JPS5828683B2 - NBYSN1-XALX - Google Patents
NBYSN1-XALXInfo
- Publication number
- JPS5828683B2 JPS5828683B2 JP49034605A JP3460574A JPS5828683B2 JP S5828683 B2 JPS5828683 B2 JP S5828683B2 JP 49034605 A JP49034605 A JP 49034605A JP 3460574 A JP3460574 A JP 3460574A JP S5828683 B2 JPS5828683 B2 JP S5828683B2
- Authority
- JP
- Japan
- Prior art keywords
- xalx
- wire
- critical
- magnetic field
- niobium
- 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.)
- Expired
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
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Description
【発明の詳細な説明】
本発明はＮｂｙＳｎｌ−ｘＡＡｘ金属間化合物からなる
超電導体の製造法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing a superconductor comprising a NbySnl-xAAx intermetallic compound.
現在使用されている金属間化合物超電導マグネット材料
は、Ｎｂ３Ｓｎ 、 Ｖ３Ｇａ の２種であり、これら
の材料は気相反応法または拡散による固体反応法によっ
て製造されている。There are two types of intermetallic superconducting magnet materials currently used: Nb3Sn and V3Ga, and these materials are manufactured by a gas phase reaction method or a solid state reaction method using diffusion.
上記の如き公知の超電導体の特性は下記の表１に列記す
る通りである。The properties of the above-mentioned known superconductors are listed in Table 1 below.
上記のような特性を有する公知のＮｂ３ Ｓｎ 。Known Nb3Sn having the above characteristics.
Ｖ３ Ｇ ａは、その臨界磁場の値が２２０ＫＧである
ために、これら公知材料を用いて製造した超電導マグネ
ットの発生し得る磁場は、４．２°にで最高１５０ＫＧ
である。V3 Ga has a critical magnetic field value of 220 KG, so the maximum magnetic field that can be generated by superconducting magnets manufactured using these known materials is 150 KG at 4.2°.
It is.
しかるに、より高い２００ＫＧ程度の磁場を発生させる
ためには、上記の如き公知の超電導体線材では実験不用
能であり、より高い臨界磁場（少なくとも２００ ＫＧ
以上）を発生し得る超電導体材料の開発が望１れている
。However, in order to generate a higher magnetic field of about 200 KG, it is impossible to experiment with the known superconductor wires as described above, and a higher critical magnetic field (at least 200 KG) is required.
The development of superconducting materials that can generate the above) is desired.
一方に３いて近年°に以上の臨界温度を有する超電導体
材料が幾種類か開発され、これらのうち若干のものは前
述したような所望の高い臨界磁場を有している。On the other hand, in recent years several types of superconductor materials having critical temperatures above 3°C have been developed, and some of these have the desired high critical magnetic fields as mentioned above.
これらの例としてはＮｂ５（Ａｌｏ、７５Ｇｅ０．２５
） ：４］ＯＫＧおよびＮｂ３Ａｌ：３００ＫＧを挙
げることができる。Examples of these include Nb5(Alo, 75Ge0.25
) :4] OKG and Nb3Al:300KG.
しかし乍ら、これらの材料は１５００°Ｃ以上の高温処
理によってのみ製造しうるため、実用超電導マグネット
材料に要求される他の重要な要素である、高い臨界電流
缶度を具備し得ない。However, since these materials can only be manufactured by high-temperature treatment at 1500° C. or higher, they cannot have a high critical current capacity, which is another important element required for practical superconducting magnet materials.
このような理由によって上記組成の超電導材料は実用化
し得ない現状である。For these reasons, the superconducting material having the above composition cannot be put to practical use at present.
本発明の方法は、前記の如き公知材料の諸欠点を克服し
かつ改良した超電導体の製造法に関するものであり、本
発明の要旨とするところは前述の如く、金属銅と金属ニ
オブまた０、０５−１０原子咎の範囲内でチタニウム、
ジルコニウム、ハフニウム筐たはタンタルの１種もしく
は２種以上を含有するニオブ基合金とを組合せて一体と
し、これを圧延、伸線等によりテープまたは線材に加工
し、３５０°〜８００°Ｃの溶融５ｎｌ−ｘｆｌ’−ｌ
ｘ’浴（ｘ’０．１〜６０原子％）中に浸漬し、ついで
４５００〜１０００℃の温度で１０分間〜１０００時間
焼鈍してβ−Ｗ型ＮｂｙＳｎ１−ｘＡｌｘ（ｙ −＝
３〜４ 、ｘ＝１〜３０原子係）の原子間化合物を形成
することを特徴とする超電導体の製造法である。The method of the present invention relates to a method for manufacturing a superconductor that overcomes the drawbacks of the known materials as described above and is improved. Titanium within the range of 05-10 atomic charges,
A niobium-based alloy containing one or more of zirconium, hafnium, or tantalum is combined into a single body, processed into a tape or wire rod by rolling, wire drawing, etc., and melted at 350° to 800°C. 5nl-xfl'-l
x' bath (x'0.1 to 60 at%) and then annealed at a temperature of 4500 to 1000°C for 10 minutes to 1000 hours to obtain β-W type NbySn1-xAlx (y -=
3 to 4, x=1 to 30 atoms).
本発明の方法により、製造された線材は、臨界温度にお
いては大きな変化を示さないにも拘らず、臨界磁場（（
ついては、前記化合物にち・いてＸ＝３０原子％の場合
、２５０ＫＧ以上、ｘ＝５原子優の場合、３００ＫＧを
得ることができる。Although the wire manufactured by the method of the present invention does not show a large change at the critical temperature, the critical magnetic field ((
Therefore, in the case of the above-mentioned compound, when X=30 atomic %, 250 KG or more can be obtained, and when x=5 atoms, 300 KG can be obtained.
しかもこの線材は、比較的低温度での拡散法で製造され
るために、Ｎｂ３Ｓｎと同程度の高い臨界電流音度が、
低磁場より高磁場に亘って保持されていることが確認で
きた。Moreover, since this wire is manufactured using a diffusion method at a relatively low temperature, it has a critical current sound intensity as high as that of Nb3Sn.
It was confirmed that it was retained in a high magnetic field rather than a low magnetic field.
本発明方法は」−記以外にパレスマグネットや交流用の
多芯線の製造にも有効である特徴を有する。In addition to the above, the method of the present invention has a feature that it is also effective for manufacturing palace magnets and multicore wires for alternating current.
従って、本発明方法で製造された超電導体線材は、現在
のＮｂ５ＳｒｒｔたばＶ ３ Ｇａ 線材では達成し得
ない２００ＫＧにも達する超高磁場を発生しうる超電導
マグネット材料として用いることができる。Therefore, the superconductor wire manufactured by the method of the present invention can be used as a superconducting magnet material capable of generating an extremely high magnetic field of up to 200 KG, which cannot be achieved with the current Nb5Srrt, V 3 Ga wire.
本発明方法による具体的実施例を以下に詳述するが、本
発明をこれら実施例に限定するものではない。Specific examples of the method of the present invention will be described in detail below, but the present invention is not limited to these examples.
実施例 １
直径１２ｍｍの銅棒に、長手方向に貫通する３個の内径
約４間の孔を設け、夫々の孔に直径４ｍｖｔのニオブ棒
を挿入した後、中間焼鈍なしに、前記の組合せ体を外径
が０．２５ｍｍとなる１で伸線加工し、更に錫耘よびア
ルミニウムを補う目的で、４２０℃の溶融浴５ｎ４−ｘ
Ａｌｘ’ （ｘ’−約１０原子咎）中に浸漬した後、不
活性ガス雰囲気中で７５０℃の温度で１５０時間熱処理
することにより、基材たるニオブと組合ピた銅との境界
部附近にβ−Ｗ型のＮｂｙＳｎｌ−ＸＡｌＸ（ｙ−３〜
４、Ｘ：１０原子係）金属間化合物を形成させた。Example 1 A copper rod with a diameter of 12 mm was provided with three longitudinally penetrating holes with an inner diameter of approximately 4 mm, and after inserting a niobium rod with a diameter of 4 mvt into each hole, the above combination was produced without intermediate annealing. 1 to have an outer diameter of 0.25 mm, and in order to supplement the tin and aluminum, a molten bath of 5n4-x at 420°C was used.
