Method of preparing MgB2 superconducting wire and the MgB2 superconducting wire prepared thereby
AssigneeKorea Institute of Machinery & Materials
InventorsKook-Chae Chung, Tae-Hoon Kim, Soon-Tae Ahn, Bharat Sinha Bhavesh
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Abstract
Disclosed herein is a method of preparing a MgB2 superconducting wire and the MgB2 superconducting wire prepared thereby. The method comprising rolling a raw powder by using a powder rolling method. According to the method of the present invention has an effect of increasing an effective area where superconducting current can flow by improvement of the connectivity of a MgB2 superconducting powder and achievement of high density through a powder rolling process, and maintaining an uniform current value even in a large length because of the improvement of the connectivity.
Claims18
A method of preparing a MgB2 superconducting wire, the method comprising the steps of:
- preparing a raw powder for the MgB2 superconducting wire;
- providing the raw powder between a pair of rolling rolls without a tube for powder roll compaction, wherein the raw powder is provided through an outlet of a hopper that is positioned adjacent to an inlet of the rolling rolls;
- and
- rolling the raw powder to compact it and produce the MgB2 superconducting wire.
A method of preparing a MgB2 superconducting wire, the method comprising the steps of:
- preparing a raw powder for the MgB2 superconducting wire;
- providing the raw powder between a pair of rolling rolls for powder roll compaction,
- wherein the raw powder is not within a tube when provided between the pair of rolling rolls;
- and
- rolling the raw powder to compact it and produce the MgB2 superconducting wire.
Dependencies are inferred from the claim text.