JPS63292523A - Manufacture of superconductor cable - Google Patents
Manufacture of superconductor cableInfo
- Publication number
- JPS63292523A JPS63292523A JP62129487A JP12948787A JPS63292523A JP S63292523 A JPS63292523 A JP S63292523A JP 62129487 A JP62129487 A JP 62129487A JP 12948787 A JP12948787 A JP 12948787A JP S63292523 A JPS63292523 A JP S63292523A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- powder
- wire
- linear body
- conductive metal
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000002887 superconductor Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract description 4
- 229910052688 Gadolinium Inorganic materials 0.000 abstract description 2
- 239000000470 constituent Substances 0.000 abstract description 2
- 229910052727 yttrium Inorganic materials 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910002090 carbon oxide Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 239000011812 mixed powder Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 6
- 238000010304 firing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 235000010585 Ammi visnaga Nutrition 0.000 description 1
- 244000153158 Ammi visnaga Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 101100398686 Drosophila melanogaster larp gene Proteins 0.000 description 1
- 101100510663 Mus musculus Larp1 gene Proteins 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000657 niobium-tin Inorganic materials 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 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］
本発明は、超電導線、特にセラミックス系超電導体を用
いた線材の製造法に関りるｂのである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for manufacturing a superconducting wire, particularly a wire using a ceramic superconductor.
［従来技術とその問題貞］
従来、超電導線材としては、ｌ”ＪｂＴｉ、Ｎｂ３Ｓｎ
等比較的加工竹に冨む金属の範ちゅうに入るものが用い
られていたが、いずれも超電導転移温痕（ＴＯ）が２０
に程度以下のものであり、超電導特性を実現させる１＝
めには、高価な液体ヘリウムを使用しな【ノればならな
かった。[Prior art and its problems] Conventionally, as superconducting wire materials, l"JbTi, Nb3Sn
The metals used were relatively rich in processed bamboo, but all of them had a superconducting transition temperature mark (TO) of 20.
1= which realizes superconducting properties.
For this purpose, expensive liquid helium had to be used.
ところ淳、最近セラミックス系の超電導材料が発見され
、高いＴ Ｃｆａを示すことが判った。これらは、いず
れも粉末を混合し、高温で焼成したペット状の試料で特
性が確認されただけ（・線材への加］−は試みられてい
ない１゜
［発明の目的１
本発明の目的は、高いＴｃ値を示すセラミックス系超電
導材について、実用上有用な線材に加工する製造法を提
供することにある。However, a ceramic-based superconducting material has recently been discovered and has been found to exhibit a high T Cfa. The properties of these materials have only been confirmed in pet-like samples made by mixing powder and firing at high temperatures (addition to wire rods). An object of the present invention is to provide a manufacturing method for processing a ceramic superconducting material exhibiting a high Tc value into a practically useful wire rod.
［発明の概要］
本発明の要旨は、焼成して超電導特性を示すセラミック
ス系超電導材料の粉末体を導電性金属のテープでくるん
で線月としたことにある。[Summary of the Invention] The gist of the present invention is that a powder body of a ceramic superconducting material exhibiting superconducting properties upon firing is wrapped in a conductive metal tape to form a wire.
この場合、セラミックス系超電導材料としては、式ＭＢ
８２ＣＬＪ３０７’（但（〕、ＭはＹ、Ｇｄ、１−Ｕｌ
Ｆ ＬＪを表１）等を与える理論量の各構成元素の酸化
物、炭酸化物等の混合籾米を成形した後焼成したもので
、本発明の実施にあたっては、イの焼成材料を粉砕した
ものが使用される。この粉末状に加］ニされた材料は充
填率により臨界電流密痕（ＪＣ）が変化するので、Ｊ
ｃ （ｉＴｌの変化が少ない９５％以−にの、充填率が
得られるように加１することが望ましい。In this case, the ceramic superconducting material has the formula MB
82CLJ307' (However, M is Y, Gd, 1-Ul
F LJ is obtained by molding and firing a mixture of oxides, carbonates, etc. of each constituent element in the theoretical amount that gives LJ in Table 1). used. The critical current density (JC) of this powdered material changes depending on the filling rate, so J
(c) It is desirable to add 1 so as to obtain a filling rate of 95% or more with little change in iTl.
