Method for preparing Nb3Al superconducting material by using electrical co-deoxidization method

The invention relates to a method for preparing a Nb3Al superconducting material by using an electrical co-deoxidization method, belonging to the technical filed of metal material manufacturing. The method is characterized by comprising the following steps of: mixing, pressing and sintering high-pur...

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Bibliographische Detailangaben
Hauptverfasser:	XIE DAHAI, WANG XINGQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CABLES CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY CONDUCTORS ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS INSULATORS METALLURGY PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention relates to a method for preparing a Nb3Al superconducting material by using an electrical co-deoxidization method, belonging to the technical filed of metal material manufacturing. The method is characterized by comprising the following steps of: mixing, pressing and sintering high-purity Nb2O5 and Al2O3 powder to obtain sintered blocks, taking the obtained niobium-aluminum oxide sintered blocks as a cathode, taking graphite as an anode, and performing electrochemical process treatment in a CaCl2-NaCl molten salt electrolyte and under the protection of Ar gas; preparing a co-deoxidized niobium-aluminum composite powder material; densifying the niobium-aluminum composite powder material through liquid-phase sintering, alloying the densified niobium-aluminum composite materialat the high-temperature of 1400-1700 DEG C and under the protection of Ar gas; and finally preparing the Nb3Al intermetallic compound superconducting material.