JPS61136663A - Manufacture of composite superconductor - Google Patents
Manufacture of composite superconductorInfo
- Publication number
- JPS61136663A JPS61136663A JP59259001A JP25900184A JPS61136663A JP S61136663 A JPS61136663 A JP S61136663A JP 59259001 A JP59259001 A JP 59259001A JP 25900184 A JP25900184 A JP 25900184A JP S61136663 A JPS61136663 A JP S61136663A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- composite
- tape
- composite superconductor
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000002887 superconductor Substances 0.000 title claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000005491 wire drawing Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000012779 reinforcing material Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000011946 reduction process Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910000657 niobium-tin Inorganic materials 0.000 description 2
- 229910000999 vanadium-gallium Inorganic materials 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- -1 Nb3Sn and V3Ga Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Abstract
Description
【発明の詳細な説明】
［発明の技術分野］
本発明は超電導線の製造方法、特に内部補強型構造を有
する複合超電導体の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a method for manufacturing a superconducting wire, and particularly to a method for manufacturing a composite superconductor having an internally reinforced structure.
［発明の技術的背景］
ｆＢ電導マグネットは発生磁界が高くなるにつれて電磁
力も大きくなり、マグネット自体に生ずる機械的応力に
よって発生磁界が制限されるようになるため、超電導線
の支持を強固にする必要がある。[Technical background of the invention] As the magnetic field generated by fB conductive magnets increases, the electromagnetic force also increases, and the generated magnetic field is limited by the mechanical stress generated in the magnet itself, so it is necessary to strengthen the support of the superconducting wire. There is.
例えば核融合炉で使用されるマグネットは１２丁以上の
高磁界となるため、ステンレス等の補強材がマグネット
の５・％の重量を占めるといわれている。For example, since the magnets used in nuclear fusion reactors have a high magnetic field of 12 or more, it is said that reinforcing materials such as stainless steel account for 5% of the magnet's weight.
従って、超電導線自身も強固にする必要があるが、この
方法として超電導線材料ステンレス、モリブデンタング
ステン等の補強材を直接埋め込んだ内部補強導体が検討
されている。Therefore, it is necessary to strengthen the superconducting wire itself, and as a method for this purpose, an internal reinforcing conductor in which a reinforcing material such as superconducting wire material stainless steel or molybdenum tungsten is directly embedded is being considered.
［背景技術の問題点］
しかしながら、上記の内部補強導体においては、超電導
線と補強材との加工性に大きな差があるため複合化後の
加工が極めて困難で、実験室規模の試作にとどまってお
り、長尺の線材を得ることができなかった。[Problems with the background technology] However, in the above-mentioned internally reinforced conductor, there is a large difference in workability between the superconducting wire and the reinforcing material, so it is extremely difficult to process the composite after it has been combined, and the work has been limited to laboratory-scale prototype production. Therefore, it was not possible to obtain a long wire rod.
［発明の目的］ 本発明は上記の難点を解消するためになされた。[Purpose of the invention] The present invention has been made to solve the above-mentioned difficulties.
もので、長尺の内部補強導体を容易に製造し得る方法を
提供することをその目的とする。The object of the present invention is to provide a method for easily manufacturing a long internal reinforcing conductor.
［発明の概要］
本発明に係る複合超電導体の製造方法は、連続的に繰り
出される超電導線および補強線の外周に金属テープを縦
添えしながら円筒形に成形し、この成形された金属テー
プの突合せ部を溶接した後、圧延加工を施し、次いで８
０％以上の断面減少加工を伸線加工とこれに続く圧延加
工により加え、断面平角形状に成形することを特徴とし
ている。[Summary of the Invention] The method for manufacturing a composite superconductor according to the present invention involves forming a continuously fed superconducting wire and reinforcing wire into a cylindrical shape while longitudinally attaching a metal tape to the outer periphery of the superconducting wire and reinforcing wire. After welding the butt parts, rolling is performed, and then 8
It is characterized by applying a cross-section reduction process of 0% or more by wire drawing followed by rolling to form a rectangular cross-section.
本発明における超電導線としては、ブロンズ法あるいは
バイブ法等によって伸線加工の施された熱処理によって
Ｎｂ ３Ｓｎ 、Ｖ３Ｇａ等の超電導化合物を生成する
複合線を使用することができるほか、Ｎｂ−Ｔｉ等の合
金系超電導線に対しても適用することができる。As the superconducting wire in the present invention, a composite wire that generates superconducting compounds such as Nb3Sn and V3Ga by heat treatment that has been subjected to wire drawing processing such as the bronze method or the vibe method, as well as composite wires that produce superconducting compounds such as Nb3Sn and V3Ga, can be used. It can also be applied to alloy superconducting wires.
また超電導線と一体に金属テープ内に組込まれる補強線
としては、ステンレス、モリブデン、タングステンある
いはこれらを主成分とする合金線が用いられ、上記の金
属テープとしては加工性および電気的特性（安定化材と
して機能せしめる場合）の点からＣＩＪあるいはＡλを
用いることが好ましい。In addition, stainless steel, molybdenum, tungsten, or alloy wires containing these as main components are used as reinforcing wires that are incorporated into the metal tape together with the superconducting wires. It is preferable to use CIJ or Aλ from the point of view (when the material is to function as a material).