尚、被覆用の導電性テープ月利としては、Ｃｕ、八ｇ、
ＡＱ、ＡＵ等が用いられる。In addition, the monthly rate of conductive tape for coating is Cu, 8g,
AQ, AU, etc. are used.
［実 施 例］
第１図は、セラミックス系超電導材料の粉末体２を金属
デ〜−１１でくるむ場合の例を示しＣいる。[Example] FIG. 1 shows an example in which a powder body 2 of a ceramic superconducting material is wrapped in a metal layer 2.
連続的に繰出された金属、例えばＣｕテープ２は第１の
成形「１−ル３によってＵ字状に成形され、第２の成形
ロール４でパイプ状に成形された後、側縁の突合部がＴ
Ｉ Ｇ溶接５にＪ、り溶接されて巻取られるが、成形
ロール３と４の間でテープ１上にはホッパー６からレラ
ミック系超電導材料の粉床体２が連続的に供給される。Continuously fed metal, for example, a Cu tape 2, is formed into a U-shape by a first forming roll 3, formed into a pipe shape by a second forming roll 4, and then formed into a pipe shape by a second forming roll 4. is T
The tape 1 is welded to the IG weld 5 and wound up, and a powder bed 2 of the relamic superconducting material is continuously supplied from a hopper 6 onto the tape 1 between the forming rolls 3 and 4.
従って、成形１−１−ル４部を通過したＣｕパイプは、
第３図に示すようじ、内部に粉末２が充填されたものと
なる。Therefore, the Cu pipe that has passed through the 4 parts of forming 1-1-ru is
The toothpick shown in FIG. 3 is filled with powder 2 inside.
ホッパー６から供給される粉末２は、例えば、Ｙ２Ｏ３
、ＢａＣＯ３及びＣＬＪ Ｏ微粉末をＹ：Ｂａ ：Ｃｕ
＝１ ： ２ ： ７になる割合に混合して加圧成形し
、これを９００℃で焼成したものを粉砕しく微粉末状に
したものが用いられる。The powder 2 supplied from the hopper 6 is, for example, Y2O3
, BaCO3 and CLJ O fine powder as Y:Ba:Cu
The mixture is mixed in a ratio of 1:2:7, pressure-molded, and fired at 900° C., which is then pulverized into a fine powder.
７−プ１から被覆用のパイプを形成する際の溶接は必ず
しも必要でなく、第４図に示すように、テープ１の両側
縁部を重ね合わせ密着させるようにしてもよい。そうＪ
ることにより、芯となる粉末２が巻き締められ、粉末の
充填率を高めることができる。Welding is not necessarily required when forming a covering pipe from the tape 1, and as shown in FIG. 4, both side edges of the tape 1 may be overlapped and brought into close contact. Yes J
By doing so, the core powder 2 is tightly wound, and the filling rate of the powder can be increased.
得られた複合線材１２はその後、伸線ダイス７．８．９
を用いて所定の線径に減面加工され、超電導線材どし°
（利用されるが、再度焼成処理を行ってもよい。The obtained composite wire 12 is then passed through a wire drawing die 7.8.9
The surface of the superconducting wire is reduced to a specified wire diameter using
(Although it is used, the firing process may be performed again.
第５図は減面力ＬＬ前の複合線材１２を得る場合の別の
例を示し、粉末を直接供給する代りに、セラミックス系
超電導材料の粉末を溶媒と渥練したものを押出成形して
乾燥させた線材２１を用いている。Figure 5 shows another example of obtaining the composite wire 12 before surface reduction force LL, in which instead of directly supplying powder, ceramic superconducting material powder is kneaded with a solvent and then extruded and dried. The wire rod 21 is used.
このようにすることにより、充填率が高く、かつ均一な
ものとすることができる。By doing so, the filling rate can be high and uniform.
