CN110428947B - 一种稀土永磁材料及其原料组合物、制备方法和应用 - Google Patents
一种稀土永磁材料及其原料组合物、制备方法和应用 Download PDFInfo
- Publication number
- CN110428947B CN110428947B CN201910701203.6A CN201910701203A CN110428947B CN 110428947 B CN110428947 B CN 110428947B CN 201910701203 A CN201910701203 A CN 201910701203A CN 110428947 B CN110428947 B CN 110428947B
- Authority
- CN
- China
- Prior art keywords
- series permanent
- permanent magnetic
- magnetic material
- content
- percentage
- 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.)
- Active
Links
- 239000000696 magnetic material Substances 0.000 title claims abstract description 90
- 239000000203 mixture Substances 0.000 title claims abstract description 51
- 239000002994 raw material Substances 0.000 title claims abstract description 51
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 34
- 150000002910 rare earth metals Chemical class 0.000 title abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 66
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 23
- 238000005245 sintering Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000005324 grain boundary diffusion Methods 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 10
- 238000003723 Smelting Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 101100065878 Caenorhabditis elegans sec-10 gene Proteins 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 4
- 238000001704 evaporation Methods 0.000 claims 1
- 238000007731 hot pressing Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 239000012071 phase Substances 0.000 description 29
- 229910052802 copper Inorganic materials 0.000 description 15
- 229910052719 titanium Inorganic materials 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 229910052771 Terbium Inorganic materials 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 229910052779 Neodymium Inorganic materials 0.000 description 7
- 238000010298 pulverizing process Methods 0.000 description 6
- 229910052692 Dysprosium Inorganic materials 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000011812 mixed powder Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 238000010902 jet-milling Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052782 aluminium 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
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/003—Making ferrous alloys making amorphous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0573—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes obtained by reduction or by hydrogen decrepitation or embrittlement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/044—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/35—Iron
- B22F2301/355—Rare Earth - Fe intermetallic alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
(at%) | Nd | Tb | Fe | Co | Cu | Ti | B | 相成分 |
点1 | 11.4 | 0.2 | 80.6 | 1.03 | 0.06 | 0.02 | 5.90 | R<sub>2</sub>T<sub>14</sub>B |
点2 | 18.0 | 3.2 | 73.2 | 0.98 | 1.48 | 2.72 | 0.33 | 高Cu高Ti相 |
Claims (13)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910701203.6A CN110428947B (zh) | 2019-07-31 | 2019-07-31 | 一种稀土永磁材料及其原料组合物、制备方法和应用 |
JP2021552778A JP7253069B2 (ja) | 2019-07-31 | 2020-07-22 | 希土類永久磁石材料及びその原料組成物、製造方法、並びに応用 |
PCT/CN2020/103430 WO2021017967A1 (zh) | 2019-07-31 | 2020-07-22 | 一种稀土永磁材料及其原料组合物、制备方法和应用 |
EP20846773.8A EP3940720A4 (en) | 2019-07-31 | 2020-07-22 | RARE EARTH PERMANENT MAGNETIC MATERIAL AND RAW MATERIAL COMPOSITION, PROCESS FOR PRODUCTION THEREOF AND USE |
US17/600,102 US20220165462A1 (en) | 2019-07-31 | 2020-07-22 | Rare earth permanent magnet material and raw material composition,preparation method therefor and use thereof |
