Synthese von Bi-Pb-Ca-Sr-Cu-O-orientierten polykristallinen Supraleitern

A particulate mixture comprised of Bi2CaSr2Cu2O8+/-x where x ranges from 0 to .5, Ca2CuO3, cupric oxide and lead oxide, wherein the Bi2CaSr2Cu2O8+/-x crystals are oriented with their c-axis at least sufficiently parallel to each other so as not to differ significantly from a common direction, is ini...

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Bibliographische Detailangaben
Hauptverfasser:	ARENDT, RONALD HENRY, SCHENECTADY, NEW YORK 12309, US, GARBAUSKAS, MARY FRANCES, CLIFTON PARK, NEW YORK 12065, US
Format:	Patent
Sprache:	ger
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:	A particulate mixture comprised of Bi2CaSr2Cu2O8+/-x where x ranges from 0 to .5, Ca2CuO3, cupric oxide and lead oxide, wherein the Bi2CaSr2Cu2O8+/-x crystals are oriented with their c-axis at least sufficiently parallel to each other so as not to differ significantly from a common direction, is initially reacted producing an intermediate swollen partially reacted product which is pressed to remove the swelling and then sintered to produce a superconductive Bi2-yPbyCa2Sr2Cu3O10+/-z body where y ranges from .1 to .5 and z ranges from zero to less than 1.