METHOD FOR PRODUCING RESISTIVE-BARRIER COPPER TUBES TO MANUFACTURE SUPERCONDUCTORS AND CURRENT-CARRYING PARTS AROUND THEM

FIELD: superconductor engineering; manufacture of channel-type superconducting parts and contact joints in magnet wires of large superconducting magnetic systems. SUBSTANCE: slots are drilled in copper tube through depth equal to wall thickness, plates of resistive alloy and high- temperature solder...

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Bibliographische Detailangaben
Hauptverfasser:	NIKULIN A.D, DAVYDOV I.I, SHIKOV A.K, VOROB'EVA A.E, GRJAZNOV N.S, EGOROV S.A, SILAEV A.G
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Beschreibung
Zusammenfassung:	FIELD: superconductor engineering; manufacture of channel-type superconducting parts and contact joints in magnet wires of large superconducting magnetic systems. SUBSTANCE: slots are drilled in copper tube through depth equal to wall thickness, plates of resistive alloy and high- temperature solder are placed in slots, tube is soldered in vacuum and extruded at high temperature, this procedure being followed by cold rolling. In the process, resistive barriers are produced in copper channel parts whose size in radial direction equals wall thickness. EFFECT: eliminated energy loss due to suppressing eddy currents in channel-type superconducting parts. 2 cl, 1 exa