ES363008A1 - Manufacture of permanent magnets - Google Patents

Manufacture of permanent magnets

Info

Publication number
ES363008A1
ES363008A1 ES363008A ES363008A ES363008A1 ES 363008 A1 ES363008 A1 ES 363008A1 ES 363008 A ES363008 A ES 363008A ES 363008 A ES363008 A ES 363008A ES 363008 A1 ES363008 A1 ES 363008A1
Authority
ES
Spain
Prior art keywords
melt
ingot
permanent magnets
heating
manufacture
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
ES363008A
Other languages
Spanish (es)
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.)
Inco Ltd
Original Assignee
Inco Ltd
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 Inco Ltd filed Critical Inco Ltd
Publication of ES363008A1 publication Critical patent/ES363008A1/en
Expired 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
    • H01F1/032—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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/023—Alloys based on nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

An ingot having a columnar crystal structure is made of an alloy consisting of Al 6-11% Ni 7-25% Co 20-55% Ti 1-6À5% Cu 0-10% Nb 0-4% Fe (at least 13%) balance except for C and impurities, by forming a melt of the constituents except Ti and Al and including in it C 0À01-0À25%, subjecting the melt to vacuum, adding the Ti and Al, holding the melt under vacuum for at least 2 minutes, and then casting in an ingot mould with a bottom chill. The initial melting and the Ti and Al additions are preferably effected under an inert gas. Permanent magnets may be made of the columnar portion of the ingot by solution-heating (e.g. at 1275 C.), rapid cooling (e.g. in oil), heating in a magnetic field (e.g. at 799 , 812 or 820 C.), and ageing (e.g. at 590 and then 560 C.).
ES363008A 1968-01-30 1969-01-28 Manufacture of permanent magnets Expired ES363008A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB480068A GB1204785A (en) 1968-01-30 1968-01-30 Manufacture of permanent magnets

Publications (1)

Publication Number Publication Date
ES363008A1 true ES363008A1 (en) 1970-12-16

Family

ID=9784038

Family Applications (1)

Application Number Title Priority Date Filing Date
ES363008A Expired ES363008A1 (en) 1968-01-30 1969-01-28 Manufacture of permanent magnets

Country Status (7)

Country Link
BE (1) BE727678A (en)
DE (1) DE1903977A1 (en)
ES (1) ES363008A1 (en)
FR (1) FR2001001A1 (en)
GB (1) GB1204785A (en)
NL (1) NL6901345A (en)
SE (1) SE344474B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103484724B (en) * 2013-09-06 2016-03-23 杭州科德磁业有限公司 A kind of permanent magnet and preparation method thereof

Also Published As

Publication number Publication date
DE1903977A1 (en) 1969-09-11
SE344474B (en) 1972-04-17
BE727678A (en) 1969-07-30
FR2001001A1 (en) 1969-09-19
NL6901345A (en) 1969-08-01
GB1204785A (en) 1970-09-09

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