JPH0582442B2 - - Google Patents
Info
- Publication number
- JPH0582442B2 JPH0582442B2 JP26669985A JP26669985A JPH0582442B2 JP H0582442 B2 JPH0582442 B2 JP H0582442B2 JP 26669985 A JP26669985 A JP 26669985A JP 26669985 A JP26669985 A JP 26669985A JP H0582442 B2 JPH0582442 B2 JP H0582442B2
- Authority
- JP
- Japan
- Prior art keywords
- atomic
- less
- powder
- rare earth
- 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 - Fee Related
Links
- 239000000843 powder Substances 0.000 claims description 145
- 229910045601 alloy Inorganic materials 0.000 claims description 81
- 239000000956 alloy Substances 0.000 claims description 81
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 41
- 239000011575 calcium Substances 0.000 claims description 40
- 150000002910 rare earth metals Chemical class 0.000 claims description 37
- 239000002994 raw material Substances 0.000 claims description 36
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 34
- 230000009467 reduction Effects 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 229910052796 boron Inorganic materials 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 17
- 229910052791 calcium Inorganic materials 0.000 claims description 17
- 239000007795 chemical reaction product Substances 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 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 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 229910052779 Neodymium Inorganic materials 0.000 claims description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 12
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 10
- 229910052691 Erbium Inorganic materials 0.000 claims description 10
- 229910052689 Holmium Inorganic materials 0.000 claims description 10
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 10
- 229910052771 Terbium Inorganic materials 0.000 claims description 10
- 229910052775 Thulium Inorganic materials 0.000 claims description 10
- 239000011812 mixed powder Substances 0.000 claims description 10
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 9
- 239000001110 calcium chloride Substances 0.000 claims description 9
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- 239000000470 constituent Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 7
- CSDQQAQKBAQLLE-UHFFFAOYSA-N 4-(4-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine Chemical compound C1=CC(Cl)=CC=C1C1C(C=CS2)=C2CCN1 CSDQQAQKBAQLLE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052810 boron oxide Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 description 30
- 238000009792 diffusion process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 229910000640 Fe alloy Inorganic materials 0.000 description 8
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 7
- 235000011148 calcium chloride Nutrition 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000007858 starting material Substances 0.000 description 7
- 229910000521 B alloy Inorganic materials 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 229910052758 niobium Inorganic materials 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 229910000765 intermetallic Inorganic materials 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- -1 samarium-cobalt rare earth Chemical class 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000005347 demagnetization Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- GSOLWAFGMNOBSY-UHFFFAOYSA-N cobalt Chemical compound [Co][Co][Co][Co][Co][Co][Co][Co] GSOLWAFGMNOBSY-UHFFFAOYSA-N 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910020674 Co—B Inorganic materials 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 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
- 230000002950 deficient Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- MOWNZPNSYMGTMD-UHFFFAOYSA-N oxidoboron Chemical class O=[B] MOWNZPNSYMGTMD-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24879884 | 1984-11-27 | ||
| JP59-248798 | 1984-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61270313A JPS61270313A (ja) | 1986-11-29 |
| JPH0582442B2 true JPH0582442B2 (ko) | 1993-11-19 |
Family
ID=17183552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26669985A Granted JPS61270313A (ja) | 1984-11-27 | 1985-11-27 | 希土類合金紛末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61270313A (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8946718B2 (en) | 2002-04-09 | 2015-02-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor element and display device using the same |
| US9366930B2 (en) | 2002-05-17 | 2016-06-14 | Semiconductor Energy Laboratory Co., Ltd. | Display device with capacitor elements |
-
1985
- 1985-11-27 JP JP26669985A patent/JPS61270313A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8946718B2 (en) | 2002-04-09 | 2015-02-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor element and display device using the same |
| US8946717B2 (en) | 2002-04-09 | 2015-02-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor element and display device using the same |
| US9366930B2 (en) | 2002-05-17 | 2016-06-14 | Semiconductor Energy Laboratory Co., Ltd. | Display device with capacitor elements |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61270313A (ja) | 1986-11-29 |
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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 |
|
| LAPS | Cancellation because of no payment of annual fees |