DE1209477B - Verfahren zur Vorbehandlung von Pulvern, die durch Pressen und Sintern zu Formkoerpern, insbesondere zu Magnetkernen verarbeitet werden - Google Patents
Verfahren zur Vorbehandlung von Pulvern, die durch Pressen und Sintern zu Formkoerpern, insbesondere zu Magnetkernen verarbeitet werdenInfo
- Publication number
- DE1209477B DE1209477B DEL38855A DEL0038855A DE1209477B DE 1209477 B DE1209477 B DE 1209477B DE L38855 A DEL38855 A DE L38855A DE L0038855 A DEL0038855 A DE L0038855A DE 1209477 B DE1209477 B DE 1209477B
- Authority
- DE
- Germany
- Prior art keywords
- powder
- mixture
- pressing
- powders
- plastic material
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 13
- 230000005291 magnetic effect Effects 0.000 title claims description 11
- 238000003825 pressing Methods 0.000 title claims description 11
- 238000005245 sintering Methods 0.000 title claims description 5
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 25
- 229940051250 hexylene glycol Drugs 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 6
- 239000011118 polyvinyl acetate Substances 0.000 claims description 6
- 239000000020 Nitrocellulose Substances 0.000 claims description 5
- 229920001220 nitrocellulos Polymers 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 4
- 229910052751 metal Chemical class 0.000 claims description 4
- 239000002184 metal Chemical class 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 230000005294 ferromagnetic effect Effects 0.000 claims 1
- 239000004014 plasticizer Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Natural products CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- -1 oxides Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1315—Non-ceramic binders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- 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
-
- 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
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR826721A FR1264545A (fr) | 1960-05-10 | 1960-05-10 | Procédé de préparation de poudres destinées au matriçage de noyaux magnétiqueset autres pièces en poudre comprimées |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1209477B true DE1209477B (de) | 1966-01-20 |
Family
ID=8731062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEL38855A Pending DE1209477B (de) | 1960-05-10 | 1961-04-28 | Verfahren zur Vorbehandlung von Pulvern, die durch Pressen und Sintern zu Formkoerpern, insbesondere zu Magnetkernen verarbeitet werden |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE603608A (enrdf_load_stackoverflow) |
| CH (1) | CH435474A (enrdf_load_stackoverflow) |
| DE (1) | DE1209477B (enrdf_load_stackoverflow) |
| ES (1) | ES266660A1 (enrdf_load_stackoverflow) |
| GB (1) | GB953113A (enrdf_load_stackoverflow) |
| IT (1) | IT649863A (enrdf_load_stackoverflow) |
| NL (1) | NL113443C (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834800A (en) * | 1986-10-15 | 1989-05-30 | Hoeganaes Corporation | Iron-based powder mixtures |
| US5298055A (en) * | 1992-03-09 | 1994-03-29 | Hoeganaes Corporation | Iron-based powder mixtures containing binder-lubricant |
| US6039784A (en) * | 1997-03-12 | 2000-03-21 | Hoeganaes Corporation | Iron-based powder compositions containing green strength enhancing lubricants |
| GB9723723D0 (en) * | 1997-11-11 | 1998-01-07 | Silberline Ltd | Metal powder pigment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2582993A (en) * | 1948-10-29 | 1952-01-22 | Glenn N Howatt | Method of producing high dielectric high insulation ceramic plates |
| GB673720A (en) * | 1949-01-03 | 1952-06-11 | Aladdin Ind Inc | Magnetic core composition and method of producing the same |
| GB675195A (en) * | 1948-02-16 | 1952-07-09 | Minnesota Mining & Mfg | Improvements in or relating to magnetic recording member and method of making same |
| DE874269C (de) * | 1941-12-04 | 1953-04-23 | Gen Motors Corp | Verfahren zur Herstellung keramischer Artikel, insbesondere Isolierkoerper fuer Zuendkerzen |
| GB729538A (en) * | 1952-08-19 | 1955-05-04 | Rca Corp | Improvements in manganese zinc ferrospinel compositions |
| US2886530A (en) * | 1955-07-19 | 1959-05-12 | Greger Herbert Hans | Process of manufacturing ceramic ferrites |
-
0
- IT IT649863D patent/IT649863A/it unknown
- NL NL113443D patent/NL113443C/xx active
-
1961
- 1961-04-18 ES ES0266660A patent/ES266660A1/es not_active Expired
- 1961-04-28 DE DEL38855A patent/DE1209477B/de active Pending
- 1961-05-02 CH CH510761A patent/CH435474A/fr unknown
- 1961-05-05 GB GB16414/61A patent/GB953113A/en not_active Expired
- 1961-05-10 BE BE603608A patent/BE603608A/fr unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE874269C (de) * | 1941-12-04 | 1953-04-23 | Gen Motors Corp | Verfahren zur Herstellung keramischer Artikel, insbesondere Isolierkoerper fuer Zuendkerzen |
| GB675195A (en) * | 1948-02-16 | 1952-07-09 | Minnesota Mining & Mfg | Improvements in or relating to magnetic recording member and method of making same |
| US2582993A (en) * | 1948-10-29 | 1952-01-22 | Glenn N Howatt | Method of producing high dielectric high insulation ceramic plates |
| GB673720A (en) * | 1949-01-03 | 1952-06-11 | Aladdin Ind Inc | Magnetic core composition and method of producing the same |
| GB729538A (en) * | 1952-08-19 | 1955-05-04 | Rca Corp | Improvements in manganese zinc ferrospinel compositions |
| US2886530A (en) * | 1955-07-19 | 1959-05-12 | Greger Herbert Hans | Process of manufacturing ceramic ferrites |
Also Published As
| Publication number | Publication date |
|---|---|
| GB953113A (en) | 1964-03-25 |
| IT649863A (enrdf_load_stackoverflow) | |
| ES266660A1 (es) | 1961-09-01 |
| BE603608A (fr) | 1961-11-10 |
| NL113443C (enrdf_load_stackoverflow) | |
| CH435474A (fr) | 1967-05-15 |
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