JPS61198510A - Manufacture of superconductor - Google Patents
Manufacture of superconductorInfo
- Publication number
- JPS61198510A JPS61198510A JP60037166A JP3716685A JPS61198510A JP S61198510 A JPS61198510 A JP S61198510A JP 60037166 A JP60037166 A JP 60037166A JP 3716685 A JP3716685 A JP 3716685A JP S61198510 A JPS61198510 A JP S61198510A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- superconducting conductor
- winding frame
- superconducting
- magnetic field
- 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
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)
- Manufacturing Of Electric Cables (AREA)
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】 〈産業上の利用分野〉 この発明は超電導導体の製造方法に関するものである。[Detailed description of the invention] <Industrial application field> This invention relates to a method for manufacturing a superconducting conductor.
〈従来の技術〉
超電導導体のなかで陽）Ｓｎ合金は臨界温度が高く、ま
た臨界磁場も高く、高磁場発生用導体とじてＮｂ３Ｓｎ
合金はＮｂとＣ１ｉ−８Ｔ１合金を一体加工して線材と
した俊、マグネットに巻線してから熱処理を施し、陽と
８１を熱拡散してＮｂ３Ｓｎを生成させて作るのが最も
一般的である。<Prior art> Among superconducting conductors, Sn alloys have a high critical temperature and a high critical magnetic field, and Nb3Sn is used as a conductor for generating high magnetic fields.
The most common alloy is made by integrally processing Nb and C1i-8T1 alloy into a wire rod, winding it around a magnet, then heat-treating it, and then thermally diffusing positive and 81 to generate Nb3Sn. .
この時、巻線巻枠としては従来ステンレスや純銅が用い
られていた。At this time, stainless steel or pure copper was conventionally used as the winding frame.
〈発明が解決しようとする問題点〉 □しかしなが
ら、Ｎｂ３Ｓｎの熱処理温度は６００〜８００℃で数１
０時間を必要とし、この熱処理条件を経た復は、巻線用
巻枠として銅を用いた場合は、強度が２０ＫＦ１４程度
となり、後工程で傷がついたり、歪んでしまうという欠
点があった。<Problems to be solved by the invention> □However, the heat treatment temperature for Nb3Sn is 600 to 800°C, which is several 1
It takes 0 hours, and when copper is used as the winding frame, the strength is about 20KF14, and there is a drawback that it may be scratched or distorted in the subsequent process.
ざらに巻枠としてステンレスを用いると、熱処理により
磁性をおび、超電導マグネットとしての磁場の均一性が
悪くなるという欠陥がめった。When stainless steel is used for the winding frame, it often becomes magnetic due to heat treatment, resulting in poor uniformity of the magnetic field as a superconducting magnet.
〈問題点を解決するための手段〉
この発明はＮｂ３Ｓｎ導体を用いた超電導導体の巻線用
枠として、アルミナ粒子分散強化銅合金を用いることを
特徴とするものであって、アルミナ粒子分散強化鋼合金
としては、約１μｍ以下のアルミナ粒子を分散粒子とし
て５〜５０ＶＯｒ１％含む銅合金か用いられている。<Means for Solving the Problems> The present invention is characterized in that an alumina particle dispersion strengthened copper alloy is used as a winding frame for a superconducting conductor using an Nb3Sn conductor. As the alloy, a copper alloy containing 5 to 50 VOr1% of alumina particles of about 1 μm or less as dispersed particles is used.
この合金を用いるのは、
（１）分散したアルミナ粒子による耐熱性がすぐれ、約
９００’Ｃまでの熱処理を経ても強度が劣化しない。This alloy is used because: (1) It has excellent heat resistance due to the dispersed alumina particles, and its strength does not deteriorate even after heat treatment up to about 900'C.
（２）銅、）アルミナともに非磁性体であり、超電導マ
グネッｌへとしての巻枠として考えた場合、磁場の均一
性が非常ににい。(2) Both copper and alumina are non-magnetic materials, and when considered as a winding frame for a superconducting magnet, the uniformity of the magnetic field is extremely poor.
