JP2023053819A - 希土類磁石材料及び磁石 - Google Patents
希土類磁石材料及び磁石 Download PDFInfo
- Publication number
- JP2023053819A JP2023053819A JP2021163100A JP2021163100A JP2023053819A JP 2023053819 A JP2023053819 A JP 2023053819A JP 2021163100 A JP2021163100 A JP 2021163100A JP 2021163100 A JP2021163100 A JP 2021163100A JP 2023053819 A JP2023053819 A JP 2023053819A
- Authority
- JP
- Japan
- Prior art keywords
- atomic
- content
- rare earth
- less
- phase
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
-
- 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
-
- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/083—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 in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
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)
- Hard Magnetic Materials (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021163100A JP2023053819A (ja) | 2021-10-01 | 2021-10-01 | 希土類磁石材料及び磁石 |
| CN202280065389.0A CN118020119A (zh) | 2021-10-01 | 2022-09-16 | 稀土磁铁材料和磁铁 |
| EP22875906.4A EP4411760A4 (en) | 2021-10-01 | 2022-09-16 | RARE EARTH MAGNET MATERIAL AND MAGNET |
| PCT/JP2022/034824 WO2023054035A1 (ja) | 2021-10-01 | 2022-09-16 | 希土類磁石材料及び磁石 |
| US18/595,936 US20240266095A1 (en) | 2021-10-01 | 2024-03-05 | Rare-earth magnet material and magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021163100A JP2023053819A (ja) | 2021-10-01 | 2021-10-01 | 希土類磁石材料及び磁石 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023053819A true JP2023053819A (ja) | 2023-04-13 |
| JP2023053819A5 JP2023053819A5 (https=) | 2024-09-27 |
Family
ID=85782492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021163100A Pending JP2023053819A (ja) | 2021-10-01 | 2021-10-01 | 希土類磁石材料及び磁石 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240266095A1 (https=) |
| EP (1) | EP4411760A4 (https=) |
| JP (1) | JP2023053819A (https=) |
| CN (1) | CN118020119A (https=) |
| WO (1) | WO2023054035A1 (https=) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08316018A (ja) * | 1994-07-12 | 1996-11-29 | Tdk Corp | 磁石およびボンディッド磁石 |
| JP2016526298A (ja) * | 2013-05-31 | 2016-09-01 | 北京有色金属研究総院General Research Institute for Nonferrous Metals | 希土類永久磁石粉末、それを含む接着性磁性体及び当該接着性磁性体を応用した素子 |
| JP2019046857A (ja) * | 2017-08-30 | 2019-03-22 | 株式会社東芝 | 永久磁石、回転電機、及び車両 |
| WO2021085521A1 (ja) * | 2019-10-29 | 2021-05-06 | Tdk株式会社 | Sm-Fe-N系希土類磁石、その製造方法、及び、希土類磁石粉末 |
| JP2022149639A (ja) * | 2021-03-25 | 2022-10-07 | Tdk株式会社 | Sm-Fe-N系希土類磁石 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4899254B2 (ja) | 2000-05-29 | 2012-03-21 | 大同特殊鋼株式会社 | 等方性の粉末磁石材料、その製造方法およびボンド磁石 |
| JP2018046221A (ja) | 2016-09-16 | 2018-03-22 | 大同特殊鋼株式会社 | Sm−Fe−N系磁石材料及びSm−Fe−N系ボンド磁石 |
-
2021
- 2021-10-01 JP JP2021163100A patent/JP2023053819A/ja active Pending
-
2022
- 2022-09-16 CN CN202280065389.0A patent/CN118020119A/zh active Pending
- 2022-09-16 WO PCT/JP2022/034824 patent/WO2023054035A1/ja not_active Ceased
- 2022-09-16 EP EP22875906.4A patent/EP4411760A4/en active Pending
-
2024
- 2024-03-05 US US18/595,936 patent/US20240266095A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08316018A (ja) * | 1994-07-12 | 1996-11-29 | Tdk Corp | 磁石およびボンディッド磁石 |
| JP2016526298A (ja) * | 2013-05-31 | 2016-09-01 | 北京有色金属研究総院General Research Institute for Nonferrous Metals | 希土類永久磁石粉末、それを含む接着性磁性体及び当該接着性磁性体を応用した素子 |
| JP2019046857A (ja) * | 2017-08-30 | 2019-03-22 | 株式会社東芝 | 永久磁石、回転電機、及び車両 |
| WO2021085521A1 (ja) * | 2019-10-29 | 2021-05-06 | Tdk株式会社 | Sm-Fe-N系希土類磁石、その製造方法、及び、希土類磁石粉末 |
| JP2022149639A (ja) * | 2021-03-25 | 2022-10-07 | Tdk株式会社 | Sm-Fe-N系希土類磁石 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118020119A (zh) | 2024-05-10 |
| US20240266095A1 (en) | 2024-08-08 |
| WO2023054035A1 (ja) | 2023-04-06 |
| EP4411760A1 (en) | 2024-08-07 |
| EP4411760A4 (en) | 2025-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3741597B2 (ja) | 多元系希土類−鉄格子浸入型永久磁石材料、およびそれからなる永久磁石、ならびにそれらの製造方法 | |
| CN107251176B (zh) | R-t-b系烧结磁体的制造方法 | |
| JPH0521218A (ja) | 希土類永久磁石の製造方法 | |
| EP1365422A1 (en) | Method for preparation of permanent magnet | |
| KR20030025925A (ko) | 복수의 강자성상을 포함하는 영구자석 및 그 제조방법 | |
| JP7010884B2 (ja) | 希土類コバルト永久磁石及びその製造方法、並びにデバイス | |
| JP6429021B2 (ja) | 永久磁石 | |
| JP3715573B2 (ja) | 磁石材料及びその製造方法 | |
| JP2024023206A (ja) | 異方性希土類焼結磁石及びその製造方法 | |
| JPH0574618A (ja) | 希土類永久磁石の製造方法 | |
| Qian et al. | Crystallization and magnetic properties of ThMn12-type Sm-Fe-Co-Ti-Si based magnetic materials | |
| JPH1088294A (ja) | 硬磁性材料 | |
| JP7405141B2 (ja) | サマリウム鉄窒素系磁性材料 | |
| JP2002294413A (ja) | 磁石材料及びその製造方法 | |
| JP2008133496A (ja) | サマリウム−鉄系永久磁石材料及びその製造方法 | |
| JP2017166018A (ja) | ネオジム−鉄−ボロン系合金 | |
| WO2023054035A1 (ja) | 希土類磁石材料及び磁石 | |
| JPH06207204A (ja) | 希土類永久磁石の製造方法 | |
| JP3773484B2 (ja) | ナノコンポジット磁石 | |
| KR0168495B1 (ko) | 알파-Fe기 RE-Fe-B 초미세 결정립 합금 자성체, 그의 제조방법 및 그의 이용 | |
| JP7731908B2 (ja) | 永久磁石及びその製造方法、並びにデバイス | |
| WO2024202236A1 (ja) | 磁性材料および磁石ならびに急冷凝固合金、磁性材料および磁石の製造方法 | |
| JP2024162993A (ja) | 永久磁石、デバイス、永久磁石の製造方法、及び永久磁石粉末の製造方法 | |
| JP3959124B2 (ja) | 希土類−鉄磁石用合金の窒化速度を向上させる方法 | |
| WO2024202250A1 (ja) | 磁粉、磁石、磁粉の製造方法および磁石の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20231121 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240918 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20240918 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20250624 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20250805 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20250902 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20251223 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20260210 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20260407 |