JPS62227054A - High permeability magnetic alloy excellent in workability - Google Patents
High permeability magnetic alloy excellent in workabilityInfo
- Publication number
- JPS62227054A JPS62227054A JP61071449A JP7144986A JPS62227054A JP S62227054 A JPS62227054 A JP S62227054A JP 61071449 A JP61071449 A JP 61071449A JP 7144986 A JP7144986 A JP 7144986A JP S62227054 A JPS62227054 A JP S62227054A
- Authority
- JP
- Japan
- Prior art keywords
- less
- high permeability
- workability
- hot workability
- magnetic
- 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
- 230000035699 permeability Effects 0.000 title claims abstract description 16
- 229910001004 magnetic alloy Inorganic materials 0.000 title claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 229910052748 manganese Inorganic materials 0.000 claims abstract 3
- 239000012780 transparent material Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 229910052796 boron Inorganic materials 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000004080 punching Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011162 core material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
利用産業分野
この発明は、７０ｗｔ％〜８５ｗｔ％Ｎｉ系パーマロイ
合金の改良に係り、すぐれた磁気特性と共に熱間加工性
の改善を計った７０ｗｔ％〜８５ｗｔ％Ｎｊ系高透磁率
磁性合金に関する。Detailed Description of the Invention Field of Application This invention relates to the improvement of a 70wt% to 85wt% Ni-based permalloy alloy, which has excellent magnetic properties and improved hot workability. Concerning permeability magnetic alloys.
背景技術
ｙｏ’ｗｔ％〜８５Ｗ１％Ｎｉ系高透磁率磁性合金は、
オーディオ、ＶＴＲ機器等のシールド材、小型精密機器
用磁気回路のヨーク材あるいは高級１〜ランスのコア材
等、その用途は多種多様を極め、ざらに、昨今のエレク
トロニクスの発達に共ない各種機器の小型高性能化が進
み、かかる磁性合金の特性の一層の向上が望まれている
。Background technology yo'wt%~85W1%Ni-based high permeability magnetic alloy is
Its uses are extremely diverse, such as shielding materials for audio and VTR equipment, yoke materials for magnetic circuits for small precision equipment, and core materials for high-grade lances. As magnetic alloys become smaller and more sophisticated, further improvements in the properties of such magnetic alloys are desired.
一方かかる高透磁率磁性合金は、結晶粒界にＰ。On the other hand, such high permeability magnetic alloys contain P at the grain boundaries.
Ｓ、Ｏ等の不純物の偏析及び炭化物、硫化物、りん化物
、酸化物あるいは低融点共晶化合物等の生成により、熱
間圧延時、粒界割れを生じて、熱間圧延板の耳割れ、及
び表面割れ疵等を発生し、熱間加工性の劣化による製品
歩留の低下を１０来し、また、かかる磁性合金の高Ｎｉ
含右のため、材質的に靭性が大きく、打法き時に金型寿
命を短くする問題がおった。Due to the segregation of impurities such as S and O and the formation of carbides, sulfides, phosphides, oxides, or low-melting point eutectic compounds, grain boundary cracks occur during hot rolling, resulting in edge cracks in hot rolled sheets. This results in the occurrence of surface cracks, etc., and a decrease in product yield due to deterioration of hot workability.
Because of this, there was a problem in that the material had a high toughness and shortened the life of the mold during hammering.
発明の目的
この発明は、すぐれた磁気特性と共にすぐれた熱間加工
性を有する７０ｗｔ％〜８５ｗｔ％Ｎｉ系高透磁率磁性
合金を目的としている。OBJECTS OF THE INVENTION The object of the present invention is to provide a 70wt% to 85wt% Ni-based high permeability magnetic alloy having excellent magnetic properties and excellent hot workability.
