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Multifilamentary oxide superconducting wire and method of producing the same, and stranded oxide superconducting wire and method of producing the same
Multifilamentary oxide superconducting wire and method of producing the same, and stranded oxide superconducting wire and method of producing the same
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机译:多丝氧化物超导线及其制造方法,多股氧化物超导线及其制造方法
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摘要
A multifilamentary oxide superconducting wire (10) having a low aspect ratio and a relatively high critical current density, and being suitable for a stranded wire (30), is provided. In order to produce such a wire, a tape-shaped, multifilamentary oxide superconducting wire (70) prepared by the powder-in-tube process is cut along its length. The resulting multifilamentary oxide superconducting wires (10) have a width smaller than that of the tape-shaped wire (70). The resulting wires typically have an aspect ratio of one to two. The filaments (12) of the resulting wires are in the shape of a ribbon extending in the longitudinal direction, and arranged substantially parallel to each other and in layers. The filaments have an aspect ratio greater than two. The filaments include a filament (12a,b,c) having a portion substantially not covered with the stabilizer (11).
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