DE2143718C3 - Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten - Google Patents

Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten

Info

Publication number
DE2143718C3
DE2143718C3 DE2143718A DE2143718A DE2143718C3 DE 2143718 C3 DE2143718 C3 DE 2143718C3 DE 2143718 A DE2143718 A DE 2143718A DE 2143718 A DE2143718 A DE 2143718A DE 2143718 C3 DE2143718 C3 DE 2143718C3
Authority
DE
Germany
Prior art keywords
sintering
ions
oxidizing atmosphere
substituted
thermal treatment
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
Application number
DE2143718A
Other languages
German (de)
English (en)
Other versions
DE2143718A1 (de
DE2143718B2 (de
Inventor
Friedrich Jos. Dr. 7250 Leonberg Esper
Gerhard Dr. 7000 Stuttgart Kaiser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE2143718A priority Critical patent/DE2143718C3/de
Priority to AT715072A priority patent/AT329291B/de
Priority to GB3908972A priority patent/GB1364953A/en
Priority to CH1210972A priority patent/CH568644A5/xx
Priority to US00283702A priority patent/US3846323A/en
Priority to FR7231024A priority patent/FR2151065B1/fr
Priority to JP47086752A priority patent/JPS4835398A/ja
Priority to NL7211869A priority patent/NL7211869A/xx
Priority to IT28669/72A priority patent/IT964392B/it
Priority to SE7211283A priority patent/SE388068B/xx
Publication of DE2143718A1 publication Critical patent/DE2143718A1/de
Publication of DE2143718B2 publication Critical patent/DE2143718B2/de
Application granted granted Critical
Publication of DE2143718C3 publication Critical patent/DE2143718C3/de
Expired legal-status Critical Current

Links

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

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)
  • Magnetic Ceramics (AREA)
  • Compounds Of Iron (AREA)
DE2143718A 1971-09-01 1971-09-01 Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten Expired DE2143718C3 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE2143718A DE2143718C3 (de) 1971-09-01 1971-09-01 Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten
AT715072A AT329291B (de) 1971-09-01 1972-08-18 Verfahren zur herstellung von dauermagnet-werkstoffen
GB3908972A GB1364953A (en) 1971-09-01 1972-08-22 Sintered permanent magnet materials
CH1210972A CH568644A5 (Direct) 1971-09-01 1972-08-22
US00283702A US3846323A (en) 1971-09-01 1972-08-25 Process for making a permanent magnet material
JP47086752A JPS4835398A (Direct) 1971-09-01 1972-08-31
FR7231024A FR2151065B1 (Direct) 1971-09-01 1972-08-31
NL7211869A NL7211869A (Direct) 1971-09-01 1972-08-31
IT28669/72A IT964392B (it) 1971-09-01 1972-08-31 Procedimento per fabbricare un materiale per magneti permanenti
SE7211283A SE388068B (sv) 1971-09-01 1972-08-31 Sett att framstella ett permanentmagnetmaterial pa basis av ferriter av barium och/eller strontium samt ev. av bly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2143718A DE2143718C3 (de) 1971-09-01 1971-09-01 Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten

Publications (3)

Publication Number Publication Date
DE2143718A1 DE2143718A1 (de) 1973-03-08
DE2143718B2 DE2143718B2 (de) 1977-12-15
DE2143718C3 true DE2143718C3 (de) 1978-08-17

Family

ID=5818335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2143718A Expired DE2143718C3 (de) 1971-09-01 1971-09-01 Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten

Country Status (10)

