JPH0452244A - Permanent magnet alloy - Google Patents
Permanent magnet alloyInfo
- Publication number
- JPH0452244A JPH0452244A JP2159638A JP15963890A JPH0452244A JP H0452244 A JPH0452244 A JP H0452244A JP 2159638 A JP2159638 A JP 2159638A JP 15963890 A JP15963890 A JP 15963890A JP H0452244 A JPH0452244 A JP H0452244A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- magnet
- magnetic properties
- alloy
- magnet alloy
- 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.)
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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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
Ｃ産業上の利用分野コ
本発明はＰｒ、Ｔｉを添加した特定組成のＲ２Ｃｏ 、
、系（ＲはＳｍ、Ｐｒを必須成分とする希土類金属）の
永久磁石に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is directed to R2Co with a specific composition added with Pr and Ti;
, system (R is a rare earth metal whose essential components are Sm and Pr).
［従来の技術］
従来、 Ｓｍ２ＣＯ１７系、Ｎｄ−Ｆｅ−Ｂ系永久磁
石材料がスピーカー、モーター等に使用されている。そ
れぞれの材料の磁石特性は、Ｓｍ２Ｃ。[Prior Art] Conventionally, Sm2CO17-based and Nd-Fe-B-based permanent magnet materials have been used for speakers, motors, and the like. The magnetic properties of each material are Sm2C.
１７系磁石では、残留磁束密度Ｂｒは約１１ｋＧ、保磁
力Ｉ ＨＣは約１２ ｋｏｅ 、最大エネルギー積（Ｂ
Ｈ）、、、が約３０ ＭＧＯｅであり、Ｎｄ−Ｆｅ−Ｂ
系磁石ではＢｒは約１３ｋＧ、、Ｈｃは約１０ｋＯｅ（
ＢＨ）、、、が約４０ ｋｏｅである。For the 17 series magnet, the residual magnetic flux density Br is approximately 11 kG, the coercive force IHC is approximately 12 koe, and the maximum energy product (B
H), , is about 30 MGOe, and Nd-Fe-B
In the system magnet, Br is about 13kG, Hc is about 10kOe (
BH), , is about 40 koe.
このようにＮｄ−Ｆｅ−Ｂ系永久磁石材料はＳｍ２ｃｏ
１□系磁石材料に比較して磁気特性に優れている上に、
Ｓｍ、Ｃｏといった高価な材料を使用せず、安価なこと
から、近年急速に生産量が拡大し＋ Ｓｍ２ＣＯＩ７
系磁石材料のそれを凌ぎつつある。In this way, the Nd-Fe-B permanent magnet material is Sm2co
In addition to having superior magnetic properties compared to 1□-based magnet materials,
Since it does not use expensive materials such as Sm and Co and is inexpensive, production volume has increased rapidly in recent years + Sm2COI7
It is surpassing that of other magnet materials.
しかしながら、Ｎｄ−Ｆｅ−Ｂ系磁石材料は。However, Nd-Fe-B based magnet materials.
前述の磁気特性及びコストでは、 Ｓ ｍ２ＣＯ１７
系磁石材料より優れるものの、耐熱性及び耐食性では、
Ｓｍ２Ｃｏ□７系磁石材料と比較し劣るという欠点をも
っている。With the magnetic properties and cost mentioned above, S m2CO17
Although it is superior to other magnet materials, its heat resistance and corrosion resistance are
It has the disadvantage that it is inferior to Sm2Co□7-based magnet materials.
それ故、Ｓｍ２Ｃｏ、７基磁石の磁気特性の向上。Therefore, the magnetic properties of Sm2Co, 7-base magnets are improved.
コストの低下を目的に、様々な組成あるいは製造方法で
磁石の作製が試みられ、その結果が現在まで多数報告さ
れている。For the purpose of reducing costs, attempts have been made to manufacture magnets using various compositions or manufacturing methods, and many results have been reported to date.
第５図に示すＪ 、 ５ＴＲＮＡＴ、ＩＥＥＥ Ｔｒａ
ｎｓ、Ｍａｇｎ、ＭＡＧ−８，５１１−５１５，（１９
７２）にみられるように、はとんどの希土類金属は、Ｒ
２Ｃ０１７金属間化合物を形成し、特にｐ ｒ２ Ｃ０
１７，Ｎｄ２Ｃｏ＋７が優れた飽和磁化４πＩｓを示す
ことから。J, 5TRNAT, IEEE Tra shown in Figure 5
ns, Magn, MAG-8, 511-515, (19
72), most rare earth metals have R
2C017 forms intermetallic compounds, especially p r2 C0
This is because 17,Nd2Co+7 exhibits an excellent saturation magnetization of 4πIs.
