JPS62188746A - Permanent magnet material made of alloy containing fluorine - Google Patents
Permanent magnet material made of alloy containing fluorineInfo
- Publication number
- JPS62188746A JPS62188746A JP61029382A JP2938286A JPS62188746A JP S62188746 A JPS62188746 A JP S62188746A JP 61029382 A JP61029382 A JP 61029382A JP 2938286 A JP2938286 A JP 2938286A JP S62188746 A JPS62188746 A JP S62188746A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- rare earth
- magnet material
- fluorine
- combination
- 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
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 18
- 239000000956 alloy Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title claims abstract description 17
- 239000011737 fluorine Substances 0.000 title claims abstract description 8
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 8
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title abstract 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 238000007796 conventional method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 2
- 230000005415 magnetization Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- YQEZLKZALYSWHR-UHFFFAOYSA-N Ketamine Chemical compound C=1C=CC=C(Cl)C=1C1(NC)CCCCC1=O YQEZLKZALYSWHR-UHFFFAOYSA-N 0.000 description 1
- 241000228143 Penicillium Species 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
発明の属する技術分野
本発明は希土類元素と鉄を含有する新規な合金系永久磁
石に関するものである。特に従来の技術では困難であっ
た高性能化を容易にし、しかも従来の希土類−鉄一硼素
系で問題となっていた温度特性を改善したものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a novel alloy permanent magnet containing rare earth elements and iron. In particular, it facilitates high performance, which was difficult with conventional techniques, and also improves the temperature characteristics that were a problem with conventional rare earth-iron-boron systems.
従来の技術
希土類元素（Ｒ）と鉄（Ｆｅ ）とから成る金属間化合
物は大きな結晶磁気異方性と高い飽和磁束密度を示し、
高保磁力、高エネルギー積を有する永久磁石材料として
注目されている。特に希土類−コバルトから成る材料に
比して廉価である点と高飽和磁束密度である点で永久磁
石として有望である。Conventional technology Intermetallic compounds consisting of rare earth elements (R) and iron (Fe) exhibit large magnetocrystalline anisotropy and high saturation magnetic flux density.
It is attracting attention as a permanent magnet material with high coercive force and high energy product. It is particularly promising as a permanent magnet because it is cheaper than rare earth-cobalt materials and has a high saturation magnetic flux density.
更Ｋ、硼素（Ｂ）を添加したＮｄ −Ｆｅ −Ｂ系やＢ
をＣ，Ｎ５Ｓｉ 、Ｐ等の非金属元素で置換したもの、
又、Ｆｅの一部をＣＯで置換しキュリ一点を上昇させた
ものなど種々の材料が知られている。Further, K, Nd-Fe-B system with added boron (B), and B
substituted with non-metallic elements such as C, N5Si, P, etc.
Various materials are also known, including those in which a portion of Fe is replaced with CO to increase the Curie point.
しかし、これまでの希土類−鉄系磁石は、永久磁石材料
として要求される諸特性が必ずしも充分満足できるほど
には得られていない。特Ｋ、Ｆｅ−Ｎｄ−Ｂ系磁石では
、−０，１３％／℃程度の残留磁束密度の温度係数があ
り、実用上問題となっている。However, conventional rare earth-iron magnets have not always been able to sufficiently satisfy the various properties required of permanent magnet materials. Special K, Fe-Nd-B magnets have a temperature coefficient of residual magnetic flux density of about -0.13%/°C, which poses a practical problem.
発明が解決しようとする問題点
本発明はこのような問題点を改善し、希土類−鉄系合金
において、高い飽和磁化、異方性磁場とともに改善され
た温度特性を有し、高性能化を実現できる永久磁石を提
供するものである。Problems to be Solved by the Invention The present invention improves these problems and achieves high performance in rare earth-iron alloys with high saturation magnetization, an anisotropic magnetic field, and improved temperature characteristics. This provides permanent magnets that can
問題点を解決するための手段
本発明は、希土類−鉄系永久磁石材料Ｋ、ＸＦで表わさ
れる弗化物を添加するものである。Means for Solving the Problems In the present invention, fluorides represented by rare earth-iron permanent magnet materials K and XF are added.
即チ第一の発明ハ（１−ａ ） Ｒ（ＡａＦｅ ＋ −
α）ｒ−ａＸＦなる組成式で表わされる含弗素合金系永
久磁石材料、第二の発明は、（１−ａ ） Ｒ（ＡａＦ
ｅ ＋−α−βＣＯβ）ｒ−ａＸＦなる組成式で表わさ
れる含弗素合金系永久磁石材料である。但し、上記組成
式において、ＲはＹを含む希土類元素、即ちＹ、Ｌａ
、Ｃｅ ＸＰｒ １Ｎｄ 、Ｐｍ 、Ｓｍ 。That is, the first invention (1-a) R(AaFe + -
The second invention is a fluorine-containing alloy permanent magnet material represented by the compositional formula α) r-aXF, (1-a) R(AaF
It is a fluorine-containing alloy permanent magnet material represented by the composition formula e + -α-βCOβ)r-aXF. However, in the above compositional formula, R is a rare earth element containing Y, that is, Y, La
, Ce XPr 1Nd, Pm, Sm.
Ｅｕ 、Ｇｄ 、Ｔｂ 、Ｄｙ 、Ｈｏ 、Ｅｒ 、Ｔ
ｍ、Ｙｂ１Ｌｕから選ばれる１種または２種以上の組合
せであり、ＡはＢ、Ｃ，Ｎ、Ｓｉ 、Ｐから選ばれる１
種又は２種以上の組合せである。又×はに１Ｎａ 、
Ｌｉから選ばれる１種又は２種以上の組合せであり、か
つ０．０１≦α≦０．３．０．０１≦β≦０．５．４≦
Ｔ≦１６、Ｏ＜ａ≦０．０５である。Eu, Gd, Tb, Dy, Ho, Er, T
m, Yb1Lu, or a combination of two or more, and A is 1 selected from B, C, N, Si, and P.
species or a combination of two or more species. Also x hani 1Na,
One or a combination of two or more selected from Li, and 0.01≦α≦0.3.0.01≦β≦0.5.4≦
T≦16, O<a≦0.05.
作用
本発明の特徴は、Ｒ−Ｆｅ−Ａ系又はＲ−Ｆｅ−Ｃｏ−
Ａ系合金磁石材料Ｋ、ＫＦ、Ｎａ Ｆ、ＬｉＦから選ば
れる１種又は２種以上の弗化物（以下ＸＦという）を５
モル％以下添加することにある。ＸＦの添加により異方
性磁場、飽和磁化が改善されるとともＫ、キュリ一温度
が改良されて温度特性が向上し、より優れた磁石材料と
なり得る。Function The feature of the present invention is that R-Fe-A system or R-Fe-Co-
A-based alloy magnet material One or more fluorides (hereinafter referred to as XF) selected from K, KF, NaF, and LiF (hereinafter referred to as XF)
It is to be added in an amount of mol % or less. The addition of XF improves the anisotropic magnetic field and saturation magnetization, improves K and Curie temperature, improves temperature characteristics, and can become a more excellent magnetic material.
本発明の磁石材料は、各成分を高周波溶解、アーク溶解
等で溶解して得た溶湯を金型等に鋳込んだり、又溶解し
て得られた合金を粉砕し、粉末冶金法により磁場中で成
形、焼結したりして作成するもので、結晶質の合金であ
る。後者の製法においては、ＸＦの添加により焼結温度
が低下する利点もある。The magnet material of the present invention can be produced by melting each component by high-frequency melting, arc melting, etc., casting the molten metal into a mold, etc., or by pulverizing the alloy obtained by melting, and placing it in a magnetic field by powder metallurgy. It is made by molding and sintering, and is a crystalline alloy. The latter manufacturing method also has the advantage of lowering the sintering temperature by adding XF.
本発明において、ＸＦは少量でも効果があるが、添加量
を５モル％以下部らＯ＜ａ≦０．０５と限定したのは、
５モル％を越えると飽和磁化の大きさが低下し、残留磁
束密度の温度係数の改善がみられなくなるためである。In the present invention, XF is effective even in small amounts, but the reason why the amount added is limited to 5 mol% or less and O<a≦0.05 is because
This is because if it exceeds 5 mol %, the magnitude of saturation magnetization decreases and no improvement in the temperature coefficient of residual magnetic flux density is observed.
一方、組成式（１−ａ ） Ｒ（Ａａ Ｆｅ ＋ −ａ
） ｒ ・ａＸＦ、又ハ、（１ａ ） Ｒ（Ａ ａ Ｆ
ｅ ＋ −α−５ＣＯβ）ｒ−ａＸＦ中、Ａのモル比α
が０，０１より小さいと、異方性磁場及び保磁力が小さ
くなる。On the other hand, the composition formula (1-a) R(Aa Fe + -a
) r ・aXF, (1a) R(A a F
molar ratio α of A in e + -α-5COβ)r-aXF
When is smaller than 0.01, the anisotropic magnetic field and coercive force become small.
またαが０．３を越えると飽和磁化の大きさが低下する
。Moreover, when α exceeds 0.3, the magnitude of saturation magnetization decreases.
ｒの範囲を４≦Ｔ≦１６とするのは、４より小さくなる
と飽和磁化の強さが低下し、１６を越えると異方性１ｉ
ｉｉ場の大きざが低下するためである。The reason why the range of r is 4≦T≦16 is that when it becomes smaller than 4, the strength of saturation magnetization decreases, and when it exceeds 16, the anisotropy 1i
This is because the magnitude difference of the ii field decreases.
又第二の発明においては、ＣＯを添加することによりキ
ュリー湿度が上昇し、温度特性の改善に相乗効果として
効いてくるので好ましい。モル比が０．０１以上、特に
０．０５以上で良好な結果が得られる。βが０．５を越
えると飽和磁化の大きさが低下するため、βの範囲は０
．０１≦β≦０．５と限定した。Further, in the second invention, the addition of CO increases the Curie humidity, which has a synergistic effect on improving the temperature characteristics, which is preferable. Good results are obtained when the molar ratio is 0.01 or more, particularly 0.05 or more. When β exceeds 0.5, the magnitude of saturation magnetization decreases, so the range of β is 0.
．． It was limited to 01≦β≦0.5.
実施例
実施例１
Ｎｄ （Ｂ Ｏ，０７Ｆｅ Ｏ，５３） ｓ ９８
．５モル％とＫＦｏ、５モル％とからなる組成の合金を
、高周波炉を用い、アルゴン雰囲気中で溶製した。次い
でこの溶製合金をスタンプミルで粗粉砕し、ポットミル
で平均粒径３）ａ程度まで粉砕した。この混合粉末を１
０１（Ｑｅの磁場中で約１．５ｔ／（シの圧力をかけて
型成形し、得られた成形体をアルゴン雰囲気中、１０５
０℃で１時間焼結した。次いで室温まで急冷し、更に６
００℃で１時間熱処理を行って磁石を製造した。Examples Example 1 Nd (B O,07Fe O,53) s 98
．． An alloy having a composition of 5 mol % and 5 mol % of KFo was melted in an argon atmosphere using a high frequency furnace. Next, this melted alloy was coarsely ground using a stamp mill, and then ground to an average particle size of about 3)a using a pot mill. 1 of this mixed powder
The molded body was molded under a pressure of about 1.5 t/(shi) in a magnetic field of 01 (Qe), and the obtained molded body was molded in an argon atmosphere with a
Sintering was performed at 0°C for 1 hour. Then, it was rapidly cooled to room temperature, and further 6
A magnet was manufactured by performing heat treatment at 00° C. for 1 hour.
得られた磁石について異方性１１場、飽和磁化及び残留
磁束密度の温度係数を測定し、結果を表１に示した。The temperature coefficient of anisotropy 11 field, saturation magnetization, and residual magnetic flux density of the obtained magnet was measured, and the results are shown in Table 1.
実施例２〜７、比較例１〜３
表１の組成の合金磁石を実施例１と同様な方法で作成し
、特性を調べて表１に示した。Examples 2 to 7, Comparative Examples 1 to 3 Alloy magnets having the compositions shown in Table 1 were made in the same manner as in Example 1, and the characteristics were investigated and shown in Table 1.
表１より、ＸＦを添加したものは添加しないものに比べ
て温度係数が改善されており、併せて大きな異方性磁場
及び高い飽和磁化を有していることがわかる。From Table 1, it can be seen that the material to which XF is added has an improved temperature coefficient compared to the material to which it is not added, and also has a large anisotropic magnetic field and high saturation magnetization.
実施例８
Ｎｄ （Ｂ Ｏ，１２Ｆｅ ａ、ａ４Ｃｏ Ｑ、
０４ ） ｙ ９７．８モル％と、ＬｉＦ２，２モル
％とからなる組成の合金磁石を実施例１と同様にして作
成し、特性を表２に示した。Example 8 Nd (BO, 12Fe a, a4Co Q,
04) An alloy magnet having a composition of 97.8 mol% y and 2 mol% LiF was prepared in the same manner as in Example 1, and the properties are shown in Table 2.
実施例９、比較例４〜５
表２の組成の合金磁石を実施例８と同様な方法で作成し
、特性を調べて表２に示した。Example 9, Comparative Examples 4 to 5 Alloy magnets having the compositions shown in Table 2 were prepared in the same manner as in Example 8, and their properties were investigated and shown in Table 2.
発明の効果
以上の実施例からもわかるようＫ、ＸＦを添加した本発
明の合金系磁石材料は磁気特性面、温度特性面で顕著な
改善がなされ、極めて優れた高性能磁石材料である。Effects of the Invention As can be seen from the above examples, the alloy magnet material of the present invention to which K and XF are added has remarkable improvements in magnetic properties and temperature properties, and is an extremely excellent high-performance magnet material.
Claims (1)
ＸＦなる組成式で表わされ、上記組成式において、Ｒは
Ｙを含む希土類元素の１種または２種以上の組合せであ
り、ＡはＢ、Ｃ、Ｎ、Ｓｉ、Ｐから選ばれる１種又は２
種以上の組合せであり、又ＸはＫ、Ｎａ、Ｌｉから選ば
れる１種又は２種以上の組合せであり、かつ０．０１≦
α≦０．３、４≦ｒ≦１６、０＜ａ≦０．０５である含
弗素合金系永久磁石材料。 ２ （１−ａ）Ｒ（Ａ＿αＦｅ＿１＿−＿α＿−＿βＣ
ｏ＿β）＿ｒ・ａＸＦなる組成式で表わされ、上記組成
式において、ＲはＹを含む希土類元素の１種または２種
以上の組合せであり、ＡはＢ、Ｃ、Ｎ、Ｓｉ、Ｐから選
ばれる１種又は２種以上の組合せであり、又ＸはＫ、Ｎ
ａ、Ｌｉから選ばれる１種又は２種以上の組合せであり
、かつ０．０１≦α≦０．３、０．０１≦β≦０．５、
４≦ｒ≦１６、０＜ａ≦０．０５である含弗素合金系永
久磁石材料。[Claims] 1 (1-a) R(A_αFe_1_-_α)_r・a
It is represented by the composition formula XF, and in the above composition formula, R is one type or a combination of two or more rare earth elements including Y, and A is one type selected from B, C, N, Si, and P or 2
is a combination of two or more species, and X is one or a combination of two or more selected from K, Na, and Li, and 0.01≦
A fluorine-containing alloy permanent magnet material satisfying α≦0.3, 4≦r≦16, and 0<a≦0.05. 2 (1-a)R(A_αFe_1_-_α_-_βC
o_β)_r・aXF In the above composition formula, R is one or a combination of two or more rare earth elements including Y, and A is selected from B, C, N, Si, and P. one type or a combination of two or more types, and X is K, N
one or a combination of two or more selected from a, Li, and 0.01≦α≦0.3, 0.01≦β≦0.5,
A fluorine-containing alloy permanent magnet material satisfying 4≦r≦16 and 0<a≦0.05.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61029382A JPS62188746A (en) | 1986-02-13 | 1986-02-13 | Permanent magnet material made of alloy containing fluorine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61029382A JPS62188746A (en) | 1986-02-13 | 1986-02-13 | Permanent magnet material made of alloy containing fluorine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62188746A true JPS62188746A (en) | 1987-08-18 |
Family
ID=12274586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61029382A Pending JPS62188746A (en) | 1986-02-13 | 1986-02-13 | Permanent magnet material made of alloy containing fluorine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62188746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03188241A (en) * | 1989-12-15 | 1991-08-16 | Sumitomo Special Metals Co Ltd | Sintered permanent magnet material and its manufacture |
-
1986
- 1986-02-13 JP JP61029382A patent/JPS62188746A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03188241A (en) * | 1989-12-15 | 1991-08-16 | Sumitomo Special Metals Co Ltd | Sintered permanent magnet material and its manufacture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0531807B2 (en) | ||
| JPS6325904A (en) | Permanent magnet and manufacture of the same and compound for manufacture of the permanent magnet | |
| JPS60144909A (en) | Manufacture of permanent magnet material | |
| JPH03236202A (en) | Sintered permanent magnet | |
| JPS60144906A (en) | Permanent magnet material | |
| Burzo et al. | Magnetic properties of Nd2Fe14− x− yCoxAlyB alloys | |
| EP0386286B1 (en) | Rare earth iron-based permanent magnet | |
| JP3222482B2 (en) | Manufacturing method of permanent magnet | |
| JPS62136551A (en) | Permanent magnet material | |
| JPS61195954A (en) | Permanent magnet alloy | |
| US4954186A (en) | Rear earth-iron-boron permanent magnets containing aluminum | |
| JPS60144908A (en) | Permanent magnet material | |
| JPS62241304A (en) | Rare earth permanent magnet | |
| JPS60144907A (en) | Permanent magnet material | |
| JPH0146575B2 (en) | ||
| JPS62188746A (en) | Permanent magnet material made of alloy containing fluorine | |
| JPH0660367B2 (en) | Method of manufacturing permanent magnet material | |
| JPH0536495B2 (en) | ||
| JPS63128606A (en) | Permanent magnet | |
| JPS62188747A (en) | Permanent magnet material made of alloy containing fluorine | |
| JPS62158852A (en) | Permanent magnet material | |
| JP2002285276A (en) | R-t-b-c based sintered magnet and production method therefor | |
| JPS62281403A (en) | Permanent magnet | |
| JPS62188757A (en) | Fluorine-containing alloy-type permanent magnet material | |
| JPS62158854A (en) | Permanaent magnet material |