JPH01675A - How to connect oxide superconducting wire - Google Patents
How to connect oxide superconducting wireInfo
- Publication number
- JPH01675A JPH01675A JP62-154570A JP15457087A JPH01675A JP H01675 A JPH01675 A JP H01675A JP 15457087 A JP15457087 A JP 15457087A JP H01675 A JPH01675 A JP H01675A
- Authority
- JP
- Japan
- Prior art keywords
- oxide superconducting
- superconducting wires
- oxide
- superconducting wire
- wires
- 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
- 238000000034 method Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分計〕
この発明は、例えば超電導磁石等に用いられる酸化物超
電導線の接続方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application] The present invention relates to a method for connecting oxide superconducting wires used, for example, in superconducting magnets.
た従来の接続方法により接続された酸化物超電導線の断
面図であり、図において（１）および（２）は例えばイ
ツ）９ウム系酸化物からなる酸化物超電導線、（３）は
この酸化物超電導線（１１、（２１を接続するためにプ
ラズマスプレにより形成された酸化物超電導皮膜である
。1 is a cross-sectional view of an oxide superconducting wire connected by a conventional connection method, in which (1) and (2) are oxide superconducting wires made of 9ium-based oxide, for example, and (3) are oxide superconducting wires made of this oxide. This is an oxide superconducting film formed by plasma spray to connect the superconducting wires (11 and 21).
このように構成された酸化物超電導線は、酸化物超電導
線（ｔ） 、 （２１の端部どうしを重ね合わせ、その
部分をプラズマスプレにより同種の酸化物をコーティン
グして接続される。The oxide superconducting wires configured in this way are connected by overlapping the ends of the oxide superconducting wires (t) and (21) and coating the same type of oxide by plasma spraying.
従来の酸化物超電導線の接続方法ではプラズマスプレを
用いているので、酸化物超電導線（１１、＋２１の接続
を真空中で行う必要があり、例えば大型コイルの接続に
プラズマスプレを用いることは設備、真空度等の点で不
適当であるなどの問題点があった。Conventional methods for connecting oxide superconducting wires use plasma spray, so it is necessary to connect oxide superconducting wires (11 and +21) in a vacuum. For example, using plasma spray to connect large coils However, there were problems such as the degree of vacuum being inadequate.
この発明は、上記のような問題点を解消するためｄ：な
されたもので、酸化物超電導線どうしか強固に接続され
るとともに、大気中で接続できるので、大型コイルなど
の接続にも適用できる酸化物超電導線の接続方法を得る
ことを目的とする。This invention was made in order to solve the above-mentioned problems, and it is possible to connect oxide superconducting wires firmly and in the atmosphere, so it can be applied to the connection of large coils, etc. The purpose is to obtain a method for connecting oxide superconducting wires.
この発明の酸化物超電導線の接続方法は、酸化物超電導
線どうしを密着し、高温炉中で酸化物超電導線どうしを
加熱、焼結したものである。In the method for connecting oxide superconducting wires of the present invention, the oxide superconducting wires are brought into close contact with each other, and the oxide superconducting wires are heated and sintered in a high-temperature furnace.
この発明においては、酸化物超電導線どうしが加熱され
ることにより、酸化物の分子は相互拡散し、酸化物超電
導線どうしは強固に接続される。In this invention, by heating the oxide superconducting wires, oxide molecules interdiffuse and the oxide superconducting wires are firmly connected to each other.
以下、この発明の実施例を図について説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図はこの発明の第１の実施例を示す概略構成図であ
り、図において（１０）、（１１）は例えばイツトリウ
ム系酸化物からなる第１および第２の酸化物超電導線、
（１２）は第１および第２の酸化物超電導線（１０）ｔ
（１１）間に介在し、第１および第２の酸化物超電導線
（１０）、（１１）と同種の酸化物からなる超電導粉末
、（１３）は第１および第２の酸化物超電導線（１０）
、（１１）を加熱、焼結する高温炉である。FIG. 1 is a schematic configuration diagram showing a first embodiment of the present invention, in which (10) and (11) are first and second oxide superconducting wires made of, for example, yttrium-based oxide;
(12) is the first and second oxide superconducting wire (10) t
(11) superconducting powder interposed between the first and second oxide superconducting wires (10) and the same kind of oxide as (11); (13) superconducting powder interposed between the first and second oxide superconducting wires ( 10)
, (11) is a high-temperature furnace for heating and sintering.
上記のよう（：構成された酸化物超電導線どうしを接続
するには、まず第１の酸化物超電導線（１０）と第２の
酸化物超電導線（１１）との間に粉末（１２）を介在さ
せて両者（１０３１（１１）を密着させる。次に、第１
および＄２の酸化物超電導線（１０） 、 （１１）を
高温炉（１３）内に入れ、加熱、焼結する。この隙率１
の酸化物超電導線（１０）と第２の酸化物超電導線（１
１）との間の接続部では、それ等酸化物の分子が相互拡
散し、第１の酸化物超電導線（１０）と第２の酸化物超
電導＃ｊ！（１１）とは強固に接続される。In order to connect the oxide superconducting wires configured as described above, first insert powder (12) between the first oxide superconducting wire (10) and the second oxide superconducting wire (11). The two (1031 (11)) are brought into close contact by intervening. Next, the first
The oxide superconducting wires (10) and (11) of $2 are placed in a high temperature furnace (13) and heated and sintered. This porosity 1
oxide superconducting wire (10) and second oxide superconducting wire (1
1), the molecules of these oxides interdiffuse, and the first oxide superconducting wire (10) and the second oxide superconducting wire #j! (11) is strongly connected.
