PT97411A - Processo de modificacao das propriedades metalicas de um composto intermetalico e de fabrico de um magnete permanente - Google Patents

Processo de modificacao das propriedades metalicas de um composto intermetalico e de fabrico de um magnete permanente Download PDF

Info

Publication number: PT97411A
Authority: PT; Portugal
Prior art keywords: intermetallic compound; process according; compound; group; nitrogen
Prior art date: 1990-09-04

Application number

PT97411A

Other languages

English (en)

Portuguese (pt)

Inventor

John Michael David Coey

Hong Sun

Original Assignee

Provost F S C H And Und Trin Q

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.)

1990-09-04

Filing date

1991-04-18

Publication date

1992-01-31

1991-04-18 Application filed by Provost F S C H And Und Trin Q filed Critical Provost F S C H And Und Trin Q

1992-01-31 Publication of PT97411A publication Critical patent/PT97411A/pt

Links

238000000034 method Methods 0.000 title claims abstract description 42
230000008569 process Effects 0.000 title claims abstract description 40
150000001875 compounds Chemical class 0.000 title claims description 29
238000004519 manufacturing process Methods 0.000 title claims description 5
230000004048 modification Effects 0.000 title 1
238000012986 modification Methods 0.000 title 1
230000005291 magnetic effect Effects 0.000 claims abstract description 36
229910000765 intermetallic Inorganic materials 0.000 claims abstract description 31
239000000696 magnetic material Substances 0.000 claims abstract description 18
229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 18
230000000737 periodic effect Effects 0.000 claims abstract description 12
239000013078 crystal Substances 0.000 claims abstract description 8
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 7
229910052796 boron Inorganic materials 0.000 claims abstract description 7
229910052797 bismuth Inorganic materials 0.000 claims abstract description 4
229910052787 antimony Inorganic materials 0.000 claims abstract 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 74
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 57
229910052757 nitrogen Inorganic materials 0.000 claims description 37
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 24
238000010438 heat treatment Methods 0.000 claims description 20
229910052742 iron Inorganic materials 0.000 claims description 19
239000000843 powder Substances 0.000 claims description 16
239000007789 gas Substances 0.000 claims description 15
229910021529 ammonia Inorganic materials 0.000 claims description 12
229910052779 Neodymium Chemical group 0.000 claims description 11
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 11
150000003624 transition metals Chemical class 0.000 claims description 10
229910052772 Samarium Inorganic materials 0.000 claims description 9
QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical group [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 9
KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical group [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 9
229910052723 transition metal Inorganic materials 0.000 claims description 9
229910052751 metal Inorganic materials 0.000 claims description 7
239000002184 metal Substances 0.000 claims description 7
239000010936 titanium Substances 0.000 claims description 7
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
239000000203 mixture Substances 0.000 claims description 6
229910052727 yttrium Inorganic materials 0.000 claims description 6
VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 6
239000011701 zinc Substances 0.000 claims description 6
229910052684 Cerium Inorganic materials 0.000 claims description 5
229910052691 Erbium Inorganic materials 0.000 claims description 5
ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims description 5
238000006243 chemical reaction Methods 0.000 claims description 5
229910017052 cobalt Inorganic materials 0.000 claims description 5
239000010941 cobalt Substances 0.000 claims description 5
OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 4
229910052771 Terbium Inorganic materials 0.000 claims description 4
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
229910052782 aluminium Inorganic materials 0.000 claims description 4
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 4
239000002245 particle Substances 0.000 claims description 4
229910052710 silicon Inorganic materials 0.000 claims description 4
239000010703 silicon Substances 0.000 claims description 4
GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 4
229910052725 zinc Inorganic materials 0.000 claims description 4
229910052692 Dysprosium Inorganic materials 0.000 claims description 3
229910052689 Holmium Inorganic materials 0.000 claims description 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 3
KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims description 3
229910052746 lanthanum Inorganic materials 0.000 claims description 3
FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
-1 nitrile compound Chemical class 0.000 claims description 3
239000001301 oxygen Substances 0.000 claims description 3
229910052760 oxygen Inorganic materials 0.000 claims description 3
239000007787 solid Substances 0.000 claims description 3
229910052720 vanadium Inorganic materials 0.000 claims description 3
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical group [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims description 3
ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical group [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
229910052688 Gadolinium Inorganic materials 0.000 claims description 2
229910001122 Mischmetal Inorganic materials 0.000 claims description 2
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
229910052776 Thorium Inorganic materials 0.000 claims description 2
