JPS63241146A - Soft-magnetic alloy - Google Patents
Soft-magnetic alloyInfo
- Publication number
- JPS63241146A JPS63241146A JP62074205A JP7420587A JPS63241146A JP S63241146 A JPS63241146 A JP S63241146A JP 62074205 A JP62074205 A JP 62074205A JP 7420587 A JP7420587 A JP 7420587A JP S63241146 A JPS63241146 A JP S63241146A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- soft
- magnetic
- magnetic alloy
- less
- 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.)
- Granted
Links
- 229910001004 magnetic alloy Inorganic materials 0.000 title claims abstract description 7
- 230000004907 flux Effects 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 229910052720 vanadium Inorganic materials 0.000 claims abstract 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 12
- 239000000956 alloy Substances 0.000 abstract description 12
- 229910052759 nickel Inorganic materials 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 description 13
- 230000007423 decrease Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910020630 Co Ni Inorganic materials 0.000 description 2
- 229910002440 Co–Ni Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 241000711466 Murine hepatitis virus Species 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、緊急時の原子炉停止装置において、磁力によ
って中性子吸収材を内包した制御棒を吸引・保持せしめ
る電磁石の磁心等高温において磁化の強さの変化を利用
する部材に適した軟磁性合金に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention is used in an emergency nuclear reactor shutdown system to prevent magnetization at high temperatures, such as in the magnetic core of an electromagnet that uses magnetic force to attract and hold a control rod containing a neutron absorbing material. The present invention relates to a soft magnetic alloy suitable for members that utilize changes in strength.
緊！時の原子炉停止装置に関し、近年米国を中心に自己
作動型のｍｈｖが検討されてきている。Urgent! Regarding nuclear reactor shutdown equipment, self-operating MHVs have recently been under consideration mainly in the United States.
この機構については、材料のもつ熱膨張、融点、磁性、
熱起電力等物理的特性を利用した考案がなされており磁
力を利用し・た方式の一例として特開昭５６−３０６８
３号公報に開示された方式が挙げられる。Regarding this mechanism, the thermal expansion, melting point, magnetism,
A method using physical properties such as thermoelectromotive force has been devised, and an example of a method using magnetic force is disclosed in Japanese Patent Application Laid-Open No. 56-3068.
An example is the method disclosed in Publication No. 3.
原子炉が定常運転している時のＮａ温度５１０〜５３０
℃において強磁性を示し、緊急時例えば５７０〜６５０
℃で磁化が大巾に低下する合金としてはオーステナイト
系Ｎｉ −Ｆｃ合會が考えられ、Ｎｉ量は ５０〜８０
％である （Ｒ，Ｍ、Ｂｏｚｏｒｔｈ 、 ” Ｆｅ
ｒｒｏｓａｇｎｅｔｉｓｍ″（Ｎｏｒｓｔｒａｎｄ Ｃ
ｏ、１９５１ ） ）。Na temperature 510-530 when the reactor is in steady operation
It exhibits ferromagnetism at a temperature of 570 to 650 °C in an emergency.
An austenitic Ni-Fc alloy can be considered as an alloy whose magnetization significantly decreases at ℃, and the Ni content is 50 to 80.
% (R, M, Bozorth, ”Fe
rrosagnetism" (Norstrand C
o, 1951)).
一方、電磁石による吸引力は磁束密度の２乗に比例する
ため、５００℃近傍での磁束密度が大きいほど装置を小
型化できる。On the other hand, since the attractive force of the electromagnet is proportional to the square of the magnetic flux density, the larger the magnetic flux density near 500° C., the more compact the device can be.
オーステナイ）ＭＦｃ−Ｎｉ合金の飽和磁化はＮｉ量の
増加に伴ない減少し、キュリー点はＮ１＝５５〜８０％
で５５０℃以上を示す、そしてキュリー点が高く、飽和
磁化も大きい合金として６ＯＮｉ−Ｆｃがあげられるが
、５００℃での飽和磁束密度は７，５ （ＫＧ ）であ
る。Austenite) The saturation magnetization of MFc-Ni alloy decreases as the Ni content increases, and the Curie point is N1 = 55 to 80%.
6ONi-Fc is an alloy that exhibits a temperature of 550° C. or higher, a high Curie point, and a large saturation magnetization, and its saturation magnetic flux density at 500° C. is 7.5 (KG).
