DE2028536A1 - Durch Reduktion in einer Wirbelschicht hergestelltes Eisenpulver - Google Patents
Durch Reduktion in einer Wirbelschicht hergestelltes EisenpulverInfo
- Publication number
- DE2028536A1 DE2028536A1 DE19702028536 DE2028536A DE2028536A1 DE 2028536 A1 DE2028536 A1 DE 2028536A1 DE 19702028536 DE19702028536 DE 19702028536 DE 2028536 A DE2028536 A DE 2028536A DE 2028536 A1 DE2028536 A1 DE 2028536A1
- Authority
- DE
- Germany
- Prior art keywords
- fluidized bed
- reduction
- particles
- iron
- powder
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 28
- 239000002245 particle Substances 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 13
- 230000005291 magnetic effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- UBUHAZKODAUXCP-UHFFFAOYSA-N iron(2+);oxygen(2-);hydrate Chemical compound O.[O-2].[Fe+2] UBUHAZKODAUXCP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 11
- 230000005294 ferromagnetic effect Effects 0.000 description 9
- 235000013980 iron oxide Nutrition 0.000 description 8
- 229910002588 FeOOH Inorganic materials 0.000 description 5
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
- G11B5/70615—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys containing Fe metal or alloys
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70647—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides with a skin
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70652—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides gamma - Fe2 O3
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- Dermatology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6909443A NL6909443A (enrdf_load_stackoverflow) | 1969-06-20 | 1969-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2028536A1 true DE2028536A1 (de) | 1970-12-23 |
Family
ID=19807253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702028536 Pending DE2028536A1 (de) | 1969-06-20 | 1970-06-10 | Durch Reduktion in einer Wirbelschicht hergestelltes Eisenpulver |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT298823B (enrdf_load_stackoverflow) |
| BE (1) | BE752202A (enrdf_load_stackoverflow) |
| CH (1) | CH531904A (enrdf_load_stackoverflow) |
| DE (1) | DE2028536A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2046957B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1265768A (enrdf_load_stackoverflow) |
| NL (1) | NL6909443A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2361539A1 (de) * | 1973-12-11 | 1975-06-12 | Philips Patentverwaltung | Verfahren zur herstellung von ferromagnetischem material |
| EP0041142A1 (de) * | 1980-06-04 | 1981-12-09 | BASF Aktiengesellschaft | Verfahren zur Herstellung von nadelförmigen, im wesentlichen aus Eisen bestehenden, ferromagnetischen Metallteilchen |
| WO1993009900A1 (en) * | 1991-11-22 | 1993-05-27 | Ampex Media Corporation | Storage of metal particles |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1026663B (it) * | 1974-11-29 | 1978-10-20 | Montedison Spa | Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica |
| DE3116489A1 (de) | 1981-04-25 | 1982-11-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur stabilisierung pyrophorer, im wesentlichen aus eisen bestehender ferromagnetischer nadelfoermiger metallteilchen |
| DE4115426A1 (de) * | 1991-05-10 | 1992-11-12 | Basf Magnetics Gmbh | Verfahren zum stabilisieren von nadelfoermigen, im wesentlichen aus eisen bestehenden, ferromagnetischen metallpulvern |
-
1969
- 1969-06-20 NL NL6909443A patent/NL6909443A/xx unknown
-
1970
- 1970-06-10 DE DE19702028536 patent/DE2028536A1/de active Pending
- 1970-06-17 GB GB1265768D patent/GB1265768A/en not_active Expired
- 1970-06-17 CH CH921270A patent/CH531904A/de not_active IP Right Cessation
- 1970-06-17 AT AT544470A patent/AT298823B/de not_active IP Right Cessation
- 1970-06-18 BE BE752202D patent/BE752202A/xx unknown
- 1970-06-19 FR FR7022689A patent/FR2046957B1/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2361539A1 (de) * | 1973-12-11 | 1975-06-12 | Philips Patentverwaltung | Verfahren zur herstellung von ferromagnetischem material |
| EP0041142A1 (de) * | 1980-06-04 | 1981-12-09 | BASF Aktiengesellschaft | Verfahren zur Herstellung von nadelförmigen, im wesentlichen aus Eisen bestehenden, ferromagnetischen Metallteilchen |
| US4378240A (en) | 1980-06-04 | 1983-03-29 | Basf Aktiengesellschaft | Preparation of acicular ferromagnetic metal particles consisting essentially of iron |
| WO1993009900A1 (en) * | 1991-11-22 | 1993-05-27 | Ampex Media Corporation | Storage of metal particles |
Also Published As
| Publication number | Publication date |
|---|---|
| BE752202A (fr) | 1970-12-18 |
| CH531904A (de) | 1972-12-31 |
| NL6909443A (enrdf_load_stackoverflow) | 1970-12-22 |
| FR2046957A1 (enrdf_load_stackoverflow) | 1971-03-12 |
| AT298823B (de) | 1972-05-25 |
| FR2046957B1 (enrdf_load_stackoverflow) | 1973-01-12 |
| GB1265768A (enrdf_load_stackoverflow) | 1972-03-08 |
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