GB612879A - Improvements in and relating to permanent magnets - Google Patents

Improvements in and relating to permanent magnets

Info

Publication number
GB612879A
GB612879A GB16980/46A GB1698046A GB612879A GB 612879 A GB612879 A GB 612879A GB 16980/46 A GB16980/46 A GB 16980/46A GB 1698046 A GB1698046 A GB 1698046A GB 612879 A GB612879 A GB 612879A
Authority
GB
United Kingdom
Prior art keywords
permanent magnets
relating
magnets made
hydrogen
heated
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
GB16980/46A
Other languages
English (en)
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 GB612879A publication Critical patent/GB612879A/en
Expired legal-status Critical Current

Links

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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
GB16980/46A 1946-02-15 1946-06-04 Improvements in and relating to permanent magnets Expired GB612879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR260191X 1946-02-15

Publications (1)

Publication Number Publication Date
GB612879A true GB612879A (en) 1948-11-18

Family

ID=8884959

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16980/46A Expired GB612879A (en) 1946-02-15 1946-06-04 Improvements in and relating to permanent magnets

Country Status (5)

Country Link
US (1) US2534178A (xx)
CH (1) CH260191A (xx)
DE (1) DE886012C (xx)
GB (1) GB612879A (xx)
NL (1) NL72478C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068394B (xx) * 1959-11-05
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NL72478C (xx)
CH260191A (fr) 1949-02-28
DE886012C (de)
US2534178A (en) 1950-12-12

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