公开(公告)号：US07459031B2

公开(公告)日：2008-12-02

申请号：US11661695

申请日：2005-09-12

申请人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

发明人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

IPC分类号： H01L39/24

CPC分类号： B22F5/12 ,  B22F3/1216 ,  B22F2003/248 ,  B22F2998/10 ,  C22C1/0491 ,  H01L39/2409 ,  Y10T29/49014 ,  B22F1/0003 ,  B22F3/20 ,  B22F3/24

摘要： A method for producing an Nb3Sn superconductive wire material using a powder process is provided, in which a powdered raw material is filled in a sheath made of Nb or an Nb-based alloy, and the above sheath is subjected to diameter reduction to form a wire, followed by heat treatment to form a superconducting layer at the interface between the sheath and the filled powder. The above powdered raw material contains powdered Sn, powdered Cu, and a powdered alloy or a powdered intermetallic compound, which is formed from Sn and at least one metal selected from the group consisting of Ti, Zr, Hf, V, and Ta.

摘要翻译： 提供了使用粉末方法制造Nb 3 Sn超导线材的方法，其中将粉末原料填充在由Nb或Nb基合金制成的护套中，并且将上述护套进行直径还原以形成线 ，然后进行热处理，以在护套和填充的粉末之间的界面处形成超导层。 上述粉末状原料含有由Sn和选自Ti，Zr，Hf，V和Ta组成的组中的至少一种金属形成的粉末状Sn，粉末状Cu以及粉末状合金或粉末状金属间化合物。

公开(公告)号：US20080092992A1

公开(公告)日：2008-04-24

申请号：US11661695

申请日：2005-09-12

申请人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

发明人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

IPC分类号： H01L39/24

CPC分类号： B22F5/12 ,  B22F3/1216 ,  B22F2003/248 ,  B22F2998/10 ,  C22C1/0491 ,  H01L39/2409 ,  Y10T29/49014 ,  B22F1/0003 ,  B22F3/20 ,  B22F3/24

摘要： A method for producing an Nb3Sn superconductive wire material using a powder process is provided, in which a powdered raw material is filled in a sheath made of Nb or an Nb-based alloy, and the above sheath is subjected to diameter reduction to form a wire, followed by heat treatment to form a superconducting layer at the interface between the sheath and the filled powder. The above powdered raw material contains powdered Sn, powdered Cu, and a powdered alloy or a powdered intermetallic compound, which is formed from Sn and at least one metal selected from the group consisting of Ti, Zr, Hf, V, and Ta.

摘要翻译： 提供了使用粉末方法制造Nb 3 Sn超导线材的方法，其中将粉末原料填充在由Nb或Nb基合金制成的护套中，并且上述护套 进行直径减小以形成丝线，然后进行热处理，以在护套和填充的粉末之间的界面处形成超导层。 上述粉末状原料含有由Sn和选自Ti，Zr，Hf，V和Ta组成的组中的至少一种金属形成的粉末状Sn，粉末状Cu以及粉末状合金或粉末状金属间化合物。

公开(公告)号：US07459030B2

公开(公告)日：2008-12-02

申请号：US11596470

申请日：2005-05-17

申请人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

发明人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

IPC分类号： H01L39/24

CPC分类号： B22F5/12 ,  B22F7/04 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/0491 ,  H01L39/2409 ,  Y10T29/49014 ,  B22F9/22 ,  B22F1/0085 ,  B22F1/0003 ,  B22F3/04 ,  B22F3/1208 ,  B22F3/24 ,  B22F9/082

摘要： Disclosed is a manufacturing method of an Nb3Sn superconductive wire using a powder technique, the method including the steps of: filling, as a raw powder, an intermetallic compound powder obtained from a metallic powder containing at least one metallic powder selected from Ta powder and Nb powder, and Sn powder, or a mixture of the metallic powder and the Sn powder into a sheath made of Nb or an Nb based alloy; performing a diameter-reduction process on the sheath to form a wire; heat treating the wire; and, forming a superconductive layer on the interface between the sheath and the powder, wherein at least one of the metallic powders selected from the Ta powder and the Nb powder is obtained by aggregating fine particles (primary) in shape of coral to form secondary particles.

摘要翻译： 公开了使用粉末技术的Nb 3 Sn超导线的制造方法，该方法包括以下步骤：将由含有选自Ta粉末和Nb中的至少一种金属粉末的金属粉末获得的金属间化合物粉末作为原料粉末填充 粉末和Sn粉末，或金属粉末和Sn粉末的混合物制成由Nb或Nb基合金制成的护套; 在护套上进行直径减小过程以形成线; 热处理电线; 并且在护套和粉末之间的界面上形成超导层，其中通过将珊瑚形状的细颗粒（初级）聚集以形成二次颗粒，获得选自Ta粉末和Nb粉末中的至少一种金属粉末 。