なお、上記実施例では第１の酸化物超電導線（１０）と
第２の酸化物超電導線（１１）との間に粉末（１２）を
介在した場合について説明したが、第１の酸化物超電導
線（１ａ）と第２の酸化物超電導線（１１）とを直接接
続したものでもよい。また、第１の酸化物超電導線（１
０）と第２の酸化物超電導線（１りとの接続面を、両者
（１０）、（１１）の接続強度を向上するために第２図
に示すように傾斜状、または第３図に示すように凹凸状
にし、接続面の面積を増大してもよい。In addition, in the above embodiment, the case where the powder (12) was interposed between the first oxide superconducting wire (10) and the second oxide superconducting wire (11) was explained. The wire (1a) and the second oxide superconducting wire (11) may be directly connected. In addition, the first oxide superconducting wire (1
In order to improve the connection strength between the two oxide superconducting wires (10) and (11), the connection surfaces between the two oxide superconducting wires (10) and (11) are sloped as shown in Fig. 2, or in the form shown in Fig. 3. As shown, the area of the connection surface may be increased by making it uneven.
以上説明したように、この発明によれば、酸化物超電導
線どうしを密着し、高温炉内で加熱、焼結したことによ
り、酸化物の分子は相互拡散し、酸化物超電導線どうし
は大気中でも強固に接続されるという効果がある。As explained above, according to the present invention, the oxide superconducting wires are brought into close contact with each other and heated and sintered in a high-temperature furnace, so that the oxide molecules interdiffuse, and the oxide superconducting wires can be bonded together even in the atmosphere. This has the effect of providing a strong connection.
第１図はこの発明の一実施例による酸化物超電４＃の接
続方法により接続された酸化物超電導線の断面図、第２
図はこの発明の他の実施例による酸化物超電導線の断面
図、第３図はこの発明のさらに他の実施例による酸化物
超電導線の断面図、第４図は従来の酸化物超電導線の接
続方法により接続された酸化物超電導線の断面図である
。
図において、（１０）は第１の酸化物超電導線、（１１
）は第２の酸化物超電導線、（１２〕は粉末、（１３）
は高温炉である。
なお、各図中、同一符号は同−又は相当部分を示す。
第 ２ 図 １３ １：！ｌＩ；品炉
＠ ３ 図
１′）FIG. 1 is a cross-sectional view of an oxide superconducting wire connected by the oxide superconductor 4# connection method according to an embodiment of the present invention, and FIG.
The figure is a cross-sectional view of an oxide superconducting wire according to another embodiment of the present invention, FIG. 3 is a cross-sectional view of an oxide superconducting wire according to still another embodiment of the present invention, and FIG. FIG. 2 is a cross-sectional view of oxide superconducting wires connected by a connecting method. In the figure, (10) is the first oxide superconducting wire, (11
) is the second oxide superconducting wire, (12] is the powder, (13)
is a high temperature furnace. In each figure, the same reference numerals indicate the same or corresponding parts. Figure 2 13 1:! lI; Shinro @ 3 Figure 1')
Claims (3)
焼結して前記酸化物超電導線どうしを接続したことを特
徴とする酸化物超電導線の接続方法。(1) A method for connecting oxide superconducting wires, characterized in that the oxide superconducting wires are connected by closely adhering the oxide superconducting wires to each other and heating and sintering them in a high-temperature furnace.
て酸化物超電導線どうしを加熱焼結した特許請求の範囲
第１項記載の酸化物超電導線の接続方法。(2) The method for connecting oxide superconducting wires according to claim 1, wherein the oxide superconducting wires are heated and sintered with oxide superconducting powder interposed between the oxide superconducting wires.
の接続面は傾斜状または凹凸状である特許請求の範囲第
１項または第２項記載の酸化物超電導線の接続方法。(3) The method for connecting oxide superconducting wires according to claim 1 or 2, wherein the connecting surface of the oxide superconducting wires where the oxide superconducting wires are in close contact with each other is sloped or uneven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15457087A JPS64675A (en) | 1987-06-23 | 1987-06-23 | Connection method for oxide superconductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15457087A JPS64675A (en) | 1987-06-23 | 1987-06-23 | Connection method for oxide superconductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01675A true JPH01675A (en) | 1989-01-05 |
| JPS64675A JPS64675A (en) | 1989-01-05 |
Family
ID=15587121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15457087A Pending JPS64675A (en) | 1987-06-23 | 1987-06-23 | Connection method for oxide superconductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS64675A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0740501B2 (en) * | 1987-12-28 | 1995-05-01 | 住友電気工業株式会社 | Superconducting cable connection method and device |
| JPH02227248A (en) * | 1989-02-28 | 1990-09-10 | Osaka Prefecture | Connecting method for oxide conductive material |
-
1987
- 1987-06-23 JP JP15457087A patent/JPS64675A/en active Pending
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