−万一本発明合金はＮｉ−Ｆｅ合金を改良したものでＳ
ＯＯででＢｓ≧９（ＫＧ）の磁束密度が得られ、装置の
小型、軽量化に適した材料を提供するものである。- In the unlikely event that the alloy of the present invention is an improved Ni-Fe alloy, S
A magnetic flux density of Bs≧9 (KG) can be obtained in OO, and the material is suitable for making devices smaller and lighter.
本発明は、重量比でＮｉ１５〜５５％、Ｃ。 The present invention contains 15 to 55% Ni and C in terms of weight ratio.
１０−４５％、およびＣｒ ３％以下、Ｍｏ ５％以下
、ＣｕｌＯ％以下、■５％以下の１種または２Ｎ１以上
を０，０１〜１０％と残部ＦｅＢよび脱酸剤（Ｍｎ 、
Ｓｉ 、Ａ１２％以下）と不可避的に混入する不純物や
〃ス成分よりなり、５００℃でＢｓ≧９［ＫＧ）、キュ
リー点が５７０〜７５０℃である軟磁性合金である。10-45%, and Cr 3% or less, Mo 5% or less, CulO% or less, ■ 5% or more or 2N1 or more in 0.01-10% and the balance FeB and deoxidizer (Mn,
It is a soft magnetic alloy consisting of impurities and carbon components that are unavoidably mixed in (Si, A (12% or less)), Bs≧9 [KG] at 500°C, and a Curie point of 570 to 750°C.
本発明において、Ｎｉ 、Ｃｏは材料の飽和磁化とキュ
リー、αを決める主要元素である。In the present invention, Ni and Co are the main elements that determine the saturation magnetization, Curie, and α of the material.
Ｆｅ−Ｃｏ−Ｎｉ系において、Ｃｏはキュリー息を上昇
させ、Ｎｉは飽和磁化を減少させるが、金属組織的にオ
ーステナイトを安定化させ、長期間の使用に対して磁性
的にあまり変化しないことを保障する。In the Fe-Co-Ni system, Co increases the Curie breath and Ni decreases the saturation magnetization, but it stabilizes the austenite metallographically and does not change much magnetically over long-term use. Guarantee.
Ｎ１を１５〜５５％に限定したのは、１５％未満ではオ
ーステナイト組識が不安定になること、また５５％を超
えると飽和磁化が低下してしまうことに上る。The reason why N1 is limited to 15 to 55% is that if it is less than 15%, the austenite structure becomes unstable, and if it exceeds 55%, the saturation magnetization will decrease.
Ｃｏは１０％未満では飽和磁化の上昇に効果が少なく、
４５％を超えるとキュリー点が高く、磁化により物を保
持する力が大きくなり、ｙ６常時保持物を切り離す効果
がなくなってしまうため、１０〜４５％に限定した。If Co is less than 10%, it has little effect on increasing saturation magnetization.
If it exceeds 45%, the Curie point will be high, and the force that holds the object due to magnetization will become large, and the effect of separating the y6 constantly held object will be lost, so it was limited to 10 to 45%.
Ｃｒ ３％以下、Ｍｏ５％以下、ＣｕｌＯ％以下、■５
％以下の１１！！ｌまたは２種以上をＱ、Ｑ１〜１０％
としたのは、０．０１％未満ではＦｅ−Ｃｏ−Ｎｉ合金
の軟磁性（保磁力）を改菩する効果が少なく、また１０
％を越えると飽和磁化が小さくなり５００℃でＢ！＋≧
９（ＫＧ）が得られなくなりでしまうためである。Cr 3% or less, Mo 5% or less, CulO% or less, ■5
11 below %! ! Q1 or 2 or more types, Q1~10%
This is because if it is less than 0.01%, it will have little effect on improving the soft magnetism (coercive force) of the Fe-Co-Ni alloy, and if it is less than 10
%, the saturation magnetization decreases and B at 500°C! +≧
This is because 9 (KG) cannot be obtained.
また脱酸剤として、Ｍｎ、Ｓｉ％Ａｔを２％以下含有し
ても、磁気特性上大きな変化はみとめられなかった。Further, even when 2% or less of Mn and Si%At were contained as deoxidizers, no significant change in magnetic properties was observed.
以下、本発明を実施例により説明する。 The present invention will be explained below using examples.
