JPS62212043A - Production of co-nb amorphous magnetic alloy foil - Google Patents
Production of co-nb amorphous magnetic alloy foilInfo
- Publication number
- JPS62212043A JPS62212043A JP61052869A JP5286986A JPS62212043A JP S62212043 A JPS62212043 A JP S62212043A JP 61052869 A JP61052869 A JP 61052869A JP 5286986 A JP5286986 A JP 5286986A JP S62212043 A JPS62212043 A JP S62212043A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- amorphous magnetic
- magnetic alloy
- alloy foil
- thermal conductivity
- 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
- 229910001004 magnetic alloy Inorganic materials 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000011888 foil Substances 0.000 title abstract 3
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract 2
- 229910001257 Nb alloy Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 239000011162 core material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910020676 Co—N Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、軟磁気特性を有するCo−Nb非晶質磁性合
金薄帯の製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a Co--Nb amorphous magnetic alloy ribbon having soft magnetic properties.
(従来の技術)
従来、Co−Nb非晶質磁性合金は、CO基基孔晶質合
金しては比較的飽和磁束密度(以下、Bsという)が高
くまた透磁率(以下、Pという)が高く、磁歪(以下、
λSという)が小さく、保磁力(以下Hcという)が小
さく、耐食性に優れた合金として注目され、スパッタ法
により、磁気ヘッド材料としての研究開発が進展した。(Prior Art) Conventionally, Co-Nb amorphous magnetic alloys have relatively high saturation magnetic flux density (hereinafter referred to as Bs) and magnetic permeability (hereinafter referred to as P) for CO-based porous crystalline alloys. High, magnetostrictive (hereinafter referred to as
It has attracted attention as an alloy with a small λS), a low coercive force (hereinafter referred to as Hc), and excellent corrosion resistance, and research and development has progressed as a material for magnetic heads using sputtering methods.
(発明が解決しようとする問題点)
しかしながら、前記Co−Nb非晶質磁性合金は、優れ
た軟磁気特性を有しているが、液体急冷法によって非晶
質薄帯を得ることが難しいという問題点があった。(Problems to be Solved by the Invention) However, although the Co-Nb amorphous magnetic alloy has excellent soft magnetic properties, it is difficult to obtain an amorphous ribbon by liquid quenching. There was a problem.
本発明の目的は、前記問題点を解決し、優れた軟磁気特
性を有するCo−Nb非晶質磁性合金薄帯の製造方法を
提供するものである。An object of the present invention is to solve the above-mentioned problems and provide a method for manufacturing a Co--Nb amorphous magnetic alloy ribbon having excellent soft magnetic properties.
(問題点を解決するための手段)
本発明は、10〜17原子%のNbを含有するCo−N
b溶融合金を、毎秒100m以上の周速で回転している
銅あるいは熱伝導率が2(W/cm・℃)以上の銅合金
から成る冷却ロール周面に噴射することを特徴とするC
o−Nb非晶質磁性合金薄帯の製造方法である。(Means for Solving the Problems) The present invention provides Co-N containing 10 to 17 at% of Nb.
(b) The molten alloy is injected onto the circumferential surface of a cooling roll made of copper or a copper alloy having a thermal conductivity of 2 (W/cm・℃) or more, which is rotating at a circumferential speed of 100 m/s or more.C.
This is a method for producing an o-Nb amorphous magnetic alloy ribbon.
次に本発明の限定理由について述べる。Next, the reasons for the limitations of the present invention will be described.
Nbが10原子%を下まわったり、17i子%を上まわ
ると、本発明のいかなる製造方法によっても、非晶質磁
性合金薄帯は得られず、したがって、Nbは10〜17
原子%が望ましい。銅製の浴部ロールを毎秒100mを
下まわる周速で回転させ、本発明の合金組成の溶融合金
を前記冷却ロール周面に噴射させると、前記合金の薄帯
は、非晶質とならず、したがって、冷却ロールの周速は
毎秒100m以上に限定する。熱伝導率が2(W/cm
・’C)を下まわる銅合金から成る冷却ロールを使用す
ると、毎秒100m以上の周速で回転させても、本発明
の合金組成の溶融合金は非晶質薄帯にならなかった。し
たがって、冷却ロールは、銅あるいは、熱伝導率が2(
W/cm・℃)以上の銅合金が望ましい。If Nb is less than 10 atomic % or more than 17 i atomic %, an amorphous magnetic alloy ribbon cannot be obtained by any production method of the present invention.
Atomic % is preferable. When a copper bath roll is rotated at a circumferential speed of less than 100 m/s and a molten alloy having the alloy composition of the present invention is injected onto the circumferential surface of the cooling roll, the alloy ribbon does not become amorphous; Therefore, the circumferential speed of the cooling roll is limited to 100 m/s or more. Thermal conductivity is 2 (W/cm
- When a cooling roll made of a copper alloy of less than 'C) was used, the molten alloy having the alloy composition of the present invention did not become an amorphous ribbon even when rotated at a circumferential speed of 100 m/s or more. Therefore, the cooling roll is made of copper or has a thermal conductivity of 2 (
A copper alloy with a temperature of W/cm・℃ or higher is desirable.
(作用)
本発明によれば、従来、液体急冷法で得られなかった軟
磁気特性に優れたCo−Nb非晶質磁性合金薄帯が得ら
れる。即ち、銅あるいは熱伝導率が2(W/cm・℃)
以上の銅合金から成る冷却ロールの周速が毎秒100m
以上の製造方法のもとで、前記限定した組成の溶融合金
を液体急冷するとCo−Nb非晶質磁性合金薄帯が得ら
れた。前記得られたCo−Nb非晶質磁性合金薄帯を4
15°Cで30分熱処理し、諸性質を測定すると、Bs
が8.9〜11.9KG、 Heが15m0e程度、λ
Sが−IXIO−6程度の値であった。(Function) According to the present invention, a Co--Nb amorphous magnetic alloy ribbon having excellent soft magnetic properties, which could not be obtained conventionally by liquid quenching, can be obtained. That is, copper or thermal conductivity is 2 (W/cm・℃)
The circumferential speed of the cooling roll made of the above copper alloy is 100 m/s.
Using the above manufacturing method, a Co--Nb amorphous magnetic alloy ribbon was obtained by liquid quenching the molten alloy having the specified composition. The obtained Co-Nb amorphous magnetic alloy ribbon was
When heat treated at 15°C for 30 minutes and measured various properties, Bs
is 8.9~11.9KG, He is about 15m0e, λ
The value of S was about -IXIO-6.
(実施例) 以下、実施例にしたがって詳細に説明する。(Example) Hereinafter, it will be explained in detail according to an example.
本実施例では、第1表に示す12種類の合金組成を使用
し、アルゴン雰囲気中で、当該溶融合金を各種周速で回
転している銅から成る冷却ロールの周面に噴射した。そ
の結果、Nol、2のようにNbが10原子%を下まわ
ったり、17原子%を上まわるとCo−Nb非晶質磁性
合金は得られをかった。また、No、3のように冷却ロ
ール周速が毎秒100mを下まわると、Co−Nb非晶
質磁性合金は得られなかった。In this example, 12 types of alloy compositions shown in Table 1 were used, and the molten alloy was injected onto the circumferential surface of a cooling roll made of copper rotating at various circumferential speeds in an argon atmosphere. As a result, it was difficult to obtain a Co--Nb amorphous magnetic alloy when Nb was less than 10 atomic % or more than 17 atomic %, as in No. 2. Moreover, when the peripheral speed of the cooling roll was less than 100 m/s as in No. 3, a Co--Nb amorphous magnetic alloy could not be obtained.
No、4〜10は厚さが511m〜2011mの本発明
のCo−Nb非晶質磁性合金であって、毎秒100m以
上の周速で回転している銅製冷却ロール周面に前記合金
組成の溶融合金を噴射することにより、非晶質磁性合金
第1表
上述の実施例で冷却ロール材質を熱伝導率が2(W/1
cm−℃)の銅合金として、他は同一条件で試料作製を
行なったところ、上述した実施例と同じ結果になった。Nos. 4 to 10 are Co-Nb amorphous magnetic alloys of the present invention having a thickness of 511 m to 2011 m, and are melted with the above alloy composition on the circumferential surface of a copper cooling roll rotating at a circumferential speed of 100 m/s or more. By spraying the alloy, the cooling roll material in the above-mentioned example of the amorphous magnetic alloy Table 1 can be heated to a thermal conductivity of 2 (W/1).