Ｓｍ２ＣＯ＋７系磁石合金の１部をＰｒ、あるいはＮｄ
で置換することによりＳｍ２Ｃｏ１７系磁石の残留磁束
密度Ｂｒを向上せしめることが可能であると考えられる
。Part of the Sm2CO+7 magnet alloy is Pr or Nd.
It is considered that it is possible to improve the residual magnetic flux density Br of the Sm2Co17-based magnet by substituting with Br.
しかし＋ Ｐ ｒ ２ Ｃｏ ｌ ７１ Ｎ ｄ ２
Ｃｏ Ｉ ７金属間化合物は、第６図に示すＡ、Ｅ、
ＲＡＹ ａｎｄ Ｋ、Ｊ、５ＴＲＮＡＴ、ＩＥＥＥ Ｔ
ｒａｎｓ、Ｍａｇｎ、ＭＡＧ−８，５１６−５１８（１
，９７２）にみられるように、磁化容易方向がＣ面内で
あることから、Ｓｍ２ Ｃｏ１７系磁石のＳｍの一部を
Ｐｒ、Ｎｄで単純に置換しただけでは。But + P r 2 Col 71 N d 2
The Co I 7 intermetallic compounds are A, E, and
RAY and K, J, 5TRNAT, IEEE T
rans, Magn, MAG-8, 516-518 (1
, 972), the direction of easy magnetization is in the C-plane, so simply replacing a part of Sm in the Sm2Co17-based magnet with Pr or Nd is not enough.
以下余白
４πＩｓの向上はみられるものの、Ｂｒ、（ＢＨ）ｓｓ
ｘ ＊ ＋ Ｈ（の向上は難しいと推察される。Although there is an improvement in the margin 4πIs below, Br, (BH)ss
It is presumed that it is difficult to improve x * + H(.
［発明が解決しようとする課題］
ところが２本発明者らは、Ｐｒ２Ｃｏ＋□全２Ｃｏ＋□
にＴｉを添加することによりＰｒ２ＣＯ＋７全２ＣＯ合
物の磁化容易方向がＣ面内から、Ｃ軸方向に変化するこ
とを発見している（特願平２８７５１４号）。[Problem to be solved by the invention] However, the present inventors discovered that Pr2Co+□Total 2Co+□
It has been discovered that by adding Ti to Pr2CO+7, the easy magnetization direction of the Pr2CO+7 total 2CO compound changes from within the C-plane to the C-axis direction (Japanese Patent Application No. 287514).
この事実から、Ｓｍ２ Ｃｏ、７基磁石のＳｍの一部を
Ｐｒで遷移金属の一部をＴｉで置換することによりＳｍ
２Ｃｏ、７基磁石の磁気特性を向上することが予見され
た。From this fact, by replacing part of the Sm of the Sm2Co, 7-base magnet with Pr and part of the transition metal with Ti, Sm
It was predicted that 2Co would improve the magnetic properties of the 7-base magnet.
そこで１本発明の技術的課題は、上記問題点に鑑みＳ
Ｒ２ＣＯ１７系磁石材料のＳｍの一部をＰｒで遷移金属
の一部をＴｉで置換することにより。Therefore, in view of the above problems, one technical problem of the present invention is to
By substituting a part of the Sm of the R2CO17-based magnet material with Pr and a part of the transition metal with Ti.
従来のＳｍ２ＣＯ＋７系磁石よりも磁気特性に優れた永
久磁石材料を提供することである。An object of the present invention is to provide a permanent magnet material that has better magnetic properties than conventional Sm2CO+7-based magnets.
［課題を解決するための手段］
本発明によれば、化学式（Ｒｒ−ｙ Ｐ ｒ ｙ ）
＊、ＣＯｘ２Ｆｅｘ３Ｃｕ、４ＣＺｒ１− Ｔｉｔ
）Ｒ５（ここで。[Means for Solving the Problems] According to the present invention, the chemical formula (Rr-y Pry)
*, COx2Fex3Cu, 4CZr1-Tit
) R5 (here.