公开(公告)号：US20070175543A1

公开(公告)日：2007-08-02

申请号：US11596470

申请日：2005-05-17

申请人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

发明人： Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu ,  Kyoji Tachikawa

IPC分类号： H01L39/24

CPC分类号： B22F5/12 ,  B22F7/04 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/0491 ,  H01L39/2409 ,  Y10T29/49014 ,  B22F9/22 ,  B22F1/0085 ,  B22F1/0003 ,  B22F3/04 ,  B22F3/1208 ,  B22F3/24 ,  B22F9/082

摘要： Disclosed is a manufacturing method of an Nb3Sn superconductive wire using a powder technique, the method including the steps of: filling, as a raw powder, an intermetallic compound powder obtained from a metallic powder containing at least one metallic powder selected from Ta powder and Nb powder, and Sn powder, or a mixture of the metallic powder and the Sn powder into a sheath made of Nb or an Nb based alloy; performing a diameter-reduction process on the sheath to form a wire; heat treating the wire; and, forming a superconductive layer on the interface between the sheath and the powder, wherein at least one of the metallic powders selected from the Ta powder and the Nb powder is obtained by aggregating fine particles (primary) in shape of coral to form secondary particles.

摘要翻译： 公开了使用粉末技术的Nb 3 Sn超导线的制造方法，该方法包括以下步骤：从至少包含至少含有金属粉末的金属粉末获得的金属间化合物粉末作为原料粉末 选自Ta粉末和Nb粉末的一种金属粉末，Sn粉末，或者将金属粉末和Sn粉末的混合物制成由Nb或Nb基合金制成的护套; 在护套上进行直径减小过程以形成线; 热处理电线; 并且在护套和粉末之间的界面上形成超导层，其中通过将珊瑚形状的细颗粒（初级）聚集以形成二次颗粒，获得选自Ta粉末和Nb粉末中的至少一种金属粉末 。

公开(公告)号：US07718898B2

公开(公告)日：2010-05-18

申请号：US11703165

申请日：2007-02-07

申请人： Hiroyuki Kato ,  Takayuki Miyatake ,  Takayoshi Miyazaki ,  Kyoji Zaitsu

发明人： Hiroyuki Kato ,  Takayuki Miyatake ,  Takayoshi Miyazaki ,  Kyoji Zaitsu

IPC分类号： H01B12/10

CPC分类号： H01L39/2409 ,  Y10S420/901 ,  Y10S505/887 ,  Y10T29/49014 ,  Y10T428/12819

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07566414B2

公开(公告)日：2009-07-28

申请号：US11367459

申请日：2006-03-06

申请人： Takayoshi Miyazaki ,  Takayuki Miyatake ,  Hiroyuki Kato ,  Kyoji Zaitsu

发明人： Takayoshi Miyazaki ,  Takayuki Miyatake ,  Hiroyuki Kato ,  Kyoji Zaitsu

IPC分类号： B22F5/12 ,  H01L39/24

CPC分类号： H01L39/2409

摘要： A method for manufacturing a powder-metallurgy processed Nb3Sn superconducting wire is provided. In the method, a sheath made of Nb or a Nb alloy is filled with a raw material powder containing Sn. The sheath filled with the raw material powder is subjected to diameter reduction to form a wire. The wire is heat-treated to form a superconducting phase at the internal surface of the sheath. The raw material powder is prepared by adding a Sn powder to a Cu—Sn alloy powder or a Cu—Sn intermetallic compound powder, and is compacted under isotropic pressure.

摘要翻译： 提供了一种制造粉末冶金处理的Nb 3 Sn超导线的方法。 在该方法中，用含有Sn的原料粉末填充由Nb或Nb合金制成的护套。 将填充有原料粉末的护套进行直径减小以形成导线。 电线被热处理以在护套的内表面形成超导相。 通过向Cu-Sn合金粉末或Cu-Sn金属间化合物粉末中添加Sn粉末，在各向同性压力下压实而制备原料粉末。

公开(公告)号：US20060216191A1

公开(公告)日：2006-09-28

申请号：US11367459

申请日：2006-03-06

申请人： Takayoshi Miyazaki ,  Takayuki Miyatake ,  Hiroyuki Kato ,  Kyoji Zaitsu

发明人： Takayoshi Miyazaki ,  Takayuki Miyatake ,  Hiroyuki Kato ,  Kyoji Zaitsu

IPC分类号： B22F7/00

CPC分类号： H01L39/2409

摘要： A method for manufacturing a powder-metallurgy processed Nb3Sn superconducting wire is provided. In the method, a sheath made of Nb or a Nb alloy is filled with a raw material powder containing Sn. The sheath filled with the raw material powder is subjected to diameter reduction to form a wire. The wire is heat-treated to form a superconducting phase at the internal surface of the sheath. The raw material powder is prepared by adding a Sn powder to a Cu—Sn alloy powder or a Cu—Sn intermetallic compound powder, and is compacted under isotropic pressure.

