公开(公告)号：US20230215604A1

公开(公告)日：2023-07-06

申请号：US18183913

申请日：2023-03-14

Applicant: LUVATA WATERBURY, INC.

Inventor： Taeyoung PYON ,  Antti KILPINEN

IPC: H10N60/01 ,  H01B12/10

CPC classification number: H10N60/0128 ,  H10N60/0184 ,  H01B12/10

Abstract: A method for manufacturing a superconductor is described. A metal assembly precursor can be formed within a hollow copper support element. Forming the metal assembly precursor within a hollow copper support element by positioning a plurality of conductor elements about a core including Sn to provide a first plurality of inner interstitial spaces between the plurality of conductor elements between the core and conductor elements and a second plurality of outer interstitial spaces between the hollow copper support element and the core, the plurality of conductor elements including unreacted Nb. The metal assembly precursor can be reduced via cold drawing to produce a reduced metal assembly. The reduced metal assembly can be reaction heat treated so that the unreacted Nb undergoes a phase transformation to a reacted superconductor.

公开(公告)号：US20230187104A1

公开(公告)日：2023-06-15

申请号：US18092986

申请日：2023-01-04

Applicant: David B. SMATHERS ,  Paul R. AIMONE

Inventor： David B. SMATHERS ,  Paul R. AIMONE

IPC: H01B12/10 ,  H10N60/20 ,  H10N60/85 ,  H01B12/06

CPC classification number: H01B12/10 ,  H10N60/20 ,  H10N60/85 ,  H01B12/06 ,  H10N60/0156

Abstract: In various embodiments, superconducting wires incorporate diffusion barriers composed of Ta alloys that resist internal diffusion and provide superior mechanical strength to the wires.

公开(公告)号：US20230024897A1

公开(公告)日：2023-01-26

申请号：US17954628

申请日：2022-09-28

Applicant: David B. SMATHERS ,  Paul AIMONE

Inventor： David B. SMATHERS ,  Paul AIMONE

IPC: H01B12/10 ,  H01L39/12 ,  H01L39/14 ,  H01B12/06

Abstract: In various embodiments, superconducting wires incorporate diffusion barriers composed of Nb alloys or Nb—Ta alloys that resist internal diffusion and provide superior mechanical strength to the wires.

公开(公告)号：US11495372B2

公开(公告)日：2022-11-08

申请号：US17130399

申请日：2020-12-22

Applicant: David B. Smathers ,  Paul Aimone

Inventor： David B. Smathers ,  Paul Aimone

IPC: H01B12/10 ,  H01L39/12 ,  H01L39/14 ,  H01B12/06 ,  H01L39/24

Abstract: In various embodiments, superconducting wires incorporate diffusion barriers composed of Nb alloys or Nb—Ta alloys that resist internal diffusion and provide superior mechanical strength to the wires.

公开(公告)号：US20220005632A1

公开(公告)日：2022-01-06

申请号：US17280666

申请日：2019-09-20

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Masahiro SUGIMOTO ,  Hirokazu TSUBOUCHI ,  Kota KATAYAMA ,  Hideki II

IPC: H01B12/10 ,  H01B12/14 ,  H01F6/06 ,  H01F41/04

Abstract: An insulation-coated compound superconducting wire includes a compound superconducting wire having a compound superconducting part which includes a first matrix and a plurality of compound superconducting filaments containing compound superconducting phases, a reinforcing part disposed on the outer circumferential side of the compound superconducting part and includes a plurality of reinforced filaments, a second matrix and a second stabilizing material. A stabilizing part is disposed on at least one side among the inner circumferential side and the outer circumferential side of the reinforcing part. An electrical insulation part covers the outer circumferential surface of the compound superconducting wire, in which the insulation-coated compound superconducting wire has a critical current value (Ic) larger than that of the compound superconducting wire before being covered with the electrical insulation part.

公开(公告)号：US10741309B2

公开(公告)日：2020-08-11

申请号：US16682075

申请日：2019-11-13

Applicant: David Smathers ,  Paul Aimone

Inventor： David Smathers ,  Paul Aimone

IPC: H01B12/10 ,  H01L39/12 ,  H01B12/06 ,  H01L39/14 ,  H01L39/24

Abstract: In various embodiments, superconducting wires incorporate diffusion barriers composed of Ta alloys that resist internal diffusion and provide superior mechanical strength to the wires.

公开(公告)号：US20200090835A1

公开(公告)日：2020-03-19

申请号：US16092231

申请日：2017-03-10

Applicant: HITACHI, LTD.

