JPS60221549A - Rare earth permanent magnet - Google Patents
Rare earth permanent magnetInfo
- Publication number
- JPS60221549A JPS60221549A JP59077857A JP7785784A JPS60221549A JP S60221549 A JPS60221549 A JP S60221549A JP 59077857 A JP59077857 A JP 59077857A JP 7785784 A JP7785784 A JP 7785784A JP S60221549 A JPS60221549 A JP S60221549A
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- permanent magnet
- alloy
- earth permanent
- manufactured
- 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
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- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔技術分野〕
本発明は希土類金属、遷移金属そして半金属もしくは半
導体元素からなる合金より製造される希土類永久磁石に
関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to rare earth permanent magnets manufactured from alloys of rare earth metals, transition metals, and semimetal or semiconductor elements.
現在工業化されている希土類磁石は、Sm0O61””
)! (TM)17 (但しTMは遷移金属を表わす)
、モしてNd−Fe−B 系等である。これらの磁石に
使われている希土類金属はモナザイト、バストネサイト
等の鉱石からイオン文挟法や溶媒抽出法を用いて得られ
る分離希上であるためコストが高くなり、さらに多値に
使用される分離箱出の中には供給量に不安を生じる等の
問題がでてきた。The rare earth magnet currently being industrialized is Sm0O61""
)! (TM)17 (TM represents a transition metal)
, and the Nd-Fe-B system. The rare earth metals used in these magnets are isolated and diluted from ores such as monazite and bastnaesite using the ion interpolation method or solvent extraction method, which increases the cost and makes it necessary to use them for multiple values. Problems have arisen in the separation of boxes, including concerns about the supply amount.
このため一部では低コストの混合箱土金属(ミツシュメ
タル以下MMと略す)を用いて低コスト希土類磁石を開
発することが試みられている。このような希土類成分に
MMを使用した磁石の磁気性能はMMOO,で焼結磁石
の場合、残留磁束密度(以下Brと略す)8100(G
)、固有の保磁力(以下iHcと略す) 9 [) 0
0 (Oθ)、最大エネルギー積(以下(BH)max
と略す)14.5(MGOe)(H,Nagel、H,
T’、に1ein A工P 0onf、Proc 24
695 (1974ン)1等の報告がなされているが
、一般には性能が低いため工業的規模で生産されるまで
にはいたっていない。For this reason, some attempts have been made to develop low-cost rare earth magnets using low-cost mixed box metals (hereinafter referred to as MM). The magnetic performance of a magnet using MM as the rare earth component is MMOO, and in the case of a sintered magnet, the residual magnetic flux density (hereinafter abbreviated as Br) is 8100 (G
), intrinsic coercive force (hereinafter abbreviated as iHc) 9 [) 0
0 (Oθ), maximum energy product (hereinafter (BH) max
) 14.5 (MGOe) (H, Nagel, H,
T', ni1ein A engineering P 0onf, Proc 24
695 (1974), but it has not been produced on an industrial scale due to its generally low performance.
本発明はこの様な問題点を解決するもので、その目的と
するところは、低コストかつ高性能な永久磁石?提供す
るところにある。The present invention solves these problems, and its purpose is to create a low-cost, high-performance permanent magnet. It's there to provide.
本発明の永久磁石はCe −P r −N d合金とF
eからなる系に半金に話、半纏体元素を添加しさらには
Feの一部をAt、Ga、In、Sn。The permanent magnet of the present invention consists of Ce-Pr-Nd alloy and F
To the system consisting of Fe, semimetallic elements are added, and some of the Fe is replaced with At, Ga, In, and Sn.
P(1,Bi寺の元素で置換して得られる合金を焼結法
あるいは樹脂結合法で製造することを特徴とする。It is characterized in that the alloy obtained by substituting elements P(1, Bi) is produced by a sintering method or a resin bonding method.
以下本発明について実施例に基づき詳細に説明する。 The present invention will be described in detail below based on examples.
〈実施例1〉
低周波溶解炉を用いてArガス中で第1表に示す組成の
合金を溶解する。<Example 1> An alloy having the composition shown in Table 1 is melted in Ar gas using a low frequency melting furnace.
該合金は1170’CX10時間溶体化処理を行ない、
更に800℃×4時間時効処理を行ない、その後ボール
ミルで粉砕し粒径が2μ犠〜8oμ溝の磁性粉末とした
。この磁性粉末にエポキシ樹脂を2.0重量%加えて混
練する。そしてこの混練物を磁場中で圧縮成形し、その
後150℃×1時11加熱して得られた永久磁石の磁気
性能を第2衣に示す。第2表より本発明磁石は混合希土
を利用した磁石としては非常に高い性能を持っているこ
とが判る。The alloy was solution treated with 1170'CX for 10 hours,
It was further aged at 800° C. for 4 hours, and then ground in a ball mill to obtain magnetic powder with a grain size of 2 μm to 8 μm. 2.0% by weight of epoxy resin is added to this magnetic powder and kneaded. Then, this kneaded material was compression molded in a magnetic field, and then heated at 150° C. for 1 hour and 11 hours. The magnetic performance of the obtained permanent magnet is shown in the second column. From Table 2, it can be seen that the magnet of the present invention has extremely high performance as a magnet using mixed rare earth.
