JPH0345033B2 - - Google Patents
Info
- Publication number
- JPH0345033B2 JPH0345033B2 JP61088298A JP8829886A JPH0345033B2 JP H0345033 B2 JPH0345033 B2 JP H0345033B2 JP 61088298 A JP61088298 A JP 61088298A JP 8829886 A JP8829886 A JP 8829886A JP H0345033 B2 JPH0345033 B2 JP H0345033B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- solution
- density
- mnzn ferrite
- particle size
- 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
- 239000000843 powder Substances 0.000 claims description 25
- 229910000859 α-Fe Inorganic materials 0.000 claims description 14
- 238000001354 calcination Methods 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000000378 calcium silicate Substances 0.000 claims description 8
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 8
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 238000000034 method Methods 0.000 description 19
- 239000002245 particle Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 10
- 238000009826 distribution Methods 0.000 description 9
- 239000011575 calcium Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000011163 secondary particle Substances 0.000 description 4
- 229910004283 SiO 4 Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910004762 CaSiO Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61088298A JPS62260770A (ja) | 1986-04-18 | 1986-04-18 | 高密度ＭｎＺｎフエライトの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61088298A JPS62260770A (ja) | 1986-04-18 | 1986-04-18 | 高密度ＭｎＺｎフエライトの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62260770A JPS62260770A (ja) | 1987-11-13 |
| JPH0345033B2 true JPH0345033B2 (enrdf_load_stackoverflow) | 1991-07-09 |
Family
ID=13939014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61088298A Granted JPS62260770A (ja) | 1986-04-18 | 1986-04-18 | 高密度ＭｎＺｎフエライトの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62260770A (enrdf_load_stackoverflow) |
-
1986
- 1986-04-18 JP JP61088298A patent/JPS62260770A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62260770A (ja) | 1987-11-13 |
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