ことからである。This is because of this.
〈作用〉
この発明はＮｂＪＳＴｌ導体を用いた超電導導体の巻線
用巻枠として１μｍ以下のアルミナ粒子を分散させた強
化銅合金を用いることにより、マ］〜リックスである銅
の耐熱性が格段にすぐれるのである。<Function> This invention uses a strengthened copper alloy in which alumina particles of 1 μm or less are dispersed as a winding frame for a superconducting conductor using a NbJSTl conductor, thereby significantly improving the heat resistance of copper as a matrix. It is excellent.
例えば８００’ＣＸ ５０ ｈｒｓの熱処理でも強度は
４０に９４以上である。For example, even after heat treatment at 800'CX 50 hrs, the strength is 40 to 94 or more.
従って強力な磁場にも歪まず、また熱処理後の後工程に
おいても傷がついたり、歪むことがない。Therefore, it will not be distorted even by a strong magnetic field, and will not be scratched or distorted even in post-processing after heat treatment.
ざらに銅を用い−Ｃいるので非磁性であり、ＮｂＪＳｎ
を用いた超電導導体マグネッ１〜としての磁場の均一性
にずぐれているのである。It is non-magnetic because it uses copper and -C, and NbJSn
The uniformity of the magnetic field is inferior to that of the superconducting conductor magnets 1 to 1 using superconducting conductor magnets.
しかしてこの発、明で得られる超電導導体はＮＭＲマグ
ネツｉ〜、Ｎ Ｍ Ｒ−ＣＴマグネット、実験用小型マ
グネットとして有用である。However, the superconducting conductor obtained in this invention is useful as NMR magnets, NMR-CT magnets, and small experimental magnets.
〈実施例〉 以下実施例にてこの発明を説明する。<Example> This invention will be explained below with reference to Examples.
内径２０ｍｍ、外径１６０ｍｍ、高さ３００ｍｍの肉厚
３ｍｍの銅、ステンレス、アルミナ粒子、分散強化銅合
金で作った巻枠にＮｂ、Ｃｕ−Ｓｎ合金を一体化した直
径１．０ｍｍφの線材を巻き、７８０’ＣＸ ｊ２０時
間の熱処理を施してＮｂ４Ｓｎ超電導線材を作り、この
巻枠をそのままボビンとして低温容器に配し、超電導マ
グネットを作成した。A wire rod with a diameter of 1.0 mmφ that is integrated with Nb and Cu-Sn alloy is wound around a winding frame made of copper, stainless steel, alumina particles, and dispersion-strengthened copper alloy with an inner diameter of 20 mm, an outer diameter of 160 mm, a height of 300 mm, and a wall thickness of 3 mm. , 780'CX j A Nb4Sn superconducting wire was produced by heat treatment for 20 hours, and the winding frame was placed in a low-temperature container as a bobbin to produce a superconducting magnet.
熱処理して低温容器に入れるまでの加工を経た後のボビ
ンの歪およびマグネットに加工して後の磁場の均一性を
評価した。The distortion of the bobbin after heat treatment and processing up to placing it in a low-temperature container and the uniformity of the magnetic field after processing into a magnet were evaluated.
ここで歪は元の形状に対して１０％以上の歪を人、５％
以下を小、磁場の均一性は０．１％以上を難、０，１％
未満を良として判定した。Here, the distortion is 10% or more of the original shape, 5%
Below is small, magnetic field uniformity is 0.1% or more is difficult, 0.1%
Less than that was judged as good.
その結果は第１表に示した。The results are shown in Table 1.
第１表
〈発明の効果〉
以上からこの発明のアルミナ粒子分散強化銅合金を超電
導導体の巻線用巻枠として使用することによって、磁場
の均一性、強度の強い超電導マグネットの得られること
が認められた。Table 1 <Effects of the Invention> From the above, it is recognized that by using the alumina particle dispersion strengthened copper alloy of the present invention as a winding frame for a superconducting conductor, a superconducting magnet with a uniform magnetic field and strong strength can be obtained. It was done.
Claims (2)
のち、熱処理してＮｂ＿３Ｓｎ合金を生成せしめる超電
導導体の製法において、巻線用巻枠としてアルミナ粒子
分散強化銅合金を用いることを特徴とする超電導導体の
製造方法。(1) A method for producing a superconducting conductor in which a Cu-Sn alloy and Nb are integrally processed into a wire rod, and then heat-treated to produce a Nb_3Sn alloy, which uses an alumina particle dispersion-strengthened copper alloy as the winding frame. A method for manufacturing a superconducting conductor.
ナ粒子が１μｍ以下の径で５〜５０ｖｏｌ％含有してい
ることを特徴とする特許請求の範囲第１項記載の超電導
導体の製造方法。(2) The method for producing a superconducting conductor according to claim 1, wherein the alumina particle dispersion-strengthened copper alloy contains 5 to 50 vol% of alumina particles with a diameter of 1 μm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60037166A JPS61198510A (en) | 1985-02-26 | 1985-02-26 | Manufacture of superconductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60037166A JPS61198510A (en) | 1985-02-26 | 1985-02-26 | Manufacture of superconductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61198510A true JPS61198510A (en) | 1986-09-02 |
Family
ID=12490010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60037166A Pending JPS61198510A (en) | 1985-02-26 | 1985-02-26 | Manufacture of superconductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61198510A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9255623B2 (en) | 2010-09-06 | 2016-02-09 | Kawasaki Jukogyo Kabushiki Kaisha | Engine with inclined cylinder |
-
1985
- 1985-02-26 JP JP60037166A patent/JPS61198510A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9255623B2 (en) | 2010-09-06 | 2016-02-09 | Kawasaki Jukogyo Kabushiki Kaisha | Engine with inclined cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Levi | Permanent magnets obtained by drawing compacts of parallel iron wires | |
| CA1310821C (en) | Gallium-containing magnet for a motor | |
| US4435228A (en) | Process for producing NB3 SN superconducting wires | |
| JPS6325904A (en) | Permanent magnet and manufacture of the same and compound for manufacture of the permanent magnet | |
| JPS61198510A (en) | Manufacture of superconductor | |
| JPH0328502B2 (en) | ||
| CN1020171C (en) | Method for making amorphous constant-permeability core | |
| JPH0627308B2 (en) | Method of manufacturing permanent magnet material | |
| CA1170084A (en) | Magnetically anisotropic alloys for magnetically actuated devices | |
| Tenzer | Influence of Various Heat Exposures on Alnico V. Magnets | |
| JPH05135636A (en) | Manufacture of compound superconductive wire | |
| SU1678530A1 (en) | Process for manufacturing permanent magnets from neodymium-ferrum-boron alloy powder | |
| JPS63150814A (en) | Manufacture of nb-ti based fine multi-core superconductor | |
| JPS58147537A (en) | Permanent magnet alloy and its manufacture | |
| JPS58136757A (en) | Manufacture of permanent magnet alloy | |
| JP3016098B2 (en) | Manufacturing method of permanent magnet | |
| JPS62283505A (en) | Ac superconductor | |
| KR870003471A (en) | Method of producing ferromagnetic particles | |
| Galligan et al. | Solid solutions of niobium--tin for preparing Nb $ sub 3$ Sn superconductors | |
| JPS61124553A (en) | Alloy for permanent magnet | |
| CN85104348B (en) | 2-17 type rare-earth permament magnet having temp. compensation | |
| Reynolds et al. | New high field superconductor alloy.[Nb-40% Ti] | |
| JPS5828682B2 (en) | NBYSN1-XALX | |
| JPS5823109A (en) | Method of producing nb3sn superconductive wire material | |
| JPS5848606A (en) | Production of permanent magnet of rare earths |