ES302762A1 - A method of manufacturing a synthetized body of iron, zinc and manganese magnetically soft ferritas. (Machine-translation by Google Translate, not legally binding) - Google Patents
A method of manufacturing a synthetized body of iron, zinc and manganese magnetically soft ferritas. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES302762A1 ES302762A1 ES0302762A ES302762A ES302762A1 ES 302762 A1 ES302762 A1 ES 302762A1 ES 0302762 A ES0302762 A ES 0302762A ES 302762 A ES302762 A ES 302762A ES 302762 A1 ES302762 A1 ES 302762A1
- Authority
- ES
- Spain
- Prior art keywords
- temperature
- gaseous atmosphere
- volume
- zinc
- limits
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract 4
- 239000011701 zinc Substances 0.000 title abstract 4
- 229910052725 zinc Inorganic materials 0.000 title abstract 4
- 229910052742 iron Inorganic materials 0.000 title abstract 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052748 manganese Inorganic materials 0.000 title abstract 2
- 239000011572 manganese Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 6
- 229910052760 oxygen Inorganic materials 0.000 abstract 6
- 239000001301 oxygen Substances 0.000 abstract 6
- 238000001816 cooling Methods 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 abstract 2
- 238000005245 sintering Methods 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0311—Compounds
-
- 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
-
- 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
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
Abstract
A method of manufacturing a sintered body of iron, zinc and manganese ferrites, magnetically soft, by presintering a mixture of manganese oxide, zinc and iron, each of whose oxides can be replaced totally or partially by other compounds of said metals which, under the conditions existing during presinterization, can be converted into oxides, followed by cooling and spraying of the presintered product, shaping and final sintering of the formed body, characterized on the one hand, by a composition of the mixture to presintend from 24.5 to 28.5 mole percent of MnO and 53.0 mole percent of Fe2O3, and the rest of ZnO, or a composition corresponding to it, and characterized, on the other hand, by a combination of a number of measurements to be carried out in the order indicated below: a) during the final sintering that takes place in a gaseous atmosphere consisting of at least 95% by volume in oxygen the heating is carried out at a temperature between the limits of 1,370º C and 1,430º C after which the temperature is maintained between these limits for a period of time of 3 hours maximum at least 15 minutes, and then it is carried out the cooling; b) during cooling, a point in the temperature range between 1,310 and 1,250ºC is started with a gradual decrease in the oxygen content of the gaseous atmosphere in such a way that at a temperature of 1,150ºC this gaseous atmosphere contains only a maximum of 0 , 2% by volume of oxygen; c) while maintaining an oxygen content of the gaseous atmosphere of maximum 0.2% by volume, cooling is continued; d) while the evaporation of zinc from the resulting sintered body is suppressed, this sintered body is heated up to a temperature between the limits of 1,250 and 1,310º C in a gaseous atmosphere with an oxygen content between 0,05 and 1% by volume, after of which the temperature between these limits is maintained for a period of time between 5 and 10 hours; e) the sintered body is finally cooled again, this time in a gaseous atmosphere having an oxygen content of 0.1% by volume at most. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL296282 | 1963-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES302762A1 true ES302762A1 (en) | 1965-01-01 |
Family
ID=19754941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0302762A Expired ES302762A1 (en) | 1963-08-05 | 1964-08-03 | A method of manufacturing a synthetized body of iron, zinc and manganese magnetically soft ferritas. (Machine-translation by Google Translate, not legally binding) |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS412836B1 (en) |
| AT (1) | AT252592B (en) |
| BE (1) | BE651395A (en) |
| CH (1) | CH464377A (en) |
| DE (1) | DE1471349A1 (en) |
| DK (1) | DK116384B (en) |
| ES (1) | ES302762A1 (en) |
| FR (1) | FR1403510A (en) |
| GB (1) | GB1004748A (en) |
| LU (1) | LU46680A1 (en) |
| NL (1) | NL296282A (en) |
| SE (1) | SE301523B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0400716A1 (en) * | 1989-05-26 | 1990-12-05 | Koninklijke Philips Electronics N.V. | Soft magnetic magnesium-manganese-zinc-ferrite material and products thereof |
| CN114085086A (en) * | 2021-11-02 | 2022-02-25 | 宝钢磁业（江苏）有限公司 | Sintering process of iron-rich ultrahigh Bs material |
-
0
- NL NL296282D patent/NL296282A/xx unknown
-
1964
- 1964-08-01 DE DE19641471349 patent/DE1471349A1/en active Pending
- 1964-08-01 DK DK382864AA patent/DK116384B/en unknown
- 1964-08-03 AT AT665464A patent/AT252592B/en active
- 1964-08-03 SE SE9386/64A patent/SE301523B/xx unknown
- 1964-08-03 ES ES0302762A patent/ES302762A1/en not_active Expired
- 1964-08-03 CH CH1011664A patent/CH464377A/en unknown
- 1964-08-03 LU LU46680D patent/LU46680A1/xx unknown
- 1964-08-04 BE BE651395A patent/BE651395A/xx unknown
- 1964-08-04 GB GB31511/64A patent/GB1004748A/en not_active Expired
- 1964-08-05 FR FR984219A patent/FR1403510A/en not_active Expired
- 1964-08-05 JP JP4395464A patent/JPS412836B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS412836B1 (en) | 1966-02-22 |
| NL296282A (en) | |
| LU46680A1 (en) | 1964-10-03 |
| FR1403510A (en) | 1965-06-18 |
| BE651395A (en) | 1965-02-04 |
| SE301523B (en) | 1968-06-10 |
| DE1471349A1 (en) | 1969-02-27 |
| CH464377A (en) | 1968-10-31 |
| GB1004748A (en) | 1965-09-15 |
| AT252592B (en) | 1967-02-27 |
| DK116384B (en) | 1970-01-05 |
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