JPS62260770A - 高密度ＭｎＺｎフエライトの製造方法 - Google Patents
高密度ＭｎＺｎフエライトの製造方法Info
- Publication number
- JPS62260770A JPS62260770A JP61088298A JP8829886A JPS62260770A JP S62260770 A JPS62260770 A JP S62260770A JP 61088298 A JP61088298 A JP 61088298A JP 8829886 A JP8829886 A JP 8829886A JP S62260770 A JPS62260770 A JP S62260770A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- density
- particle size
- mnzn ferrite
- ferrite
- 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
- 229910000859 α-Fe Inorganic materials 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000843 powder Substances 0.000 claims description 28
- 238000001354 calcination Methods 0.000 claims description 11
- 239000000378 calcium silicate Substances 0.000 claims description 6
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 6
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 2
- 238000001513 hot isostatic pressing Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 21
- 238000009826 distribution Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 238000002156 mixing Methods 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011163 secondary particle Substances 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012467 final product Substances 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
- 239000002244 precipitate Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910021527 natrosilite Inorganic materials 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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 true JPS62260770A (ja) | 1987-11-13 |
| JPH0345033B2 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 |
|---|---|
| JPH0345033B2 (enrdf_load_stackoverflow) | 1991-07-09 |
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