CN101192643B - 制造超导性电导体的方法和按此方法制造的超导性电导体 - Google Patents
制造超导性电导体的方法和按此方法制造的超导性电导体 Download PDFInfo
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Abstract
提供了一种用于制造超导性电导体的方法,其中在织构化了的金属衬底上作为超导材料设置由钇-钡-铜氧化物(YBCO)组成的层并经受热处理。为制造线状导体,作为带(2)提供的、被织构化了的金属衬底首先在其纵向上围绕一个被拉长的具有圆形横截面的金属支撑体(1)形成一个裂缝管(3),其带有在纵向上延伸的、在缝隙(4)处彼此相邻的边缘。裂缝管(3)接着通过缝隙(4)的焊接而被闭合,之后拉伸闭合管(9)直到贴在支撑体(1)上。然后围绕管(9)设置一个由超导性YBCO材料组成的层(12),最后执行热处理。
Description
技术领域
本发明涉及一种制造超导性电导体的方法,其中在织构化(texturiert)金属衬底上作为超导性材料设置一个由钇-钡-铜氧化物(YBCO)形成的层(US-A-5 739 086)。
背景技术
超导性电导体由特殊的材料组成,该种材料在足够低的温度下转变为超导状态。一个相应构造的导体的电阻由此趋近于零。适宜的超导材料例如是YBCO(钇-钡-铜氧化物)或者BSCCO(铋-锶-钙-铜氧化物)。对于这种陶瓷材料的为了达到超导状态的足够低的温度例如在67K和110K之间。相应的超导体称为高温超导体。适宜的冷却剂例如是氮、氦、氖和氢,或者这些分别处于液体状态的材料的混合物。
开始部分提到的US-A-5 739 086描述了制造高温超导体的各种方法。在BSCCO超导体的情况下,把BSCCO材料例如以粉末状装入一根银管中并且密封。通过该管的机械变形和随后热处理(退火)达到超导状态。在YBCO超导体(它由于其突出的电气特性特别适合用于电缆和绕组)的情况下,在一个例如由金属组成的作为衬底的双轴织构化带上首先叠置一个同样由金属组成的缓冲层,在该缓冲层上接着涂敷YBCO材料。该衬底例如由镍、铜或铁或者合金组成。对于缓冲层例如使用铜或银。YBCO材料最后同样通过热处理而被带入超导状态。这样制造的超导体如已经提到的可以有利地用于电缆以及电动机和磁铁的绕组。但是,在此由于它的带状结构只能在一个方向上弯曲。
发明内容
本发明要解决的技术问题在于,这样改进在开始部分提到的方法,从而获得容易加工的基于YBCO的超导体。
根据本发明,该技术问题是如下解决的,
-一个作为带提供的、被织构化了的金属衬底首先在其纵向上围绕一个被拉长的具有圆形横截面的金属支撑体形成一个裂缝管,其带有在纵向上延伸的、在缝隙处彼此相邻的边缘,
-裂缝管接着通过缝隙的焊接而被闭合,
-之后拉伸闭合管直到贴在支撑体上,
-然后围绕管设置由超导性YBCO材料组成的层,和
-最后执行热处理。
利用这种方法制造了可转变为超导状态的电导体,其可以按照与常规线状导体同样的方式被加工。在弯曲导体时不再需要特别的方向。因此它特别适宜制造电动机和磁铁的绕组,但是在使用常规设备的情况下也用于构造电缆。
附图说明
根据附图作为实施例解释本发明的方法。附图中:
图1示意地示出用于执行本发明的方法的装置。
图2至图5按照放大图的形式示出图1中沿线II-II至V-V的截面图。
图6示出通过可利用本发明方法制造的超导体的横截面。
具体实施方式
1表示一个金属支撑体,其可以实施为条、索、或者管。它优选由钢组成并且也能够起到要制造的超导体的抗拉中心元件的作用。支撑体1优选具有在0.5mm和3.0mm之间的外径。
围绕支撑体1用一个作为带2提供的、通过预处理已经被织构化了的金属衬底形成一个裂缝管3,它有利地尽可能接近支撑体1。它的在纵向延伸的边缘彼此在一个首先还开启的缝4处相邻。在这种情况下,将带2从一个卷筒5拔出,并在一个通过辊6表示的变形设备内形成裂缝管3。其例如由镍、铜或铁或者合金组成。带2已经在预处理阶段例如被赋予一个双轴织构(biaxialeTextur)。其优选具有在50μm和150μm之间的厚度。
支撑体1和裂缝管3优选连续地在箭头7的方向上运动。在此,裂缝管3的缝4在接着的处理过程中在焊接设备8处被焊接,以便产生一个通过一个焊缝闭合的管9。焊接设备8可以任意地实现。有利的是在保护气体下按照钨惰性气体(WIG)或者金属惰性气体(MIG)方法执行焊接或者用激光束执行焊接。也可以使用利用烧蚀的电极的焊接方法。闭合管9之后在一个牵拉设备10中被尽可能地减小直径,直到它贴在支撑体1上。相应的元件从图4看出。
这样产生的圆形元件接着在设备11中周围被提供由YBCO材料组成的层12,它的厚度可以有利地在1μm和5μm之间。这可以用公知的方法产生,例如PVD方法(物理汽相淀积)或者CVD方法(化学汽相淀积)或者CSD方法(化学溶液淀积)。这样,在设备11之后出现一个完成的、用超导材料YBCO涂层的导体13(图5),该导体最后在设备14中为实现超导性能而经受热处理,优选为被退火。这点可以有利地在从700℃到800℃的温度下执行。
为了另外保护通过带2或者管9实现的衬底,可以在YBCO涂层前在其上淀积一个厚度从例如100nm到200nm的环绕封闭缓冲层15,其例如由陶瓷组成。适宜的材料例如是氧化铈或者氧化镧锆。缓冲层15可以用与为YBCO层12给出的方法同样的涂层方法涂敷。在缓冲层15上然后如上述设置YBCO层12并且接着在设备14中进行热处理。在图6中示出了一个通过相应完善的超导体16的横截面。
Claims (4)
1.一种用于制造超导性电导体的方法,其中在织构化了的金属衬底上作为超导材料设置由钇-钡-铜氧化物(YBCO)组成的层并经受热处理,其特征在于,
-一个作为带(2)提供的、织构化了的金属衬底首先在其纵向上围绕一个被拉长的具有圆形横截面的金属支撑体(1)形成一个裂缝管(3),该裂缝管带有在纵向上延伸的、在缝隙(4)处彼此相邻的边缘,
-所述裂缝管(3)接着通过该缝隙(4)的焊接而被闭合,由此形成一个闭合管(9),
-之后拉伸所述闭合管(9)直到贴在所述支撑体(1)上,
-然后围绕该闭合管(9)设置一个由超导性YBCO材料组成的层(12),和
-最后执行热处理。
2.根据权利要求1所述的方法,其特征在于,在设置由YBCO材料组成的层(12)之前在所述闭合管(9)上设置一个由金属材料组成的周围闭合的缓冲层(15)。
3.一种利用根据权利要求1的方法制造的超导性电导体,该超导性电导体具有作为超导材料的YBCO材料,其特征在于,围绕具有圆形横截面的金属支撑体(1)设置一个用织构化了的金属材料组成的闭合管(9),该闭合管周围由一个由YBCO材料组成的层(12)包围。
4.根据权利要求3所述的超导性电导体,其特征在于,在所述闭合管(9)和YBCO层(12)之间设置有一个金属缓冲层(15)。
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US (1) | US7622425B2 (zh) |
EP (1) | EP1916720B1 (zh) |
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EP1916720B1 (de) * | 2006-10-27 | 2008-12-24 | Nexans | Verfahren zur Herstellung eines supraleitfähigen elektrischen Leiters |
DE502006008727D1 (de) * | 2006-11-17 | 2011-02-24 | Nexans | Verfahren zur Herstellung eines supraleitfähigen elektrischen Leiters |
EP2012373B1 (en) * | 2007-07-02 | 2011-10-19 | Nexans | Process for the production of a coated conductor with simplified layer architecture |
ATE523902T1 (de) * | 2008-06-02 | 2011-09-15 | Nexans | Verfahren für die herstellung eines geformten substrats für einen beschichteten leiter und beschichteter leiter mit dem substrat |
EP2131407A1 (en) | 2008-06-05 | 2009-12-09 | Nexans | Superconducting wire with low AC losses |
EP2200047A1 (de) | 2008-12-16 | 2010-06-23 | Nexans | Anordnung mit einem dreiphasigen supraleitfähigen Kabel |
FR2940323B1 (fr) | 2008-12-18 | 2011-02-11 | Centre Nat Rech Scient | Procede de depot de films d'oxydes sur tubes metalliques textures |
EP2284917B1 (en) | 2009-08-13 | 2012-06-06 | Nexans | Coated conductor |
EP2284918A1 (en) | 2009-08-13 | 2011-02-16 | Nexans | High temperature superconductor, in particular improved coated conductor |
EP2337102B1 (de) * | 2009-12-15 | 2013-05-22 | Nexans | Verfahren zur Herstellung eines supraleitfähigen elektrischen Leiters und supraleitfähiger Leiter |
EP2442376A1 (de) | 2010-10-05 | 2012-04-18 | Nexans | Verfahren zur Herstellung eines supraleitfähigen elektrischen Leiters und supraleitfähiger Leiter |
FR2966968B1 (fr) * | 2010-10-27 | 2012-10-26 | Nexans | Conducteur de transport d'energie electrique |
FR2967820A1 (fr) * | 2010-11-19 | 2012-05-25 | Nexans | Conducteur de transport d'energie electrique |
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EP2862641B1 (de) * | 2013-10-16 | 2018-07-11 | Nexans | Verfahren zur Herstellung metallischer Verbundrohre |
US10068683B1 (en) | 2014-06-06 | 2018-09-04 | Southwire Company, Llc | Rare earth materials as coating compositions for conductors |
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US7325840B2 (en) * | 2005-05-18 | 2008-02-05 | Arnaud Allais | Arrangement for connecting a fiber-reinforced plastic pipe to a stainless steel flange |
EP1858091B1 (en) * | 2006-05-18 | 2011-04-13 | Nexans | Conductor coated with a polycrystalline film useful for the production of high temperatures superconductor layers |
DK1865516T3 (da) * | 2006-06-07 | 2013-04-29 | Nexans | System med et kabel med superledningsevne |
EP1916720B1 (de) * | 2006-10-27 | 2008-12-24 | Nexans | Verfahren zur Herstellung eines supraleitfähigen elektrischen Leiters |
DE502006008727D1 (de) * | 2006-11-17 | 2011-02-24 | Nexans | Verfahren zur Herstellung eines supraleitfähigen elektrischen Leiters |
EP2017856B1 (de) * | 2007-07-17 | 2014-09-03 | Nexans | Supraleitfähiges elektrisches Kabel |
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2006
- 2006-10-27 EP EP06291689A patent/EP1916720B1/de not_active Not-in-force
- 2006-10-27 ES ES06291689T patent/ES2319228T3/es active Active
- 2006-10-27 AT AT06291689T patent/ATE418794T1/de active
- 2006-10-27 DK DK06291689T patent/DK1916720T3/da active
- 2006-10-27 DE DE502006002457T patent/DE502006002457D1/de active Active
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Patent Citations (3)
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US6844490B2 (en) * | 1998-12-24 | 2005-01-18 | Pirelli Cavi E Sistemi S.P.A. | Superconducting cable |
CN1503993A (zh) * | 2000-10-23 | 2004-06-09 | ��������幫˾ | 前体溶液及其使用方法 |
CN1572030A (zh) * | 2001-11-14 | 2005-01-26 | 尼克桑斯公司 | 在超导元件上施加电阻层的方法 |
Also Published As
Publication number | Publication date |
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ATE418794T1 (de) | 2009-01-15 |
DK1916720T3 (da) | 2009-04-14 |
EP1916720A1 (de) | 2008-04-30 |
JP2008124014A (ja) | 2008-05-29 |
US7622425B2 (en) | 2009-11-24 |
CN101192643A (zh) | 2008-06-04 |
DE502006002457D1 (de) | 2009-02-05 |
US20090170709A1 (en) | 2009-07-02 |
JP5219453B2 (ja) | 2013-06-26 |
KR20080038025A (ko) | 2008-05-02 |
EP1916720B1 (de) | 2008-12-24 |
ES2319228T3 (es) | 2009-05-05 |
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