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
229910052785 arsenic Inorganic materials 0.000 claims description 2
229910052799 carbon Inorganic materials 0.000 claims description 2
229910052804 chromium Chemical group 0.000 claims description 2
239000011651 chromium Chemical group 0.000 claims description 2
229910052802 copper Inorganic materials 0.000 claims description 2
239000010949 copper Substances 0.000 claims description 2
238000000354 decomposition reaction Methods 0.000 claims description 2
UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 2
150000004678 hydrides Chemical class 0.000 claims description 2
229910052750 molybdenum Inorganic materials 0.000 claims description 2
239000011733 molybdenum Chemical group 0.000 claims description 2
229910052698 phosphorus Inorganic materials 0.000 claims description 2
238000002360 preparation method Methods 0.000 claims description 2
239000010453 quartz Substances 0.000 claims description 2
229920005989 resin Polymers 0.000 claims description 2
239000011347 resin Substances 0.000 claims description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
229910052719 titanium Inorganic materials 0.000 claims description 2
229910052726 zirconium Inorganic materials 0.000 claims description 2
229910052775 Thulium Inorganic materials 0.000 claims 2
206010073306 Exposure to radiation Diseases 0.000 claims 1
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
229910052769 Ytterbium Inorganic materials 0.000 claims 1
239000003795 chemical substances by application Substances 0.000 claims 1
238000000227 grinding Methods 0.000 claims 1
229910052744 lithium Inorganic materials 0.000 claims 1
NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims 1
239000000463 material Substances 0.000 abstract description 28
JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract description 3
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 1
239000000523 sample Substances 0.000 description 10
230000005415 magnetization Effects 0.000 description 9
238000002441 X-ray diffraction Methods 0.000 description 7
238000010348 incorporation Methods 0.000 description 6
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 6
230000002269 spontaneous effect Effects 0.000 description 6
241000308356 Tesia Species 0.000 description 5
239000007858 starting material Substances 0.000 description 5
IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 4
229910001873 dinitrogen Inorganic materials 0.000 description 4
230000000694 effects Effects 0.000 description 4
238000001228 spectrum Methods 0.000 description 4
229910052777 Praseodymium Inorganic materials 0.000 description 3
238000010521 absorption reaction Methods 0.000 description 3
229910045601 alloy Inorganic materials 0.000 description 3
239000000956 alloy Substances 0.000 description 3
125000004429 atom Chemical group 0.000 description 3
238000011161 development Methods 0.000 description 3
230000003993 interaction Effects 0.000 description 3
150000002826 nitrites Chemical class 0.000 description 3
PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 3
229910052765 Lutetium Inorganic materials 0.000 description 2
NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical compound [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
230000006872 improvement Effects 0.000 description 2
OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 2
238000005121 nitriding Methods 0.000 description 2
125000004433 nitrogen atom Chemical group N* 0.000 description 2
150000002910 rare earth metals Chemical class 0.000 description 2
229910052716 thallium Inorganic materials 0.000 description 2
BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 2
FBOUIAKEJMZPQG-AWNIVKPZSA-N (1E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol Chemical compound C1=NC=NN1/C(C(O)C(C)(C)C)=C/C1=CC=C(Cl)C=C1Cl FBOUIAKEJMZPQG-AWNIVKPZSA-N 0.000 description 1
240000000731 Fagus sylvatica Species 0.000 description 1
235000010099 Fagus sylvatica Nutrition 0.000 description 1
229910000640 Fe alloy Inorganic materials 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000000712 assembly Effects 0.000 description 1
150000001869 cobalt compounds Chemical class 0.000 description 1
229940125904 compound 1 Drugs 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000005315 distribution function Methods 0.000 description 1
230000005684 electric field Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000003822 epoxy resin Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
238000005339 levitation Methods 0.000 description 1
230000005389 magnetism Effects 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
238000002074 melt spinning Methods 0.000 description 1
229910052987 metal hydride Inorganic materials 0.000 description 1
239000007769 metal material Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000003801 milling Methods 0.000 description 1
229910052758 niobium Inorganic materials 0.000 description 1
239000010955 niobium Substances 0.000 description 1
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
150000004767 nitrides Chemical class 0.000 description 1
238000002429 nitrogen sorption measurement Methods 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
229920000647 polyepoxide Polymers 0.000 description 1
238000000634 powder X-ray diffraction Methods 0.000 description 1
238000011112 process operation Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
230000005855 radiation Effects 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
238000011160 research Methods 0.000 description 1
229910000679 solder Inorganic materials 0.000 description 1
238000009718 spray deposition Methods 0.000 description 1
238000000547 structure data Methods 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
230000001629 suppression Effects 0.000 description 1
239000010409 thin film Substances 0.000 description 1

