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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creator | YAMADE SATORU 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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