JPS63236220A - Wire forming method for oxide superconductive material - Google Patents
Wire forming method for oxide superconductive materialInfo
- Publication number
- JPS63236220A JPS63236220A JP62070038A JP7003887A JPS63236220A JP S63236220 A JPS63236220 A JP S63236220A JP 62070038 A JP62070038 A JP 62070038A JP 7003887 A JP7003887 A JP 7003887A JP S63236220 A JPS63236220 A JP S63236220A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- heat
- fired
- oxide superconducting
- superconductive material
- 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
- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims description 14
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims abstract 2
- 239000012210 heat-resistant fiber Substances 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000002887 superconductor Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000009941 weaving Methods 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-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
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、セラミックの一種である酸化物超伝導材料
を線状にして環カケープル、通信ケーブル、超伝導磁石
等に使用できるようにするものであるＯ
〔従来の技術〕
酸化物超伝導材料に関して、その超伝導臨界温度（Ｔｃ
）の高いものが発明されつつある。超伝導材料は大きく
分けて二種類ある。一つは金属系のもので、鉛（Ｐｂ）
、ニオブ（Ｎｂ）、バナジウム（Ｖ）等あるいはこれら
の合金類である。これらの材料は金属材料であるため線
材化は容易で、細線に線引きされている。[Detailed Description of the Invention] [Field of Industrial Application] The present invention is a method for making an oxide superconducting material, which is a type of ceramic, into a linear shape so that it can be used for ring cables, communication cables, superconducting magnets, etc. [Prior art] Regarding oxide superconducting materials, their superconducting critical temperature (Tc
) are being invented. There are two main types of superconducting materials. One is metal-based, lead (Pb).
, niobium (Nb), vanadium (V), etc., or alloys thereof. Since these materials are metal materials, they can be easily made into wires and drawn into thin wires.
しかしながら、主に希土類を含む鋼の複合酸化物からな
る酸化物超伝導材料はセラミックスであるため固くて脆
い性質を持っているため、焼成後は加熱しても線材とし
て加工することは出来ない。However, since oxide superconducting materials, which are made of composite oxides of steel mainly containing rare earth elements, are ceramics, they are hard and brittle, so they cannot be processed into wire rods even if heated after firing.
このため、酸化物超伝導材料の構成材料である金属成分
だけを高温で溶かし、合金を作り、急冷してアモルファ
ス状態のテープ状にして次にこのテープを酸素雰囲物中
に入れて超伝導セラミックスを作る方法が考案されてい
る。しかしながら、この方法では、テープ状のものしか
得られず、合金組成と酸化物超伝導材料が必ずしも一致
せず望みの超伝導特性が得られないという欠点がある。For this reason, only the metal components that make up the oxide superconducting material are melted at high temperatures to create an alloy, which is then rapidly cooled to form an amorphous tape.Then, this tape is placed in an oxygen atmosphere to make it superconducting. A method of making ceramics has been devised. However, this method has the disadvantage that only a tape-like material can be obtained, and that the alloy composition and the oxide superconducting material do not necessarily match, making it impossible to obtain the desired superconducting properties.
別の方法として、銅とニッケルの合金のさやの中に原料
の粉末を詰めてから、さやの両端を引っばって伸ばし、
リボン状や線状にする方法がある。Another method is to fill a copper-nickel alloy pod with raw powder and then stretch it by pulling on both ends of the pod.
There are ways to make it ribbon-like or linear.
この方法は酸化物Ｈ伝導材料を焼成するために圧力によ
って発生する熱を利用しているため、焼成条件が複雑な
酸化物超伝導材料には適用できない欠点がある。Since this method uses heat generated by pressure to sinter the oxide H conductive material, it has the disadvantage that it cannot be applied to oxide superconducting materials for which the sintering conditions are complicated.
本発明は、固くて脆い酸化物超伝導材料を線材化すると
同時に、その保護層を作る方法を提供するものである。The present invention provides a method for forming a wire from a hard and brittle oxide superconducting material and at the same time creating a protective layer therefor.
本発明は耐熱性繊維を用いて酸化物超伝導材料を線材化
することを特徴とし、従来の技術に比べて線材の太さを
自由に選ぶことができ、かつ連続線材化が可能なため、
長尺な線材を得ることも可能である。The present invention is characterized in that an oxide superconducting material is made into a wire using heat-resistant fibers, and the thickness of the wire can be freely selected compared to conventional techniques, and it is possible to make a continuous wire.
It is also possible to obtain long wires.