本発明の方法においては、金属テープの成形、溶接後に
圧延加工が施されるが、この圧延加工により金属テープ
と超電導線および補強線との一体イ６が促進され、その
後の伸線加工を容易にする。In the method of the present invention, a rolling process is performed after forming and welding the metal tape, and this rolling process promotes the integration of the metal tape with the superconducting wire and the reinforcing wire 6, facilitating the subsequent wire drawing process. Make it.
この圧延加工としてはスウェージング加工を採用するこ
とが好ましい。この圧延加工に続く断面減少加工の際の
断面減少率は平角加工時の空隙の発生を防止するために
８０％以上とする必要がある。As this rolling process, it is preferable to employ swaging process. The cross-section reduction rate during the cross-section reduction process subsequent to this rolling process must be 80% or more in order to prevent the generation of voids during rectangular processing.
［発明の実施例］ 以下本発明の一実施例を図面に基づき説明する。[Embodiments of the invention] An embodiment of the present invention will be described below based on the drawings.
第１図は本発明の方法に用いられる複合体の製造装置の
概略を示したもので、符号１は金属テープ２のテープ供
給ボビン、４は成形機、５は超電導撚線、７は溶接機、
９はスウェージングマシンを示す。FIG. 1 schematically shows a composite manufacturing apparatus used in the method of the present invention, in which reference numeral 1 is a tape supply bobbin for metal tape 2, 4 is a molding machine, 5 is a superconducting stranded wire, and 7 is a welding machine. ,
9 indicates a swaging machine.
同図において、Ｃｕテープ供給ボビン１から送り出され
た厚ざ１ｎの金属テープ、例えばＣｕテープ２は、スリ
ッター３でその両側端を切除され成形機４で外径１１ｎ
φの円筒状に成形される。In the figure, a metal tape having a thickness of 1n, for example, a Cu tape 2, is sent out from a Cu tape supply bobbin 1, and its both ends are cut off by a slitter 3, and then by a molding machine 4 with an outer diameter of 11n.
It is formed into a cylindrical shape of φ.
成形機４は多段の横ロール４ａ 、４ｂ 、４ｃおよび
縦ロール４ｃ、４ｆによって構成され、平板状Ｃｕテー
プ２を徐々に円筒形に成形するとともに円筒内に超電導
撚線５を収容する。The forming machine 4 is composed of multistage horizontal rolls 4a, 4b, 4c and vertical rolls 4c, 4f, and gradually forms the flat Cu tape 2 into a cylindrical shape, and accommodates the superconducting strands 5 in the cylinder.
この超［Ｊ撚線５は、第２図（ａ ＞に示すように、外
径２ 、６ ｍ曹φのステンレス鋼線５ａの外周に、外
径２．６ｎφのＣｕ−８ｎマトリツクス中に多数のＮｂ
素線が配置された複合１１５ｂの６本を撚合せた構造を
有している。As shown in FIG. of Nb
It has a structure in which six composite wires 115b are twisted together.
内部に超電導撚線５を収容したＣｕテープ２はダイス６
でその端部が突合せられ、溶接機７により突合せ部がＴ
ＩＧ溶接される。この状態を第２図（ｂ）に示す。なお
ここで符号２ａはＣｕテープ２の溶接部を示す。The Cu tape 2 containing the superconducting twisted wires 5 is formed into a die 6.
The ends are butted together, and the welder 7 makes the butt part T.
IG welded. This state is shown in FIG. 2(b). In addition, the code|symbol 2a shows the welding part of the Cu tape 2 here.
次いで無限軌条式の引取機８で引取られた後、スウェー
ジングマシン９で外径９ｎφに圧延されＣｕテープと超
電導撚線間の空隙を除去する。Next, it is taken off by an endless track type take-off machine 8, and then rolled to an outer diameter of 9nφ by a swaging machine 9 to remove the gap between the Cu tape and the superconducting stranded wire.
上記のようにして製造された複合体１０に冷間で伸線加
工を施し、外径５１１とした後、５００℃×１時間の中
間焼鈍を施して素材間の一体化を促進させるとともに加
工性を回復せしめ、ざらに冷間で伸線加工および平角圧
延加工を施して３．５１１Ｘ５ ｎの複合体を製造した
。この複合体に拡散熱処理を施して複合超電導体を得た
。The composite body 10 produced as described above is subjected to cold wire drawing to have an outer diameter of 511, and then subjected to intermediate annealing at 500°C for 1 hour to promote integration between the materials and improve workability. The material was recovered and subjected to rough cold wire drawing and rectangular rolling to produce a 3.511×5 n composite. This composite was subjected to diffusion heat treatment to obtain a composite superconductor.
