JPH01103806A - Rare-earth magnet - Google Patents
Rare-earth magnetInfo
- Publication number
- JPH01103806A JPH01103806A JP62261208A JP26120887A JPH01103806A JP H01103806 A JPH01103806 A JP H01103806A JP 62261208 A JP62261208 A JP 62261208A JP 26120887 A JP26120887 A JP 26120887A JP H01103806 A JPH01103806 A JP H01103806A
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- powder
- rare
- iron
- super
- 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
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 15
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229910052796 boron Inorganic materials 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 238000010791 quenching Methods 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims abstract description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 3
- 239000011651 chromium Substances 0.000 claims 2
- 239000011572 manganese Substances 0.000 claims 2
- 239000010955 niobium Substances 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 229910052723 transition metal Inorganic materials 0.000 claims 1
- 150000003624 transition metals Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000013078 crystal Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 101100268548 Caenorhabditis elegans apl-1 gene Proteins 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0578—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together bonded together
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は磁石の基本組成がＲ１Ｆ８１Ｂからなり樹脂結
合法でつくられた希土類磁石に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a rare earth magnet whose basic composition is R1F81B and which is manufactured by a resin bonding method.
希土類金属、鉄、ボロンからなる希土類金属間化合物の
磁石化の試みは、例えばターン等は（Ｆｅ、８２．Ｂ、
１８）、９Ｒｂ、０５Ｄａ、０５の超急冷法リボンをア
ニールするとＨｃ＝９Ｋ。Attempts to magnetize rare earth intermetallic compounds consisting of rare earth metals, iron, and boron include, for example, turns (Fe, 82.B,
18), 9Rb, 05Da, and 05 ultra-quenched ribbons were annealed, Hc = 9K.
ｏ、Ｂ’ｒ＝５ＫＧ１但しくＢＨ）Ｍａｘが低い。o, B'r=5KG1 However, BH) Max is low.
（Ｎ、Ｃ，Ｋｏｏｎ他Ａｐｌ １．ｐｈｙｓ、Ｌｅｔ、
ｅｒ３９．（１０）、１９８１．８４０−８４２）希土
類・鉄・ボロン系超急冷アモルファスリボンは粉末状で
その緒特性を測定することによって磁石化の可能性を論
じている。実用材料としての評価は見当たらない。(N, C, Koon et al.Apl 1.phys, Let,
er39. (10), 1981.840-842) Discusses the possibility of magnetization of ultra-quenched amorphous ribbons based on rare earth elements, iron, and boron by measuring their properties in powder form. No evaluation as a practical material has been found.
本発明は超急冷法で製造された、Ｒ，Ｆｅ、Ｂ粉末と結
合材である有機物樹脂（熱可塑性、熱硬化性樹脂のいず
れかを用いる）からなるボンド磁石である。The present invention is a bonded magnet manufactured by an ultra-quenching method and made of R, Fe, and B powders and an organic resin (using either thermoplastic or thermosetting resin) as a binder.
従来は、超急冷法の例えばＮｄＦｅＢ、ＰｒＦｅ％ Ｙ
ＦｅｌＮｄＤｙＦｅＢ等の組成物の磁石物性に関する研
究例が主体的であった。Conventionally, ultra-quenching methods such as NdFeB, PrFe% Y
Most of the research focused on the magnetic properties of compositions such as FeINdDyFeB.
また実用材料としてとらえれば基本組成が鉄なので、大
変酸化（錆）しやすい問題があった。Furthermore, when considered as a practical material, since its basic composition is iron, it has the problem of being extremely susceptible to oxidation (rusting).
また、実用永久磁石としてみれば、形杖のつくりやすさ
、精度、量産性、磁石性など所望の特性が得られていな
い。Furthermore, when viewed as a practical permanent magnet, desired characteristics such as ease of making shaped rods, precision, mass production, and magnetic properties are not obtained.
本発明は前記問題を解決するもので、等方性の高性能磁
石を提供することを目的とする。The present invention solves the above problem and aims to provide an isotropic high-performance magnet.