@2表
〈実施例2〉
組成式が0190.4 P r O,I N d o、
5 (Fed−ABA) 5.aからなる糸において、
Aの値を0.02〜0.2まで変えた合金について実施
例1と同じ方法を用いて永久磁石を製造する。この永久
磁石の磁気性能を第1図に示す。本発明磁石は第1図よ
り0.02≦A≦0.2の範囲で高い性能を示すことが
判る。@Table 2 <Example 2> The composition formula is 0190.4 P r O, I N do,
5 (Fed-ABA) 5. In the thread consisting of a,
Permanent magnets are manufactured using the same method as in Example 1 using alloys in which the value of A is varied from 0.02 to 0.2. Figure 1 shows the magnetic performance of this permanent magnet. It can be seen from FIG. 1 that the magnet of the present invention exhibits high performance in the range of 0.02≦A≦0.2.
く実施例3〉
組成式がCe0.4 PrO,l Nd0.5’(Fe
O,91Bo、09)Z からなる系において、2の値
を4.0− a Qまで変えた合金に実施例1と同じ方
法を用いて永久磁石を製造する。この永久磁石の磁気性
能を第2図に示す。Example 3> The composition formula is Ce0.4 PrO,l Nd0.5'(Fe
In the system consisting of O, 91Bo, 09)Z, permanent magnets are manufactured using the same method as in Example 1 for alloys in which the value of 2 is changed to 4.0-aQ. The magnetic performance of this permanent magnet is shown in Figure 2.
2の値は4.0≦2≦aQで良好な磁気性能を示してい
るが、特に5. Q≦2≦6. Qの範囲が望ましいと
言える。The value of 2 indicates good magnetic performance with 4.0≦2≦aQ, but especially the value of 5. Q≦2≦6. It can be said that a range of Q is desirable.
〈実施例4〉
第3表に示す組成の合金に実施列1と同じ方法を用いて
永久磁石を製造する。この永久磁石の磁気性能を第4表
に示す。<Example 4> A permanent magnet is manufactured using the same method as in Example 1 using an alloy having the composition shown in Table 3. The magnetic performance of this permanent magnet is shown in Table 4.
第4我よりBの代りにSi、O,Ge、P、Sの各元素
を添加してもBと同様に高い性能を与えることが判る。From Section 4, it can be seen that adding the elements Si, O, Ge, P, and S instead of B provides high performance similar to B.
〈実施例5〉
第5表に示す組成の合金に実施例1と同じ製造方法を用
いて永久磁石を、作成する。そしてと、の永久磁石の磁
気性能を第6表に示す。<Example 5> A permanent magnet is produced using the same manufacturing method as in Example 1 using an alloy having the composition shown in Table 5. Table 6 shows the magnetic performance of the permanent magnets and.
?eの一部をAL、Ga 、In、Sn、Pa。? A part of e is AL, Ga, In, Sn, Pa.
B1の各元素で置換したものは保磁力が増加しておりそ
れにつれて性能も向上している。The coercive force of B1 substituted with each element increases, and the performance also improves accordingly.
〈実施例6〉
実施例1.4.5の中に使われている試料N[L 2.
6.13の組成の合金について、低周波溶解炉を用いて
Arガス中で溶解する。そして該合金をボールミルを用
いて粒径2μtn〜5μ惧の範囲の微粉末に粉砕する。<Example 6> Sample N [L 2. used in Example 1.4.5.
An alloy having a composition of 6.13 is melted in Ar gas using a low frequency melting furnace. The alloy is then ground into fine powder with a particle size ranging from 2 μtn to 5 μm using a ball mill.
この粉末を′ki場中で圧縮成形し、その成形体を12
00℃×1時間焼結後1170℃×2時間溶体化処理を
行ない急冷し、さらに800℃×2時間時効処理する。This powder was compression molded in-situ, and the molded body was
After sintering at 00°C for 1 hour, solution treatment is performed at 1170°C for 2 hours, followed by rapid cooling, followed by aging treatment at 800°C for 2 hours.
この様にして得られた永久磁石の磁気性能を第7表に示
す。Table 7 shows the magnetic performance of the permanent magnet thus obtained.
第7表より本発明磁石は焼結法を用いた場合、SmCo
B系の焼結磁石に匹敵する磁気性能を有することが判る
。Table 7 shows that the magnet of the present invention is made of SmCo when the sintering method is used.
It can be seen that it has magnetic performance comparable to B-based sintered magnets.
〈実施例7〉
試料Nα2 、’6 、13の組成の合金について低周
波溶解炉を用いてArガス中で溶解する。その後膣合金
を1170℃×10時間溶体化処理、800℃×4時間
時効処理する。そしてこの合金をボールミルで2μm〜
80μ惧の粒に分布にまで粉砕し、さらにこの粉末を樹
脂と混練して、押出し成形機、あるいは射出成形機を用
いて磁場中で成形する。第8表に成形条件、第9表に永
久磁石の磁気性能を表す。<Example 7> Alloys having the compositions of samples Nα2, '6, and 13 are melted in Ar gas using a low frequency melting furnace. Thereafter, the vagina alloy is subjected to solution treatment at 1170°C for 10 hours and aging treatment at 800°C for 4 hours. This alloy is then milled in a ball mill to a thickness of 2 μm or more.
The powder is pulverized to a distribution of 80 μm particles, and this powder is further kneaded with a resin and molded in a magnetic field using an extrusion molding machine or an injection molding machine. Table 8 shows the molding conditions, and Table 9 shows the magnetic performance of the permanent magnet.
以上述べてきたように本発明によれば、廉価で高性能な
希土類永久磁石の供給が可能となるため産・業界に及ぼ
す効果は大きいと言える。As described above, according to the present invention, it is possible to supply rare earth permanent magnets with low cost and high performance, so it can be said that the present invention has a great effect on industry.
第1図はBの添加量と磁石の磁気性能の関係を表したグ
ラフ
第2図は2値を変えたときの磁石の磁気性能を示したグ
ラフ
以 上
出願人 株式会社諏訪精工舎
代理人 弁理士 最上 務
0.00 0.05 0.10 0.15 0.2OA
の 値
第1図
4.0 5.0 6.0 7.0 B、02 ゛ の
イ謙1
第2図Figure 1 is a graph showing the relationship between the amount of B added and the magnetic performance of the magnet. Figure 2 is a graph showing the magnetic performance of the magnet when two values are changed. Tsutomu Mogami 0.00 0.05 0.10 0.15 0.2OA
Value of Fig. 1 4.0 5.0 6.0 7.0 B, 02゛ of
Iken 1 Figure 2
Claims (1)
dy (Tel−AMA)z(但し、MはB、O,Si
、Ge、P、Sの元素群のうぢの1柚または2種以上の
元素を示しX。 Y、ZおよびAはそれぞれ下記の範囲にある。)0.1
≦X≦0.5 0.1≦Y≦0.85 4.0≦2≦aO O102≦A≦0.2 o(1−x−y≦0.8 で戒される合金を使用して焼結法及び樹14ば結合法で
製造することを%徴とする希土類永久磁石。 (2) %N’F品求の範囲第(1)項で表した組成に
おいてIFeの0.1モル以下をAt、Ga 、In、
Sn、Pa、Biの元素群のうちの1種または2種以上
の元素で置換した合金を使用して焼結法及び樹脂結合法
で、製造することを特徴とする希土類永久磁石。[Claims] (1) The compositional formula is Ce 1-x-y Pr x N
dy (Tel-AMA)z (However, M is B, O, Si
, Ge, P, S represents one or more elements of the element group. Y, Z and A are each in the following ranges. )0.1
≦X≦0.5 0.1≦Y≦0.85 4.0≦2≦aO O102≦A≦0.2 o (1-x-y≦0.8 Rare earth permanent magnets manufactured by bonding method and bonding method. (2) Range of %N'F content In the composition shown in item (1), 0.1 mol or less of IFe is At, Ga, In,
A rare earth permanent magnet characterized in that it is manufactured by a sintering method and a resin bonding method using an alloy substituted with one or more elements from the element group Sn, Pa, and Bi.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59077857A JPH06942B2 (en) | 1984-04-18 | 1984-04-18 | Rare earth permanent magnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59077857A JPH06942B2 (en) | 1984-04-18 | 1984-04-18 | Rare earth permanent magnet |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60221549A true JPS60221549A (en) | 1985-11-06 |
JPH06942B2 JPH06942B2 (en) | 1994-01-05 |
Family
ID=13645730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59077857A Expired - Lifetime JPH06942B2 (en) | 1984-04-18 | 1984-04-18 | Rare earth permanent magnet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH06942B2 (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6150310A (en) * | 1984-08-11 | 1986-03-12 | Tohoku Metal Ind Ltd | Sintered type rare-earth magnet |
JPS6231102A (en) * | 1985-08-01 | 1987-02-10 | Hitachi Metals Ltd | Sintered permanent magnet |
JPS63100155A (en) * | 1986-10-10 | 1988-05-02 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | Magnetic material consisting of iron, boron and rare earth metal and its production |
JPH01158629A (en) * | 1987-07-27 | 1989-06-21 | Seiko Epson Corp | Actuator |
JPH01175205A (en) * | 1987-12-28 | 1989-07-11 | Shin Etsu Chem Co Ltd | Rare earth permanent magnet |
JPH01294234A (en) * | 1987-08-27 | 1989-11-28 | Seiko Epson Corp | Actuator |
