JPS6181603A - 希土類磁石の製造方法 - Google Patents
希土類磁石の製造方法Info
- Publication number
- JPS6181603A JPS6181603A JP59183756A JP18375684A JPS6181603A JP S6181603 A JPS6181603 A JP S6181603A JP 59183756 A JP59183756 A JP 59183756A JP 18375684 A JP18375684 A JP 18375684A JP S6181603 A JPS6181603 A JP S6181603A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- alloy
- rare earth
- alloy powder
- magnet
- 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
- 229910052761 rare earth metal Inorganic materials 0.000 title claims description 11
- 150000002910 rare earth metals Chemical class 0.000 title claims description 11
- 239000000843 powder Substances 0.000 claims abstract description 29
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- 238000005245 sintering Methods 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 238000004663 powder metallurgy Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 11
- 229910001004 magnetic alloy Inorganic materials 0.000 abstract description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 229910000521 B alloy Inorganic materials 0.000 description 8
- 229910001154 Pr alloy Inorganic materials 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910000583 Nd alloy Inorganic materials 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910017495 Nd—F Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59183756A JPS6181603A (ja) | 1984-09-04 | 1984-09-04 | 希土類磁石の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59183756A JPS6181603A (ja) | 1984-09-04 | 1984-09-04 | 希土類磁石の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6181603A true JPS6181603A (ja) | 1986-04-25 |
JPH0345883B2 JPH0345883B2 (enrdf_load_html_response) | 1991-07-12 |
Family
ID=16141425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59183756A Granted JPS6181603A (ja) | 1984-09-04 | 1984-09-04 | 希土類磁石の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6181603A (enrdf_load_html_response) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01146310A (ja) * | 1987-12-03 | 1989-06-08 | Tokin Corp | 希土類磁石の製造方法 |
US4981513A (en) * | 1987-05-11 | 1991-01-01 | Union Oil Company Of California | Mixed particulate composition for preparing rare earth-iron-boron sintered magnets |
US5015304A (en) * | 1987-05-11 | 1991-05-14 | Union Oil Company Of California | Rare earth-iron-boron sintered magnets |
US5015306A (en) * | 1987-05-11 | 1991-05-14 | Union Oil Company Of California | Method for preparing rare earth-iron-boron sintered magnets |
US5049203A (en) * | 1989-04-28 | 1991-09-17 | Nippon Steel Corporation | Method of making rare earth magnets |
US5055129A (en) * | 1987-05-11 | 1991-10-08 | Union Oil Company Of California | Rare earth-iron-boron sintered magnets |
US5281250A (en) * | 1992-01-29 | 1994-01-25 | Sumitomo Special Metals Company Limited | Powder material for rare earth-iron-boron based permanent magnets |
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 |
CN108389676A (zh) * | 2018-03-29 | 2018-08-10 | 江苏南方永磁科技有限公司 | 一种耐温性永磁材料及其制备方法 |
CN108515177A (zh) * | 2018-05-18 | 2018-09-11 | 江西理工大学 | 一种具有多主相结构的纳米晶复合稀土永磁材料及其制备 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
-
1984
- 1984-09-04 JP JP59183756A patent/JPS6181603A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4981513A (en) * | 1987-05-11 | 1991-01-01 | Union Oil Company Of California | Mixed particulate composition for preparing rare earth-iron-boron sintered magnets |
US5015304A (en) * | 1987-05-11 | 1991-05-14 | Union Oil Company Of California | Rare earth-iron-boron sintered magnets |
US5015306A (en) * | 1987-05-11 | 1991-05-14 | Union Oil Company Of California | Method for preparing rare earth-iron-boron sintered magnets |
US5055129A (en) * | 1987-05-11 | 1991-10-08 | Union Oil Company Of California | Rare earth-iron-boron sintered magnets |
JPH01146310A (ja) * | 1987-12-03 | 1989-06-08 | Tokin Corp | 希土類磁石の製造方法 |
US5049203A (en) * | 1989-04-28 | 1991-09-17 | Nippon Steel Corporation | Method of making rare earth magnets |
US5281250A (en) * | 1992-01-29 | 1994-01-25 | Sumitomo Special Metals Company Limited | Powder material for rare earth-iron-boron based permanent magnets |
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 |
CN108389676A (zh) * | 2018-03-29 | 2018-08-10 | 江苏南方永磁科技有限公司 | 一种耐温性永磁材料及其制备方法 |
CN108515177A (zh) * | 2018-05-18 | 2018-09-11 | 江西理工大学 | 一种具有多主相结构的纳米晶复合稀土永磁材料及其制备 |
CN108515177B (zh) * | 2018-05-18 | 2020-09-01 | 江西理工大学 | 一种具有多主相结构的纳米晶复合稀土永磁材料及其制备 |
Also Published As
Publication number | Publication date |
---|---|
JPH0345883B2 (enrdf_load_html_response) | 1991-07-12 |