Nb3Sn SUPERCONDUCTOR WIRE AND METHOD FOR MANUFACTURING Nb3Sn SUPERCONDUCTOR WIRE
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United States of America Patent
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Issued Date -
Feb 28, 2013
app pub date -
Aug 23, 2012
filing date -
Aug 25, 2011
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Abandoned
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Abstract
An Nb3Sn superconductor wire is manufactured by heating a precursor for an Nb3Sn superconductor wire. The precursor includes a Cu tube made of Cu or Cu-alloy, assemblies, each of which includes Nb filaments disposed in the Cu tube, and each of the Nb filaments includes an Nb core made of Nb or Nb-alloy. Each of the assemblies also includes Sn filaments disposed in the Cu tube, and each of the Sn filaments includes a Sn core made of Sn or Sn-alloy. The precursor also includes reinforcing filaments disposed in the Cu tube for dividing the assemblies such that the assemblies are not adjacent to each other. By heating the precursor, Sn in the Sn core is diffused into the Nb core to produce Nb3Sn.
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