第１表に示す組成の合金を高周波真空誘導溶解炉にて溶
解したのち、７に、のインゴットを作製した。続いて１
１００℃に加熱して１０ｓ＋ｍ角に鍛造した。鍛造材か
ら ２φＸＳｔｗＬの磁性試験片を採取したのち、１ｏ
ｏｏ℃ＸＩＨ水素雰囲気中で焼鈍し、振動試料型磁力計
により、Ｈａ ＝５ （ＫＯｃ ）におけろ磁化の強さ
の温度変化を測定した。After melting the alloy having the composition shown in Table 1 in a high frequency vacuum induction melting furnace, an ingot of No. 7 was prepared. followed by 1
It was heated to 100°C and forged into a 10s+m square. After taking a magnetic test piece of 2φXStwL from the forged material,
The samples were annealed in a hydrogen atmosphere at OO°C, and temperature changes in the magnetization intensity at Ha = 5 (KOc) were measured using a vibrating sample magnetometer.
第１表の結果から明らかなように、本発明合金は、従来
検討されていたＦｅ−Ｎｉ合金に比べて５００℃におけ
る飽和磁化が大さく、装置の小型化に適した材料といえ
、また軟磁性を示す保磁力もほぼ同等の小さい値を有し
、電磁石設計上起磁力を小さくすることがでさ、小型化
が可能である。As is clear from the results in Table 1, the alloy of the present invention has a larger saturation magnetization at 500°C than the previously studied Fe-Ni alloy, and can be said to be a material suitable for miniaturizing devices. The coercive force, which indicates magnetism, has an almost equally small value, and by reducing the magnetomotive force in electromagnet design, it is possible to downsize.
以上説明したように、Ｎｉ、！＝ＣｏおよびＣｒ。 As explained above, Ni! =Co and Cr.
Ｍ、ｏ 、 Ｃｕ １Ｖの１種および２種以上、残部Ｆ
ｅを特許ａｎ求の範囲内含有する合金は、Ｆ ｅ −Ｎ
ｉ合金より飽和磁化が大きく、キュリー点が高い。One or more types of M, o, Cu 1V, remainder F
The alloy containing e within the range required by the patent is Fe -N
It has a higher saturation magnetization and a higher Curie point than the i alloy.
従って、装置の小型化および低起磁力下で設計可能でか
つ保磁力が小さいため、切断時の反応特性が速くなる利
点をもち、工業上顕著な効果を有するものである。Therefore, since the device can be made smaller and designed under a low magnetomotive force, and the coercive force is small, it has the advantage of faster reaction characteristics during cutting, and has a significant industrial effect.
Claims (1)
Ｃｒ３％以下、Ｍｏ５％以下、Ｃｕ１０％以下、Ｖ５％
以下の１種または２種以上を０．０１〜１０％と残部Ｆ
ｅおよび脱酸剤と不可避的に混入する不純物よりなり、
５００℃での飽和磁束密度Ｂｓが９〔ＫＧ〕以上でキュ
リー点が５７０〜７５０℃であることを特徴とする軟磁
性合金。[Claims] By weight: Ni 15-55%, Co 10-45%, Cr 3% or less, Mo 5% or less, Cu 10% or less, V 5%
0.01-10% of one or more of the following and the balance F
It consists of impurities that inevitably mix with e and deoxidizing agent,
A soft magnetic alloy having a saturation magnetic flux density Bs of 9 [KG] or more at 500°C and a Curie point of 570 to 750°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62074205A JPH07116561B2 (en) | 1987-03-30 | 1987-03-30 | Soft magnetic alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62074205A JPH07116561B2 (en) | 1987-03-30 | 1987-03-30 | Soft magnetic alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63241146A true JPS63241146A (en) | 1988-10-06 |
| JPH07116561B2 JPH07116561B2 (en) | 1995-12-13 |
Family
ID=13540450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62074205A Expired - Lifetime JPH07116561B2 (en) | 1987-03-30 | 1987-03-30 | Soft magnetic alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07116561B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676365B (en) * | 2016-12-29 | 2019-04-16 | 大连理工大学 | A kind of high-ductility is without constriction high-entropy alloy and preparation method thereof |
-
1987
- 1987-03-30 JP JP62074205A patent/JPH07116561B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07116561B2 (en) | 1995-12-13 |
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