JPS63272017A - Manufacture of superconducting ceramic magnet - Google Patents
Manufacture of superconducting ceramic magnetInfo
- Publication number
- JPS63272017A JPS63272017A JP10722487A JP10722487A JPS63272017A JP S63272017 A JPS63272017 A JP S63272017A JP 10722487 A JP10722487 A JP 10722487A JP 10722487 A JP10722487 A JP 10722487A JP S63272017 A JPS63272017 A JP S63272017A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- spool
- outer circumference
- ceramics
- flame
- 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
- 239000000919 ceramic Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000004804 winding Methods 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000002887 superconductor Substances 0.000 claims abstract description 6
- 239000012212 insulator Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 abstract description 7
- 239000003822 epoxy resin Substances 0.000 abstract description 5
- 229920000647 polyepoxide Polymers 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000005245 sintering Methods 0.000 abstract description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 239000010419 fine particle Substances 0.000 abstract 4
- 239000000126 substance Substances 0.000 abstract 3
- 229910009203 Y-Ba-Cu-O Inorganic materials 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 238000010285 flame spraying Methods 0.000 abstract 1
- 238000007751 thermal spraying Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910002482 Cu–Ni Inorganic materials 0.000 description 1
- 229910020012 Nb—Ti Inorganic materials 0.000 description 1
- 229910000979 O alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910000657 niobium-tin Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明はセラミックス系超電導体を用いたマグネットの
製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a method for manufacturing a magnet using a ceramic superconductor.
（従来の技術）
近年、特に昨年の４月以降、セラミックス系超電導体の
開発が、世界中で急ピッチで進められている。この超電
導体は、従来の最高の臨界温度を示すＮｂ、 Ｇｅの２
３にを大１】に越えるもので、Ｂａ−Ｌａ−Ｃｕ−０ｊ
１％セラミックス（臨界温度３５Ｋ）、Ｌａ−３ｒ−Ｃ
Ｏ−０系セラミツクス（超電導発電機ａ３７に以上）
、Ｌａ−Ｃａ−Ｃｕ−０系セラミツクス、Ｙ−Ｂａ−Ｃ
ｕ−０系セラミツクス（ゼロ抵抗温度９３Ｋ）等の【よ
が、本年に入って２３３にの臨界温度を示すセラミック
スも報告されている。(Prior Art) In recent years, especially since April last year, the development of ceramic superconductors has been progressing at a rapid pace all over the world. This superconductor is made of Nb, Ge, which exhibits the highest conventional critical temperature.
3 to 1], Ba-La-Cu-0j
1% ceramics (critical temperature 35K), La-3r-C
O-0 ceramics (superconducting generator A37 and above)
, La-Ca-Cu-0 ceramics, Y-Ba-C
Ceramics such as u-0 series ceramics (zero resistance temperature of 93K) have been reported since the beginning of this year, however, ceramics exhibiting a critical temperature of 233K.
このようにセラミックス系超電導体材料は臨界温度が液
体窒素温度以上で用いることができる可能性があり、こ
の場合、高価な液体ヘリウムを使用しなくてもすむため
、経済的に極めて有利となるほか、超電導発電機等に使
用されると構造がシンプルで熱機関の効率も向上する等
の利点を有する。In this way, it is possible that ceramic-based superconducting materials can be used with a critical temperature higher than the liquid nitrogen temperature, and in this case, there is no need to use expensive liquid helium, which is extremely advantageous economically. When used in superconducting generators, etc., it has the advantage of a simple structure and improved heat engine efficiency.
しかしながら、セラミックスは硬くて、かつ脆いないた
め、現在実用化されているＮａ−Ｔ ｉ系やＮａ３Ｓｎ
系超電導線のように曲げたり、あるいはコイル巻きする
ことができず、この点を克服することが実用化への第１
歩となる。However, since ceramics are hard and not brittle, the currently practical Na-Ti and Na3Sn
Unlike conventional superconducting wire, it cannot be bent or coiled, and overcoming this point is the first step toward practical application.
Ayumu becomes.
現在コイル形成方法として、
■アモルファスのテープあるいは線材のコイル巻きした
後、酸素雰囲気下で加熱処理する方法、０合金管（例え
ばＣｕ−Ｎｉ合金）の内部に原料の粉末を充填し、両端
を引張って線材やテープ状とした後、コイルを形成する
方法、
■銅系合金管内にセラミックスを充填し、熱処理および
圧延加工等を施して線材やテープ状とした侵、コイルを
形成する方法、等が提案されている。Current coil forming methods include: 1. A method in which amorphous tape or wire is wound into a coil and then heat treated in an oxygen atmosphere; 2. A method in which raw material powder is filled inside a 0 alloy tube (e.g. Cu-Ni alloy) and both ends are pulled. A method of filling a copper alloy tube with ceramics, heat-treating it, rolling it, etc. to form a wire or tape shape, and then forming a coil. Proposed.
