JPS5848612A - 強磁性鉄粉の製造方法 - Google Patents
強磁性鉄粉の製造方法Info
- Publication number
- JPS5848612A JPS5848612A JP56146186A JP14618681A JPS5848612A JP S5848612 A JPS5848612 A JP S5848612A JP 56146186 A JP56146186 A JP 56146186A JP 14618681 A JP14618681 A JP 14618681A JP S5848612 A JPS5848612 A JP S5848612A
- Authority
- JP
- Japan
- Prior art keywords
- iron powder
- zinc borate
- heating
- alpha
- mixture
- 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
-
- 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
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56146186A JPS5848612A (ja) | 1981-09-18 | 1981-09-18 | 強磁性鉄粉の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56146186A JPS5848612A (ja) | 1981-09-18 | 1981-09-18 | 強磁性鉄粉の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5848612A true JPS5848612A (ja) | 1983-03-22 |
| JPH0232324B2 JPH0232324B2 (enExample) | 1990-07-19 |
Family
ID=15402076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56146186A Granted JPS5848612A (ja) | 1981-09-18 | 1981-09-18 | 強磁性鉄粉の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5848612A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848611A (ja) * | 1981-09-18 | 1983-03-22 | Mitsui Toatsu Chem Inc | 強磁性鉄粉体の製造方法 |
| US5143542A (en) * | 1989-12-22 | 1992-09-01 | Ishihara Sangyo Kaisha, Ltd. | Process for producing magnetic metal powder for magnetic recording |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5272354A (en) * | 1975-12-12 | 1977-06-16 | Hitachi Maxell | Method of making ferromagnetic metal powder |
| JPS5457459A (en) * | 1977-09-27 | 1979-05-09 | Basf Ag | Ferromagnetic metal particles based on iron and prodution |
| JPS5573803A (en) * | 1978-11-25 | 1980-06-03 | Hitachi Maxell Ltd | Production of magnetic alloy powder |
| JPS5625908A (en) * | 1979-08-10 | 1981-03-12 | Toda Kogyo Corp | Preparation of magnetic grain powder consisting of needle crystal alloy of iron and cobalt |
| JPS56139606A (en) * | 1980-04-01 | 1981-10-31 | Tdk Corp | Production of metallic magnetic powder |
| JPS57116715A (en) * | 1981-01-10 | 1982-07-20 | Hitachi Maxell Ltd | Manufacture of metallic magnetic powder |
| JPS5848611A (ja) * | 1981-09-18 | 1983-03-22 | Mitsui Toatsu Chem Inc | 強磁性鉄粉体の製造方法 |
-
1981
- 1981-09-18 JP JP56146186A patent/JPS5848612A/ja active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5272354A (en) * | 1975-12-12 | 1977-06-16 | Hitachi Maxell | Method of making ferromagnetic metal powder |
| JPS5457459A (en) * | 1977-09-27 | 1979-05-09 | Basf Ag | Ferromagnetic metal particles based on iron and prodution |
| JPS5573803A (en) * | 1978-11-25 | 1980-06-03 | Hitachi Maxell Ltd | Production of magnetic alloy powder |
| JPS5625908A (en) * | 1979-08-10 | 1981-03-12 | Toda Kogyo Corp | Preparation of magnetic grain powder consisting of needle crystal alloy of iron and cobalt |
| JPS56139606A (en) * | 1980-04-01 | 1981-10-31 | Tdk Corp | Production of metallic magnetic powder |
| JPS57116715A (en) * | 1981-01-10 | 1982-07-20 | Hitachi Maxell Ltd | Manufacture of metallic magnetic powder |
| JPS5848611A (ja) * | 1981-09-18 | 1983-03-22 | Mitsui Toatsu Chem Inc | 強磁性鉄粉体の製造方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848611A (ja) * | 1981-09-18 | 1983-03-22 | Mitsui Toatsu Chem Inc | 強磁性鉄粉体の製造方法 |
| US5143542A (en) * | 1989-12-22 | 1992-09-01 | Ishihara Sangyo Kaisha, Ltd. | Process for producing magnetic metal powder for magnetic recording |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0232324B2 (enExample) | 1990-07-19 |
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