具体的には炭化ケイ素繊維１石英繊維、ステンレススチ
ール繊維、ロックウール等の酸化物超伝導材料を焼成す
る温度（１０００〜／２００′Ｃ）で安定で、かつ柔軟
性を失なわない繊維（太さは数ミクロンから数十ミクロ
ン）を酸化物超伝導材料の原料粉末がこぼれ出さない程
度に密に筒状に編み上げ、その筒状内部に酸化物超伝導
材料の原料粉末を充填した後、あるいは、可塑剤により
成形した原料を上記繊維で巻きつけた後焼成することを
主要な特徴としているため、従来技術のように原料組成
の不均一性、焼成条件の制限がない。Specifically, silicon carbide fiber 1 is a fiber (thick) that is stable and does not lose its flexibility at the temperature (1000 to /200'C) at which oxide superconducting materials such as quartz fiber, stainless steel fiber, and rock wool are fired. After the raw material powder of the oxide superconducting material is woven into a cylindrical shape tightly enough to prevent the raw material powder of the oxide superconducting material from spilling out, and the raw material powder of the oxide superconducting material is filled inside the cylindrical shape, or , the main feature is that the raw material molded with a plasticizer is wrapped with the above fibers and then fired, so there is no non-uniformity of the raw material composition or restrictions on firing conditions unlike in the prior art.
以下１図を使用して本発明の詳細な説明する。 The present invention will be explained in detail below using FIG.
第１図は本発明で得た、線材化された酸化物超伝導材料
の構成を示す。／は耐熱性の繊維、２は酸化物超伝導材
料を示す。（ａ）は断面図、（ｂ）は線材の外観図を示
す。第１図において、耐熱性繊維は数ミクロンの太さを
持ったものが束状にされて、第１図（ｂ）で示したよう
に密に編まれて筒状連続体を構成している。耐熱性繊維
は細い繊維を束状てしであるため、柔軟性があり、かつ
酸化物超伝導材料を保獲する役目を持つ。FIG. 1 shows the structure of a wire-shaped oxide superconducting material obtained by the present invention. / indicates a heat-resistant fiber, and 2 indicates an oxide superconducting material. (a) shows a cross-sectional view, and (b) shows an external view of the wire. In Figure 1, heat-resistant fibers with a thickness of several microns are bundled and densely woven to form a cylindrical continuous body as shown in Figure 1(b). . Since heat-resistant fibers are bundles of thin fibers, they are flexible and have the role of retaining oxide superconducting materials.
第２図は、本発明による別な線材化の構成例を示す。第
２図に示すように、酸化物超伝導材料の引張り方向の強
度を補強するため、耐熱性繊維を酸化物超伝導材料の中
心に配置しても良い。FIG. 2 shows another example of the configuration of wire rod according to the present invention. As shown in FIG. 2, heat-resistant fibers may be placed at the center of the oxide superconducting material in order to reinforce the strength of the oxide superconducting material in the tensile direction.
第３図は、本発明による方法で、長尺な線材化した酸化
物超伝導材料を得るための構成を示す。FIG. 3 shows a configuration for obtaining an oxide superconducting material in the form of a long wire by the method according to the present invention.
／は耐熱性繊維、３は酸化物超伝導材料の原料で、目的
とする酸化物超伝導材料の他に可塑剤として熱可塑性プ
ラスチック、ポリエチレングリコール。/ is a heat-resistant fiber, 3 is a raw material for an oxide superconducting material, and in addition to the intended oxide superconducting material, thermoplastic plastic and polyethylene glycol are used as plasticizers.
ワンクスエマルジョン等を含んでいる。これらの物質は
焼成によりすべて消失するものであり、線材の特性には
影響しない。≠は酸化物超伝導材料の原料３を加圧して
連続的に送り出すことのできる押出機のノズル部を示す
。夕は酸化物超伝導材料を焼成する加熱炉である。Contains Wanx emulsion etc. All of these substances disappear by firing and do not affect the properties of the wire. ≠ indicates a nozzle part of an extruder that can pressurize and continuously send out the raw material 3 of the oxide superconducting material. The heating furnace is used to sinter oxide superconducting materials.
第３図による酸化物超伝導材料の線材化プロセスを説明
する。≠の押出機ノズルは十分に長くして、その先端部
分ば／の耐熱性繊維で編まれた筒状物で被覆されている
。３の材料は弘の押出し機で連続的に／の耐熱性繊維で
作られた筒状物の中に送り込まれ、次に夕の加熱炉へ入
り４、適切な加熱条件のもとて焼成される。焼成された
線材は巻き取り機で巻き取られる。The process of forming an oxide superconducting material into a wire rod according to FIG. 3 will be explained. The extruder nozzle (≠) is made sufficiently long, and its tip portion is covered with a cylindrical material knitted with heat-resistant fibers. The material in step 3 is continuously fed into a cylindrical object made of heat-resistant fibers using a Hiroki extruder, then enters a heating furnace in step 4, where it is fired under appropriate heating conditions. Ru. The fired wire is wound up by a winding machine.