When a sample was prepared as a copper alloy (cm-°C) under the same conditions, the same results as in the above-mentioned example were obtained.
(発明の効果)
以1−述べたように、本発明の軟磁気特性の優れたCo
−Nb非晶質磁性合金薄帯は、スパッター法のみによら
ず、液体急冷法によって非晶質磁性合金薄帯が得られ、
トランス用コアー材料への応用が可能になり、特に、高
周波トランス用コアー材料として、工業的価値が高い。(Effects of the Invention) As described in 1-1 above, the present invention uses Co with excellent soft magnetic properties.
-Nb amorphous magnetic alloy ribbon can be obtained not only by sputtering method but also by liquid quenching method,
It can now be applied as a core material for transformers, and has high industrial value, especially as a core material for high-frequency transformers.
Claims (1)
金を、毎秒100m以上の周速で回転している銅あるい
は熱伝導率が2(W/cm・℃)以上の銅合金から成る
冷却ロール周面に噴射することを特徴とするCo−Nb
非晶質磁性合金薄帯の製造方法。A cooling roll made of copper or a copper alloy with a thermal conductivity of 2 (W/cm・℃) or more that rotates a Co-Nb molten alloy containing 10 to 17 at% Nb at a circumferential speed of 100 m/s or more. Co-Nb characterized by being injected onto the peripheral surface
A method for manufacturing an amorphous magnetic alloy ribbon.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61052869A JPS62212043A (en) | 1986-03-10 | 1986-03-10 | Production of co-nb amorphous magnetic alloy foil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61052869A JPS62212043A (en) | 1986-03-10 | 1986-03-10 | Production of co-nb amorphous magnetic alloy foil |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62212043A true JPS62212043A (en) | 1987-09-18 |
Family
ID=12926879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61052869A Pending JPS62212043A (en) | 1986-03-10 | 1986-03-10 | Production of co-nb amorphous magnetic alloy foil |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62212043A (en) |
-
1986
- 1986-03-10 JP JP61052869A patent/JPS62212043A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR850000596B1 (en) | Iron-boron-silicon ternary armorphous alloys | |
Guo et al. | Formation of MnBi ferromagnetic phases through crystallization of the amorphous phase | |
US4834815A (en) | Iron-based amorphous alloys containing cobalt | |
JPS6362579B2 (en) | ||
JPS62212043A (en) | Production of co-nb amorphous magnetic alloy foil | |
JPS6335688B2 (en) | ||
CN104538144A (en) | Preparing method for gadolinium-doped iron-nickel-based soft magnetic materials | |
JPS5928623B2 (en) | Amorphous alloy with excellent strength, corrosion resistance and magnetic properties | |
JPS62192560A (en) | Amorphous alloy foil for magnetic core excellent in space factor and its production | |
JPS5934779B2 (en) | Magnetic field heat treatment method for amorphous metal bodies | |
JPS6256202B2 (en) | ||
RU2044109C1 (en) | Method for producing ferromagnetic amorphous tape or wire with crystallized layer on its surface | |
JPS61129803A (en) | Production of high permiability magnetic steel sheet without internal defect | |
JPS62211353A (en) | Amorphous magnetic alloy and its production | |
JPS5942069B2 (en) | Method for manufacturing amorphous alloy with high effective magnetic permeability | |
JPS5842751A (en) | Amorphous iron alloy having small iron loss and undergoing very slight change in magnetic characteristic due to aging | |
JPS627261B2 (en) | ||
JPS62211352A (en) | Amorphous magnetic alloy and its manufacture | |
JPS5935432B2 (en) | Heat treatment method for amorphous magnetic materials | |
JPH0226767B2 (en) | ||
JP2795450B2 (en) | Amorphous magnetic alloy for magnetic head | |
JPS6018128B2 (en) | Manufacturing method of magnetic tape | |
JPS59107501A (en) | Heat sensor | |
JPH01111844A (en) | Soft-magnetic foil having high saturation magnetic flux density | |
JPS6122020B2 (en) |