DE886012C - Verfahren zur Herstellung von Dauermagneten - Google Patents
Verfahren zur Herstellung von DauermagnetenInfo
- Publication number
- DE886012C DE886012C DENDAT886012D DE886012DA DE886012C DE 886012 C DE886012 C DE 886012C DE NDAT886012 D DENDAT886012 D DE NDAT886012D DE 886012D A DE886012D A DE 886012DA DE 886012 C DE886012 C DE 886012C
- Authority
- DE
- Germany
- Prior art keywords
- magnets
- magnet
- increased
- treatment
- permanent magnets
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000000843 powder Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000007669 thermal treatment Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229940044172 calcium formate Drugs 0.000 description 1
- 235000019255 calcium formate Nutrition 0.000 description 1
- 239000004281 calcium formate Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- PFQLIVQUKOIJJD-UHFFFAOYSA-L cobalt(ii) formate Chemical class [Co+2].[O-]C=O.[O-]C=O PFQLIVQUKOIJJD-UHFFFAOYSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- H01F41/0253—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 for manufacturing permanent magnets
-
- 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
- B22F1/14—Treatment of metallic powder
- B22F1/142—Thermal or thermo-mechanical treatment
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- 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
- H01F41/0253—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 for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
-
- 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)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR260191X | 1946-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE886012C true DE886012C (de) |
Family
ID=8884959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT886012D Active DE886012C (de) | 1946-02-15 | Verfahren zur Herstellung von Dauermagneten |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2534178A (en, 2012) |
| CH (1) | CH260191A (en, 2012) |
| DE (1) | DE886012C (en, 2012) |
| GB (1) | GB612879A (en, 2012) |
| NL (1) | NL72478C (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1068394B (en, 2012) * | 1959-11-05 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116181A (en) * | 1958-09-30 | 1963-12-31 | Philips Corp | Permanent amgnets |
| US3147112A (en) * | 1961-01-19 | 1964-09-01 | Du Pont | Ferromagnetic mn-ga alloy and method of production |
| US3138494A (en) * | 1961-05-01 | 1964-06-23 | Allegheny Ludlum Steel | Method of annealing magnetic materials |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1669643A (en) * | 1926-04-17 | 1928-05-15 | Western Electric Co | Magnetic material |
| US1859067A (en) * | 1927-10-29 | 1932-05-17 | Western Electric Co | Method of producing magnetic materials |
| US1840352A (en) * | 1931-01-22 | 1932-01-12 | Bell Telephone Labor Inc | Process of producing magnetic bodies |
| US2298885A (en) * | 1941-05-29 | 1942-10-13 | Gen Electric | Method for producing high density sintered products |
| GB590392A (en) * | 1942-04-07 | 1947-07-16 | Electro Chimie Metal | Improvements in or relating to the manufacture of magnets |
-
0
- DE DENDAT886012D patent/DE886012C/de active Active
- NL NL72478D patent/NL72478C/xx active
-
1946
- 1946-06-04 GB GB16980/46A patent/GB612879A/en not_active Expired
-
1947
- 1947-01-29 CH CH260191D patent/CH260191A/fr unknown
- 1947-02-07 US US727296A patent/US2534178A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1068394B (en, 2012) * | 1959-11-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB612879A (en) | 1948-11-18 |
| US2534178A (en) | 1950-12-12 |
| CH260191A (fr) | 1949-02-28 |
| NL72478C (en, 2012) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102020128947A1 (de) | Verfahren zur herstellung eines anisotropen magnetpulvers aus seltenerdelement | |
| DE102014109996A1 (de) | Auf seltenen Erden basierender Magnet | |
| DE886012C (de) | Verfahren zur Herstellung von Dauermagneten | |
| DE2507105A1 (de) | Permanentmagnetisches material mit samarium, kobalt, kupfer und eisen, verfahren zur herstellung und verwendung des materials | |
| CH716222B1 (de) | Verfahren zur Herstellung eines R2M17-Magneten. | |
| DE712675C (de) | Verfahren zur Hitzebestaendigen Isol?tion von magnetisierbarem Pulver, insbesondere Eisennickelpulver, fuer Massekerne | |
| AT165288B (de) | Verfahren zur Herstellung von permanenten Magneten auf Oxydgrundlage | |
| AT166032B (de) | Verfahren zur Verbesserung der Festigkeitswerte und zur Veränderung der Magnetisierungskurve von Dauermagneten | |
| DE591839C (de) | Verfahren zur Isolation von Magnetkernen, insbesondere Massekernen | |
| DE102014004513A1 (de) | Verfahren zur Herstellung eines Magneten auf RFeB-Basis | |
| DE877177C (de) | Verfahren zur Herstellung von Magnetkernen | |
| DE2536735A1 (de) | Zusammensetzung fuer permanentmagnete mit anteilen von seltenen erden und uebergangsmetallen und verfahren zur herstellung derartiger magnete | |
| DE815975C (de) | Anisotroper Dauermagnet | |
| AT155016B (de) | Verfahren zur Herstellung magnetischen Materials und magnetischer Kerne. | |
| DE504015C (de) | Verfahren zur Herstellung von Massekernen fuer Pupinspulen u. dgl. | |
| CH193452A (de) | Dauermagnet aus zerkleinertem Werkstoff. | |
| DE753093C (de) | Die Verwendung von magnetischen Eisen-Nickel-Legierungen | |
| DE700751C (de) | Verfahren zur Herstellung von Eisenpulver fuer Massekerne | |
| AT203735B (de) | Verfahren zur Herstellung eines weichmagnetischen Sinterkörpers | |
| DE940904C (de) | Eisenlegierung fuer Pulvereisenkerne fuer die Ton- und Hochfrequenztechnik | |
| DE1173196B (de) | Verfahren zur Herstellung eines weich-magnetischen Sinterkoerpers mit grosser Permeabilitaet und kleinen Wirbelstromverlusten | |
| DE700600C (de) | Verfahren zur Verbesserung der magnetischen Eigenschaften von Dauermagnetlegierungen | |
| AT213069B (de) | Verfahren zur Herstellung magnetisierbarer Kerne | |
| DE591840C (de) | Verfahren zur Herstellung von Massekernen | |
| AT264563B (de) | Verfahren zur pulvermetallurgischen Herstellung weichmagneticscher Werkstoff |