［発明の効果］
本発明によれば、粉末体を金属ラープでくるんで線材と
する方法であるから、高い超電導転移湿度をもつセラミ
ックス系超電導線材を容易に得ることができる利点があ
る。[Effects of the Invention] According to the present invention, since a powder is wrapped in a metal larp to form a wire, there is an advantage that a ceramic superconducting wire having a high superconducting transition humidity can be easily obtained.
第１図及び第２図は本発明に係る製造法の一例を示す説
明図、第３図はその例の途中で得られた複合線材の断面
図、第４図は別の例の途中で得られた複合線材の断面図
、第５図は複合線材を成形づる別の例をを示す説明図で
ある。
１：導電性金属テープ、
２：ヒラミックス系超電導材料の粉末
体、
３．４：成形ロール、
６：ボッパー、
７．８及び９：伸線ダイス、
１２：複合線材。
図面の浄書
第１図
第２図
第３図 第４図
６、補正の対象
図 面
手続補正書防幻
６２．８．１１
昭和 年 月 日1 and 2 are explanatory diagrams showing an example of the manufacturing method according to the present invention, FIG. 3 is a cross-sectional view of a composite wire obtained in the middle of that example, and FIG. 4 is a cross-sectional view of a composite wire obtained in the middle of another example. FIG. 5 is an explanatory view showing another example of forming the composite wire. 1: Conductive metal tape, 2: Powder of Hiramix superconducting material, 3.4: Forming roll, 6: Bopper, 7.8 and 9: Wire drawing die, 12: Composite wire. Engraving of the drawings Figure 1 Figure 2 Figure 3 Figure 4 Figure 6, drawings subject to amendment Drawing procedure amendment book 62.8.11 Showa year Month Date
Claims (4)
ミックス系超電導材料の粉末体を供給して前記テープの
両側縁部を閉じて線状体となした後、その線状体を所定
の線径に減面加工することを特徴とする超電導線の製造
法。(1) A powder body of ceramic superconducting material is supplied onto a conductive metal tape curved in the width direction, and both edges of the tape are closed to form a linear body, and then the linear body is shaped into a predetermined shape. A method for producing a superconducting wire characterized by reducing the surface area to a wire diameter of .
載の製造法。(2) The manufacturing method according to item 1 above, wherein both side edges of the tape are closed by welding.
第１項記載の製造法。(3) The manufacturing method according to item 1 above, wherein both side edges of the tape are overlapped and closed.
記第１項、第２項又は第３項に記載の製造法。(4) The manufacturing method according to the above item 1, 2 or 3, wherein the powder is formed into a wire rod and supplied onto the tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62129487A JPS63292523A (en) | 1987-05-26 | 1987-05-26 | Manufacture of superconductor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62129487A JPS63292523A (en) | 1987-05-26 | 1987-05-26 | Manufacture of superconductor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63292523A true JPS63292523A (en) | 1988-11-29 |
Family
ID=15010694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62129487A Pending JPS63292523A (en) | 1987-05-26 | 1987-05-26 | Manufacture of superconductor cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63292523A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63308810A (en) * | 1987-05-20 | 1988-12-16 | カーベルメタル・エレクトロ・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | Superconductor which can be taken up by winding and manufacture of the same |
| JPH01211813A (en) * | 1987-03-31 | 1989-08-25 | Sumitomo Electric Ind Ltd | Production of superconductive wire |
| CN113182380A (en) * | 2021-07-02 | 2021-07-30 | 中国航发北京航空材料研究院 | Manufacturing method of aluminum alloy conductor |
-
1987
- 1987-05-26 JP JP62129487A patent/JPS63292523A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01211813A (en) * | 1987-03-31 | 1989-08-25 | Sumitomo Electric Ind Ltd | Production of superconductive wire |
| JPS63308810A (en) * | 1987-05-20 | 1988-12-16 | カーベルメタル・エレクトロ・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | Superconductor which can be taken up by winding and manufacture of the same |
| CN113182380A (en) * | 2021-07-02 | 2021-07-30 | 中国航发北京航空材料研究院 | Manufacturing method of aluminum alloy conductor |
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