本発明における組成物は、Ｒ，Ｆｅ、Ｂで超急冷法でつ
くられた微結晶からなる粉末を用いる。The composition of the present invention uses a powder consisting of microcrystals made of R, Fe, and B by an ultra-quenching method.
その粉末の大きさは１７０μｍ以下このましくは５０μ
ｍから３μｍの範囲である。微粉末化は、ヘキサン、ト
ルエンなどの存機溶剤を加えたボールミル又はアトライ
ターミルなどで行う。The size of the powder is 170 μm or less, preferably 50 μm.
m to 3 μm. Pulverization is performed using a ball mill or attritor mill to which a solvent such as hexane or toluene is added.
バインダーの有機物樹脂は、熱可塑性樹脂、熱硬化性樹
脂いずれかを選択すれば良い。As the organic resin of the binder, either a thermoplastic resin or a thermosetting resin may be selected.
熱可塑性樹脂は、 ナイロン６．６６．１２など、ｐｐ
（ポリプロビレｙ） 、ＥＶＡ、ＰＰＳ。Thermoplastic resins include nylon 6.66.12, pp
(polypropylene), EVA, PPS.
ＰＥＥＫ等を磁石粉末と共に混線材などを用いて混練物
（コンパウンド）をつくる。その量は、成形方式にもよ
るが、１５重量％以下である。好ましくは１０％〜５％
の範囲である。一方熱硬化性樹脂は、エポキシ、ポリエ
ステル、フェノール、ケイ素等の有機物樹脂が適応され
る。その配合量は最大１５％であり、成形方法によって
好ましい範囲が選定される。A compound is made by using PEEK, etc., with magnetic powder, and a mixed wire material. The amount depends on the molding method, but is 15% by weight or less. Preferably 10% to 5%
is within the range of On the other hand, as the thermosetting resin, organic resins such as epoxy, polyester, phenol, and silicon are applicable. Its blending amount is at most 15%, and a preferable range is selected depending on the molding method.
本発明法では、金型を用いる加圧成形法では、圧縮圧力
が１〜７トン／ｃｍ’ と比較的高圧にして、高密度化
すなわち高性能化を目的とするので樹脂量は、０．５〜
５％が適用される。また、射出成形、押出成形カレンダ
ーロール成形などは、混合物の流動性が重要になるので
、樹脂は５〜１５％と多くする。In the method of the present invention, in the pressure molding method using a mold, the compression pressure is set at a relatively high pressure of 1 to 7 tons/cm', and the aim is to increase the density, that is, to improve the performance, so the amount of resin is 0. 5～
5% applies. Further, in injection molding, extrusion molding, calendar roll molding, etc., the fluidity of the mixture is important, so the resin content is increased to 5 to 15%.
以下に本発明の効果を具体的に実施例に従って詳述する
。The effects of the present invention will be specifically explained in detail below according to Examples.
実施例−１
Ｎｄ２９．８％Ｂ０．８％残部Ｆｅおよび不可避の不純
物からなる組成合金を高周波溶解炉で溶解、水冷銅ロー
ル上に吐出し超急冷法によってリボン状薄帯粉末を得た
。その、大きさは厚さは１０〜３０μｍであった。次に
素原料は、以下の手順で実用永久磁石材料とした。Example 1 A composition alloy consisting of 29.8% Nd, 0.8% B, balance Fe, and unavoidable impurities was melted in a high-frequency melting furnace, and discharged onto a water-cooled copper roll to obtain a ribbon-shaped ribbon powder by ultra-quenching. Its size was 10 to 30 μm in thickness. Next, the raw material was made into a practical permanent magnet material using the following procedure.
■ 粉末粒度１７７μｍ以下に粉砕した。もちろん、Ａ
ｒガス零四気下で、ボールミル中で行った。■ Pulverized to a powder particle size of 177 μm or less. Of course, A
It was carried out in a ball mill under zero and four atmospheres of r gas.
