CERAMIC SUPERCONDUCTIVE MATERIAL

PURPOSE:To obtain inexpensively and easily a superconductor having a critical point higher than the boiling point of liquid nitrogen, which is composed of a sintered product from a specifically composed oxide mixture of Al, Ba and Cu. CONSTITUTION:Oxides or carbonates of Al, Ba, and Cu such as Al2O3...

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Bibliographische Detailangaben
Hauptverfasser:	IIJIMA KENZABURO, HOSHI TOSHIHARU, SADA GAKUO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS LIME, MAGNESIA METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain inexpensively and easily a superconductor having a critical point higher than the boiling point of liquid nitrogen, which is composed of a sintered product from a specifically composed oxide mixture of Al, Ba and Cu. CONSTITUTION:Oxides or carbonates of Al, Ba, and Cu such as Al2O3, BaCO3, and CuO, are mixed in amounts corresponding to the composition of the target sintered product, calcined, and crushed. The resultant powder is molded by compression and sintered to give a super conductor of a sintered oxide having a composition of the formula (1.0x