CN104823249A - 稀土永磁粉、包括其的粘结磁体及应用该粘结磁体的器件 - Google Patents
稀土永磁粉、包括其的粘结磁体及应用该粘结磁体的器件 Download PDFInfo
- Publication number
- CN104823249A CN104823249A CN201380057909.4A CN201380057909A CN104823249A CN 104823249 A CN104823249 A CN 104823249A CN 201380057909 A CN201380057909 A CN 201380057909A CN 104823249 A CN104823249 A CN 104823249A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- rare earth
- earth permanent
- magnet powder
- magnetic
- 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.)
- Granted
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
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
-
- 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
-
- 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous 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
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/02—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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
-
- 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
-
- 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
-
- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/20—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
-
- 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
- H01F41/0266—Moulding; Pressing
-
- 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
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
Abstract
Description
Claims (1)
- 权 利 要 求 书 一种稀土永磁粉, 其特征在于, 所述稀土永磁粉包括 70~99vol%的硬磁相和 l~30vol%的软磁相, 所述硬磁相具有 TbCu7结构, 且晶粒粒度为 5~100nm; 所 述软磁相为具有 bcc结构的 Fe相, 所述软磁相的晶粒平均粒度为 l~30nm, 且 粒度的标准偏差低于 0.5σ。 根据权利要求 1所述的稀土永磁粉, 其特征在于, 所述硬磁相的晶粒粒度分布 在 5~80nm范围内, 优选地, 所述硬磁相的晶粒粒度分布在 5~50nm范围内。 根据权利要求 1或 2所述的稀土永磁粉, 其特征在于, 所述软磁相占所述稀土 永磁粉总体积的 3~30vol%, 优选地, 所述软磁相占所述稀土永磁粉总体积的 5~15vol% o 根据权利要求 1至 3中任一项所述的稀土永磁粉, 其特征在于, 所述软磁相的 平均晶粒粒度为 l~20nm。 根据权利要求 1至 4中任一项所述的稀土永磁粉, 其特征在于, 所述软磁相的 晶粒粒度标准偏差在 0.3σ以下。 根据权利要求 1至 5中任一项所述的稀土永磁粉, 其特征在于, 所述稀土永磁 粉由 R-T-M-A组成,其中 R为 Sm或 Sm与其他稀土元素的组合, T为 Fe或者 Fe禾 P Co的组合, M为 Ti、 V、 Cr、 Zr、 b、 Mo、 Ta、 W、 Si或 Hf中至少一 种, A为 N和 /或 C, 优选地, 所述稀土永磁粉中 R含量为 5~12at.%, A为 10~20at.%, M含量为 0~10at.%, 余量为 T。 根据权利要求 6所述的稀土永磁粉, 其特征在于, 所述稀土永磁粉中 R含量为 5~10at.%。 根据权利要求 7所述的稀土永磁粉, 其特征在于, 所述 R中 Sm的原子数含量 为 80~100at.% 根据权利要求 6所述的稀土永磁粉, 其特征在于, 所述 T为 Fe和 Co的组合, 且所述 T中 Co的原子数含量为 0~30at.%。 根据权利要求 1至 9中任一项所述的稀土永磁粉, 其特征在于, 所述稀土永磁 粉厚度为 5~50μιη。11. 一种粘结磁体,其特征在于,所述粘结磁体由权利要求 1至 10中任一项所述的 稀土永磁粉与粘结剂粘结而成。12. 一种器件, 其特征在于, 所述器件应用了权利要求 11所述的粘结磁体。13. 一种权利要求 1至 10中任一项所述的稀土永磁粉的制备方法,包括将熔融原料 供应到旋转的辊轮上进行快淬处理生成片状合金粉的步骤, 将所述片状合金粉 热处理后进行氮化或碳化处理得到所述稀土永磁粉的步骤, 其特征在于, 所述 快淬处理生成片状合金粉的步骤包括: 将熔融原料喷到旋转辊轮上, 以 l x l05°C/s~80x l05°C/s的冷却速度冷却至 850°C~950°C, 进行一次冷却;再以 0.5°C/s~5°C/s的冷却速度冷却至 250°C~350°C, 进行第二次冷却以获 得所述片状合金粉。14. 利要求 13所述的制备方法, 其特征在于, 在所述热处理过程中, 所述片状合金 粉以 10°C/s~30°C/s的速度进行升温, 升温至 600~900°C后热处理 10~150min, 优选地, 所述片状合金粉以 10°C/S~20°C/s的速度进行升温。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2013/076605 WO2014190558A1 (zh) | 2013-05-31 | 2013-05-31 | 稀土永磁粉、包括其的粘结磁体及应用该粘结磁体的器件 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104823249A true CN104823249A (zh) | 2015-08-05 |