［発明の効果］
以上述べたように本発明の方法によれば、円筒形に成形
された金属テープ内に超電導線および補張線を収容し、
次いで圧延加工により素材間を一体化せしめた後、断面
減少加工を加えることにより、補強材を有する内部補強
導体の長尺化を容易に実施し得る。[Effects of the Invention] As described above, according to the method of the present invention, a superconducting wire and a reinforcing wire are housed in a cylindrical metal tape,
Next, by integrating the materials by rolling and then applying a cross-section reduction process, it is possible to easily lengthen the internal reinforcing conductor having the reinforcing material.
第１図は本発明の方法に使用される複合体の製造装置の
一実施例を示す概略図、第２図（ａ ）は第１図で用い
られる超電導撚線の断面図、同図（ｂ）は第１図におけ
るＡ点の成形状態を示す断面図である。
２・・・・・・・・・・・・金属テープ３・・・・・・
・・・・・・スリッター４・・・・・・・・・・・・成
形機
５・・・・・・・・・・・・超電ＩＪ撚線５ａ・・・・
・・・・・ステンレス鋼線５ｂ・・・・・・・・・複合
線
７・・・・・・・・・・・・溶接機
９・・・・・・・・・・・・スウェージングマシン代理
人弁理士 須 山 佐 −
（ほか１名）FIG. 1 is a schematic diagram showing an embodiment of the composite manufacturing apparatus used in the method of the present invention, FIG. 2(a) is a cross-sectional view of the superconducting stranded wire used in FIG. 1, and FIG. ) is a sectional view showing the molding state at point A in FIG. 1. 2・・・・・・・・・・・・Metal tape 3・・・・・・
......Slitter 4...Molding machine 5...Superelectric IJ stranded wire 5a...
・・・・・・Stainless steel wire 5b・・・・・・Composite wire 7・・・・・・・・・Welding machine 9・・・・・・・・・Swaging Machine Representative Patent Attorney Satoshi Suyama - (1 other person)
Claims (5)
周に金属テープを縦添えしながら円筒形に成形し、この
成形された金属テープの突合せ部を溶接した後、空隙部
を除去するための圧延加工を施し、次いで８０％以上の
断面減少加工を伸線加工とこれに続く圧延加工により加
え、断面平角形状に成形することを特徴とする複合超電
導体の製造方法。(1) Metal tape is attached vertically to the outer periphery of continuously unrolled superconducting wires and reinforcing wires to form them into a cylindrical shape, and after welding the butt parts of the formed metal tapes, a process is carried out to remove the voids. 1. A method for manufacturing a composite superconductor, which comprises rolling, and then reducing the cross section by 80% or more by wire drawing and subsequent rolling to form a composite superconductor into a rectangular cross-sectional shape.
複合線よりなる特許請求の範囲第１項記載の複合超電導
体の製造方法。(2) The method for manufacturing a composite superconductor according to claim 1, wherein the superconducting wire is a composite wire that produces a superconducting compound by heat treatment.
の範囲第１項または第２項記載の複合超電導体の製造方
法。(3) The method for manufacturing a composite superconductor according to claim 1 or 2, wherein the metal tape is made of Cu or Al.
ステンよりなる特許請求の範囲第１項ないし第３項のい
ずれか１項記載の複合超電導体の製造方法。(4) The method for manufacturing a composite superconductor according to any one of claims 1 to 3, wherein the reinforcing wire is made of stainless steel, molybdenum, or tungsten.
グ加工である特許請求の範囲第１項記載の複合超電導体
の製造方法。(5) The method for manufacturing a composite superconductor according to claim 1, wherein the rolling process for removing the voids is a swaging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59259001A JPS61136663A (en) | 1984-12-07 | 1984-12-07 | Manufacture of composite superconductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59259001A JPS61136663A (en) | 1984-12-07 | 1984-12-07 | Manufacture of composite superconductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61136663A true JPS61136663A (en) | 1986-06-24 |
Family
ID=17327974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59259001A Pending JPS61136663A (en) | 1984-12-07 | 1984-12-07 | Manufacture of composite superconductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61136663A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0224919A (en) * | 1988-07-14 | 1990-01-26 | Showa Electric Wire & Cable Co Ltd | Manufacture of conduit tube |
| EP0375353A2 (en) * | 1988-12-22 | 1990-06-27 | General Atomics | A reinforcement for a superconductor means |
| JPH02288024A (en) * | 1989-04-27 | 1990-11-28 | Furukawa Electric Co Ltd:The | Forced cooling type superconductive cable |
-
1984
- 1984-12-07 JP JP59259001A patent/JPS61136663A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0224919A (en) * | 1988-07-14 | 1990-01-26 | Showa Electric Wire & Cable Co Ltd | Manufacture of conduit tube |
| EP0375353A2 (en) * | 1988-12-22 | 1990-06-27 | General Atomics | A reinforcement for a superconductor means |
| EP0375353A3 (en) * | 1988-12-22 | 1991-08-21 | General Atomics | A reinforcement for a superconductor means |
| JPH02288024A (en) * | 1989-04-27 | 1990-11-28 | Furukawa Electric Co Ltd:The | Forced cooling type superconductive cable |
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