JPH024942A (en) * | 1989-02-10 | 1990-01-09 | Toshiba Corp | Permanent magnetic alloy |
US4954186A (en) * | 1986-05-30 | 1990-09-04 | Union Oil Company Of California | Rear earth-iron-boron permanent magnets containing aluminum |
US4973415A (en) * | 1986-10-30 | 1990-11-27 | Ryoji Ohmachi | Rapidly quenched ribbon magnet and plastic magnet containing powders of the rapidly quenched ribbon magnet |
US4983232A (en) * | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
US5223047A (en) * | 1986-07-23 | 1993-06-29 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
US5230751A (en) * | 1986-07-23 | 1993-07-27 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
US5292380A (en) * | 1987-09-11 | 1994-03-08 | Hitachi Metals, Ltd. | Permanent magnet for accelerating corpuscular beam |
US6319336B1 (en) | 1998-07-29 | 2001-11-20 | Dowa Mining Co., Ltd. | Permanent magnet alloy having improved heat resistance and process for production thereof |
USRE38042E1 (en) * | 1987-01-06 | 2003-03-25 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
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---|---|---|---|---|
JP6361089B2 (en) | 2013-04-22 | 2018-07-25 | Tdk株式会社 | R-T-B sintered magnet |
JP5370609B1 (en) | 2013-04-25 | 2013-12-18 | Tdk株式会社 | R-T-B permanent magnet |
JP5565498B1 (en) | 2013-04-25 | 2014-08-06 | Tdk株式会社 | R-T-B permanent magnet |
JP5565497B1 (en) | 2013-04-25 | 2014-08-06 | Tdk株式会社 | R-T-B permanent magnet |
JP5565499B1 (en) | 2013-04-25 | 2014-08-06 | Tdk株式会社 | R-T-B permanent magnet |
-
1984
- 1984-04-18 JP JP59077857A patent/JPH06942B2/en not_active Expired - Lifetime
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6150310A (en) * | 1984-08-11 | 1986-03-12 | Tohoku Metal Ind Ltd | Sintered type rare-earth magnet |
JPH0547964B2 (en) * | 1984-08-11 | 1993-07-20 | Tokin Corp | |
JPS6231102A (en) * | 1985-08-01 | 1987-02-10 | Hitachi Metals Ltd | Sintered permanent magnet |
JPH0453083B2 (en) * | 1985-08-01 | 1992-08-25 | Hitachi Metals Ltd | |
US4954186A (en) * | 1986-05-30 | 1990-09-04 | Union Oil Company Of California | Rear earth-iron-boron permanent magnets containing aluminum |
US5230751A (en) * | 1986-07-23 | 1993-07-27 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
US5223047A (en) * | 1986-07-23 | 1993-06-29 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
JPS63100155A (en) * | 1986-10-10 | 1988-05-02 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | Magnetic material consisting of iron, boron and rare earth metal and its production |
US4973415A (en) * | 1986-10-30 | 1990-11-27 | Ryoji Ohmachi | Rapidly quenched ribbon magnet and plastic magnet containing powders of the rapidly quenched ribbon magnet |
US4983232A (en) * | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
USRE38021E1 (en) | 1987-01-06 | 2003-03-11 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
USRE38042E1 (en) * | 1987-01-06 | 2003-03-25 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
JPH01158629A (en) * | 1987-07-27 | 1989-06-21 | Seiko Epson Corp | Actuator |
JPH01294234A (en) * | 1987-08-27 | 1989-11-28 | Seiko Epson Corp | Actuator |
US5292380A (en) * | 1987-09-11 | 1994-03-08 | Hitachi Metals, Ltd. | Permanent magnet for accelerating corpuscular beam |
JPH01175205A (en) * | 1987-12-28 | 1989-07-11 | Shin Etsu Chem Co Ltd | Rare earth permanent magnet |
JPH024942A (en) * | 1989-02-10 | 1990-01-09 | Toshiba Corp | Permanent magnetic alloy |
JPH0583627B2 (en) * | 1989-02-10 | 1993-11-26 | Tokyo Shibaura Electric Co | |
US6319336B1 (en) | 1998-07-29 | 2001-11-20 | Dowa Mining Co., Ltd. | Permanent magnet alloy having improved heat resistance and process for production thereof |
Also Published As
Publication number | Publication date |
---|---|
JPH06942B2 (en) | 1994-01-05 |
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Legal Events
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EXPY | Cancellation because of completion of term |