KR1020217037138A KR102527123B1 (ko) | 2019-07-31 | 2020-07-22 | 희토류 영구자석 재료 및 그 원료조성물, 제조방법과 응용 |
TW109125073A TWI727865B (zh) | 2019-07-31 | 2020-07-24 | 稀土永磁材料及其原料組合物、製備方法和應用 |
JP2023012515A JP2023061988A (ja) | 2019-07-31 | 2023-01-31 | 希土類永久磁石材料及びその原料組成物、製造方法、並びに応用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910701203.6A CN110428947B (zh) | 2019-07-31 | 2019-07-31 | 一种稀土永磁材料及其原料组合物、制备方法和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110428947A CN110428947A (zh) | 2019-11-08 |
CN110428947B true CN110428947B (zh) | 2020-09-29 |
Family
ID=68411757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910701203.6A Active CN110428947B (zh) | 2019-07-31 | 2019-07-31 | 一种稀土永磁材料及其原料组合物、制备方法和应用 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220165462A1 (zh) |
EP (1) | EP3940720A4 (zh) |
JP (2) | JP7253069B2 (zh) |
KR (1) | KR102527123B1 (zh) |
CN (1) | CN110428947B (zh) |
TW (1) | TWI727865B (zh) |
WO (1) | WO2021017967A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110428947B (zh) * | 2019-07-31 | 2020-09-29 | 厦门钨业股份有限公司 | 一种稀土永磁材料及其原料组合物、制备方法和应用 |
CN110853855B (zh) * | 2019-11-21 | 2021-08-27 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料及其制备方法和应用 |
CN110993232B (zh) * | 2019-12-04 | 2021-03-26 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料、制备方法和应用 |
CN111048273B (zh) * | 2019-12-31 | 2021-06-04 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
CN111210962B (zh) * | 2020-01-31 | 2021-05-07 | 厦门钨业股份有限公司 | 一种含SmFeN或SmFeC的烧结钕铁硼及其制备方法 |
US20230282397A1 (en) * | 2022-03-07 | 2023-09-07 | Hrl Laboratories, Llc | Thermally stable, cladded permanent magnets, and compositions and methods for making the same |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08104945A (ja) * | 1994-05-30 | 1996-04-23 | Nisshin Steel Co Ltd | 耐食性に優れた深絞り用冷延鋼板及びその製造方法 |
CN101266857A (zh) * | 2007-12-24 | 2008-09-17 | 中国石油大学(华东) | 纳米钛粉改性提高烧结钕铁硼矫顽力和工作温度方法 |
CN102361371A (zh) * | 2011-11-04 | 2012-02-22 | 无锡天宝电机有限公司 | 一种高速电机用钕铁硼磁体的制备方法 |
CN102447315A (zh) * | 2011-11-04 | 2012-05-09 | 无锡天宝电机有限公司 | 一种高速电机用钕铁硼磁体 |
CN102456458A (zh) * | 2010-10-15 | 2012-05-16 | 中国科学院宁波材料技术与工程研究所 | 高耐蚀性烧结钕铁硼磁体及其制备方法 |
CN105513736A (zh) * | 2016-01-08 | 2016-04-20 | 宁波宏垒磁业有限公司 | 一种烧结钕铁硼磁体 |
CN109935432A (zh) * | 2017-12-05 | 2019-06-25 | Tdk株式会社 | R-t-b系永久磁铁 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5437741A (en) * | 1990-10-09 | 1995-08-01 | Kawasaki Steel Corporation | Corrosion-resistant rare earth metal-transition metal-boron permanent magnets |
DE19541948A1 (de) * | 1995-11-10 | 1997-05-15 | Schramberg Magnetfab | Magnetmaterial und Dauermagnet des NdFeB-Typs |
JP2005123974A (ja) | 2003-10-17 | 2005-05-12 | Kyodo Printing Co Ltd | 電子透かし検出システム及び電子透かし検出方法並びに情報提供システム及び情報提供方法 |
JPWO2005123974A1 (ja) * | 2004-06-22 | 2008-04-10 | 信越化学工業株式会社 | R−Fe−B系希土類永久磁石材料 |
CN103805827B (zh) * | 2014-01-16 | 2016-03-09 | 宁波金科磁业有限公司 | 纳米非晶低钕复相钕铁硼的制作方法 |
US20170018342A1 (en) * | 2014-02-28 | 2017-01-19 | Hitachi Metals, Ltd. | R-t-b based sintered magnet and method for producing same |
CN104064346B (zh) * | 2014-05-30 | 2016-08-17 | 宁波同创强磁材料有限公司 | 一种钕铁硼磁体及其制备方法 |
CN106160849B (zh) | 2015-04-15 | 2018-12-28 | 富士通株式会社 | 功率估计装置、频谱特征监测装置和光接收机 |
CN107710351B (zh) * | 2015-06-25 | 2019-10-25 | 日立金属株式会社 | R-t-b系烧结磁体及其制造方法 |
US11557411B2 (en) * | 2016-01-28 | 2023-01-17 | Noveon Magnetics Inc. | Grain boundary engineering of sintered magnetic alloys and the compositions derived therefrom |
CN105655076B (zh) * | 2016-04-06 | 2017-10-24 | 湖北汽车工业学院 | 驱动电机用多主相高矫顽力钕铁硼永磁材料及其制备方法 |
CN106205924B (zh) * | 2016-07-14 | 2019-09-20 | 烟台正海磁性材料股份有限公司 | 一种高性能钕铁硼磁体的制备方法 |