After being immersed in Alx'(x' - about 10 atoms), heat treatment was performed at a temperature of 750°C for 150 hours in an inert gas atmosphere to form a bond near the boundary between the base material niobium and the composite copper. β-W type NbySnl-XAlX (y-3~
4.X: 10 atoms) An intermetallic compound was formed.
このように処理した線材の超電導特性はＴｃ −１７°
Ｋ 、Ｈｃ２＝２７０ＫＧであった。The superconducting property of the wire treated in this way is Tc -17°
K, Hc2=270KG.
実施例 ２
直径１２關の銅棒の中心に、長手方向に貫通する内径約
７ｍｍの孔を設け、この孔に［亘径７間のニオブ棒を挿
入し、この組合せ体を外径が０．１ ｍｍになる１で伸
線して得た線材を３本編みとし、４２０°Ｃの溶融Ｓｎ
、−ｘＡｌｘ’浴（ｘ’−５原子係）に浸漬し、これを
内径約０．２５ｍｍの銅パイプに挿入してダイスを通し
て締りを加え、または更に伸線加工した後、真空中で７
５０℃の温度で１５０時間熱処理することによって、基
材たるニオブと組合せた銅との境界部附近にβ−Ｗ型の
ＮｂｙＳｎ １−ｘＡｌｘ（ｙ＝３〜４．ｘ＝５原子係
）金属間化合物を形成させた。Example 2 A hole with an inner diameter of about 7 mm passing through the longitudinal direction was provided in the center of a copper rod with a diameter of 12 mm, a niobium rod with a diameter of 7 mm was inserted into this hole, and the assembled body was made with an outer diameter of 0 mm. The wire rod obtained by drawing 1 to a thickness of 1 mm was knitted into three strands, and molten Sn was heated at 420°C.
, -xAlx' bath (x'-5 atoms), inserted into a copper pipe with an inner diameter of about 0.25 mm, tightened through a die, or further wire-drawn, and then heated in a vacuum for 7
By heat treatment at a temperature of 50°C for 150 hours, β-W type NbySn 1-xAlx (y = 3 to 4. A compound was formed.
上記の処理によって得た線材の超電導特性はＴｃ＝１７
．５°に、Ｈｃ２＝３００ＫＧであった。The superconducting property of the wire obtained by the above treatment is Tc=17
．． At 5°, Hc2=300KG.
実施例 ３〜７
実施例１および２の倒れかの方法で、各変数を種々変化
させた例を表２ｉ／ｉ：示す。Examples 3 to 7 Table 2i/i shows examples in which each variable was varied in the same manner as in Examples 1 and 2.
これらの結果から得られた超電導特性を第１図および第
２図に示す。The superconducting properties obtained from these results are shown in FIGS. 1 and 2.
これらの結果から明らかな如く、方法釦よび変数を変化
させた場合には、臨界温度と臨界磁物は最終的に形成さ
れたβ−Ｗ型ＮｂｙＳｎ１−ＸＡｌＸ（ｙ３〜４、ｘ
＝ ０〜５０原子％）の組成のＸのみに依存し、方法や
変数には殆んど依存しないことが判明した。As is clear from these results, when the method buttons and variables are changed, the critical temperature and critical magnetic material are
It was found that it depends only on the composition of X (= 0 to 50 at.
ＮｂｙＳｎｌ−ｘＡｌＸ の変化により臨界温度と臨界
磁物を表３に示す。Table 3 shows the critical temperature and critical magnetism depending on the change in NbySnl-xAlX.
第１図はβ−Ｗ型ＮｂｙＳｎ１−ＸＡｌＸ（ｙ−３〜４
゜ｘ＝０〜１）の臨界温区の組成依存性を示すグラフ、
第２図は同じくβ−Ｗ型ＮｂｙＳｎ１−ＸＡｌＸ（ｙ−
３〜４．ｘ＝０〜１）の臨界磁場の組成依存性をなすグ
ラフである。Figure 1 shows β-W type NbySn1-XAlX (y-3~4
A graph showing the composition dependence of the critical temperature area of ゜x=0 to 1),
Figure 2 also shows β-W type NbySn1-XAlX (y-
3-4. 2 is a graph showing the composition dependence of the critical magnetic field for x=0 to 1).