■ 仔機溶媒のグイフロン１１３（ダイキン工業製）を
加えアトライターミル中で約１０分間粉砕した。粉末の
量は、１０ｋｇ５ グイフロン１１３５ ｋ ｇｌ ス
チールボール２０’ｋｇの量を容器内に投入して行った
。(2) Guiflon 113 (manufactured by Daikin Industries), a child solvent, was added and pulverized in an attritor mill for about 10 minutes. The amount of powder was 10 kg, 1135 kg of Guiflon, and 20 kg of steel balls, which were put into a container.
■ ＦＳＳＳ、（フィッシャーサブシーブサイザー）法
による平均粒度を測定した。(2) The average particle size was measured using the FSSS (Fisher Subsieve Sizer) method.
約０μｍの平均粒度であった。The average particle size was approximately 0 μm.
■ バインダー（結合材）にエポキシ樹脂、フェノール
樹脂の熱硬化性樹脂を選定、第１表に示す磁石粉末との
混合比率のサンプルについて、自動混線材にて行った。(2) Thermosetting resins such as epoxy resin and phenol resin were selected as the binder (binding material), and samples with the mixing ratio with magnet powder shown in Table 1 were tested using an automatic cross-wire material.
■ 金型はφ１２Ｘ１０ρｍｍ円柱吠試料とした。■ The mold was a φ12×10ρmm cylindrical sample.
成形圧力は第１表に示す条件で行った。この時のプレス
は、−軸油圧プレスで、グイフローティング方式による
もので成形した。The molding pressure was carried out under the conditions shown in Table 1. The press used at this time was a -axis hydraulic press, and the molding was performed using a Gui floating method.
■ 次に成形体は、加熱焼成固化させたが、温度ハ、１
００〜１８０″ＣＸ１時間、Ｎ ｘ カス中７−行った
。■ Next, the molded body was heated and baked to solidify, but the temperature was 1.
00-180″CX1 hour, 7-performed in Nx gas.
■ ＪＩＳ１Ｃ２５’０１に準拠した自動自記磁束計で
、有効磁場２５Ｋｏｅを加え磁気性能を測定した。■ Magnetic performance was measured by applying an effective magnetic field of 25 Koe using an automatic self-recording magnetometer in accordance with JIS1C25'01.
第１表
第２表
ここで比較例は、Ｓ ｍ （Ｃｏ ｂ ａ ］ Ｃｕ
Ｏ’。Table 1 Table 2 Here, the comparative example is S m (Co ba ] Cu
O'.
０７ Ｆｅｄ、２ Ｚｒｏｏ、０２）８．０組成か
、らなる２−１７系希土類金属間化合物磁石粉末である
。本実施例は圧縮成形法で等方性磁石をつくった例であ
るが、比較例に比べ高性能磁石を得られた。等方性磁石
でこれだけ高性能の希土類樹脂結合磁石は知られていな
い。07 Fed, 2 Zroo, 02) A 2-17 rare earth intermetallic compound magnet powder having a composition of 8.0. This example is an example in which an isotropic magnet was made using a compression molding method, and a high-performance magnet was obtained compared to the comparative example. There is no known isotropic magnet with such high performance as a rare earth resin bonded magnet.
これだけ磁気性能が高い等方性磁石は、多極着磁によっ
て、高い磁束密度を得ることができ、スピーカ、モータ
の高性能化に極めて有効となる。Isotropic magnets with such high magnetic performance can obtain high magnetic flux density by multipolar magnetization, making them extremely effective in improving the performance of speakers and motors.
実施例−２
実施例１と同一組成のＮｄＦｅＢ磁石粉末を用いて、射
出成形によって永久磁石をつ（った。試料形状は、φ３
０Ｘφ２５Ｘ６ｍｍのリング状である。第３表に製造条
件と諸特性を示す。Example 2 A permanent magnet was made by injection molding using NdFeB magnet powder with the same composition as in Example 1. The sample shape was φ3.
It has a ring shape of 0xφ25x6mm. Table 3 shows the manufacturing conditions and various characteristics.
