BR112017024247A2 - ?ímã permanente artificial e processo para produção do ímã permanente artificial? - Google Patents
?ímã permanente artificial e processo para produção do ímã permanente artificial?Info
- Publication number
- BR112017024247A2 BR112017024247A2 BR112017024247A BR112017024247A BR112017024247A2 BR 112017024247 A2 BR112017024247 A2 BR 112017024247A2 BR 112017024247 A BR112017024247 A BR 112017024247A BR 112017024247 A BR112017024247 A BR 112017024247A BR 112017024247 A2 BR112017024247 A2 BR 112017024247A2
- Authority
- BR
- Brazil
- Prior art keywords
- powder
- particle size
- average particle
- main phase
- permanent magnet
- Prior art date
Links
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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
-
- 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
- H01F41/0273—Imparting anisotropy
-
- 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
- B22F2304/00—Physical aspects of the powder
- B22F2304/10—Micron size particles, i.e. above 1 micrometer up to 500 micrometer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
em um processo para a produção de um ímã permanente artificial são produzidos, em uma etapa de produção de pó, um pó da fase principal, que apresenta um composto de terras raras - metal de transição com propriedades magnéticas permanentes, com um primeiro tamanho médio de partículas, e um pó anisotrópico com um campo de força anisotrópico mais elevado do que o pó da fase principal com um segundo tamanho médio de partículas, sendo que o segundo tamanho médio de partículas é menor do que o primeiro tamanho médio de partículas. em uma etapa seguinte de produção de pó, o pó da fase principal e o pó anisotrópico são misturados um com o outro para formar uma mistura de pó e, em uma etapa de tratamento térmico seguinte, essa mistura em pó é sinterizada com o pó da fase principal com o primeiro tamanho médio de partícula e com o pó anisotrópico com o segundo tamanho médio de partículas para formar um ímã permanente artificial (5). o pó da fase principal contém, de preferência, um composto se2(fe,x)14b, sendo que os elementos de terras raras são designados por se, por fe é designado ferro, por b boro e por x é designado um elemento químico qualquer, inclusive ferro ou quaisquer outros elementos químicos. o tamanho médio das partículas do pó da fase principal de maneira vantajosa é mais de 50 % maior do que o segundo tamanho médio das partículas, de preferência mais do que 100 % maior do que o segundo tamanho médio das partículas do pó anisotrópico.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015107486.9 | 2015-05-12 | ||
DE102015107486.9A DE102015107486A1 (de) | 2015-05-12 | 2015-05-12 | Künstlicher Dauermagnet und Verfahren zur Herstellung des künstlichen Dauermagneten |
PCT/EP2016/060633 WO2016180912A1 (de) | 2015-05-12 | 2016-05-12 | Künstlicher dauermagnet und verfahren zur herstellung des künstlichen dauermagneten |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112017024247A2 true BR112017024247A2 (pt) | 2018-07-24 |
BR112017024247B1 BR112017024247B1 (pt) | 2022-08-23 |
Family
ID=56096607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017024247-8A BR112017024247B1 (pt) | 2015-05-12 | 2016-05-12 | Ímã permanente artificial e processo para produção do ímã permanente artificial |
Country Status (6)
Country | Link |
---|---|
US (1) | US11087907B2 (pt) |
EP (1) | EP3295463A1 (pt) |
CN (1) | CN107851497B (pt) |
BR (1) | BR112017024247B1 (pt) |
DE (1) | DE102015107486A1 (pt) |
WO (1) | WO2016180912A1 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3703086B1 (en) * | 2019-02-28 | 2023-02-15 | ABB Schweiz AG | Production method of self-magnetised net-shape permanent magnets by additive manufacturing |
US11637636B2 (en) | 2019-05-31 | 2023-04-25 | Nec Corporation | Receiving optical system control device and receiving optical system control method |
KR20210125316A (ko) | 2020-04-08 | 2021-10-18 | 현대자동차주식회사 | 희토류 영구자석 및 그 제조방법 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3092672B2 (ja) * | 1991-01-30 | 2000-09-25 | 三菱マテリアル株式会社 | 希土類−Fe−Co−B系異方性磁石 |
US5387291A (en) * | 1992-03-19 | 1995-02-07 | Sumitomo Special Metals Co., Ltd. | Process for producing alloy powder material for R-Fe-B permanent magnets and alloy powder for adjusting the composition therefor |
US7390369B2 (en) * | 2003-04-22 | 2008-06-24 | Neomax Co., Ltd. | Method for producing rare earth based alloy powder and method for producing rare earth based sintered magnet |
US7357880B2 (en) * | 2003-10-10 | 2008-04-15 | Aichi Steel Corporation | Composite rare-earth anisotropic bonded magnet, composite rare-earth anisotropic bonded magnet compound, and methods for their production |
US20060005898A1 (en) * | 2004-06-30 | 2006-01-12 | Shiqiang Liu | Anisotropic nanocomposite rare earth permanent magnets and method of making |
US8123832B2 (en) * | 2005-03-14 | 2012-02-28 | Tdk Corporation | R-T-B system sintered magnet |
US9082538B2 (en) * | 2008-12-01 | 2015-07-14 | Zhejiang University | Sintered Nd—Fe—B permanent magnet with high coercivity for high temperature applications |
JP5267800B2 (ja) * | 2009-02-27 | 2013-08-21 | ミネベア株式会社 | 自己修復性希土類−鉄系磁石 |
CN103093911B (zh) * | 2013-01-25 | 2016-08-10 | 江苏东瑞磁材科技有限公司 | 一种烧结稀土永磁体的粉末 |
DE102014103210B4 (de) * | 2013-03-15 | 2020-03-19 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Herstellen von nd-fe-b-magneten unter verwendung von heisspressen mit verringertem dysprosium oder terbium |
US10186374B2 (en) * | 2013-03-15 | 2019-01-22 | GM Global Technology Operations LLC | Manufacturing Nd—Fe—B magnets using hot pressing with reduced dysprosium or terbium |
CN104752013A (zh) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | 一种稀土永磁材料及其制备方法 |
CN103996522B (zh) * | 2014-05-11 | 2016-06-15 | 沈阳中北通磁科技股份有限公司 | 一种含Ce的钕铁硼稀土永磁体的制造方法 |
-
2015
- 2015-05-12 DE DE102015107486.9A patent/DE102015107486A1/de not_active Withdrawn
-
2016
- 2016-05-12 EP EP16726285.6A patent/EP3295463A1/de active Pending
- 2016-05-12 BR BR112017024247-8A patent/BR112017024247B1/pt active IP Right Grant
- 2016-05-12 WO PCT/EP2016/060633 patent/WO2016180912A1/de active Application Filing
- 2016-05-12 US US15/572,060 patent/US11087907B2/en active Active
- 2016-05-12 CN CN201680040956.1A patent/CN107851497B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN107851497A (zh) | 2018-03-27 |
EP3295463A1 (de) | 2018-03-21 |
CN107851497B (zh) | 2020-06-19 |
BR112017024247B1 (pt) | 2022-08-23 |
DE102015107486A1 (de) | 2016-11-17 |
US20180211749A1 (en) | 2018-07-26 |
US11087907B2 (en) | 2021-08-10 |
WO2016180912A1 (de) | 2016-11-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/05/2016, OBSERVADAS AS CONDICOES LEGAIS |