CN104823249B CN104823249B (zh) | 2018-01-05 |
Family
ID=51987911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380057909.4A Active CN104823249B (zh) | 2013-05-31 | 2013-05-31 | 稀土永磁粉、包括其的粘结磁体及应用该粘结磁体的器件 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10079085B2 (zh) |
JP (1) | JP6163258B2 (zh) |
KR (1) | KR101687981B1 (zh) |
CN (1) | CN104823249B (zh) |
DE (1) | DE112013007128T5 (zh) |
WO (1) | WO2014190558A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110214355A (zh) * | 2016-03-25 | 2019-09-06 | 国立研究开发法人产业技术综合研究所 | 磁性材料及其制造方法 |
CN111386161A (zh) * | 2017-09-25 | 2020-07-07 | 国立研究开发法人产业技术综合研究所 | 磁性材料及其制造法 |
CN112562955A (zh) * | 2016-01-28 | 2021-03-26 | 株式会社村田制作所 | 以Sm-Fe二元系合金为主成分的磁铁用原料及其制造方法以及磁铁 |
US11742121B2 (en) | 2018-02-28 | 2023-08-29 | Daido Steel Co., Ltd. | Sm—Fe—N magnet material and Sm—Fe—N bonded magnet |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105723476B (zh) * | 2014-09-19 | 2018-03-27 | 株式会社东芝 | 永磁体、电动机及发电机 |
JP5985738B1 (ja) * | 2014-11-28 | 2016-09-06 | 株式会社東芝 | 永久磁石、モータ、および発電機 |
JP6429021B2 (ja) * | 2015-03-20 | 2018-11-28 | Tdk株式会社 | 永久磁石 |
CN107275029B (zh) * | 2016-04-08 | 2018-11-20 | 沈阳中北通磁科技股份有限公司 | 一种用钕铁硼废料生产的高性能钕铁硼永磁铁及制造方法 |
JP6862730B2 (ja) | 2016-09-16 | 2021-04-21 | 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 |
CN108630371B (zh) * | 2017-03-17 | 2020-03-27 | 有研稀土新材料股份有限公司 | 一种高热稳定性的稀土永磁材料、其制备方法及含有其的磁体 |
JP2022510734A (ja) * | 2018-11-14 | 2022-01-27 | 王静然 | 軟磁性金属材料の処理方法 |
CN111575598B (zh) * | 2019-02-19 | 2021-11-05 | 有研稀土新材料股份有限公司 | 一种添加钇的稀土永磁材料及其制备方法 |
CN113677457B (zh) * | 2019-03-14 | 2024-03-29 | 国立研究开发法人产业技术综合研究所 | 亚稳态单晶稀土磁体微粉以及其制造方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5716462A (en) * | 1995-06-30 | 1998-02-10 | Kabushiki Kaisha Toshiba | Magnetic material and bonded magnet |
US5750044A (en) * | 1994-07-12 | 1998-05-12 | Tdk Corporation | Magnet and bonded magnet |
CN1505821A (zh) * | 2001-04-24 | 2004-06-16 | 旭化成株式会社 | 磁铁用固体材料 |
CN101572143A (zh) * | 2009-03-11 | 2009-11-04 | 南京信息工程大学 | 复合永磁粉及其制备方法 |
CN102208235A (zh) * | 2010-03-30 | 2011-10-05 | 株式会社日立制作所 | 磁性材料及使用该磁性材料的电动机 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4496395A (en) * | 1981-06-16 | 1985-01-29 | General Motors Corporation | High coercivity rare earth-iron magnets |
