CH471443A - Permanentmagnet auf Strontiumferritbasis und Verfahren zu seiner Herstellung - Google Patents

Permanentmagnet auf Strontiumferritbasis und Verfahren zu seiner Herstellung

Info

Publication number
CH471443A
CH471443A CH77364A CH77364A CH471443A CH 471443 A CH471443 A CH 471443A CH 77364 A CH77364 A CH 77364A CH 77364 A CH77364 A CH 77364A CH 471443 A CH471443 A CH 471443A
Authority
CH
Switzerland
Prior art keywords
manufacture
permanent magnet
strontium ferrite
based permanent
strontium
Prior art date
Application number
CH77364A
Other languages
English (en)
Inventor
Cochardt Alexander Ing Dr
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of CH471443A publication Critical patent/CH471443A/de

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
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Hard Magnetic Materials (AREA)
CH77364A 1963-01-25 1964-01-23 Permanentmagnet auf Strontiumferritbasis und Verfahren zu seiner Herstellung CH471443A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC28989A DE1300052B (de) 1963-01-25 1963-01-25 Verfahren zur Herstellung eines Ferrit-Dauermagneten hoher Koerzitivkraft

Publications (1)

Publication Number Publication Date
CH471443A true CH471443A (de) 1969-04-15

Family

ID=7018823

Family Applications (1)

Application Number Title Priority Date Filing Date
CH77364A CH471443A (de) 1963-01-25 1964-01-23 Permanentmagnet auf Strontiumferritbasis und Verfahren zu seiner Herstellung

Country Status (4)

Country Link
US (1) US3371044A (de)
CH (1) CH471443A (de)
DE (1) DE1300052B (de)
GB (1) GB1028133A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1646885A1 (de) * 1966-08-31 1971-08-05 Philips Patentverwaltung Verfahren zur Herstellung von Bindemittel-Dauermagneten aus Ferrit
IT938725B (it) * 1970-11-07 1973-02-10 Magnetfab Bonn Gmbh Procedimento e dispositivo per otte nere disegni in strati superficiali per mezzo di campi magnetici
JPS54516B1 (de) * 1971-04-26 1979-01-11
NL7412288A (nl) * 1974-09-17 1976-03-19 Philips Nv Werkwijze ter vervaardiging van een magneet- lichaam.
US4120806A (en) * 1976-08-30 1978-10-17 Dowa Mining Co., Ltd. Hexagonal-system ferrite powder, composite plastic-ferrite magnet comprising same and process for production thereof
CH604342A5 (de) * 1976-10-04 1978-09-15 Bbc Brown Boveri & Cie
US4247500A (en) * 1979-12-07 1981-01-27 Bell Telephone Laboratories, Incorporated Fabrication of ferrite material
JPS5972104A (ja) * 1982-10-19 1984-04-24 Toshiba Corp 磁性体粉末
US4699771A (en) * 1984-05-14 1987-10-13 Kabushiki Kaisha Toshiba Magnetic recording powder, method of manufacturing thereof and application thereof
US4824587A (en) * 1985-03-18 1989-04-25 The Dow Chemical Company Composites of coercive particles and superparamagnetic particles
US4762864A (en) * 1986-06-19 1988-08-09 Ashland Oil Inc. High performance induction curable two-component structural adhesive with nonsagging behavior
JPH03201508A (ja) * 1989-12-28 1991-09-03 Sankyo Seiki Mfg Co Ltd 樹脂結合型磁石の製造方法
US6799965B1 (en) * 2002-10-04 2004-10-05 Vincent R. Gaudioso Candle flame extinguisher
USD946393S1 (en) * 2019-03-14 2022-03-22 Joseph E. Boyanich Securing apparatus for hand grinder tool
CN113526605B (zh) * 2021-07-09 2022-10-14 天津大学 基于磁性超疏水多孔海绵的水面浮油连续吸附装置与方法
CN116283267B (zh) * 2023-04-04 2024-06-04 宜宾四川大学产业技术研究院 利用稀土尾矿中的回收物制备稀土复合永磁铁氧体的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969727C (de) * 1943-04-30 1958-07-10 Siemens Ag Verfahren zur Vergluehtbearbeitung von Gegenstaenden aus keramischen Massen
GB740775A (en) * 1952-05-14 1955-11-16 Centre Nat Rech Scient Improvements in methods of making permanent magnets
DE1017298B (de) * 1953-03-06 1957-10-10 Siemens Ag Verfahren zur Herstellung einer ferromagnetischen, elektrisch nichtleitenden Schicht auf Traegerunterlagen
US3002930A (en) * 1956-12-03 1961-10-03 Philips Corp Process of making a ferromagnetic body
US2964793A (en) * 1957-11-13 1960-12-20 Leyman Corp Method of making permanent magnets
BE563232A (de) * 1958-02-26
US2999275A (en) * 1958-07-15 1961-09-12 Leyman Corp Mechanical orientation of magnetically anisotropic particles
DE1091025B (de) * 1959-08-29 1960-10-13 Werk Fuer Bauelemente Der Nach Verfahren zur Herstellung von Ferritbauelementen
US3115461A (en) * 1960-09-21 1963-12-24 Maxson Electronics Corp Process for the treatment of ferrite slugs
NL131078C (de) * 1960-10-18
US3246060A (en) * 1963-04-01 1966-04-12 Leyman Corp Method of making machinable high energy permanent magnets

Also Published As

Publication number Publication date
GB1028133A (en) 1966-05-04
US3371044A (en) 1968-02-27
DE1300052B (de) 1969-07-24

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Legal Events

Date Code Title Description
PL Patent ceased