発明の構成と効果
この発明は、高磁気特性とすぐれた熱間加工性及び打法
き性の両立を目的に、７０ｗｔ％〜８５ｗｔ％Ｎｉ系高
透磁率磁性合金の組成を種々検討した結果、一定の［３
／Ｓ十Ｐ十〇を満足する特定量のＢを含有させ、かつＳ
、Ｐ、Ｃ含有量を低減することにより、高磁気特性とす
ぐれた熱間加工性及び打法き性が得られることを知見し
たものである。Structure and Effects of the Invention The present invention was developed as a result of various studies on the composition of a 70wt% to 85wt% Ni-based high permeability magnetic alloy, with the aim of achieving both high magnetic properties and excellent hot workability and hammerability. Certain [3
Contains a specific amount of B that satisfies /S0P10, and S
It has been discovered that high magnetic properties and excellent hot workability and hammering properties can be obtained by reducing the , P, and C contents.
すなわち、この発明は、
Ｎｉ７０ｗｔ％〜８５ｗｔ％、
１１ｎ ｉ、２ｗｔ％以下、Ｍｏ １．０ｗｔ％〜６．
０ｗｔ％、Ｂ ０．００２０ｗｔ％〜０．０１５ｗｔ％
、Ｃ０．０１ｗｔ％以下、Ｓ ０．００５ｗｔ％以下、
Ｐ ０．０１ｗｔ％以下、
あるいはさらに、磁気特性の改善を目的に、Ｃｕ １．
０ｗｔ％〜６．０ｗｔ％、 Ｃｒ １．０ｗｔ％〜５．
０ｗｔ％のうち１種又は２種を含有し、
かつＢ／Ｓ＋Ｐ＋Ｃ＝ ０．０８〜７．０を満足し、残
部はＦｅ及び不可避的不純物とからなることを特徴とす
る熱間加工性及び打抜き性のすぐれた高透磁率磁性合金
である。That is, this invention includes: Ni 70wt% to 85wt%, 11ni, 2wt% or less, Mo 1.0wt% to 6.
0wt%, B 0.0020wt% to 0.015wt%
, C 0.01wt% or less, S 0.005wt% or less,
P 0.01wt% or less, or further Cu 1.0 for the purpose of improving magnetic properties.
0wt%~6.0wt%, Cr 1.0wt%~5.
Hot workability and punching characterized by containing one or two of 0wt% and satisfying B/S+P+C=0.08-7.0, with the remainder consisting of Fe and inevitable impurities. It is a high permeability magnetic alloy with excellent properties.
上記組成とすることにより、７０ｗｔ％〜８５ｗｔ％Ｎ
ｉ系高透磁率磁性合金とし、て、すぐれた磁気特性を有
し、かつ熱間加工性及び打抜き性が改善され、熱間圧延
時の耳割れ１表面割れ疵などを低減できる効果を有する
。By having the above composition, 70wt% to 85wt%N
As an i-based high permeability magnetic alloy, it has excellent magnetic properties, improved hot workability and punchability, and has the effect of reducing edge cracks, surface cracks, etc. during hot rolling.
組成の限定理由
この発明において、Ｎｉをｙｏｗｔ％〜８５ｗｔ％に限
定した理由は、該範囲を外れると合金内の規則格子の有
無にかかわらず、高透磁率が得られないためでおる。Reason for limiting the composition In this invention, the reason why Ni is limited to yowt% to 85wt% is that high magnetic permeability cannot be obtained outside this range, regardless of the presence or absence of an ordered lattice in the alloy.
Ｍｎは、脱酸効果、熱間加工性改善効果があるが、１．
２ｗｔ％を越えると、その効果は飽和するため、１．２
ｗｔ％以下とする。Mn has a deoxidizing effect and an effect of improving hot workability, but 1.
If it exceeds 2 wt%, the effect will be saturated, so 1.2
It should be less than wt%.
閂。は、１．０ｗｔ％未満では、合金内の規則格子生成
の抑制効果がなくなり、また、６．０ｗｔ％を越えると
、飽和磁束密度及び透磁率が劣化するため、１．０ｗｔ
％〜６．０ｗｔ％とする。Bolt. If it is less than 1.0 wt%, there will be no effect of suppressing the formation of ordered lattice in the alloy, and if it exceeds 6.0 wt%, the saturation magnetic flux density and magnetic permeability will deteriorate.
% to 6.0wt%.
