DE1031771B - Verfahren zur Gewinnung von im wesentlichen aus metallischen Eisenteilchen bestehenden Eisenpulvern, die zur Herstellung permanenter Magnete geeignet sind - Google Patents

Verfahren zur Gewinnung von im wesentlichen aus metallischen Eisenteilchen bestehenden Eisenpulvern, die zur Herstellung permanenter Magnete geeignet sind

Info

Publication number
DE1031771B
DE1031771B DES33461A DES0033461A DE1031771B DE 1031771 B DE1031771 B DE 1031771B DE S33461 A DES33461 A DE S33461A DE S0033461 A DES0033461 A DE S0033461A DE 1031771 B DE1031771 B DE 1031771B
Authority
DE
Germany
Prior art keywords
iron
oxide
alkaline earth
mixture
production
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
Application number
DES33461A
Other languages
German (de)
English (en)
Inventor
Nigel Conrad Tombs
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.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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 Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Publication of DE1031771B publication Critical patent/DE1031771B/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H01F1/04—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 metals or alloys
    • H01F1/06—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 metals or alloys in the form of particles, e.g. powder
    • H01F1/065—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 metals or alloys in the form of particles, e.g. powder obtained by a reduction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
DES33461A 1952-05-22 1953-05-18 Verfahren zur Gewinnung von im wesentlichen aus metallischen Eisenteilchen bestehenden Eisenpulvern, die zur Herstellung permanenter Magnete geeignet sind Pending DE1031771B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1302352A GB726264A (en) 1952-05-22 1952-05-22 Improvements in or relating to the preparation of ferrous powders suitable for the manufacture of permanent magnets

Publications (1)

Publication Number Publication Date
DE1031771B true DE1031771B (de) 1958-06-12

Family

ID=10015397

Family Applications (1)

Application Number Title Priority Date Filing Date
DES33461A Pending DE1031771B (de) 1952-05-22 1953-05-18 Verfahren zur Gewinnung von im wesentlichen aus metallischen Eisenteilchen bestehenden Eisenpulvern, die zur Herstellung permanenter Magnete geeignet sind

Country Status (4)

Country Link
DE (1) DE1031771B (enrdf_load_html_response)
FR (1) FR1076496A (enrdf_load_html_response)
GB (1) GB726264A (enrdf_load_html_response)
NL (2) NL178480B (enrdf_load_html_response)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935394A (en) * 1956-04-16 1960-05-03 Commw Engineering Corp Method and apparatus for producing micron and sub-micron metals
US2879154A (en) * 1956-10-02 1959-03-24 Franklin Inst Of The State Of Acicular metal particles and method of making the same
EP3802893A4 (en) 2018-05-30 2022-03-02 Hela Novel Metals LLC Methods for the production of fine metal powders from metal compounds
CN117658645A (zh) * 2022-08-26 2024-03-08 横店集团东磁股份有限公司 一种永磁铁氧体用高硅铁红中硅杂质的去除方法及使用高硅铁红制备永磁铁氧体的方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR1076496A (fr) 1954-10-27
NL85333C (enrdf_load_html_response)
GB726264A (en) 1955-03-16
NL178480B (nl)

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