Method for producing superconducting wires and stripes based on the compound MgB2
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United States of America Patent
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N/A
Issued Date -
Nov 7, 2002
app pub date -
Mar 21, 2002
filing date -
Mar 22, 2001
priority date (Note) -
Abandoned
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Abstract
A method for creating a long superconducting wire and tape materials that can be loaded with high current densities using MgB.sub.2. The method is based on the powder-in-the-tube technology. In this process, there is a composite consisting of a cover tube made of material with normal conductivity, and a powder of a superconducting compound or a preliminary product. This powder compound contained in this cover tube, are processed by reshaping and thermal treatment steps to the superconducting wire or tape material. According to the invention, a composite is supplied to the processing process that contains a powdery superconducting MgB.sub.2 compound or a powdery preliminary product for a superconducting MgB.sub.2 compound. The powdery preliminary product, has been only partially reacted to an MgB compound, or is a powder mixture consisting of the individual components of the desired MgB.sub.2 compound. This product is filled into the cover tube.
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