DE2539926C3 - Verfahren zum Herstellen eines Magnetkörpers - Google Patents
Verfahren zum Herstellen eines MagnetkörpersInfo
- Publication number
- DE2539926C3 DE2539926C3 DE2539926A DE2539926A DE2539926C3 DE 2539926 C3 DE2539926 C3 DE 2539926C3 DE 2539926 A DE2539926 A DE 2539926A DE 2539926 A DE2539926 A DE 2539926A DE 2539926 C3 DE2539926 C3 DE 2539926C3
- Authority
- DE
- Germany
- Prior art keywords
- suspension
- ferrite
- liquid
- sintered
- press
- 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
- 238000000034 method Methods 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000007788 liquid Substances 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 18
- 229910000859 α-Fe Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 229910052788 barium Inorganic materials 0.000 claims description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 3
- 239000002245 particle Substances 0.000 description 13
- 238000010306 acid treatment Methods 0.000 description 10
- 239000012065 filter cake Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000007792 addition Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2683—Other ferrites containing alkaline earth metals or lead
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/58—Processes of forming magnets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Ceramics (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7412288A NL7412288A (nl) | 1974-09-17 | 1974-09-17 | Werkwijze ter vervaardiging van een magneet- lichaam. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2539926A1 DE2539926A1 (de) | 1976-04-01 |
| DE2539926B2 DE2539926B2 (de) | 1977-10-06 |
| DE2539926C3 true DE2539926C3 (de) | 1978-06-08 |
Family
ID=19822114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2539926A Expired DE2539926C3 (de) | 1974-09-17 | 1975-09-09 | Verfahren zum Herstellen eines Magnetkörpers |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4354993A (enExample) |
| JP (1) | JPS5516522B2 (enExample) |
| BR (1) | BR7505922A (enExample) |
| DE (1) | DE2539926C3 (enExample) |
| ES (1) | ES440942A1 (enExample) |
| FR (1) | FR2285691A1 (enExample) |
| GB (1) | GB1508637A (enExample) |
| IT (1) | IT1042540B (enExample) |
| NL (1) | NL7412288A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1208358B (it) * | 1987-03-31 | 1989-06-12 | Brussino Massimo | Procedimento per la produzione di laminato plastico magnetico e laminato magnetico ottenuto con tale procedimento |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2652360A (en) * | 1951-05-10 | 1953-09-15 | Pure Oil Co | Acidizing siliceous earth formations |
| DE1300052B (de) * | 1963-01-25 | 1969-07-24 | Westinghouse Electric Corp | Verfahren zur Herstellung eines Ferrit-Dauermagneten hoher Koerzitivkraft |
| US3387918A (en) * | 1964-11-13 | 1968-06-11 | Chicago Copper & Chemical Comp | Treatment of metallic ferrites |
| NL6907479A (enExample) * | 1968-05-17 | 1969-11-19 | ||
| US3903228A (en) * | 1970-08-12 | 1975-09-02 | Minnesota Mining & Mfg | Flexible ferrite-particle magnets |
-
1974
- 1974-09-17 NL NL7412288A patent/NL7412288A/xx unknown
-
1975
- 1975-09-09 DE DE2539926A patent/DE2539926C3/de not_active Expired
- 1975-09-12 IT IT27219/75A patent/IT1042540B/it active
- 1975-09-12 GB GB37624/75A patent/GB1508637A/en not_active Expired
- 1975-09-13 JP JP11053375A patent/JPS5516522B2/ja not_active Expired
- 1975-09-15 ES ES440942A patent/ES440942A1/es not_active Expired
- 1975-09-15 BR BR7505922*A patent/BR7505922A/pt unknown
- 1975-09-16 FR FR7528353A patent/FR2285691A1/fr active Granted
-
1977
- 1977-05-27 US US05/801,029 patent/US4354993A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2285691B1 (enExample) | 1979-09-14 |
| US4354993A (en) | 1982-10-19 |
| FR2285691A1 (fr) | 1976-04-16 |
| ES440942A1 (es) | 1977-03-16 |
| JPS5516522B2 (enExample) | 1980-05-02 |
| IT1042540B (it) | 1980-01-30 |
| NL7412288A (nl) | 1976-03-19 |
| BR7505922A (pt) | 1976-08-03 |
| DE2539926B2 (de) | 1977-10-06 |
| DE2539926A1 (de) | 1976-04-01 |
| JPS5156999A (enExample) | 1976-05-19 |
| GB1508637A (en) | 1978-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |