JPH0524975B2 - - Google Patents
Info
- Publication number
- JPH0524975B2 JPH0524975B2 JP60045746A JP4574685A JPH0524975B2 JP H0524975 B2 JPH0524975 B2 JP H0524975B2 JP 60045746 A JP60045746 A JP 60045746A JP 4574685 A JP4574685 A JP 4574685A JP H0524975 B2 JPH0524975 B2 JP H0524975B2
- Authority
- JP
- Japan
- Prior art keywords
- atomic
- less
- alloy powder
- powder
- 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.)
- Expired - Lifetime
Links
- 239000000843 powder Substances 0.000 claims description 92
- 239000000956 alloy Substances 0.000 claims description 72
- 229910045601 alloy Inorganic materials 0.000 claims description 71
- 238000000034 method Methods 0.000 claims description 25
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 14
- 229910052796 boron Inorganic materials 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 239000011812 mixed powder Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 42
- 239000011575 calcium Substances 0.000 description 22
- 238000006722 reduction reaction Methods 0.000 description 15
- 239000000654 additive Substances 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 229910052779 Neodymium Inorganic materials 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 238000010298 pulverizing process Methods 0.000 description 7
- 229910052777 Praseodymium Inorganic materials 0.000 description 6
- 230000032683 aging Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000004907 flux Effects 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052772 Samarium Inorganic materials 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052692 Dysprosium Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910000765 intermetallic Inorganic materials 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- -1 rare earth fluorides Chemical class 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910001047 Hard ferrite Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 229910000828 alnico Inorganic materials 0.000 description 2
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000722 Didymium Inorganic materials 0.000 description 1
- 241000224487 Didymium Species 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60045746A JPS61207545A (ja) | 1985-03-09 | 1985-03-09 | 永久磁石材料の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60045746A JPS61207545A (ja) | 1985-03-09 | 1985-03-09 | 永久磁石材料の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61207545A JPS61207545A (ja) | 1986-09-13 |
| JPH0524975B2 true JPH0524975B2 (enrdf_load_html_response) | 1993-04-09 |
Family
ID=12727876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60045746A Granted JPS61207545A (ja) | 1985-03-09 | 1985-03-09 | 永久磁石材料の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61207545A (enrdf_load_html_response) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61207546A (ja) * | 1985-03-12 | 1986-09-13 | Tohoku Metal Ind Ltd | 希土類磁石の製造方法 |
| JPH0621324B2 (ja) * | 1986-10-04 | 1994-03-23 | 信越化学工業株式会社 | 希土類永久磁石合金用組成物 |
| JP2663626B2 (ja) * | 1989-05-12 | 1997-10-15 | 三菱マテリアル株式会社 | 耐食性および磁気特性に優れた希土類―Ｂ―Ｆｅ系焼結磁石 |
| JP4534553B2 (ja) * | 2004-03-30 | 2010-09-01 | Ｔｄｋ株式会社 | Ｒ−ｔ−ｂ系焼結磁石及びその製造方法 |
| JP5874534B2 (ja) * | 2012-05-23 | 2016-03-02 | 日亜化学工業株式会社 | 希土類―鉄―窒素系磁性材料およびその製造方法 |
-
1985
- 1985-03-09 JP JP60045746A patent/JPS61207545A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61207545A (ja) | 1986-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |