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    • 2. 发明公开
    • SUPERCONDUCTING WIRE, SUPERCONDUCTING WIRE PRECURSOR BODY AND FABRICATION METHOD THEREOF, AND SUPERCONDUCTING MULTI-CORE CONDUCTOR PRECURSOR BODY
    • 超导线材PRE BODY的超导线材,加工为超导多芯导体产生与PRE BODY
    • EP2843671A1
    • 2015-03-04
    • EP13782254.0
    • 2013-04-25
    • The University of TokyoHitachi, Ltd.
    • KODAMA MotomuneTANAKA KazuhideSHIMOYAMA JunichiYAMAMOTO Akiyasu
    • H01B12/04C01B35/04C01G1/00H01B12/08H01B13/00H01F6/06
    • H01B12/04C01B35/04H01F6/06H01L39/141H01L39/2487Y10T428/12097
    • Provided are a superconducting wire, etc. having a wire length which is sufficiently longer than that of the conventional one, and a critical current density which is uniformly high over the entire length thereof. A density of the magnesium diboride core (1) is 1.5g/cm 3 or higher. In a void (4) which is present in an arbitrary longitudinal cross-section in the longitudinal direction of the superconducting wire (10), when a length of a line segment which connects the most distant two points in a closed curve forming the void (4) is assumed to be L, among the voids (4) with length L of 20 µm or greater, the number of voids (4) with an angle formed by the line segment and the axis in the longitudinal direction of the superconducting wire (10) of 45° or greater is less than the number of voids (4) with the angle formed by the line segment and the axis in the longitudinal direction of the superconducting wire (10) of smaller than 45°. In an arbitrary 100µm region of the longitudinal direction of the longitudinal cross-section, when a virtual straight line approximated by the least squares method is drawn for a boundary curve between the magnesium diboride core (1) and the metal sheath (2), the distance between the approximate straight line and the boundary curve is 10 µm or less.
    • 本发明提供一种超导线材等具有导线长度全部,这比传统的一个足够长,并且临界电流密度所有这一切是在其整个长度一致高。 二硼化镁芯(1)的密度为1.5克/厘米3或更高。 在空隙(4)的所有其存在于在任意的纵向截面中的超导导线的纵向方向(10)时的最远的两个点中的闭合曲线形成的空隙连接的线段的长度( (4)被假定为L时,空隙(4)具有20微米或更大,空洞数长度L中(4)与由所述线段和在超导导线的纵向方向的轴所成的角度 10)45°或更大小于空隙的数目(4)与由所述线段并在小于45°的超导线材(10)的纵向方向的轴形成的角度。 在所述纵向横截面中,当通过最小二乘法近似的虚拟直线被绘制为二硼化镁芯(1)之间的边界曲线的长度方向的任意100微米区域和所述金属护套(2),所述 的近似直线和边界曲线之间的距离是10微米或更小。
    • 10. 发明公开
    • METHOD AND APPARATUS FOR PRODUCING KEYSTONE TYPE SUPERCONDUCTING FORMED STRAND
    • 用于生成形超导的方法和设备STRANGENS自KEYSTONE TYPE
    • EP1331649A1
    • 2003-07-30
    • EP01948013.6
    • 2001-07-13
    • The Furukawa Electric Co., Ltd.
    • WADA, Katsunori, c/o THE FURUKAWA ELECTR. CO., LTDSHIMADA, Tatsuo, THE FURUKAWA ELECTR. CO., LTD.
    • H01B13/00H01B12/08H01B13/02B21F21/00
    • H01F41/048B21B1/16B21B13/103B21B13/12B21C3/08B21C37/045H01B12/08H01B13/0006H01F6/06Y02E40/641
    • The present invention relates to a method and an apparatus for manufacturing keystone type superconducting compacted stranded wires. In manufacturing the keystone type superconducting compacted stranded wires, a large number of superconducting wires are stranded to form stranded wires, which are then roll-formed. The method and apparatus are configured so that, in the roll-forming, one side of the compacted stranded wires, which is thinner than the other side thereof after being roll-formed, comes into contact with one flat roll before the other side of the compacted stranded wires comes into contact with another flat roll. The method and apparatus are provided as another configuration wherein one flat roll to contact with the compacted stranded wires to be thicker is smaller in diameter than another flat roll to contact with the compacted stranded wires to be thinner. There is provided another configuration wherein one flat roll to contact with the compacted stranded wires to be thicker is located backward in roll axis position than another flat roll to contact with the compacted stranded wires to be thinner.
    • 本发明涉及一种方法和一种用于制造梯形型超导压制绞合线装置。 在制造压实绞线梯形型超导,大量超导线的绞合,以形成绞合线,然后轧制成的哪个。 该方法和装置被配置成使得,在压实绞合线的辊轧成形,一面,所有正被辊轧成形后其比另一侧变薄,进入与一个平辊接触的另一侧之前 压实的绞合线接触到另一平辊接触。 该方法和装置被提供为另一配置worin一个平辊与所述压实绞合线接触要厚一些的直径小于另一平辊较小的与压实绞合线接触更薄。 提供了另一种配置worin一个平辊与所述压实绞合线接触要厚于比另一个平辊轧辊轴线位置向后位于与压实绞合线接触更薄。