ＲはＳｍ又はＳｍと他のＹを含む希土類元素（但し、Ｐ
ｒは除く） 、 ｘｌ−１１〜１３．５ａｔ％、
ｘ２−２５〜８５ａｔ％、ｘ３−１〜４５ａｔ％、ｘ４
−１〜８．５ ａｔ％、 ｘ ５−０．５〜８ａｔ％、
ｙｍｏ、ｔ〜０．８ 、 ｚ −０，１〜０．８を表
わす。）で表され、Ｐｒ、Ｔｉを必須元素とすることを
特徴とする永久磁石合金が得られる。R is Sm or a rare earth element containing Sm and other Y (however, P
(excluding r), xl-11 to 13.5at%,
x2-25~85at%, x3-1~45at%, x4
-1 to 8.5 at%, x 5-0.5 to 8 at%,
ymo, t~0.8, z -0.1~0.8. ), and is characterized by having Pr and Ti as essential elements.
即ち２本発明の永久磁石は、１ｌａｔ％以上１３，５ａ
ｔ％以下のＲ（ＲはＳｍ、Ｐｒを必須成分とする２種以
上のＹを含む希土類金属で、ＰｒはＲに対し、１０ｓｏ
１％以上８０ｍｏ１％以下置換される）と２５ａｔ％以
上８５ａｔ％以下のＣｏと、１ａｔ％以上４５ａｔ％以
下のＦｅと、１ａｔ％以上８．５ ａｔ％以下のＣｕと
、 ０．５ ａｔ％以上８ａｔ％以下のＭ （Ｍは。That is, the permanent magnet of the present invention has a content of 1 lat% or more 13.5a
t% or less of R (R is a rare earth metal containing two or more Y with Sm and Pr as essential components, Pr is 10so
1% or more and 80mo1% or less), Co of 25at% or more and 85at% or less, Fe of 1at% or more and 45at% or less, Cu of 1at% or more and 8.5at% or less, and 0.5at% or more M is 8at% or less (M is.
Ｚｒ、Ｔｉを必須成分とし１Ｍに対し、Ｔｉは。Zr and Ti are essential components, and Ti is 1M.
１０ｓｏ１％以上８０ ｓｏ１％以下である）を含有し
。10 so1% or more and 80 so1% or less).
優れた磁石特性を有するものである。It has excellent magnetic properties.
［実施例］
次に１本発明の実施例について図面を参照して説明する
。[Example] Next, an example of the present invention will be described with reference to the drawings.
［実施例１］
合金組成が、Ｓｍ；５．７ａｔ％、 Ｐ ｒ ；５．
５ ａｔ％。[Example 1] Alloy composition is Sm; 5.7 at%, P r ; 5.
5 at%.
Ｃｏ ； ６４．４ａｔ％、 Ｆ ｅ ； １７．３
ａｔ％、Ｃｕ；４．９ａｔ％、 Ｚ ｒ ；２．２
ａｔ％、また、同量比のＳｍ、Ｐｒ。Co; 64.4 at%, Fe; 17.3
at%, Cu; 4.9 at%, Z r ; 2.2
at%, and Sm and Pr in the same ratio.
Ｃｏ、Ｆｅ、Ｃｕに加え、Ｔｉ；２．２ａｔ％となるよ
うに各原料を調合し、融解することにより２種のインゴ
ットを得た。得られた各インゴットを母合金として、こ
れを粗粉砕、混合、微粉砕し、その粉末を磁場中で成形
し、成形体を得た。In addition to Co, Fe, and Cu, each raw material was prepared to have Ti; 2.2 at%, and two types of ingots were obtained by melting. Each of the obtained ingots was used as a master alloy, which was coarsely pulverized, mixed, and finely pulverized, and the powder was molded in a magnetic field to obtain a molded body.
これら成形体を真空中またはアルゴン中にて１１８０〜
１２３０℃の温度で１〜２時間焼結し。These molded bodies were heated to 1180~
Sinter at a temperature of 1230°C for 1-2 hours.
次いで、１１５０℃〜１２００℃−の温度で溶体化処理
を施した。Then, solution treatment was performed at a temperature of 1150°C to 1200°C.
