GB1089746A - Ferromagnetic compounds - Google Patents

Ferromagnetic compounds

Info

Publication number
GB1089746A
GB1089746A GB21808/65A GB2180865A GB1089746A GB 1089746 A GB1089746 A GB 1089746A GB 21808/65 A GB21808/65 A GB 21808/65A GB 2180865 A GB2180865 A GB 2180865A GB 1089746 A GB1089746 A GB 1089746A
Authority
GB
United Kingdom
Prior art keywords
crucible
mixture
zdyz
gd2sb
gd2bi
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
GB21808/65A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1089746A publication Critical patent/GB1089746A/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
    • H01F1/40—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials of magnetic semiconductor materials, e.g. CdCr2S4
    • 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
    • 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
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/047—Making non-ferrous alloys by powder metallurgy comprising intermetallic compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • 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
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0306—Metals or alloys, e.g. LAVES phase alloys of the MgCu2-type
    • 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
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Magnetic Ceramics (AREA)
  • Powder Metallurgy (AREA)

Abstract

Alloys having the molar composition Gd2Bi, Gd2Sb, Dy2Sb, (Gd1- z Dyz)2 Sb Gd2(Sb1- x Bix), and (Gd1- z Dyz)2 (Sb1- x Bix), are prepared by mixing the finely divided elemented constituents in the required ratios, and heating the mixture in a sealed crucible in the absence of O2 to a temperature of at least 1300 DEG C. The rare earth metal may be comminuted in a dry O2 - free atmosphere, and the mixture pressed into pellets. The crucible may be heated in a quartz R. F. induction heater, in vacuo or in He. A futher heat treatment may be necessary to achieve a single phase product. In specific examples, the compositions Gd2 Bi0.6, Sb0.4 Gd Dy Sb, and Gd1.4 Dy0.6 Bi0.5 Sb0.5 were produced. produced.ALSO:Compounds of formula Gd2Bi, Gd2Sb, and Dy2Sb, and solid solutions thereof, are prepared by mixing the finely-divided elemental constituents in the required molar ratios, and heating the mixture in a sealed crucible in the absence of O2 to a temperature of at least 1300 DEG C. The rare earth metal may be comminuted in a dry O2-free atmosphere, and the mixture pressed into pellets. The crucible may be heated in a quartz R.F. induction heater, in vacuo or in He. The solid solutions are given the formulae (Gd1- zDyz)2Sb, Gd2(Sb1- xBix), and (Gd1- zDyz)2(Sb1- xBix). A further heat treatment may be necessary to achieve a single-phase product.
GB21808/65A 1964-08-31 1965-05-24 Ferromagnetic compounds Expired GB1089746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US393388A US3342591A (en) 1964-08-31 1964-08-31 Ferromagnetic compounds and method of preparation

Publications (1)

Publication Number Publication Date
GB1089746A true GB1089746A (en) 1967-11-08

Family

ID=23554490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21808/65A Expired GB1089746A (en) 1964-08-31 1965-05-24 Ferromagnetic compounds

Country Status (6)

Country Link
US (1) US3342591A (en)
AT (1) AT261239B (en)
CH (1) CH449271A (en)
DE (1) DE1483245A1 (en)
GB (1) GB1089746A (en)
NL (1) NL6511066A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0498613A1 (en) * 1991-02-05 1992-08-12 Kabushiki Kaisha Toshiba Regenerative materials

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6608335A (en) * 1966-06-16 1967-12-18
NL6700998A (en) * 1967-01-21 1968-07-22
US3540945A (en) * 1967-06-05 1970-11-17 Us Air Force Permanent magnets
DE2911992C2 (en) * 1979-03-27 1981-12-10 Philips Patentverwaltung Gmbh, 2000 Hamburg Magneto-optic memory element, process for its manufacture and memory device using it
US4367257A (en) * 1980-04-16 1983-01-04 Fuji Photo Film Co., Ltd. Thin magnetic recording medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128672B (en) * 1956-02-14 1962-04-26 Treibacher Chemische Werke Ag Pyrophoric alloys
US3102002A (en) * 1960-03-25 1963-08-27 Univ Pittsburgh Ferromagnetic materials prepared from lanthanons and transition metals
US3141235A (en) * 1963-04-11 1964-07-21 William H Lenz Powdered tantalum articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0498613A1 (en) * 1991-02-05 1992-08-12 Kabushiki Kaisha Toshiba Regenerative materials
US5269854A (en) * 1991-02-05 1993-12-14 Kabushiki Kaisha Toshiba Regenerative material

Also Published As

Publication number Publication date
CH449271A (en) 1967-12-31
DE1483245A1 (en) 1969-09-18
AT261239B (en) 1968-04-10
NL6511066A (en) 1966-03-01
US3342591A (en) 1967-09-19

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