MANUFACTURING METHOD OF BISMUTH2223 OXIDE SUPERCONDUCTING WIRE ROD, BISMUTH2223 OXIDE SUPERCONDUCTING WIRE ROD AND ITS METALLIC TUBE

PROBLEM TO BE SOLVED: To provide a manufacturing method capable of obtaining Bi2223 oxide superconducting wire rods retaining a higher critical current value. SOLUTION: The manufacturing method of Bi2223 oxide superconducting wire rods is characterized as providing a filling step of filling precurso...

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Hauptverfasser: YAMADE SATORU, FUJIGAMI JUN
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FUJIGAMI JUN
description PROBLEM TO BE SOLVED: To provide a manufacturing method capable of obtaining Bi2223 oxide superconducting wire rods retaining a higher critical current value. SOLUTION: The manufacturing method of Bi2223 oxide superconducting wire rods is characterized as providing a filling step of filling precursor powder into a metal tube consisting of silver or silver alloy having a plurality of nearly regular hexagonal cross-sectional through-holes which are arranged in a honeycomb shape in the cross-section of the tube perpendicular to a length direction, a drawing step of drawing the metallic tube filled with the precursor powder, a rolling step of rolling the drawn metallic tube, and a heat-treating step of heat-treating the rolled metallic tube. COPYRIGHT: (C)2010,JPO&INPIT
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subjects BASIC ELECTRIC ELEMENTS
CABLES
CONDUCTORS
ELECTRICITY
INSULATORS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
title MANUFACTURING METHOD OF BISMUTH2223 OXIDE SUPERCONDUCTING WIRE ROD, BISMUTH2223 OXIDE SUPERCONDUCTING WIRE ROD AND ITS METALLIC TUBE
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