Method for producing Bi-series high-temperature superconductive wire

A high-temperature superconductivity, wire technology, applied in the usage of superconductor elements, superconducting/high-conducting conductors, superconducting devices, etc., can solve problems such as complicated methods
CN100573743CActive Publication Date: 2009-12-23INNOVA SUPERCONDUCTOR TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INNOVA SUPERCONDUCTOR TECH
Publication Date
2009-12-23

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Abstract

A production method of a Bi high temperature superconductor of a BSCCO-2212 or BSCCO-2213 main phrase includes the following steps: the conductor is composed by a core with a main phrase of BSCCO-2212 or BSCCO-2213 and at least one metal base covering around the core; heat treatment the conductor to isolate crackles and holes on the conductor from gas media; high pressure heat treatment the conductor with the pressure within 5MPa and 200 MPa.
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Description

technical field

[0001] The invention relates to a Bi-based high-temperature superconducting wire, in particular to a method for preparing a Bi-based high-temperature superconducting wire with BSCCO-2212 or BSCCO-2223 as the main phase. Background technique

[0002] With the increasing application of high-temperature superconducting technology, the market demand for high-temperature superconducting wires will increase. At present, the Bi-based high-temperature superconducting wire is the only high-temperature superconducting wire that can be mass-produced. Drawing, extrusion and other machining processes are formed, and finally deformation heat treatment is carried out. The deformation heat treatment refers to the addition of necessary mechanical deformation means between the heat treatment processes at each stage to improve the density and texture of the superconducting core in the superconducting wire. A typical deformation heat treatment process mainly includes the follow...

Claims

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