CN114678202A - 一种钕铁硼磁体晶界扩散方法 - Google Patents
一种钕铁硼磁体晶界扩散方法 Download PDFInfo
- Publication number
- CN114678202A CN114678202A CN202210318946.7A CN202210318946A CN114678202A CN 114678202 A CN114678202 A CN 114678202A CN 202210318946 A CN202210318946 A CN 202210318946A CN 114678202 A CN114678202 A CN 114678202A
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- China
- Prior art keywords
- rare earth
- earth element
- grain boundary
- diffusion
- iron boron
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210318946.7A CN114678202A (zh) | 2022-03-29 | 2022-03-29 | 一种钕铁硼磁体晶界扩散方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210318946.7A CN114678202A (zh) | 2022-03-29 | 2022-03-29 | 一种钕铁硼磁体晶界扩散方法 |
Publications (1)
Publication Number | Publication Date |
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CN114678202A true CN114678202A (zh) | 2022-06-28 |
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ID=82076700
Family Applications (1)
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CN202210318946.7A Pending CN114678202A (zh) | 2022-03-29 | 2022-03-29 | 一种钕铁硼磁体晶界扩散方法 |
Country Status (1)
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CN (1) | CN114678202A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115116734A (zh) * | 2022-07-21 | 2022-09-27 | 宁波松科磁材有限公司 | 一种改善晶界扩散制备高性能钕铁硼永磁材料的方法 |
-
2022
- 2022-03-29 CN CN202210318946.7A patent/CN114678202A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115116734A (zh) * | 2022-07-21 | 2022-09-27 | 宁波松科磁材有限公司 | 一种改善晶界扩散制备高性能钕铁硼永磁材料的方法 |
CN115116734B (zh) * | 2022-07-21 | 2024-02-02 | 宁波松科磁材有限公司 | 一种改善晶界扩散制备高性能钕铁硼永磁材料的方法 |
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Effective date of registration: 20230522 Address after: Renhe Town Songjiazhuang village, Rongcheng City, Weihai City, Shandong Province 264307 Applicant after: Youyan rare earth (Rongcheng) Co.,Ltd. Applicant after: Youyan rare earth (Rongcheng) magnetic materials Research Institute Applicant after: Youyan rare earth (Qingdao) Co.,Ltd. Applicant after: GRINM ADVANCED MATERIALS CO.,LTD. Address before: Renhe Town Songjiazhuang village, Rongcheng City, Weihai City, Shandong Province 264307 Applicant before: Youyan rare earth (Rongcheng) Co.,Ltd. Applicant before: Youyan rare earth (Rongcheng) magnetic materials Research Institute Applicant before: Youyan rare earth (Qingdao) Co.,Ltd. |
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