バインダーは、ナイロン１２を使用し磁石粉末との混練
は、２８０℃に加熱しながらスクリュー式混棟材でコン
パウンドをつくった。Nylon 12 was used as the binder, and the compound was kneaded with the magnet powder using a screw-type mixing material while heating to 280°C.
なお比較例（７）２−１７系Ｓｍ（Ｇ Ｃｕ Ｆｅ
Ｚｒ）合金粉末は実施例１と同様のものを使用した。Comparative example (7) 2-17 series Sm (G Cu Fe
The same Zr) alloy powder as in Example 1 was used.
比較例と本発明法により得られた射出成形法で第３表
の比較でもやはり高い性能が得られた。このことは、Ｎ
ｄ Ｆｅ Ｂ粉末の高い磁気性能がそのまま、現出
させることができた。In the comparison shown in Table 3, high performance was also obtained between the comparative example and the injection molding method obtained by the method of the present invention. This means that N
The high magnetic performance of the dFeB powder could be brought out as it is.
このようにリング状の磁石でも、（ＢＨ）ｍａ×４〜６
ＮｉＧＯｅ級の等方性磁石を得られた。このように、精
密複雑形状の等方性磁石の登場は、モータ、スピーカな
どの小型、高性能化に有効となるであろう。In this way, even with a ring-shaped magnet, (BH) max x 4 ~ 6
An isotropic magnet of NiGOe class was obtained. In this way, the advent of isotropic magnets with precise complex shapes will be effective in making motors, speakers, etc. smaller and with higher performance.
本実施例は、ナイロン１２を用いたが、熱可塑性の樹脂
であれば、ＰＰＳ、ＰＥＥＫ、ＰＰなど同様の効果を得
られるものである。Although nylon 12 was used in this embodiment, similar effects can be obtained using thermoplastic resins such as PPS, PEEK, and PP.
以上述べたように本発明によれば、基本組成が希土頒金
属、鉄、ボロンからなる超急冷法でつくられた、磁石粉
末とを機物樹脂からボンド型磁石は、従来の希土類コバ
ルト磁石に比べ高い磁気性能を有する等方性磁石を得ら
れた。これを用いた機器は、例えばモータの高出力化、
小型化、ロッドレスシリンダー、スピーカ等へ低コスト
、高性能を実現できるなど多大の効果をもたらす実用性
の高い材料である。As described above, according to the present invention, a bond type magnet made of magnet powder and machine resin made by an ultra-quenching method whose basic composition is a rare earth arsenic metal, iron, and boron is different from a conventional rare earth cobalt magnet. An isotropic magnet with higher magnetic performance was obtained compared to the previous method. Devices using this include, for example, high output motors,
It is a highly practical material that brings many benefits such as miniaturization, low cost, and high performance for rodless cylinders, speakers, etc.
以 上 出願人 セイコーエブンン株式会社that's all Applicant: Seiko Even Co., Ltd.
Claims (2)
らなり超急冷法でつくられた磁石粉末を重量比で８５％
以上、残部有機物樹脂結合材からなる樹脂ボンド（結合
）法で成形して製造されたことを特徴とする希土類磁石(1) Magnet powder made of rare earth metal (R), iron (Fe), and boron (B) made using an ultra-quenching method with a weight ratio of 85%.
The above rare earth magnet is characterized in that it is manufactured by molding using a resin bonding method in which the remainder is an organic resin binder.
）ニッケル（Ｎｉ）ニオブ（Ｎｂ）クロム（Ｃｒ）など
の遷移金属で置換した特許請求の範囲第１項に記載の希
土類磁石(2) Part of the iron is cobalt (Co) manganese (Mn)
) Rare earth magnet according to claim 1 substituted with a transition metal such as nickel (Ni) niobium (Nb) chromium (Cr)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62261208A JP2619653B2 (en) | 1987-10-16 | 1987-10-16 | Rare earth magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62261208A JP2619653B2 (en) | 1987-10-16 | 1987-10-16 | Rare earth magnet |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7255320A Division JPH08181011A (en) | 1995-10-02 | 1995-10-02 | Rare earth magnet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01103806A true JPH01103806A (en) | 1989-04-20 |
| JP2619653B2 JP2619653B2 (en) | 1997-06-11 |
Family
ID=17358644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62261208A Expired - Lifetime JP2619653B2 (en) | 1987-10-16 | 1987-10-16 | Rare earth magnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2619653B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012098883A1 (en) * | 2011-01-20 | 2012-07-26 | パナソニック株式会社 | Bonded magnet and motor provided with same |
| CN105206370A (en) * | 2015-10-12 | 2015-12-30 | 北京工业大学 | High-temperature-resistant isotropy bonding NdFeB magnet and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59211549A (en) * | 1983-05-09 | 1984-11-30 | ゼネラル・モ−タ−ズ・コ−ポレ−シヨン | Adhered rare earth element-iron magnet |
| JPS60254708A (en) * | 1984-05-31 | 1985-12-16 | Daido Steel Co Ltd | Manufacture of permanent magnet |
| JPS63262802A (en) * | 1987-04-21 | 1988-10-31 | Nippon Steel Chem Co Ltd | Fe-nd-b plastic magnet |
-
1987
- 1987-10-16 JP JP62261208A patent/JP2619653B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59211549A (en) * | 1983-05-09 | 1984-11-30 | ゼネラル・モ−タ−ズ・コ−ポレ−シヨン | Adhered rare earth element-iron magnet |
| JPS60254708A (en) * | 1984-05-31 | 1985-12-16 | Daido Steel Co Ltd | Manufacture of permanent magnet |
| JPS63262802A (en) * | 1987-04-21 | 1988-10-31 | Nippon Steel Chem Co Ltd | Fe-nd-b plastic magnet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012098883A1 (en) * | 2011-01-20 | 2012-07-26 | パナソニック株式会社 | Bonded magnet and motor provided with same |
| CN103329222A (en) * | 2011-01-20 | 2013-09-25 | 松下电器产业株式会社 | Bonded magnet and motor provided with same |
| CN105206370A (en) * | 2015-10-12 | 2015-12-30 | 北京工业大学 | High-temperature-resistant isotropy bonding NdFeB magnet and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2619653B2 (en) | 1997-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0898778B1 (en) | Bonded magnet with low losses and easy saturation | |
| EP0239031B2 (en) | Method of manufacturing magnetic powder for a magnetically anisotropic bond magnet | |
| US4601875A (en) | Process for producing magnetic materials | |
| JP3741597B2 (en) | Multi-element rare earth-iron lattice intrusion-type permanent magnet material, permanent magnet comprising the same, and method for producing them | |
| DE69200130T2 (en) | Magnetic material. | |
| JPH06340902A (en) | Production of sintered rare earth base permanent magnet | |
| EP0249973A1 (en) | Permanent magnetic material and method for producing the same | |
| JPH0257662A (en) | Rapidly cooled thin strip alloy for bond magnet | |
| JPH0316761B2 (en) | ||
| US5536334A (en) | Permanent magnet and a manufacturing method thereof | |
| US3682714A (en) | Sintered cobalt-rare earth intermetallic product and permanent magnets produced therefrom | |
| JPH0551656B2 (en) | ||
| JP3391704B2 (en) | Rare earth magnet | |
| JPH01103806A (en) | Rare-earth magnet | |
| JPS6386502A (en) | Rare earth magnet and manufacture thereof | |
| JPH023201A (en) | Permanent magnet | |
| JPH0653882B2 (en) | Alloy powder for bonded magnet and manufacturing method thereof | |
| JPS62256411A (en) | Permanent magnet with outstanding resistance to oxidation | |
| JPH0535211B2 (en) | ||
| JPH044386B2 (en) | ||
| JPS6365742B2 (en) | ||
| JPH023210A (en) | Permanent magnet | |
| GB2069528A (en) | Ferromagnetic Alloys | |
| JPH0316764B2 (en) | ||
| JPH0151536B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080311 Year of fee payment: 11 |