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1. 发明专利

JP2011090788A Nb3Al SUPERCONDUCTING WIRE ROD 有权
标题翻译： Nb3Al超导线
公开(公告)号：JP2011090788A
公开(公告)日：2011-05-06
申请号：JP2009241004
申请日：2009-10-20
申请人： Hitachi Cable Ltd , National Institute For Materials Science , 日立電線株式会社 , 独立行政法人物質・材料研究機構
发明人： TAKEUCHI TAKAO , KIKUCHI AKIHIRO , BANNO NOBUYA , TANAKA KAZUHIDE , NAKAGAWA KAZUHIKO
IPC分类号： H01B12/10 , C22C27/02 , H01B13/00 , H01F6/06
CPC分类号： Y02E40/644
摘要： PROBLEM TO BE SOLVED: To provide a high-performance and long Nb 3 Al superconducting wire rod, capable of restraining connection between Nb/Al filaments to generate magnetic instability, and capable of preventing a wire from breaking at an extending process while maintaining high Jc characteristics. SOLUTION: The Nb 3 Al superconducting wire rod is provided with a winding core 30, a wire rod having a filament layer containing Nb and Al and covering the winding core 30, and a single wire having a first barrier layer covering the wire rod and a second barrier layer consisting of Ta for covering the first barrier layer. The first barrier layer after processing to a final shape has hardness between that of the wire rod and that of the Ta layer. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制Nb / Al长丝之间的连接以产生磁性不稳定性并且能够防止电线的高性能且长的Nb 3 SB 3 Al超导线材在延伸过程中断裂，同时保持高Jc特性。解决方案：Nb 3 Al超导线材设置有绕组芯30，具有包含Nb和Al并覆盖绕组芯30的细丝层的线材和具有覆盖线材的第一阻挡层和由Ta构成的用于覆盖第一阻挡层的第二阻挡层。在加工成最终形状之后的第一阻挡层具有在线材和Ta层的硬度之间的硬度。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2012150958A COMPOSITE BARRIER-TYPE Nb3Al SUPERCONDUCTING WIRE ROD 有权
标题翻译：复合阻挡型Nb3Al超导线
公开(公告)号：JP2012150958A
公开(公告)日：2012-08-09
申请号：JP2011008007
申请日：2011-01-18
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： BANNO NOBUYA , TAKEUCHI TAKAO
IPC分类号： H01B12/10 , H01B13/00 , H01F6/06
CPC分类号： H01B12/08 , H01L39/14 , H01L39/2409 , Y10T29/49014
摘要： PROBLEM TO BE SOLVED: To provide a new NbAl multi-core wire cross sectional structure solving a problem on wiredrawing workability due to Ta, the problem being conventionally considered to be a problem in developing an NbAl superconducting wire rod, and capable of suppressing magnetic coupling of filaments induced in an extremely low temperature environment.SOLUTION: A new NbAl multi-core wire cross sectional structure having excellent wiredrawing workability and capable of suppressing magnetic coupling of filaments induced in an extremely low temperature environment can be obtained by concentratedly arranging Nb barrier filaments with high ductility in a filament region in the vicinity of a center core and dispersively arranging Ta barrier filaments and Nb barrier filaments serving as a magnetic coupling suppression material at a periphery in the filament region, in an NbAl multi-core superconducting wire rod.
摘要翻译：要解决的问题：为了提供一种解决由于Ta引起的拉丝加工性的问题的新型Nb 3 Al多芯线横截面结构，常规考虑的问题在开发Nb 3 Al超导线材中是一个问题，并且能够抑制在极低温度环境中诱发的细丝的磁耦合。解决方案：具有优异的拉丝加工性能并且能够抑制在极低温度环境中诱发的细丝的磁耦合的新的Nb 3 Al多芯线横截面结构可以是通过在中心芯附近的长丝区域中集中排列具有高延展性的Nb阻挡长丝，并且在长丝区域的周围分散配置用作磁耦合抑制材料的Ta阻挡丝和Nb阻挡丝， SB POS =“POST”> 3 Al多芯超导线材。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2014010930A PRODUCTION METHOD OF Nb3Al SUPERCONDUCTING WIRE MATERIAL 有权
标题翻译： Nb3Al超导材料的生产方法
公开(公告)号：JP2014010930A
公开(公告)日：2014-01-20
申请号：JP2012144922
申请日：2012-06-28
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： BANNO NOBUYA , TAKEUCHI TAKAO
IPC分类号： H01B13/00 , C22C27/02 , C22F1/00 , H01B12/10
CPC分类号： Y02E40/644
摘要： PROBLEM TO BE SOLVED: To provide a production method of an NbAl superconducting wire material in which Nb and Al in which melting points are very different are annealed without performing diffusion reaction, and work hardening of an Nb/Al composite is prevented, in production of a rod-in-tube method NbAl superconducting wire material.SOLUTION: A production method of an NbAl superconducting wire material includes: a step (S100) in which a first time wire drawing wire in which an initial stage billet A that includes an Al rod as a core and an Nb layer at an outer periphery is extruded, and then undergoes wire drawing, is bundled to produce a first time bundle wire B; a process (S102) in which a before heat treatment wire is produced by extrusion and wire drawing of the first time bundle wire B; a process (S104) in which the before heat treatment wire is rapidly heated and cooled at a wire temperature of a range from 900°C to 1,400°C; a process (S106) in which an after heat treatment wire inclusion material D is produced by bundling the wire after rapid cooling with a prescribed wire diameter; and a process (S108) in which an Nb/Al extra fine multicore precursor wire E is produced by extrusion and wire drawing of the after heat treatment wire inclusion material D.
摘要翻译：要解决的问题：为了提供NbAl超导线材的制造方法，其中熔点非常不同的Nb和Al退火而不进行扩散反应，并且可以防止Nb / Al复合材料的加工硬化，一种棒内管法NbAl超导线材。方法：一种NbAl超导线材的制造方法，包括：步骤（S100），其中，第一次拉丝线，其中包括Al棒的初始阶段坯料A 作为芯部，在外周将Nb层挤出，然后进行拉丝，将其捆扎以制造第一次线束B; 通过第一时间线束B的挤出和拉丝来制造前述热处理线材的工序（S102）其中在900℃至1400℃的线材温度下快速加热和冷却前述热处理线材的工序（S104）通过以规定的丝直径进行快速冷却后的捆扎而制造后热处理丝包覆材料D的工序（S106）以及通过后热处理线夹杂物D的挤出和拉丝来制造Nb / Al超细多芯前体线E的工序（S108）。