この後、アルゴン中にて、５００〜９００℃で２〜２０
時間時効を行った。After this, in argon, at 500-900°C for 2-20
The statute of limitations has run out.
このようにして磁気硬化せしめたＳｍ５．７Ｐｒ５ ５
Ｃ０６４，４Ｆ ｅ＋７．５ｃｕａ、＊ Ｚ
ｒ ２．２−ｔ Ｔ ｉ ｚ（ｚ−０〜２．２
）の各組成の永久磁石合金の残留磁束密度Ｂｒ、保磁力
、Ｈｃ、最大エネルギー積（ＢＨ）、、、を測定した。Sm5.7Pr5 5 magnetically hardened in this way
C064,4F e+7.5cua, *Z
r 2.2-t T i z (z-0~2.2
) The residual magnetic flux density Br, coercive force, Hc, maximum energy product (BH), etc. of the permanent magnet alloys of each composition were measured.
その結果を第１図に示した。その結果２本発明に係わる
永久磁石合金は、Ｐｒ添加に加えて、さらにＴｉを添加
することで、明らかにＢｒ、（ＢＨ）−−−、ＩＨｃの
磁気特性が向上し、従来のＳｍ２Ｃｏ、、型磁石より優
れた磁気特性を有することが認められた。The results are shown in Figure 1. As a result 2, the permanent magnet alloy according to the present invention clearly improves the magnetic properties of Br, (BH) ---, IHc by adding Ti in addition to Pr addition, and improves the magnetic properties of conventional Sm2Co,... It was recognized that the magnetic properties were superior to those of type magnets.
［実施例２〕
合金組成が、 Ｓ ｍ ； １１．２ａｔ％、 Ｃ
ｏ ； ６４．４．ａｔ％。[Example 2] Alloy composition is S m ; 11.2 at%, C
o; 64.4. at%.
Ｆ ｅ ； １７Ｊａｔ％、 Ｃｕ ；４．９ ａｔ
％、 Ｚ ｒ ；１．４ ａｔ％、ＴｉＨＯ，Ｂａｔ
％、また、同量比のＣｏ、Ｆｅ。Fe; 17 Jat%, Cu; 4.9 at
%, Z r ; 1.4 at%, TiHO, Bat
%, and Co and Fe in the same amount ratio.
Ｃｕ、Ｚｒ、Ｔｉに加え、 Ｐ ｒ ； １１．２ａ
ｔ％となるように各原料を調合し、融解することにより
２種のインゴットを得た。In addition to Cu, Zr, and Ti, P r ; 11.2a
Two types of ingots were obtained by mixing and melting each raw material so as to give t%.
得られた各インゴットを母合金として、 ［実施例１コ
と同様の方法で焼結時効し、磁気硬化せしめた。Each of the obtained ingots was used as a master alloy, and was sintered and aged in the same manner as in Example 1 to be magnetically hardened.
Ｓｍ、□２−、ｐ ｒｙ Ｃ０６４，４Ｆ ｅｒ７゜３
Ｃｕ４，９Ｚｒｒ、 Ｔｉｏ、ｓ （）’＝０〜１
１．２）の各組成の永久磁石合金を得た。Sm, □2-, pry C064,4Fer7゜3
Cu4,9Zrr, Tio,s ()'=0~1
Permanent magnet alloys having the respective compositions of 1.2) were obtained.
各組成の永久磁石合金のＢ ｒ、 ＋ Ｈｃ ＋（ＢＨ
）□１を測定した結果を第２図に示した。B r, + Hc + (BH
) The results of measuring □1 are shown in Figure 2.
その結果１本発明の永久磁石では、Ｐｒ、Ｔｉの複合添
加がＰｒ添加によるＢｒ、（ＢＨ）ｍ、ｍの特性向上効
果を誘起させ、従来のＳｍ２Ｃｏ、。As a result 1, in the permanent magnet of the present invention, the combined addition of Pr and Ti induces the effect of improving the properties of Br, (BH)m, and m due to the addition of Pr, and compared to the conventional Sm2Co.
型磁石より優れた磁気特性を発現せしめることが確認さ
れた。It has been confirmed that the magnet exhibits superior magnetic properties compared to molded magnets.
［実施例３］ 実施例１と同様の方法により（Ｓｍｏ、Ｐｒ。[Example 3] By the same method as in Example 1 (Smo, Pr.
ｓ ） ＸＩＣ０７５，６−ＫＩ Ｆ ｅ＋ｔ、ａｃｕ
ａ、Ｚ ｒｒ、４Ｔｉ ｏ、ｓ （Ｘ １ ”１０．
８〜１３．２）の各組成の永久磁石合金を得た。s) XIC075,6-KIFe+t,acu
a, Z rr, 4Ti o, s (X 1 ”10.
Permanent magnet alloys having respective compositions 8 to 13.2) were obtained.
各組成の永久磁石合金のＢｒ、、Ｈ（、（ＢＨ）＋＋ｔ
ａｘを測定した結果を第３図に示した。Br, , H(, (BH)++t of the permanent magnet alloy of each composition
The results of measuring ax are shown in FIG.
第３図及び第２図（実施例２）から１本発明の永久磁石
合金はＲ及びＰｒの広い組成範囲で良好な磁気特性を示
し９歩留り等製造上有利な磁石材料であると言える。From FIG. 3 and FIG. 2 (Example 2), it can be said that the permanent magnet alloy of the present invention exhibits good magnetic properties over a wide composition range of R and Pr, and is an advantageous magnetic material in terms of manufacturing, with a yield of 9.
［実施例４コ
実施例１と同様の方法によりＳ ｍ５．２ Ｐ ｒ ６
．。[Example 4] S m5.2 P r 6 by the same method as Example 1
．． .
以下余白
Ｃ０ｂｂ、ｂ−ｘ５ Ｆｅ＋ｔ、１ＣＬ１ ４．９
（Ｚｒｏ、６ ”ｒｉ。Below margin C0bb, b-x5 Fe+t, 1CL1 4.9
(Zro, 6”ri.
４ ） ｘ５（Ｘ ５−０．５〜７．２）の各組成の永
久磁石合金を得た。4) Permanent magnet alloys having various compositions of x5 (X5-0.5 to 7.2) were obtained.
各組成の永久磁石合金のＢ ｒ、＋ Ｈｃ 、（ＢＨ）
１．８を測定した結果を第４図に示した。B r, + Hc, (BH) of the permanent magnet alloy of each composition
The results of measuring 1.8 are shown in FIG.
本発明の永久磁石合金は、第１図、第４図に示したよう
に、Ｚｒ、Ｔｉの広い組成範囲に対して優れた磁気特性
を示し、製造上有利な材料であると言える。As shown in FIGS. 1 and 4, the permanent magnet alloy of the present invention exhibits excellent magnetic properties over a wide composition range of Zr and Ti, and can be said to be an advantageous material in terms of manufacturing.
［発明の効果コ
以上述べたように１本発明によれば、従来のＳｍ２Ｃｏ
、、型磁石にＰｒとＴｉを複合添加することにより、従
来より磁石特性の優れた永久磁石材料を提供することが
できる。[Effects of the invention] As described above, according to the present invention, the conventional Sm2Co
By adding Pr and Ti in combination to a type magnet, it is possible to provide a permanent magnet material with better magnetic properties than ever before.
Ｂｒ、ＩＨ（及び（ＢＨ）、、、の値を示す図、第４図
は実施例４に係わるＢｒ、、ＨＣ及び（ＢＨ）、８８の
値を示す図、第５図ＲＣ０５、Ｒ２ＣＯ１７の飽和磁化
を示す図、第６図はＲ２（ＣＯＩ−Ｆｅｘ）、７の磁化
容易方向を示す図である。Figure 4 is a diagram showing the values of Br, IH (and (BH),...), Figure 4 is a diagram showing the values of Br, HC, and (BH), 88 in Example 4, Figure 5 is the saturation of RC05, R2CO17 A diagram showing magnetization, FIG. 6 is a diagram showing the easy magnetization direction of R2 (COI-Fex), 7.
