEnglish
French
German
Published 29.09.2010
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
CONDUCTORS
ELECTRICITY
INDUCTANCES
INORGANIC CHEMISTRY
INSULATORS
MAGNETS
METALLURGY
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:A RE-type oxide superconducting wire having excellent angular dependence for magnetic field of Jc is obtained by finely dispersing magnetic flux pinning centers into a superconductor. Amixed solution which comprises a metal-organic complex solution including a metal element which composes a RE-type oxide superconductor whose Ba content is reduced and a metal-organic complex solution including at least one or more kinds of metals which are selected from Zr, Ce, Sn, or Ti which has a larger affinity for Ba is coated onto an intermediate layer of a composite substrate, and the assembly is then calcined to disperse artificially and finely oxide particles (magnetic flux pinning centers) including Zr. Thus, the angular dependence for magnetic field (Jc ,min /Jc ,max ) of Jc can be remarkably improved.
Bibliography:Application Number: EP20080869390