4. 发明专利

JP2013140801A Nb3Al SUPERCONDUCTING WIRE AND MANUFACTURING METHOD THEREFOR 有权
标题翻译： Nb3Al超导线及其制造方法
公开(公告)号：JP2013140801A
公开(公告)日：2013-07-18
申请号：JP2013001537
申请日：2013-01-09
申请人： National Institute For Materials Science , 独立行政法人物質・材料研究機構
发明人： BANNO NOBUYA , TAKEUCHI TAKAO
IPC分类号： H01B12/10 , B21C1/00 , B21C37/04 , C22C27/02 , C22F1/00 , H01B13/00 , H01F6/06
CPC分类号： H01L39/2409 , C22C27/02 , C22C47/068 , H01L39/14
摘要： PROBLEM TO BE SOLVED: To provide an NbAl superconducting wire in which the characteristics are improved for implementation, by eliminating the problems of limit strain or bondability of a stabilization material and a metal matrix, and contriving the structure of NbAl thin wire.SOLUTION: The NbAl superconducting wire has a multi-core structure where a large number of NbAl thin wires are arranged in a high melting point metal matrix formed of a high melting point metal having a melting point higher than both melting points of Nb and Al. The NbAl superconducting wire has a duplication matrix structure where a high melting point metal matrix is also formed in each cell arranged therein, the NbAl thin wires are located in the minimum cell, and a highly conductive metal layer having conductivity at room temperature is formed on the outer periphery of the NbAl superconducting wire.
摘要翻译：要解决的问题：提供一种通过消除稳定材料和金属基体的极限应变或粘合性的问题，并提出NbAl细线的结构，提高其实现特性的NbAl超导线。解决方案： NbAl超导线具有多芯结构，其中在由熔点高于Nb和Al的两个熔点的高熔点金属形成的高熔点金属基体中排列有大量的NbAl细线。 NbAl超导线具有复制矩阵结构，其中在其中布置的每个单元中也形成高熔点金属基体，NbAl细线位于最小单元中，并且在室温下具有导电性的高导电金属层形成在 NbAl超导线的外周。

5. 发明专利

JP2010244745A Nb3Al SUPERCONDUCTING WIRE ROD AND METHOD FOR MANUFACTURING Nb3Al SUPERCONDUCTING WIRE ROD 审中-公开
标题翻译： Nb3Al超导线及其制造Nb3Al超导线的方法
公开(公告)号：JP2010244745A
公开(公告)日：2010-10-28
申请号：JP2009089855
申请日：2009-04-02
申请人： Hitachi Cable Ltd , National Institute For Materials Science , 日立電線株式会社 , 独立行政法人物質・材料研究機構
发明人： TANAKA KAZUHIDE , NAKAGAWA KAZUHIKO , BANNO NOBUYA , TAKEUCHI TAKAO
IPC分类号： H01B12/10 , C22C27/02 , H01B13/00
CPC分类号： Y02E40/644
摘要： PROBLEM TO BE SOLVED: To provide an Nb
3 Al superconducting wire rod that can be elongated, and to provide a method for manufacturing the Nb
3 Al superconducting wire rod.
SOLUTION: The Nb
3 Al superconducting wire rod includes a wire rod containing Nb and Al, an Nb layer or a Ta layer that covers the wire rod, and a metal layer formed on the Nb layer or the Ta layer. The method for manufacturing the Nb
3 Al superconducting wire rod includes: the precursor wire rod-forming step of forming a precursor wire rod by covering the wire rod containing Nb and Al with the Nb layer or the Ta layer; the heat treatment step of heating and cooling the precursor wire rod to form a supersaturation solid solution wire rod; and the metal layer-forming step of forming a metal layer on the surface of the supersaturation solid solution wire rod.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供可以伸长的Nb 3 SB 3 Al超导线材，并提供一种制造Nb 3 SB 3 Al超导线材的方法。解决方案：Nb 3 Al超导线材包括含有Nb和Al的线棒，覆盖线材的Nb层或Ta层，以及形成在Nb层上的金属层或Ta层。制造Nb 3 SB超导线材的方法包括：前体线棒形成步骤，通过用Nb层或Ta层覆盖含有Nb和Al的线材来形成前体线材 ; 加热和冷却前体线材的热处理步骤，形成过饱和固溶线材; 以及在过饱和固溶体线材的表面上形成金属层的金属层形成工序。版权所有（C）2011，JPO＆INPIT

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