現状では上記の方法で試作された線材の臨界密度は、実
用化されているＮｂ−Ｔ ｉ系やＮｂ３Ｓｎ系の超電導
線に比較して著しく小さく、これは線材化等の加工によ
り素材の性能が低下することによるためである。Currently, the critical density of the wire prototyped using the above method is significantly lower than that of the Nb-Ti and Nb3Sn-based superconducting wires that have been put into practical use, and this is because the performance of the material has deteriorated due to processing such as making it into a wire. This is due to the decrease in the amount of water.
（発明が解決しようとする問題点）
本発明は上記の難点を解消するためになされたもので、
線材を用いずに巻枠上に直接コイルを形成することによ
り、線材化の困難なセラミックスの難点を克服するとと
もに、線材化に伴う超電導特性の低下を併せて防止した
超電導マグネットの製造方法を提供することをその目的
とする。(Problems to be solved by the invention) The present invention has been made to solve the above-mentioned difficulties.
Provides a method for manufacturing superconducting magnets that overcomes the difficulties of ceramics, which are difficult to make into wires, by forming coils directly on the winding frame without using wires, and also prevents deterioration in superconducting properties that would be caused by making wires. Its purpose is to.
［発明の構成）
（問題点を解決するための手段）
本発明のセラミックス系超電導マグネットの製造方法は
、
（イ）円筒状の巻枠の外周に線条体をソレノイド状に巻
回する工程と、
（ロ）前記巻枠の外周にセラミックス系超電導体よりな
る粉体を溶射する工程と、
（ハ）前記線条体を除去する工程と、
（ニ）熱処理を施しで前記巻枠外周の溶射粉体を焼結す
る工程と、
（ホ）前記線状体の除去部分に絶縁体を充填する工程と
からなることを特徴とする。[Structure of the Invention] (Means for Solving the Problems) The method for manufacturing a ceramic superconducting magnet of the present invention includes the steps of: (a) winding a filament in a solenoid shape around the outer periphery of a cylindrical winding frame; (b) thermal spraying powder made of ceramic superconductor onto the outer periphery of the winding frame; (c) removing the filament; (d) thermal spraying the outer periphery of the winding frame through heat treatment. The method is characterized by comprising a step of sintering the powder; and (e) a step of filling the removed portion of the linear body with an insulator.
（作 用）
本発明においては、巻枠外周にセラミックス超電導材料
よりなる粉末をソレノイド状に溶射してコイルを形成す
るため、硬く、かつ脆いセラミックスの線材化の困難が
回避し得るだけでなく、再焼結する際の熱処理も大気中
で施すことができ、線材化した場合の熱処理時の酸素の
供給が困難である問題点も一挙に解決することができる
。(Function) In the present invention, since a coil is formed by thermally spraying powder made of ceramic superconducting material in a solenoid shape on the outer periphery of the winding frame, it is possible not only to avoid the difficulty of turning hard and brittle ceramics into wires, but also to Heat treatment during resintering can also be performed in the atmosphere, and the problem of difficulty in supplying oxygen during heat treatment when made into a wire can be solved at once.
（実施例） 以下本発明の一実施例について説明する。(Example) An embodiment of the present invention will be described below.
まず第２図に示すように、金属円筒の外周にセラミック
ス（例えば５ｒＴｉ（ｈ等）を溶射した、あるいはセラ
ミックスよりなる円筒状の巻枠１の外周に線状のスペー
サ２をソレノイド状に巻回する。First, as shown in Fig. 2, a linear spacer 2 is wound in a solenoid shape around the outer periphery of a cylindrical winding frame 1, which is made of a cylindrical winding frame 1 that is made of a metal cylinder that is thermally sprayed with ceramics (for example, 5rTi (h, etc.)) or made of ceramics. do.
このスペーサは可撓性を有するものであればよく、例え
ば金属や合成樹脂からなる平角形状の線材を用いること
ができる。This spacer only needs to be flexible, and for example, a rectangular wire made of metal or synthetic resin can be used.