また、本発明の方法に依れば、このような連続的製造方
法ばかシではなく、曲率半径の小さいものに超伝導材料
を適用しようとする場合は、焼成前に目的とする曲率半
径に曲げてから焼成することもできる。Moreover, according to the method of the present invention, instead of using such a continuous manufacturing method, when applying a superconducting material to a material with a small radius of curvature, it is possible to bend the material to the desired radius of curvature before firing. You can also bake it afterwards.
第３図の方法においては、耐熱性繊維／は必ずしも編ま
れる必要はなく、原料３のうえに密に巻きつけてもよい
。In the method shown in FIG. 3, the heat-resistant fibers do not necessarily need to be knitted, but may be tightly wound around the raw material 3.
以上説明したように本発明による酸化物超伝導材料の線
材化方法を用いれば、長尺の酸化物超伝導材料の線材が
得られるから、送電線１通信用媒体、超伝導磁有用コイ
ル等に適用できる利点がある。As explained above, by using the method of making a wire from an oxide superconducting material according to the present invention, a long wire made of an oxide superconducting material can be obtained, which can be used as a communication medium for power transmission lines, a superconducting magnetic useful coil, etc. There are applicable benefits.
【図面の簡単な説明】
第１図は本発明の方法によって得られる線材化超伝導材
料の構成図で、（ａ）は線材の断面、（ｂ）は線材の外
観を示す。
第２図は本発明の方法の実施によって得られる他の例、
第３図は本発明による方法を連続的に実現するための構
成を示す図である。
／・・・耐熱性繊維、−・・・酸化物超伝導材料、３・
・・酸化物超伝導材料の原料、弘・・・押し出し機のノ
ズル部、！・・・加熱炉。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a superconducting material made into a wire obtained by the method of the present invention, in which (a) shows a cross section of the wire, and (b) shows the appearance of the wire. FIG. 2 shows another example obtained by implementing the method of the invention, and FIG. 3 shows a configuration for continuously implementing the method of the invention. /...Heat-resistant fiber, -...Oxide superconducting material, 3.
... Raw materials for oxide superconducting materials, Hiroshi... Nozzle part of extruder,! ···heating furnace.
Claims (2)
より酸化物超伝導材料となる原料を充填する工程と、該
複合体を焼成する工程からなることを特徴とする酸化物
超伝導材料の線材化方法。(1) An oxide superconductor characterized by comprising a step of filling a raw material that becomes an oxide superconducting material by firing into the cylinder of a cylindrical protective material made of heat-resistant fibers, and a step of firing the composite. Method for converting conductive materials into wire rods.
レススチール繊維、ロックウールのいずれかであること
を特徴とする特許請求の範囲第１項記載の酸化物超伝導
材料の線材化方法。(2) The method for producing a wire from an oxide superconducting material according to claim 1, wherein the heat-resistant fiber is any one of silicon carbide fiber, quartz fiber, stainless steel fiber, and rock wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62070038A JPS63236220A (en) | 1987-03-24 | 1987-03-24 | Wire forming method for oxide superconductive material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62070038A JPS63236220A (en) | 1987-03-24 | 1987-03-24 | Wire forming method for oxide superconductive material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63236220A true JPS63236220A (en) | 1988-10-03 |
Family
ID=13420015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62070038A Pending JPS63236220A (en) | 1987-03-24 | 1987-03-24 | Wire forming method for oxide superconductive material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63236220A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63250023A (en) * | 1987-04-03 | 1988-10-17 | Yoshihito Watanabe | Carbon material superconductive material composite electric wire |
| JPH09185915A (en) * | 1987-02-05 | 1997-07-15 | Sumitomo Electric Ind Ltd | Manufacture of composite oxide ceramic superconducting wire |
| JP2012523065A (en) * | 2009-03-25 | 2012-09-27 | ネクサン | Superconducting electrical cable |
-
1987
- 1987-03-24 JP JP62070038A patent/JPS63236220A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09185915A (en) * | 1987-02-05 | 1997-07-15 | Sumitomo Electric Ind Ltd | Manufacture of composite oxide ceramic superconducting wire |
| JPS63250023A (en) * | 1987-04-03 | 1988-10-17 | Yoshihito Watanabe | Carbon material superconductive material composite electric wire |
| JP2012523065A (en) * | 2009-03-25 | 2012-09-27 | ネクサン | Superconducting electrical cable |
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