Ｂは、この発明において、熱間加工性及び打抜き性改善
のため添加するが、０．００２０ｗｔ％未満ではかかる
効果がなく、また、０．０１５ｗｔ％を越えると硼化物
が生成され、磁気特性が悪化し好ましくないため、０．
００２０ ｗｔ％〜０．０１５ｗｔ％の添加とする。In this invention, B is added to improve hot workability and punching properties, but if it is less than 0.0020 wt%, there is no such effect, and if it exceeds 0.015 wt%, borides are generated and the magnetic properties are deteriorated. 0.
0020 wt% to 0.015 wt% addition.
Ｃは、０．０１ ｗｔ％を越えると、熱間加工性、磁気
特性を劣化させ好ましくないため、０．０１ ｗｔ％以
下のＳ右とする。If C exceeds 0.01 wt%, it deteriorates hot workability and magnetic properties, which is undesirable, so the S content is set at 0.01 wt% or less.
Ｓは、０．００５ｗｔ％を越えると、粒界に偏析して熱
間加工性、磁気特性を劣化させ好ましくないため、０．
００５ｖｔ％以下の含有とする。If S exceeds 0.005 wt%, it will segregate at grain boundaries and deteriorate hot workability and magnetic properties, which is undesirable.
The content shall be 0.05vt% or less.
Ｐは、０．０１ ｗｔ％を越えると、粒界に偏析して熱
間加工性、磁気特性を劣化させ好ましくないため、０．
０１ｗｔ％以下の含有とし、さらに好ましくはｏ、 ｏ
ｏｙｗｔ％以下の含有である。If P exceeds 0.01 wt%, it will segregate at grain boundaries and deteriorate hot workability and magnetic properties, which is undesirable.
01 wt% or less, more preferably o, o
The content is oywt% or less.
この発明の特徴で必るＢ／Ｓ＋Ｐ＋Ｃ比率は、０．Ｏａ
未満では、熱間加工性の改善効果がなく、また、７．０
を越えると硼化物が形成されて磁気特性を劣化させるた
め好ましくなく、０．０８〜７．０を満足する必要があ
り、ざらに好ましくは、０．１５〜５．０の範囲である
。The B/S+P+C ratio required by the feature of this invention is 0. Oa
If it is less than 7.0, there is no effect of improving hot workability.
Exceeding this is not preferable because borides are formed and the magnetic properties are deteriorated, and it is necessary to satisfy a range of 0.08 to 7.0, more preferably a range of 0.15 to 5.0.
Ｃｕは、規則格子の生成を抑制し、磁歪を調整する効果
を有するが、１．０ｗｔ％未満ではその効果が少なく、
また、６．０ｗｔ％を越えると飽和磁束密度及び透磁率
を低下さ往るため好ましくなく、１．０ｗｔ％〜６．
ｏｗｔ％の範囲の添加とする。Cu has the effect of suppressing the formation of a regular lattice and adjusting magnetostriction, but if it is less than 1.0 wt%, the effect is small;
Moreover, if it exceeds 6.0 wt%, it is not preferable because the saturation magnetic flux density and magnetic permeability decrease.
The addition range is owt%.
Ｃｒは、１．０ｗｔ％未満では耐食性が少なくなり、ま
た磁気特性の改善効果がなく、５．０ｗｔ％を越えると
飽和磁束密度、透磁率を劣化させるため、１．０ｗｔ％
〜５．０ｗｔ％の範囲とする。If Cr is less than 1.0 wt%, corrosion resistance will decrease and there will be no improvement effect on magnetic properties, and if it exceeds 5.0 wt%, saturation magnetic flux density and magnetic permeability will deteriorate.
The range is 5.0 wt%.
実施例
実施例１
第１表に示す組成に真空溶解により溶製して得られた３
８ｍｍ厚みの平型鋳塊を、熱間圧延して５ｍｍ厚みＸ幅
１００ｍｍ寸法の熱延板となし、さらに、冷間圧延して
板厚０．６ｍｍの冷延芯板となした後、外径４５ｍｍＸ
３３ｍｍのＪＩＳリングに打抜き、試料となした。Examples Example 1 3 obtained by vacuum melting the composition shown in Table 1
An 8 mm thick flat ingot was hot rolled into a hot rolled plate with dimensions of 5 mm thick x 100 mm wide, and then cold rolled into a cold rolled core plate with a plate thickness of 0.6 mm. Diameter 45mm
A 33 mm JIS ring was punched out and used as a sample.
上記試おＩを、水素雰囲気中で、１１００’Ｃｘ ３時
間の熱処理を施し、６００°Ｃまで炉冷したのち、１０
０’Ｃ／Ｈｒで冷却した場合の透磁率を測定し、該熱間
圧延後の熱延板の外観状況、打抜き性とともに、第２表
に示す。The above sample I was heat treated at 1100'Cx for 3 hours in a hydrogen atmosphere, cooled in a furnace to 600°C, and then heated to 1000°C.
The magnetic permeability when cooled at 0'C/Hr was measured and is shown in Table 2, along with the appearance and punching properties of the hot rolled sheet after hot rolling.
外観状況は、３８ｍｍ厚みの平型鋳塊を、５ｍｍ厚みの
熱延板となした際の耳割れの大きざで評価し、熱延板と
なったときのトップ部、ミドル部、ボトム部の耳割れ深
さを測定し、トップ部、ミドル部、ボトム部の板幅１０
０ｍｍに対しての耳割れ深さの平均値にて示している。The appearance condition was evaluated by the size of edge cracks when a 38 mm thick flat ingot was made into a 5 mm thick hot rolled plate. Measure the depth of the ear crack and determine the board width of the top, middle and bottom parts by 10mm.
It is shown as the average value of the ear crack depth with respect to 0 mm.
また、打抜き性は、第１図に示す如く、試Ｉ’ｌ （２
）を載置できる打抜き金型（１）を用いて、ポンチ（３
）で打恢ぎ、その際のポンチ（３）ストローク量を測定
し、ポンチストローク指数にて評価した。すなわち、ポ
ンチストローク量を指数化し、指数が高いものは打法き
性が悪く、逆に指数の低いものが打法き性が良好である
ことを示している。In addition, the punching property was tested as shown in Figure 1.
) using a punching die (1) that can hold a punch (3
), and the punch (3) stroke amount at that time was measured and evaluated using the punch stroke index. That is, the punch stroke amount is expressed as an index, and a high index indicates poor batting performance, while a low index indicates good batting performance.
以下余白 第２表 以下余白Margin below Table 2 Margin below
第１図は実施例における打（友ぎ性試験に用いる打法ぎ
金型の斜視図でおる。
１・・・打（友き金型、２・・・試料、３・・・ポンチ
。FIG. 1 is a perspective view of the punching mold used in the punching test in the example. 1. Punching mold, 2. Sample, 3. Punch.
Claims (1)
％、Ｂ０．００２０ｗｔ％〜０．０１５ｗｔ％、Ｃ０．
０１ｗｔ％以下、Ｓ０．００５ｗｔ％以下、Ｐ０．０１
ｗｔ％以下を含有し、 かつＢ／Ｓ＋Ｐ＋Ｃ＝０．０８〜７．０を満足し、残部
はＦｅ及び不可避的不純物とからなることを特徴とする
熱間加工性及び打抜き性のすぐれた高透磁率磁性合金。 ２ Ｎｉ７０ｗｔ％〜８５ｗｔ％、 Ｍｎ１．２ｗｔ％以下、Ｍｏ１．０ｗｔ％〜６．０ｗｔ
％、Ｂ０．００２０ｗｔ％〜０．０１５ｗｔ％、Ｃ０．
０１ｗｔ％以下、Ｓ０．００５ｗｔ％以下、Ｐ０．０１
ｗｔ％以下、さらに、 Ｃｕ１．０ｗｔ％〜６．０ｗｔ％、Ｃｒ１．０ｗｔ％〜
５．０ｗｔ％のうち１種又は２種を含有し、 かつＢ／Ｓ＋Ｐ＋Ｃ＝０．０８〜７．０を満足し、残部
はＦｅ及び不可避的不純物とからなることを特徴とする
熱間加工性及び打抜き性のすぐれた高透磁率磁性合金。[Claims] Ni 70wt% to 85wt%, Mn 1.2wt% or less, Mo 1.0wt% to 6.0wt%
%, B0.0020wt% to 0.015wt%, C0.
01wt% or less, S0.005wt% or less, P0.01
A highly transparent material with excellent hot workability and punchability, which contains less than Magnetic property magnetic alloy. 2 Ni70wt%~85wt%, Mn1.2wt% or less, Mo1.0wt%~6.0wt
%, B0.0020wt% to 0.015wt%, C0.
01wt% or less, S0.005wt% or less, P0.01
wt% or less, further Cu1.0wt%~6.0wt%, Cr1.0wt%~
Hot workability characterized by containing one or two of 5.0wt% and satisfying B/S+P+C=0.08 to 7.0, with the remainder consisting of Fe and inevitable impurities. and high permeability magnetic alloy with excellent punchability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61071449A JPS62227054A (en) | 1986-03-28 | 1986-03-28 | High permeability magnetic alloy excellent in workability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61071449A JPS62227054A (en) | 1986-03-28 | 1986-03-28 | High permeability magnetic alloy excellent in workability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62227054A true JPS62227054A (en) | 1987-10-06 |
Family
ID=13460875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61071449A Pending JPS62227054A (en) | 1986-03-28 | 1986-03-28 | High permeability magnetic alloy excellent in workability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62227054A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0250931A (en) * | 1988-05-13 | 1990-02-20 | Nkk Corp | Manufacture of ferromagnetic ni-fe alloy and slab of the same alloy having excellent surface properties |
| WO1990008201A1 (en) * | 1989-01-20 | 1990-07-26 | Nkk Corporation | Nickel-iron base magnetic allow having high permeability |
| US4948434A (en) * | 1988-04-01 | 1990-08-14 | Nkk Corporation | Method for manufacturing Ni-Fe alloy sheet having excellent DC magnetic property and excellent AC magnetic property |
| US5500057A (en) * | 1993-04-30 | 1996-03-19 | Nkk Corporation | NI-FE magnetic alloy and method for producing thereof |
| EP0927770B1 (en) * | 1998-01-05 | 2002-04-03 | Orinoco Iron, C.A. a corporation of Venezuela | High carbon content iron-base briquettes and process for preparing same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS532404A (en) * | 1976-06-28 | 1978-01-11 | Takeda Chem Ind Ltd | Elimination of thiol protectors |
| JPS60159157A (en) * | 1984-01-30 | 1985-08-20 | Nippon Yakin Kogyo Co Ltd | Fe-ni alloy having excellent hot workability |
-
1986
- 1986-03-28 JP JP61071449A patent/JPS62227054A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS532404A (en) * | 1976-06-28 | 1978-01-11 | Takeda Chem Ind Ltd | Elimination of thiol protectors |
| JPS60159157A (en) * | 1984-01-30 | 1985-08-20 | Nippon Yakin Kogyo Co Ltd | Fe-ni alloy having excellent hot workability |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4948434A (en) * | 1988-04-01 | 1990-08-14 | Nkk Corporation | Method for manufacturing Ni-Fe alloy sheet having excellent DC magnetic property and excellent AC magnetic property |
| JPH0250931A (en) * | 1988-05-13 | 1990-02-20 | Nkk Corp | Manufacture of ferromagnetic ni-fe alloy and slab of the same alloy having excellent surface properties |
| US4935201A (en) * | 1988-05-13 | 1990-06-19 | Nkk Corporation | Ferromagnetic Ni-Fe alloy, and method for manufacturing alloy article having excellent surface quality of said alloy |
| JPH0581651B2 (en) * | 1988-05-13 | 1993-11-15 | Nippon Kokan Kk | |
| WO1990008201A1 (en) * | 1989-01-20 | 1990-07-26 | Nkk Corporation | Nickel-iron base magnetic allow having high permeability |
| US5500057A (en) * | 1993-04-30 | 1996-03-19 | Nkk Corporation | NI-FE magnetic alloy and method for producing thereof |
| US5525164A (en) * | 1993-04-30 | 1996-06-11 | Nkk Corporation | Ni-Fe magnetic alloy and method for producing thereof |
| US5669989A (en) * | 1993-04-30 | 1997-09-23 | Nkk Corporation | Ni-Fe magnetic alloy and method for producing thereof |
| EP0927770B1 (en) * | 1998-01-05 | 2002-04-03 | Orinoco Iron, C.A. a corporation of Venezuela | High carbon content iron-base briquettes and process for preparing same |
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