JPS6317775B2 - - Google Patents
Info
- Publication number
- JPS6317775B2 JPS6317775B2 JP54047407A JP4740779A JPS6317775B2 JP S6317775 B2 JPS6317775 B2 JP S6317775B2 JP 54047407 A JP54047407 A JP 54047407A JP 4740779 A JP4740779 A JP 4740779A JP S6317775 B2 JPS6317775 B2 JP S6317775B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- powder
- less
- particle size
- metal
- 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
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 150000004703 alkoxides Chemical class 0.000 claims description 8
- 239000010419 fine particle Substances 0.000 claims description 7
- 229910052596 spinel Inorganic materials 0.000 claims description 6
- 239000011029 spinel Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 239000000843 powder Substances 0.000 description 23
- 229910018605 Ni—Zn Inorganic materials 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740779A JPS55140721A (en) | 1979-04-18 | 1979-04-18 | Manufacture of ferrite fine grain powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740779A JPS55140721A (en) | 1979-04-18 | 1979-04-18 | Manufacture of ferrite fine grain powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55140721A JPS55140721A (en) | 1980-11-04 |
| JPS6317775B2 true JPS6317775B2 (enExample) | 1988-04-15 |
Family
ID=12774259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4740779A Granted JPS55140721A (en) | 1979-04-18 | 1979-04-18 | Manufacture of ferrite fine grain powder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55140721A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58199723A (ja) * | 1982-05-17 | 1983-11-21 | Sentan Kako Kikai Gijutsu Shinko Kyokai | ランタニド鉄複酸化物の製造方法 |
| US4486401A (en) * | 1983-03-14 | 1984-12-04 | Celanese Corporation | Production of fine ferrimagnetic spinels |
-
1979
- 1979-04-18 JP JP4740779A patent/JPS55140721A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55140721A (en) | 1980-11-04 |
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