CN108831650B (zh) * | 2018-06-21 | 2020-10-23 | 宁波可可磁业股份有限公司 | 一种钕铁硼磁体及其制备方法 |
CN109585111A (zh) * | 2018-11-19 | 2019-04-05 | 浙江东阳东磁稀土有限公司 | 一种无镝铽高性能永磁体的制备方法 |
CN110428947B (zh) * | 2019-07-31 | 2020-09-29 | 厦门钨业股份有限公司 | 一种稀土永磁材料及其原料组合物、制备方法和应用 |
CN110517838A (zh) * | 2019-08-16 | 2019-11-29 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料及其原料组合物、制备方法和应用 |
CN111326306B (zh) * | 2020-02-29 | 2021-08-27 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料及其制备方法和应用 |
-
2019
- 2019-07-31 CN CN201910701203.6A patent/CN110428947B/zh active Active
-
2020
- 2020-07-22 JP JP2021552778A patent/JP7253069B2/ja active Active
- 2020-07-22 EP EP20846773.8A patent/EP3940720A4/en active Pending
- 2020-07-22 US US17/600,102 patent/US20220165462A1/en active Pending
- 2020-07-22 KR KR1020217037138A patent/KR102527123B1/ko active IP Right Grant
- 2020-07-22 WO PCT/CN2020/103430 patent/WO2021017967A1/zh unknown
- 2020-07-24 TW TW109125073A patent/TWI727865B/zh active
-
2023
- 2023-01-31 JP JP2023012515A patent/JP2023061988A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08104945A (ja) * | 1994-05-30 | 1996-04-23 | Nisshin Steel Co Ltd | 耐食性に優れた深絞り用冷延鋼板及びその製造方法 |
CN101266857A (zh) * | 2007-12-24 | 2008-09-17 | 中国石油大学(华东) | 纳米钛粉改性提高烧结钕铁硼矫顽力和工作温度方法 |
CN102456458A (zh) * | 2010-10-15 | 2012-05-16 | 中国科学院宁波材料技术与工程研究所 | 高耐蚀性烧结钕铁硼磁体及其制备方法 |
CN102361371A (zh) * | 2011-11-04 | 2012-02-22 | 无锡天宝电机有限公司 | 一种高速电机用钕铁硼磁体的制备方法 |
CN102447315A (zh) * | 2011-11-04 | 2012-05-09 | 无锡天宝电机有限公司 | 一种高速电机用钕铁硼磁体 |
CN105513736A (zh) * | 2016-01-08 | 2016-04-20 | 宁波宏垒磁业有限公司 | 一种烧结钕铁硼磁体 |
CN109935432A (zh) * | 2017-12-05 | 2019-06-25 | Tdk株式会社 | R-t-b系永久磁铁 |
Also Published As
Publication number | Publication date |
---|---|
US20220165462A1 (en) | 2022-05-26 |
KR20210151950A (ko) | 2021-12-14 |
TW202106896A (zh) | 2021-02-16 |
TWI727865B (zh) | 2021-05-11 |
CN110428947A (zh) | 2019-11-08 |
JP2023061988A (ja) | 2023-05-02 |
KR102527123B1 (ko) | 2023-04-27 |
JP7253069B2 (ja) | 2023-04-05 |
JP2022538952A (ja) | 2022-09-07 |
EP3940720A1 (en) | 2022-01-19 |
WO2021017967A1 (zh) | 2021-02-04 |
EP3940720A4 (en) | 2022-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110428947B (zh) | 一种稀土永磁材料及其原料组合物、制备方法和应用 | |
CN110828089B (zh) | 钕铁硼磁体材料、原料组合物及制备方法和应用 | |
CN110853855B (zh) | 一种r-t-b系永磁材料及其制备方法和应用 | |
CN110571007B (zh) | 一种稀土永磁材料、原料组合物、制备方法、应用、电机 | |
EP4016559B1 (en) | Neodymium-iron-boron magnet material, raw material composition, preparation method therefor and use thereof | |
JP2021516870A (ja) | 低B含有R−Fe−B系焼結磁石及び製造方法 | |
CN110993232B (zh) | 一种r-t-b系永磁材料、制备方法和应用 | |
KR102589802B1 (ko) | 네오디뮴철붕소 자성체재료, 원료조성물과 제조방법 및 응용 | |
TWI730930B (zh) | R-t-b系永磁材料、原料組合物、製備方法、應用 | |
CN111326306B (zh) | 一种r-t-b系永磁材料及其制备方法和应用 | |
CN111243812B (zh) | 一种r-t-b系永磁材料及其制备方法和应用 | |
TWI742969B (zh) | R-t-b系永磁材料、原料組合物、製備方法、應用 | |
CN111091945B (zh) | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20191108 Assignee: Xiamen usto Technology Co.,Ltd. Assignor: XIAMEN TUNGSTEN Co.,Ltd. Contract record no.: X2022980004564 Denomination of invention: Rare earth permanent magnet material and its raw material composition, preparation method and Application Granted publication date: 20200929 License type: Common License Record date: 20220421 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220623 Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Address before: 361000 Ke Gang, Haicang District, Fujian, Xiamen Patentee before: XIAMEN TUNGSTEN Co.,Ltd. Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: Fujian Jinlong Rare Earth Co.,Ltd. Address before: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |