JPS60221549A - Rare earth permanent magnet - Google Patents

Rare earth permanent magnet

Info

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
Application number
JP59077857A
Other languages
Japanese (ja)
Other versions
JPH06942B2 (en
Inventor
Ryuichi Ozaki
隆一 尾崎
Tatsuya Shimoda
達也 下田
Koji Akioka
宏治 秋岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP59077857A priority Critical patent/JPH06942B2/en
Publication of JPS60221549A publication Critical patent/JPS60221549A/en
Publication of JPH06942B2 publication Critical patent/JPH06942B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To manufacture a highly efficient rare earth permanent magnet with low cost by using an alloy, in which semimetal, semiconductor elements are added to a system composed of Ce-Pr-Nd alloy and Fe, and a part of Fe is substituted by a specified element, as raw material. CONSTITUTION:The alloy expressed by Ce1-X-YPrXNdY(Fe1-AMA)Z is manufactured. In this case, M exhibits >= one or 2 kinds among semimetals, semiconductor elements such as B, C, Si, Ge, P, S, and coeffts. of X, Y, Z, A are 0.1<= X<=0.5, 0.1<=Y<=0.85, 4.0<=Z<=8.0, 0.02<=A<=0.2, 0<1-X-Y<=0.8. Fe of <=0.1mol is substituted by >= one or 2 kinds among Al, Ga, In, Sn, Pd, Bi. The alloy powder is kneaded with an epoxy resin, these are compressed and formed in a magnetic field, then said body is sintered, thereby, the highly efficient rare earth permanent magnet is manufactured.

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.

〔従来技術〕[Prior art]

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.

〔目的〕〔the purpose〕

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.

〔概要〕〔overview〕

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.

〔実施例〕〔Example〕

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.

〔効果〕〔effect〕

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.

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【特許請求の範囲】 （１）　組成式がＣｅ　１−ｘ−ｙ　Ｐ　ｒ　ｘ　Ｎ　
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.
JP59077857A 1984-04-18 1984-04-18 Rare earth permanent magnet Expired - Lifetime JPH06942B2 (en)

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)

* Cited by examiner, † Cited by third party
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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Cited By (19)

* Cited by examiner, † Cited by third party
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

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