Inventor： Motomune KODAMA ,  Shigeho TANIGAWA ,  Hiroshi KOTAKI ,  Hideki TANAKA ,  Kazuya NISHI ,  Takaaki SUZUKI

IPC: H01B12/10 ,  G01R33/3815 ,  H01F6/06 ,  H01F6/00 ,  H01L39/24 ,  H01L39/14

Abstract: The present invention is intended to increase the critical current density of a wire rod having a shape with good symmetry such as a round wire or a square wire by making use of mechanical milling method. The production method of the present invention for the MgB2 superconducting wire rod comprises a mixing process of preparing a powder by adding a solid organic compound to a magnesium powder and a boron powder and then applying an impact to the powder to prepare a mixture of the powder in which boron particles are dispersed inside magnesium particles, a filling process of filling a metal tube with the mixture, an elongation process of elongating the metal tube filled with the mixture and a heat treatment process of heat-treating the metal tube to synthesize MgB2.

公开(公告)号：US20110152105A1

公开(公告)日：2011-06-23

申请号：US12952587

申请日：2010-11-23

Applicant: Frank Schmidt

Inventor： Frank Schmidt

IPC: H01B12/10 ,  H01B12/00

CPC classification number: H01B12/12 ,  Y02E40/641

Abstract: A superconductive cable with a central superconductive conductor (1), a surrounding dielectric (3) and a surrounding superconductive return conductor (4). The central conductor (1) is formed from a single ribbon carrying superconductive material into a tube with a longitudinal extending slot (2) with the two edges of the ribbon abutting to each other. A ribbon (14) made of semiconductive material is wound around the central conductor (1) with at least one layer.

Abstract translation: 具有中心超导导体（1），周围电介质（3）和周围超导回路导体（4）的超导电缆。 中心导体（1）由承载超导材料的单个带形成为具有纵向延伸槽（2）的管，带的两个边缘彼此邻接。 由半导体材料制成的带状物（14）以至少一层缠绕在中心导体（1）周围。

公开(公告)号：US20110136674A1

公开(公告)日：2011-06-09

申请号：US12994721

申请日：2009-05-27

Applicant: Sataro Yamaguchi

Inventor： Sataro Yamaguchi

IPC: H01B12/10 ,  H01L39/24 ,  H01B12/00

CPC classification number: H01L39/2419 ,  H01L39/14 ,  Y10T29/49014

Abstract: A method of manufacturing a superconducting tape wire, wherein a reduction in critical current in the superconducting tape wire and the effective AC loss are suppressed. To manufacture the superconducting tape wire, the filaments filled with superconducting material powder and having a flat elliptic or rectangular cross section are disposed in a pipe having a shape whose sides in a pressing direction have a smaller length than adjacent sides, and then the pipe is compressed in the short-side direction to form the pipe in a tape shape.

Abstract translation: 制造超导带线的方法，其中抑制超导带线中的临界电流的降低和有效的AC损耗。 为了制造超导带状线，将填充有超导材料粉末并具有扁平椭圆形或矩形横截面的长丝布置在具有沿着按压方向的侧面具有比相邻侧部更小的长度的形状的管中，然后管是 在短边方向上压缩以形成带状的管。

公开(公告)号：US07718898B2

公开(公告)日：2010-05-18

申请号：US11703165

申请日：2007-02-07

Applicant: Hiroyuki Kato ,  Takayuki Miyatake ,  Takayoshi Miyazaki ,  Kyoji Zaitsu

Inventor： Hiroyuki Kato ,  Takayuki Miyatake ,  Takayoshi Miyazaki ,  Kyoji Zaitsu

IPC: H01B12/10

CPC classification number: H01L39/2409 ,  Y10S420/901 ,  Y10S505/887 ,  Y10T29/49014 ,  Y10T428/12819

Abstract: A precursor for manufacturing a Nb3Sn superconducting wire according to the present invention includes a mono-element wire including a Sn or Sn-based alloy core disposed at the, a Cu or Cu-based alloy matrix and a plurality of Nb or Nb-based alloy filaments surrounding the Sn or Sn-based alloy core, and a diffusion barrier layer and a stabilizing copper layer surrounding the Cu or Cu-based alloy matrix. In a final shape after a reduction process, the average diameter of the Nb or Nb-based alloy filaments is set to 5 μm to 30 μm, and the average distance between the Sn or Sn-based alloy core and the Nb or Nb-based alloy filaments nearest the Sn or Sn-based alloy core is set to 100 μm or less.

Abstract translation: 根据本发明的用于制造Nb 3 Sn超导线的前体包括一个单元线，其包括设置在Cu或Cu基合金基体上的Sn或Sn基合金芯，以及多个Nb或Nb基合金 围绕Sn或Sn基合金芯的细丝以及围绕Cu或Cu基合金基体的扩散阻挡层和稳定的铜层。 在还原处理后的最终形状中，将Nb或Nb基合金丝的平均直径设定为5μm〜30μm，将Sn或Sn系合金芯与Nb或Nb系合金的平均距离 最接近Sn或Sn基合金芯的合金丝被设定为100μm以下。