次に、予め焼結して作成したＹ−Ｂ＾−Ｃｕ−０系等の
超［９セラミツクスを機械的に破砕して粉体とし、この
粉体３を第３図に示すように、上記の巻枠外より全面に
溶射する。Next, super [9 ceramics such as Y-B^-Cu-0 series made by sintering in advance are mechanically crushed into powder, and this powder 3 is transformed into the above-mentioned powder as shown in Fig. 3. Thermal spray is applied to the entire surface from the outside of the reel.
その後、スペーサ２を巻枠１から除去することにより、
第４図に示すように、巻枠１の外周に上記の粉体３がソ
レノイド状に溶射されたコイル４を得る。このコイル４
を大気中で熱処理して粉体３を再焼結させた後、コイル
を円筒状容器内に収容して、コイル外周と円筒状容器の
間隙にエポキシ樹脂を充填し、次いでこれを硬化せしめ
る。After that, by removing the spacer 2 from the winding frame 1,
As shown in FIG. 4, a coil 4 is obtained in which the powder 3 described above is sprayed in a solenoid shape on the outer periphery of a winding frame 1. This coil 4
After re-sintering the powder 3 by heat treatment in the atmosphere, the coil is housed in a cylindrical container, and the gap between the outer periphery of the coil and the cylindrical container is filled with epoxy resin, which is then hardened.
円筒状容器から取り出して得られたマグネット５の構造
を第１図に示す。このマグネット５においては、巻枠１
の外周に超電導セラミックスよりなるソレノイドコイル
６が形成され、この１イル間の絶縁層と外側の補強層と
をエポキシ樹脂の硬化層７が形成している。The structure of the magnet 5 obtained by taking it out from the cylindrical container is shown in FIG. In this magnet 5, the winding frame 1
A solenoid coil 6 made of superconducting ceramics is formed on the outer periphery of the coil, and a hardened layer 7 of epoxy resin forms an insulating layer between the coils and an outer reinforcing layer.
なお図中符号８はステンレス補強層である。Note that the reference numeral 8 in the figure is a stainless steel reinforcing layer.
［発明の効果］
以上述べたように本発明によるヒラミックス系超電導マ
グネットの製造方法によれば、セラミックスの溶射によ
り直接コイルを形成することができるため、線材加工の
困難さや、線材加Ｊ：時の超電導特性の低下の問題点が
同時に回避することができる上、その方法も簡単である
利点を右する。[Effects of the Invention] As described above, according to the method for manufacturing a Hiramix-based superconducting magnet according to the present invention, a coil can be directly formed by thermal spraying of ceramics, which eliminates the difficulty of wire processing and the time required to process the wire. The problem of deterioration of superconducting properties can be avoided at the same time, and the method has the advantage of being simple.
第１図は本発明の方法により製造されたマグネットの断
面図、第２図はないし第４図はその製造工程を示す側面
図であり、第２図はスペーサ巻回後の状態を示す側面図
、第３図は粉体溶射後の状態を示す側面図、第４図はス
ペーサ除去後の状態を示す側面図である。
１・・・・・・・・・巻枠
２・・・・・・・・・スペーサ
３・・・・・・・・・粉体
４・・・・・・・・・コイル
５・・・・・・・・・マグネット
６・・・・・・・・・ソレノイドコイル７・・・・・・
・・・エポキシ樹脂硬化層出願人 昭和電線電
纜株式会社代理人 弁理士 須 山 佐 −
（ほか１名）
第１図
第２図
第３図
第４図FIG. 1 is a sectional view of a magnet manufactured by the method of the present invention, FIGS. 2 to 4 are side views showing the manufacturing process, and FIG. 2 is a side view showing the state after spacer winding. , FIG. 3 is a side view showing the state after powder spraying, and FIG. 4 is a side view showing the state after spacer removal. 1...... Winding frame 2... Spacer 3... Powder 4... Coil 5...・・・・・・Magnet 6・・・・・・Solenoid coil 7・・・・・・
... Epoxy resin hardened layer Applicant: Showa Cable and Wire Co., Ltd. Representative: Patent attorney Sa Suyama - (1 other person) Figure 1 Figure 2 Figure 3 Figure 4
Claims (1)
状に巻回する工程と、 （ロ）前記巻枠の外周にセラミックス系超電導体よりな
る粉体を溶射する工程と、 （ハ）前記線条体を除去する工程と、 （ニ）熱処理を施して前記巻枠外周の溶射粉体を焼結す
る工程と、 （ホ）前記線条体の除去部分に絶縁体を充填する工程と
からなることを特徴とするセラミックス系超電導マグネ
ットの製造方法。(1) (a) a step of winding a filament in a solenoid shape around the outer periphery of a cylindrical winding frame; (b) a step of spraying powder made of ceramic superconductor on the outer periphery of the winding frame; (c) a step of removing the filament; (d) a step of performing heat treatment to sinter the sprayed powder on the outer periphery of the winding frame; and (e) filling the removed portion of the filament with an insulator. A method for manufacturing a ceramic superconducting magnet, comprising the steps of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10722487A JPS63272017A (en) | 1987-04-30 | 1987-04-30 | Manufacture of superconducting ceramic magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10722487A JPS63272017A (en) | 1987-04-30 | 1987-04-30 | Manufacture of superconducting ceramic magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63272017A true JPS63272017A (en) | 1988-11-09 |