摘要翻译： 提供了一种制造粉末冶金处理的Nb 3 Sn超导线的方法。 在该方法中，用含有Sn的原料粉末填充由Nb或Nb合金制成的护套。 将填充有原料粉末的护套进行直径减小以形成导线。 电线被热处理以在护套的内表面形成超导相。 通过向Cu-Sn合金粉末或Cu-Sn金属间化合物粉末中添加Sn粉末，在各向同性压力下压实而制备原料粉末。

公开(公告)号：US20090176650A1

公开(公告)日：2009-07-09

申请号：US11580011

申请日：2006-10-13

申请人： Takayuki Miyatake ,  Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu

发明人： Takayuki Miyatake ,  Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu

IPC分类号： H01L39/24

CPC分类号： H01L39/2409 ,  Y10T29/49014

摘要： An internal diffusion process Nb3Sn superconducting wire is produced by drawing a composite wire including a composite material containing a plurality of Nb or Nb based alloy cores embedded in a Cu or Cu based alloy matrix and a Sn or Sn based alloy core disposed in the center portion, a diffusion barrier layer composed of Nb or Ta and disposed on the outer perimeter of the composite material, and stabilizing Cu disposed on the outside of the diffusion barrier layer and heat-treating the resulting composite wire so as to diffuse Sn and react Sn with the Nb or Nb based alloy cores, wherein the area percentage of the stabilizing Cu in a cross section in a direction perpendicular to the axis center of the composite wire is 10% to 35% and the area percentage of the diffusion barrier layer is 10% to 25%.

摘要翻译： 内部扩散工艺Nb3Sn超导线是通过拉制包含复合材料的复合材料制成的，复合材料包含嵌入Cu或Cu基合金基体中的多个Nb或Nb基合金芯，以及设置在中心部分中的Sn或Sn基合金芯 ，由Nb或Ta组成的扩散阻挡层，设置在复合材料的外周上，并且稳定设置在扩散阻挡层外侧的Cu，并对所得的复合线进行热处理，以使Sn扩散并使Sn与 Nb或Nb基合金芯，其中在垂直于复合线的轴心的方向上的截面中的稳定化Cu的面积百分比为10％〜35％，扩散阻挡层的面积百分比为10％ 至25％。

公开(公告)号：US20070163675A1

公开(公告)日：2007-07-19

申请号：US11593541

申请日：2006-11-07

申请人： Takashi Hase ,  Yukinobu Murakami ,  Hiroyuki Yasunaka ,  Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu

发明人： Takashi Hase ,  Yukinobu Murakami ,  Hiroyuki Yasunaka ,  Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu

IPC分类号： H01L39/24

CPC分类号： H01L39/2409

摘要： A precursor for manufacturing a Nb3Sn superconducting wire by bronze method, in which plural Nb or Nb-based alloy cores are buried in a Cu—Sn-based alloy base material. The Cu—Sn-based alloy base material comprises Ti and/or Zr in addition to Sn, and these components satisfy the equations (1) and (2) below: 0.4≦(X−15.6)/Y≦1.9  (1) and 15.6

摘要翻译： 通过青铜法制造Nb 3 O 3 Sn超导线的前体，其中多个Nb或Nb基合金芯埋在Cu-Sn基合金基材中。 除了Sn之外，Cu-Sn系合金基材还含有Ti和/或Zr，这些成分满足下述式（1）和（2）：＆lt;线内配方说明=“在线式” end =“lead”？> 0.4 <=（X-15.6）/ Y <= 1.9（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line -formulae description =“In-line Formulas”end =“lead”？>和<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“ 在线公式“end =”lead“？> 15.6 其中符号X表示内容 的Sn质量％，符号Y表示Ti和Zr的质量％的总含量。

公开(公告)号：US20060204779A1

公开(公告)日：2006-09-14

申请号：US11358042

申请日：2006-02-22

申请人： Takayuki Miyatake ,  Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu

发明人： Takayuki Miyatake ,  Takayoshi Miyazaki ,  Hiroyuki Kato ,  Kyoji Zaitsu

IPC分类号： H01L39/24

CPC分类号： H01L39/2409 ,  Y10T428/12708

摘要： A method for fabricating a Nb3Sn superconducting wire includes the steps of loading or inserting a core material containing at least Sn into a pipe member made of Nb or a Nb alloy, inserting the pipe member into a Cu billet to form a composite member, subjecting the composite member to diameter reduction, and then heat-treating the composite member to form a Nb3Sn superconducting layer from the inner surface of the pipe member, wherein, in the pipe member made of Nb or the Nb alloy after the diameter reduction, the average crystal grain size is 0.1 to 2 μm, and preferably, the total concentration of oxygen, nitrogen, and carbon is 120 ppm or less.

摘要翻译： 制造Nb 3 Sn超导线的方法包括以下步骤：将至少含有Sn的芯材装入或插入由Nb或Nb合金制成的管件中，将管件插入Cu 坯料以形成复合构件，使复合构件直径减小，然后从管构件的内表面对复合构件进行热处理以形成Nb 3 Sn超导层，其中，在 在直径减小后由Nb或Nb合金制成的管构件，平均结晶粒径为0.1〜2μm，优选氧，氮，碳的总浓度为120ppm以下。