第１図は本発明の実施例１に係わるＢｒ、１ＨＣ及び（
ＢＨ）□８の値を示す図、第２図は実施例２に係わるＢ
ｒ、ＩＨｃ及び（ＢＨ）□、の値を示す図、第３図は本
発明の実施例３に係わる第１図
５ｒｎｓ−ｒＰｒ５Ｌ５ＣｏＧ４４Ｆｅｒｐ、ａＣｕＬ
４．ｑＫｒ２．２−ｚＲｚＣＷｉ、ＥＡＶｆ−第２図
ＳＩＭ、ｚ−ｙ ＰｒｙＣｏＧ４．＋ Ｆｅ＋ｑ３Ｃｕ
、＋１１Ｚｒ＋４ＴＬｏ、ａの磁石特粘第３図
Ｃ５ｍｏｂＰｒｏ５）ｘ＋ｃｏｐ、ｅ−ｘ＋ Ｆｅ ｎ
、３ｃｕ４．ｑ Ｚｒ＋、＋ ｎｏ、ａのＦａａ争住漉
４図
Ｓｍ５Ｌ２Ｐｒ６．ｏ Ｃ０６６，６−Ｘ５ Ｆｅ＋７
３Ｃａ＋ｑ（ｚｒｏ６ＴＬａｓ＞ｘ５ａ五石闇性Ｘ ＋
／ａｔ ％
Ｘ５／ａｔｙ。FIG. 1 shows Br, 1HC and (
A diagram showing the value of BH) □8, Figure 2 is B related to Example 2
FIG. 3 is a diagram showing the values of r, IHc, and (BH) □, and FIG. 3 is a diagram showing the values of
4. qKr2.2-zRzCWi, EAVf-FIG. 2 SIM, z-y PryCoG4. +Fe+q3Cu
, +11Zr+4TLo, magnet characteristic viscosity of a Fig. 3 C5mobPro5) x+cop, e-x+ Fe n
, 3cu4. q Zr+, + no, a Faa VS 漉 4 fig. Sm5L2Pr6. o C066,6-X5 Fe+7
3Ca+q(zro6TLas>x5a five stone darkness X +
/at%X5/aty.
Claims (1)
ｘ＿２Ｆｅ＿ｘ＿３Ｃｕ＿ｘ＿４（Ｚｒ＿１＿−＿ｚＴ
ｉ＿ｚ）＿ｘ＿５（ここで，ＲはＳｍ又はＳｍと他のＹ
を含む希土類元素（但し，Ｐｒは除く），ｘ１＝１１〜
１３．５ａｔ％，ｘ２＝２５〜８５ａｔ％，ｘ３＝１〜
４５ａｔ％，ｘ４＝１〜８．５ａｔ％，ｘ５＝０．５〜
８ａｔ％，ｙ＝０．１〜０．８，ｚ＝０．１〜０．８を
表わす。）で表され，Ｐｒ，Ｔｉを必須元素とすること
を特徴とする永久磁石合金。1) Chemical formula (R_1_-_yPr_y)_x_1Co_
x_2Fe_x_3Cu_x_4(Zr_1_-_zT
i_z)_x_5 (here, R is Sm or Sm and other Y
Rare earth elements containing (however, excluding Pr), x1 = 11 ~
13.5at%, x2=25~85at%, x3=1~
45at%, x4=1~8.5at%, x5=0.5~
8at%, y=0.1-0.8, z=0.1-0.8. ), and is characterized by having Pr and Ti as essential elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2159638A JP2929219B2 (en) | 1990-06-20 | 1990-06-20 | Permanent magnet alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2159638A JP2929219B2 (en) | 1990-06-20 | 1990-06-20 | Permanent magnet alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0452244A true JPH0452244A (en) | 1992-02-20 |
| JP2929219B2 JP2929219B2 (en) | 1999-08-03 |
Family
ID=15698090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2159638A Expired - Fee Related JP2929219B2 (en) | 1990-06-20 | 1990-06-20 | Permanent magnet alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2929219B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010058555A1 (en) * | 2008-11-19 | 2010-05-27 | 株式会社 東芝 | Permanent magnet and method for manufacturing same, and motor and generator employing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205955B (en) * | 2021-04-30 | 2022-07-19 | 太原科技大学 | A kind of preparation method of high performance sintered samarium cobalt magnet |
-
1990
- 1990-06-20 JP JP2159638A patent/JP2929219B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010058555A1 (en) * | 2008-11-19 | 2010-05-27 | 株式会社 東芝 | Permanent magnet and method for manufacturing same, and motor and generator employing same |
| US9087631B2 (en) | 2008-11-19 | 2015-07-21 | Kabushiki Kaisha Toshiba | Permanent magnet and method of manufacturing the same, and motor and power generator using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2929219B2 (en) | 1999-08-03 |
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