Family
ID=14453637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10722487A Pending JPS63272017A (en) | 1987-04-30 | 1987-04-30 | Manufacture of superconducting ceramic magnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63272017A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63278309A (en) * | 1987-05-11 | 1988-11-16 | Fujikura Ltd | Manufacture of superconductive coil |
| JPS6419704A (en) * | 1987-07-15 | 1989-01-23 | Fujikura Ltd | Manufacture of oxide superconducting coil |
| EP0507283A1 (en) * | 1991-04-02 | 1992-10-07 | Sumitomo Electric Industries, Limited | High-temperature superconducting coil and method of manufacturing thereof |
-
1987
- 1987-04-30 JP JP10722487A patent/JPS63272017A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63278309A (en) * | 1987-05-11 | 1988-11-16 | Fujikura Ltd | Manufacture of superconductive coil |
| JPS6419704A (en) * | 1987-07-15 | 1989-01-23 | Fujikura Ltd | Manufacture of oxide superconducting coil |
| EP0507283A1 (en) * | 1991-04-02 | 1992-10-07 | Sumitomo Electric Industries, Limited | High-temperature superconducting coil and method of manufacturing thereof |
| AU654339B2 (en) * | 1991-04-02 | 1994-11-03 | Sumitomo Electric Industries, Ltd. | High temperature superconducting coil and method of manufacturing thereof |
| US5512867A (en) * | 1991-04-02 | 1996-04-30 | Sumitomo Electric Industries, Ltd. | High temperature superconducting coil and method of manufacturing thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6603379B1 (en) | Superconducing wind-and-react-coils and methods of manufacture | |
| EP0423354B2 (en) | Oxide superconductor wire, method of producing the same and article produced therefrom | |
| JPH0268820A (en) | Electric conductor in the form of wire or cable | |
| US5434129A (en) | Method for manufacturing high tc superconductor coils | |
| JPS63272017A (en) | Manufacture of superconducting ceramic magnet | |
| JPS63278210A (en) | Manufacture of ceramic superconductive magnet | |
| JP3158408B2 (en) | Oxide superconducting wire and manufacturing method thereof | |
| JPH0395806A (en) | Superconductive conductor, its manufacture and superconducting coil formed by using the same superconductive conductor | |
| US5758405A (en) | Consumable mandrel for superconducting magnetic coils | |
| JP2844632B2 (en) | Oxide superconducting wire and manufacturing method thereof | |
| JP2651018B2 (en) | High magnetic field magnet | |
| JPH05114313A (en) | Superconducting current limiting wire and its manufacture | |
| JPH05266726A (en) | Oxide superconducting wire | |
| JPS63291311A (en) | Superconducting wire | |
| JPH01143108A (en) | Manufacture of ceramics superconductive wire | |
| JPH02253515A (en) | Ceramics superconducting line and manufacture thereof | |
| JPH02253516A (en) | Ceramics superconducting line and manufacture thereof | |
| AU709072B2 (en) | Method of making superconducting wind-and-react coils | |
| JPH01282804A (en) | Manufacture of ceramic group superconducting magnet | |
| JP2979547B2 (en) | Manufacturing method of oxide superconducting coil | |
| JPH01282803A (en) | Manufacture of ceramic group superconducting magnet | |
| JPH01112709A (en) | Superconducting coil composed of ceramic | |
| JPH05114509A (en) | Manufacture of oxide superconducting coil | |
| BROWN et al. | Method of fabricating a twisted composite superconductor(Twisted wire or tube superconductor for filament windings)[Patent] | |
| JPH04155715A (en) | Manufacture of ceramic superconductor |