DE3379131D1 (en) * | 1982-09-03 | 1989-03-09 | Gen Motors Corp | Re-tm-b alloys, method for their production and permanent magnets containing such alloys |
JP3519443B2 (ja) * | 1993-12-16 | 2004-04-12 | 住友特殊金属株式会社 | 永久磁石合金粉末とその製造方法 |
JP2898229B2 (ja) * | 1994-07-12 | 1999-05-31 | ティーディーケイ株式会社 | 磁石、その製造方法およびボンディッド磁石 |
JP3317646B2 (ja) * | 1996-12-04 | 2002-08-26 | ティーディーケイ株式会社 | 磁石の製造方法 |
JPH113812A (ja) * | 1997-04-03 | 1999-01-06 | Toshiba Corp | 永久磁石材料およびボンド磁石 |
JP3275882B2 (ja) * | 1999-07-22 | 2002-04-22 | セイコーエプソン株式会社 | 磁石粉末および等方性ボンド磁石 |
JP2001135509A (ja) * | 1999-08-20 | 2001-05-18 | Hitachi Metals Ltd | 等方性希土類磁石材料、等方性ボンド磁石、回転機およびマグネットロール |
JP2001167915A (ja) * | 1999-10-01 | 2001-06-22 | Tdk Corp | 磁石の製造方法 |
JP3951525B2 (ja) | 1999-11-25 | 2007-08-01 | セイコーエプソン株式会社 | 薄帯状磁石材料、薄帯状磁石材料の製造方法、磁石粉末および希土類ボンド磁石 |
JP2001355050A (ja) * | 2001-06-29 | 2001-12-25 | Sumitomo Special Metals Co Ltd | R−t−b−c系希土類磁性粉末およびボンド磁石 |
US7022252B2 (en) * | 2001-11-09 | 2006-04-04 | Hitachi Metals, Ltd. | Permanent magnetic alloy and bonded magnet |
JP4329318B2 (ja) | 2002-09-13 | 2009-09-09 | 日立金属株式会社 | 希土類焼結磁石およびその製造方法 |
US20050098239A1 (en) * | 2003-10-15 | 2005-05-12 | Neomax Co., Ltd. | R-T-B based permanent magnet material alloy and R-T-B based permanent magnet |
CN101256859B (zh) * | 2007-04-16 | 2011-01-26 | 有研稀土新材料股份有限公司 | 一种稀土合金铸片及其制备方法 |
CN101552060B (zh) * | 2008-04-03 | 2012-05-23 | 有研稀土新材料股份有限公司 | 一种稀土永磁粉及其制备方法 |
JP6491191B2 (ja) | 2013-04-02 | 2019-03-27 | ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | 咽喉炎、嗄声及び関連の空咳、並びに口腔及び咽頭腔の炎症性疾患の治療用ロゼンジ剤 |
-
2013
- 2013-05-31 WO PCT/CN2013/076605 patent/WO2014190558A1/zh active Application Filing
- 2013-05-31 KR KR1020157017182A patent/KR101687981B1/ko active IP Right Grant
- 2013-05-31 JP JP2016515594A patent/JP6163258B2/ja active Active
- 2013-05-31 US US14/651,560 patent/US10079085B2/en active Active
- 2013-05-31 CN CN201380057909.4A patent/CN104823249B/zh active Active
- 2013-05-31 DE DE112013007128.2T patent/DE112013007128T5/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5750044A (en) * | 1994-07-12 | 1998-05-12 | Tdk Corporation | Magnet and bonded magnet |
US5716462A (en) * | 1995-06-30 | 1998-02-10 | Kabushiki Kaisha Toshiba | Magnetic material and bonded magnet |
CN1505821A (zh) * | 2001-04-24 | 2004-06-16 | 旭化成株式会社 | 磁铁用固体材料 |
CN101572143A (zh) * | 2009-03-11 | 2009-11-04 | 南京信息工程大学 | 复合永磁粉及其制备方法 |
CN102208235A (zh) * | 2010-03-30 | 2011-10-05 | 株式会社日立制作所 | 磁性材料及使用该磁性材料的电动机 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112562955A (zh) * | 2016-01-28 | 2021-03-26 | 株式会社村田制作所 | 以Sm-Fe二元系合金为主成分的磁铁用原料及其制造方法以及磁铁 |
CN110214355A (zh) * | 2016-03-25 | 2019-09-06 | 国立研究开发法人产业技术综合研究所 | 磁性材料及其制造方法 |
CN111386161A (zh) * | 2017-09-25 | 2020-07-07 | 国立研究开发法人产业技术综合研究所 | 磁性材料及其制造法 |
US11742121B2 (en) | 2018-02-28 | 2023-08-29 | Daido Steel Co., Ltd. | Sm—Fe—N magnet material and Sm—Fe—N bonded magnet |
Also Published As
Publication number | Publication date |
---|---|
JP6163258B2 (ja) | 2017-07-12 |
CN104823249B (zh) | 2018-01-05 |
KR101687981B1 (ko) | 2017-01-02 |
US20150318089A1 (en) | 2015-11-05 |
DE112013007128T5 (de) | 2016-02-25 |
KR20150095714A (ko) | 2015-08-21 |
WO2014190558A1 (zh) | 2014-12-04 |
US10079085B2 (en) | 2018-09-18 |
JP2016526298A (ja) | 2016-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104823249B (zh) | 稀土永磁粉、包括其的粘结磁体及应用该粘结磁体的器件 | |
JP6503483B2 (ja) | 高熱安定性の希土類永久磁石材料、その製造方法及びそれを含む磁石 | |
JP2017226910A (ja) | 焼結Nd−Fe−B系磁性体及びその製造方法 | |
JP2001189206A (ja) | 永久磁石 | |
CN105957673B (zh) | 一种各向同性稀土永磁粉及其制备方法 | |
CN105990019A (zh) | 一种低重稀土烧结钕铁硼的制备方法 | |
Shao et al. | One step preparation of pure 𝝉-MnAl phase with high magnetization using strip casting method | |
JP2011187624A (ja) | 希土類系永久磁石およびその製造方法 | |
JP2003193208A (ja) | 磁石材料及びその製造方法 | |
Huang et al. | Production of anisotropic hot deformed Nd-Fe-B magnets with the addition of Pr-Cu-Al alloy based on nanocomposite ribbon | |
JPH01219143A (ja) | 焼結永久磁石材料とその製造方法 | |
JP2002294413A (ja) | 磁石材料及びその製造方法 | |
JP2000114016A (ja) | 永久磁石およびその製造方法 | |
CN106887292B (zh) | SmCo5基永磁薄带磁体及其制备方法 | |
CN106710764B (zh) | 一种SmCo5基永磁薄带磁体及其制备方法 | |
JP5982567B2 (ja) | 希土類永久磁石粉末、ボンド磁石及び当該ボンド磁石を応用するデバイス | |
CN103531321A (zh) | 稀土永磁粉、粘结磁体,以及应用该粘结磁体的器件 | |
CN100474460C (zh) | 烧结稀土永磁合金及其制造方法 | |
CN113205939B (zh) | 一种含锆烧结钕铁硼磁体及其制备方法 | |
JPH023206A (ja) | 希土類−鉄系永久磁石 | |
JPH0845718A (ja) | 磁性材料と製造法 | |
JP2001217109A (ja) | 磁石組成物及びこれを用いるボンド磁石 | |
JP2005272984A (ja) | 永久磁石粉末、永久磁石粉末の製造方法及びボンド磁石 | |
JP2016032004A (ja) | 磁性材料、及び磁性材料の製造方法、並びに希土類磁石 | |
JP2000114020A (ja) | 磁石材料およびボンド磁石 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee after: Youyan Technology Group Co.,Ltd. Patentee after: GRIREM ADVANCED MATERIALS Co.,Ltd. Address before: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee before: GENERAL Research Institute FOR NONFERROUS METALS Patentee before: GRIREM ADVANCED MATERIALS Co.,Ltd. Address after: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee after: China Youyan Technology Group Co.,Ltd. Patentee after: GRIREM ADVANCED MATERIALS Co.,Ltd. Address before: 100088, 2, Xinjie street, Xicheng District, Beijing Patentee before: Youyan Technology Group Co.,Ltd. Patentee before: GRIREM ADVANCED MATERIALS Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |