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    • 3. 发明授权
    • Superconducting coil and manufacturing method thereof
    • 超导线圈及其制造方法
    • US5708405A
    • 1998-01-13
    • US538938
    • 1995-10-04
    • Hideshige MoriyamaHiroki SekiyaTamiko HirumachiHisayasu MitsuiSusumu MineTakahiro TsuchihashiAkio TanakaSei MuraiTakayuki KobayashiHiroshi Hatano
    • Hideshige MoriyamaHiroki SekiyaTamiko HirumachiHisayasu MitsuiSusumu MineTakahiro TsuchihashiAkio TanakaSei MuraiTakayuki KobayashiHiroshi Hatano
    • H01F6/06H01F41/04H01F5/02H01F5/06H01F6/08
    • H01F41/048H01F6/06Y10S505/705Y10S505/879
    • A superconducting coil bas a winding wire portion which is formed by winding a superconducting wire covered with an insulating material around a winding frame composed of such a material that its modulus of longitudinal elasticity is 50 (GPa) or greater, and its thermal contraction rate between a room temperature and a temperature of 77 (K) is 0.35% or above while applying a tensile force thereto, and a bonding material impregnated between the superconducting wires and is then solidified by a heat treatment to reduce a contact surface pressure between the winding wire portion and the winding frame, preventing transition to a normal conductive state. A method for manufacturing superconducting coil having a step of forming a winding wire portion by winding a winding frame with insulation superconducting wires in a plurality of lines and in a plurality of layers while applying a tensile force thereto, the method includes a step of setting a winding tensile force of the insulation superconducting wires larger in intermediate through external layers apart from the winding frame than in an internal layer close to the winding frame or a step of forming a non-acute angled cavity between the curved surfaces to restrain the occurrences of a crack and the exfoliation of the winding wire portion and generation of quench due to the electromagnetic force when exciting the coil.
    • 超导线圈基于绕组线部分,其通过将由绝缘材料覆盖的超导线缠绕在由其纵向弹性模量为50(GPa)或更大的材料构成的绕组框架周围而形成,并且其间的热收缩率在 当施加拉力时,室温和77(K)的温度为0.35%以上,并且浸渍在超导线之间的接合材料然后通过热处理固化,以减小绕组线之间的接触表面压力 部分和绕组框架,防止转变到正常导电状态。 一种制造超导线圈的方法,具有通过在施加拉力的同时在多条线和多层中缠绕具有绝缘超导线的绕组框架来形成绕组线的步骤,该方法包括以下步骤: 绝缘超导线的缠绕张力在中间通过外部层与绕组框架之间比在接近绕组框架的内部层更大的拉伸张力或在弯曲表面之间形成非锐角的空腔的步骤,以限制 裂纹和绕组线部分的剥离以及在激励线圈时由于电磁力而产生淬火。