JPH0516162B2 - - Google Patents
Info
- Publication number
- JPH0516162B2 JPH0516162B2 JP58110166A JP11016683A JPH0516162B2 JP H0516162 B2 JPH0516162 B2 JP H0516162B2 JP 58110166 A JP58110166 A JP 58110166A JP 11016683 A JP11016683 A JP 11016683A JP H0516162 B2 JPH0516162 B2 JP H0516162B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- max
- permanent magnet
- content
- heat treatment
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052772 Samarium Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 11
- 238000005245 sintering Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 101001012264 Schistosoma mansoni 23 kDa integral membrane protein Proteins 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011328 necessary treatment Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- -1 vacuum Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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 |
|---|---|---|---|
| JP58110166A JPS603105A (ja) | 1983-06-21 | 1983-06-21 | 永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58110166A JPS603105A (ja) | 1983-06-21 | 1983-06-21 | 永久磁石の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS603105A JPS603105A (ja) | 1985-01-09 |
| JPH0516162B2 true JPH0516162B2 (de) | 1993-03-03 |
Family
ID=14528720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58110166A Granted JPS603105A (ja) | 1983-06-21 | 1983-06-21 | 永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS603105A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0428806Y2 (de) * | 1985-07-17 | 1992-07-14 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106624A (en) * | 1977-03-02 | 1978-09-16 | Hitachi Metals Ltd | Method of making permant magnet |
| JPS55140203A (en) * | 1979-04-18 | 1980-11-01 | Namiki Precision Jewel Co Ltd | Manufacture of permanent-magnet alloy |
| JPS56116862A (en) * | 1980-02-15 | 1981-09-12 | Seiko Instr & Electronics Ltd | Manufacture of rare earth element magnet |
| JPS56156734A (en) * | 1980-04-30 | 1981-12-03 | Tdk Corp | Permanent magnet alloy and its manufacture |
| JPS586105A (ja) * | 1981-07-03 | 1983-01-13 | Toshiba Corp | 永久磁石の製造方法 |
-
1983
- 1983-06-21 JP JP58110166A patent/JPS603105A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106624A (en) * | 1977-03-02 | 1978-09-16 | Hitachi Metals Ltd | Method of making permant magnet |
| JPS55140203A (en) * | 1979-04-18 | 1980-11-01 | Namiki Precision Jewel Co Ltd | Manufacture of permanent-magnet alloy |
| JPS56116862A (en) * | 1980-02-15 | 1981-09-12 | Seiko Instr & Electronics Ltd | Manufacture of rare earth element magnet |
| JPS56156734A (en) * | 1980-04-30 | 1981-12-03 | Tdk Corp | Permanent magnet alloy and its manufacture |
| JPS586105A (ja) * | 1981-07-03 | 1983-01-13 | Toshiba Corp | 永久磁石の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS603105A (ja) | 1985-01-09 |
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