JPS63200414A - Superconductive wire - Google Patents
Superconductive wireInfo
- Publication number
- JPS63200414A JPS63200414A JP62032846A JP3284687A JPS63200414A JP S63200414 A JPS63200414 A JP S63200414A JP 62032846 A JP62032846 A JP 62032846A JP 3284687 A JP3284687 A JP 3284687A JP S63200414 A JPS63200414 A JP S63200414A
- Authority
- JP
- Japan
- Prior art keywords
- enamel
- diamond particles
- insulating
- diamond
- insulating layer
- 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
- 210000003298 dental enamel Anatomy 0.000 claims abstract description 26
- 239000010432 diamond Substances 0.000 claims abstract description 17
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000011810 insulating material Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 239000002966 varnish Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000013019 agitation Methods 0.000 abstract 2
- 238000010292 electrical insulation Methods 0.000 description 7
- 239000012772 electrical insulation material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000003756 stirring Methods 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
- Organic Insulating Materials (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は電気絶縁された超電導線に関するものである
。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> This invention relates to an electrically insulated superconducting wire.
〈従来の技術〉
従来、ＣＩＬ／隆Ｔ、、隆３ Ｓｎ系超電導線材の電気
絶縁材としては、エナメルが最も実績のあるものとして
広く用いられている。<Prior Art> Conventionally, enamel has been widely used as the most proven electrical insulating material for Sn-based superconducting wires.
このエナメルは超電導線材の表面に数μｍ〜数１０μｍ
程度の厚さに被覆して絶縁層とすることにより、超電導
線材の使用される極低温においても電気絶縁性を有する
のである。This enamel is applied to the surface of the superconducting wire with a thickness of several μm to several tens of μm.
By coating it to a certain thickness to form an insulating layer, it has electrical insulation properties even at the extremely low temperatures at which superconducting wires are used.
〈発明が解決しようとする問題点〉
このように超電導線の電気絶縁材として使用されるエナ
メルは極低温における電気絶縁性に関しては実績があり
、信頼性の高い材料であるが、有機材料であるため、極
低温における熱伝導特性は必ずしも良好とはいえない。<Problems to be solved by the invention> As described above, enamel used as an electrical insulating material for superconducting wires has a proven track record of electrical insulation at extremely low temperatures and is a highly reliable material, but it is an organic material. Therefore, the thermal conductivity characteristics at extremely low temperatures are not necessarily good.
超電導線材を安定に使用するためには、超電導線材中に
発生する熱を速やかに取除くことが必要である。In order to use superconducting wires stably, it is necessary to quickly remove the heat generated in the superconducting wires.
従って、従来の電気絶縁材としてのエナメルの電気絶縁
特性を維持し、かつ熱伝導特性を向上させることが必要
である。Therefore, it is necessary to maintain the electrical insulation properties of enamel as a conventional electrical insulation material and to improve the thermal conduction properties.
〈問題点を解決するための手段〉
本発明者は上記した問題点を解決すべく検討の結果、電
気絶縁層としてエナメルを基材として該エナメル中にダ
イヤモンド粒子を分散せしめた絶縁材を用いた超電導線
を得たものである。<Means for Solving the Problems> As a result of studies in order to solve the above-mentioned problems, the present inventor used an insulating material made of enamel as a base material and diamond particles dispersed in the enamel as an electrical insulating layer. This is what we obtained from superconducting wire.
く作用〉
この発明によれば、絶縁材として使用する材料、即ちエ
ナメル、ダイヤモンド粒子は何れも電気絶縁性を有して
おり、かつダイヤモンドはエナメルに比べて熱伝導性が
すぐれているため、従来の工ナメルのみによる絶縁の場
合に比べて超電導線材の安定性の向上に寄与するのであ
る。According to the present invention, the materials used as insulating materials, that is, enamel and diamond particles, both have electrical insulation properties, and diamond has superior thermal conductivity compared to enamel. This contributes to improving the stability of the superconducting wire compared to insulation using only enamel.
例えば４．２ｋにおけるダイヤモンドの熱伝導率は約１
Ｗ／ｃ１１・ｋであるのに比べてエナメルのそれは１０
°３〜１０−４ｗ ／α・ｋであり、ダイヤモンドの熱
伝導率はエナメルよりも１０００〜１００００倍程度大
きいのである。For example, the thermal conductivity of diamond at 4.2k is approximately 1
W/c is 11・k, compared to that of enamel is 10
The thermal conductivity of diamond is approximately 1,000 to 10,000 times higher than that of enamel.
この発明において、エナメルワニス中へのダイヤモンド
粒子の分散は機械的撹拌または超音波振動等を用いた撹
拌によればよい。エナメルワニスに対するダイヤモンド
粒子の使用量はあまり少ないと熱伝導特性に対する効果
が少なく、また、多すぎるとコストが高くなり、かつエ
ナメルの発泡が発生して表面状態が悪くなるので１０〜
５０％程度が好ましい。In this invention, the diamond particles may be dispersed into the enamel varnish by mechanical stirring or stirring using ultrasonic vibration or the like. If the amount of diamond particles used in the enamel varnish is too small, it will have little effect on the heat conduction properties, and if it is too large, the cost will increase and the enamel will foam, resulting in poor surface condition.
About 50% is preferable.
ダイヤモンド粒子を分散したエナメルの電気絶Ｉａ層と
しての被覆厚みは、従来のエナメルのみの場合とほぼ同
程度、即ち数μｍ−数１０μｍでよい。The coating thickness of the enamel in which diamond particles are dispersed as an electrically insulating layer may be approximately the same as that of conventional enamel alone, that is, several μm to several tens of μm.
〈発明の効果〉
以上説明したように、この発明はエナメル絶縁層中にダ
イヤモンド粒子を分散さぜることにより、絶縁層の電気
絶縁性および熱伝導性が良好なものとなるため、このよ
うな電気絶縁間を有する超電導線材は電気絶縁および熱
的安定性ともに良好なものとなるのである。<Effects of the Invention> As explained above, the present invention improves the electrical insulation and thermal conductivity of the insulating layer by dispersing diamond particles in the enamel insulating layer. A superconducting wire having electrical insulation has good electrical insulation and thermal stability.
このような超電導線材は超電導マグネットに用いる線材
として特に効果的である。Such a superconducting wire is particularly effective as a wire for use in a superconducting magnet.
Claims (1)
を有することを特徴とする超電導線。A superconducting wire characterized by having an insulating layer in which diamond particles are dispersed in an enamel insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62032846A JPS63200414A (en) | 1987-02-16 | 1987-02-16 | Superconductive wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62032846A JPS63200414A (en) | 1987-02-16 | 1987-02-16 | Superconductive wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200414A true JPS63200414A (en) | 1988-08-18 |
Family
ID=12370192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62032846A Pending JPS63200414A (en) | 1987-02-16 | 1987-02-16 | Superconductive wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01183008A (en) * | 1988-01-11 | 1989-07-20 | Japan Atom Energy Res Inst | Superconductor |
-
1987
- 1987-02-16 JP JP62032846A patent/JPS63200414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01183008A (en) * | 1988-01-11 | 1989-07-20 | Japan Atom Energy Res Inst | Superconductor |
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