Country Link
US (1) US3846323A (Direct)
JP (1) JPS4835398A (Direct)
AT (1) AT329291B (Direct)
CH (1) CH568644A5 (Direct)
DE (1) DE2143718C3 (Direct)
FR (1) FR2151065B1 (Direct)
GB (1) GB1364953A (Direct)
IT (1) IT964392B (Direct)
NL (1) NL7211869A (Direct)
SE (1) SE388068B (Direct)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314675B2 (Direct) * 1973-07-27 1978-05-19
JPS5364797A (en) * 1976-11-24 1978-06-09 Tdk Corp Rubber, plastic magnet and magnetic powder for them
DE3265738D1 (en) * 1981-04-07 1985-10-03 Lucas Ind Plc Oxygen sensors
US5167559A (en) * 1991-05-14 1992-12-01 Power Fardy Stephen N Mechanized brim/visor display device
US8834738B2 (en) * 2009-07-08 2014-09-16 Tdk Corporation Ferrite magnetic material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900344A (en) * 1953-07-29 1959-08-18 Philips Corp Making anisotropic permanent magnets
BE537450A (Direct) * 1954-04-20
GB1216675A (en) * 1967-06-02 1970-12-23 Lucas Industries Ltd Permanent magnet material having strontium ferrite base

Also Published As

Publication number Publication date
IT964392B (it) 1974-01-21
ATA715072A (de) 1975-07-15
CH568644A5 (Direct) 1975-10-31
AT329291B (de) 1976-05-10
US3846323A (en) 1974-11-05
GB1364953A (en) 1974-08-29
FR2151065A1 (Direct) 1973-04-13
DE2143718A1 (de) 1973-03-08
JPS4835398A (Direct) 1973-05-24
FR2151065B1 (Direct) 1976-05-21
NL7211869A (Direct) 1973-03-05
SE388068B (sv) 1976-09-20
DE2143718B2 (de) 1977-12-15

Similar Documents

Publication Publication Date Title
DE977105C (de) Verwendung von Polyoxyden auf Eisenoxydbasis als dauermagnetisches Material
EP0200126B1 (de) Verfahren zur Herstellung eines spannungsabhängigen keramischen Widerstandes auf der Basis von ZnO
DE2456050A1 (de) Verfahren zur herstellung ferroelektrischer keramiken
DE2308073B2 (de) Keramischer elektrischer widerstandskoerper mit positivem temperaturkoeffizienten des elektrischen widerstandswertes und verfahren zu seiner herstellung
DE2143718C3 (de) Verfahren zur Herstellung von Dauermagnetwerkstoffen aus Ferriten
DE19922955C2 (de) Piezoelektrische Keramikzusammensetzung
DE1671035C2 (de) Ferromagnetisch hochpermeabler Mangan-Zink-Ferritkern mit großer zeitlicher und thermischer Konstanz der Anfangspermeabilität und Verfahren zu dessen Herstellung
DE69508555T2 (de) Sinterformkörper aus hexagonalem ferrit
DE975187C (de) Halbleiter aus ferromagnetischen Sintermassen
DE2507395A1 (de) Verfahren zur herstellung ferroelektrischer keramikmaterialien
DE1646686B1 (de) Verbesserte mangan-zink-ferritkerne
DE2917602A1 (de) Weicher lithium-titan-zinkferrit und damit arbeitendes magnetisches ablenkglied
DE1239606B (de) Verfahren zur Herstellung von ferromagnetischen Kernen mit weitgehend rechteckfoermiger Hysteresisschleife
DE1796233B1 (de) Piezoelektrische keramiken
DE4307804A1 (de) Piezokeramischer Werkstoff mit großer piezoelektrischer Aktivität und hoher Dielektrizitätszahl
DE2920192C2 (de) Verfahren zur Herstellung von Lithiumferriten
DE1571285B1 (de) Speicherkern aus lithiumferrit und verfahren zu seiner herstellung
DE958996C (de) Verfahren zur Herstellung ferromagnetischer, gegebenenfalls geformter Massen
DE1950317B2 (de) Piezoelektrische keramik
DE808851C (de) Elektrischer Widerstand
DE3611851A1 (de) Piezoaleketrische keramische zusammensetzung
DE1446985C (de) Ferromagnetisches Stoffgemisch
DE1917009C3 (de) Verfahren zur Herstellung von Mangan-Zink-Ferriten
DE1771974C (de) Ferritmaterial
DE1646815B2 (de) Ferroelektrische keramik und verfahren zu ihrer herstellung

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EF Willingness to grant licences
8339 Ceased/non-payment of the annual fee