JPS5633806A - Preparation of rare-earth magnet - Google Patents
Preparation of rare-earth magnetInfo
- Publication number
- JPS5633806A JPS5633806A JP10987579A JP10987579A JPS5633806A JP S5633806 A JPS5633806 A JP S5633806A JP 10987579 A JP10987579 A JP 10987579A JP 10987579 A JP10987579 A JP 10987579A JP S5633806 A JPS5633806 A JP S5633806A
- Authority
- JP
- Japan
- Prior art keywords
- rare
- earth magnet
- quenching
- heat treatment
- preparation
- 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
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)
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE:To improve a rare-earth magnet in its coercive force by quenching it after aging heat treatment. CONSTITUTION:Powder of intermetallic compounds consisting of rare-earth and other metallic elements is compression molded, sintered and solution-treated, age- heat-treated next and then quenched. When the aging heat treatment is applied twice or more, the quenching may be carried out after the second aging heat treatment. For the method of quenching, for example, a method to quench into oil at 100-400 deg.C is suitable. By so doing, the coercive force of a rare-earth magnet can be increased more.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10987579A JPS5633806A (en) | 1979-08-29 | 1979-08-29 | Preparation of rare-earth magnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10987579A JPS5633806A (en) | 1979-08-29 | 1979-08-29 | Preparation of rare-earth magnet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5633806A true JPS5633806A (en) | 1981-04-04 |
Family
ID=14521386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10987579A Pending JPS5633806A (en) | 1979-08-29 | 1979-08-29 | Preparation of rare-earth magnet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5633806A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS621204A (en) * | 1985-03-13 | 1987-01-07 | Hitachi Metals Ltd | Manufacture of permanent magnet |
EP0660338A1 (en) * | 1993-12-27 | 1995-06-28 | The Foundation: The Research Institute Of Electric And Magnetic Alloys | Permanent magnet material of high coercive force Pr-Co alloy and permanent magnet material of thin film and method of manufacturing the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4920020A (en) * | 1972-04-14 | 1974-02-22 |
-
1979
- 1979-08-29 JP JP10987579A patent/JPS5633806A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4920020A (en) * | 1972-04-14 | 1974-02-22 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS621204A (en) * | 1985-03-13 | 1987-01-07 | Hitachi Metals Ltd | Manufacture of permanent magnet |
EP0660338A1 (en) * | 1993-12-27 | 1995-06-28 | The Foundation: The Research Institute Of Electric And Magnetic Alloys | Permanent magnet material of high coercive force Pr-Co alloy and permanent magnet material of thin film and method of manufacturing the same |
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