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
- 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
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- 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
- 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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Hard Magnetic Materials (AREA)
Powder Metallurgy (AREA)

PT97411A 1990-09-04 1991-04-18 Processo de modificacao das propriedades metalicas de um composto intermetalico e de fabrico de um magnete permanente PT97411A (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
IE320190		1990-09-04
IE67191		1991-02-28
IE135990A IE76721B1 (en)	1990-09-04	1991-04-18	Rare-earth based magnetic materials production process and use

Publications (1)

Publication Number	Publication Date
PT97411A true PT97411A (pt)	1992-01-31

Family

ID=27270319

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT97411A PT97411A (pt)	1990-09-04	1991-04-18	Processo de modificacao das propriedades metalicas de um composto intermetalico e de fabrico de um magnete permanente

Country Status (7)

Country	Link
EP (1)	EP0453270B1 (de)
JP (1)	JPH06349612A (de)
AT (1)	ATE136680T1 (de)
CA (1)	CA2040686A1 (de)
DE (1)	DE69118577T2 (de)
IE (1)	IE76721B1 (de)
PT (1)	PT97411A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06509211A (ja) *	1990-06-08	1994-10-13	エスピーエス・テクノロジーズ・インコーポレーテッド	改良磁性材料及びその製造方法
DE4023575A1 (de) *	1990-07-25	1992-01-30	Siemens Ag	Verfahren zur herstellung von magnetmaterial auf basis des stromsystems sm-fe-n
US5288339A (en) *	1990-07-25	1994-02-22	Siemens Aktiengesellschaft	Process for the production of magnetic material based on the Sm-Fe-N system of elements
DE4116857A1 (de) *	1991-05-23	1992-11-26	Siemens Ag	Magnetmaterial mit thmn(pfeil abwaerts)1(pfeil abwaerts)(pfeil abwaerts)2(pfeil abwaerts)-kristallstruktur und verfahren zu dessen herstellung
DE4135122A1 (de) *	1991-10-24	1993-04-29	Vacuumschmelze Gmbh	Verfahren zur herstellung eines n-haltigen dauermagneten, wie sm2fe17n durch zusatz einer festen, n-haltigen verbindung
GB9217760D0 (en) *	1992-08-21	1992-10-07	Martinex R & D Inc	Permanent manget material containing a rare-earth element,iron,nitrogen & carbon
DE4237346C1 (de) *	1992-11-05	1993-12-02	Goldschmidt Ag Th	Verfahren zur Herstellung von Legierungen der Seltenen Erden des Typs SE¶2¶Fe¶1¶¶7¶¶-¶¶x¶M¶x¶N¶y¶
US5403407A (en) *	1993-04-08	1995-04-04	University Of Delaware	Permanent magnets made from iron alloys
JP3304726B2 (ja) *	1995-11-28	2002-07-22	住友金属鉱山株式会社	希土類−鉄−窒素系磁石合金
CN100437841C (zh)	2006-09-19	2008-11-26	北京大学	各向异性稀土永磁材料及其磁粉和磁体的制造方法
US8145766B2 (en)	2007-08-08	2012-03-27	Research In Motion Limited	Method for pre-fetching data chunks of an email attachment on a portable electronic device
JP5055345B2 (ja) *	2009-11-30	2012-10-24	株式会社日立製作所	強磁性化合物磁石
JP6248689B2 (ja) *	2014-02-20	2017-12-20	日立金属株式会社	強磁性合金およびその製造方法
US10062482B2 (en)	2015-08-25	2018-08-28	GM Global Technology Operations LLC	Rapid consolidation method for preparing bulk metastable iron-rich materials

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4402770A (en) *	1981-10-23	1983-09-06	The United States Of America As Represented By The Secretary Of The Navy	Hard magnetic alloys of a transition metal and lanthanide
JPS60131949A (ja) *	1983-12-19	1985-07-13	Hitachi Metals Ltd	鉄−希土類−窒素系永久磁石
DE4025277A1 (de) *	1990-08-09	1992-02-13	Siemens Ag	Verfahren zur herstellung eines anisotropen magnetmaterials auf basis des stoffsystems sm-fe-n

1991
- 1991-04-17 AT AT91303442T patent/ATE136680T1/de active
- 1991-04-17 EP EP91303442A patent/EP0453270B1/de not_active Expired - Lifetime
- 1991-04-17 DE DE69118577T patent/DE69118577T2/de not_active Expired - Fee Related
- 1991-04-17 CA CA002040686A patent/CA2040686A1/en not_active Abandoned
- 1991-04-18 IE IE135990A patent/IE76721B1/en not_active IP Right Cessation
- 1991-04-18 PT PT97411A patent/PT97411A/pt not_active Application Discontinuation
- 1991-04-18 JP JP3086632A patent/JPH06349612A/ja active Pending

Also Published As

Publication number	Publication date
EP0453270A2 (de)	1991-10-23
EP0453270A3 (de)	1991-11-27
DE69118577T2 (de)	1996-11-14
JPH06349612A (ja)	1994-12-22
EP0453270B1 (de)	1996-04-10
ATE136680T1 (de)	1996-04-15
CA2040686A1 (en)	1991-10-19
DE69118577D1 (de)	1996-05-15
IE901359A1 (en)	1991-11-06
IE76721B1 (en)	1997-11-05

Legal Events

Date	Code	Title	Description
1992-01-31	BB1A	Laying open of patent application	Effective date: 19910912
1998-11-30	FC3A	Refusal	Effective date: 19980814

Publication	Publication Date	Title
Klein et al.	1975	Magnetocrystalline anisotropy of light rare-earth cobalt compounds
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Marasinghe et al.	1994	Neutron‐diffraction and Mössbauer effect study of the Tb2Fe17− x Al x solid solutions
Coey et al.	1987	Hydrogen dependence of the intrinsic magnetic properties of R2Fe14B
Malik et al.	1984	Structural and magnetic investigations of some new boron containing rare earth intermetallic compounds
Woodhams et al.	1972	Chalcogenides of the transition elements. IX. Transferred hyperfine field at 57Fe in the pyrite Co0. 98Fe0. 02S2
Cheng et al.	1994	Structure and magnetic anisotropy of Sm2Fe17− x Al x C (x= 2–8) compounds prepared by arc melting
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Piquer et al.	1998	Magnetic properties of the new compounds (, Dy, Ho, Er and Lu)
Pedziwiatr et al.	1983	Magnetic and structural properties of Y6− xErxFe23 alloys and their hydrides
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Jurczyk	1983	Magnetic properties of substituted Pr2 (Co1− xMx) 17 compounds (M= Fe, Mn, and Cr)