Claims (1)
囲内でチタニウム、ジルコニウム、ハフニウム會たはタ
ンタルの１種もしくは２種以上を含有するニオブ基合金
とを組合せて一体とし、これを圧延、伸線等によりテー
プまたは線材に加工し、３５０°〜８００℃の溶融５ｎ
１−Ｘ／ＡｌＸ′浴（Ｘ／−〇、１〜６０原子咎）中に
浸漬し、ついで４５０゜〜１０００℃の温度で１０分間
〜１０００時間焼鈍してβ−Ｗ型ＮｂｙＳｎ４−ｘＡｌ
ｘ （ｙ ＝ ３〜４ ｔニーＪ〜３０原子％）の金属
間化合物を形成することを特徴とする超電導体の製造法
。1 Combining metallic copper and metallic niobium or a niobium-based alloy containing one or more of titanium, zirconium, hafnium or tantalum within the range of 0,05-10 atoms, and rolling this. Processed into tape or wire by wire drawing etc., melted at 350° to 800°C.
β-W type NbySn4-xAl
A method for producing a superconductor, characterized by forming an intermetallic compound of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49034605A JPS5828683B2 (en) | 1974-03-29 | 1974-03-29 | NBYSN1-XALX |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49034605A JPS5828683B2 (en) | 1974-03-29 | 1974-03-29 | NBYSN1-XALX |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50128992A JPS50128992A (en) | 1975-10-11 |
| JPS5828683B2 true JPS5828683B2 (en) | 1983-06-17 |
Family
ID=12418978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49034605A Expired JPS5828683B2 (en) | 1974-03-29 | 1974-03-29 | NBYSN1-XALX |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828683B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5669721A (en) * | 1979-11-12 | 1981-06-11 | Nat Res Inst Metals | Method of manufacturing nb3sn superconductor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4896093A (en) * | 1972-03-21 | 1973-12-08 |
-
1974
- 1974-03-29 JP JP49034605A patent/JPS5828683B2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4896093A (en) * | 1972-03-21 | 1973-12-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50128992A (en) | 1975-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3429032A (en) | Method of making superconductors containing flux traps | |
| US3465430A (en) | Method of making superconductor stock | |
| US4917965A (en) | Multifilament Nb3 Al superconducting linear composite articles | |
| JPS6150136B2 (en) | ||
| JPH0768605B2 (en) | Nb (bottom 3) Method for manufacturing Sn-based superconducting wire | |
| JPS5823110A (en) | Method of producing nb3sn superconductive wire material | |
| JPS60423B2 (en) | Manufacturing method of Nb↓3Sn composite material | |
| US3676577A (en) | Superconductors containing flux traps | |
| US4002504A (en) | Multifilament superconductors | |
| US3465429A (en) | Superconductors | |
| US6376099B1 (en) | CU-containing NB3A1 multifilamentary superconductive wire and process for producing the same | |
| JPS5828683B2 (en) | NBYSN1-XALX | |
| US3996662A (en) | Method for the manufacture of a superconductor having an intermetallic two element compound | |
| US3358361A (en) | Superconducting wire | |
| US4321749A (en) | Method for producing superconductors | |
| JP3945600B2 (en) | Method for producing Nb 3 Sn superconducting wire | |
| JPH0644427B2 (en) | Nb with ultra-fine multi-layer structure ▼ Bottom 3 ▼ Method for manufacturing A1 superconducting wire | |
| JPS5828684B2 (en) | NBYSN1-XALX | |
| US4215465A (en) | Method of making V3 Ga superconductors | |
| JPS6249756B2 (en) | ||
| JPH03283322A (en) | Manufacture of nb3al superconductor | |
| JPS6021212B2 (en) | Method for manufacturing superconducting materials | |
| JPH01140521A (en) | Manufacture of nb3al compound superconductive wire rod | |
| JPH0317332B2 (en) | ||
| JPH024931A (en) | Manufacture of nb3x super conducting material |