Rare earth-iron-boron premanent magnets
Patent
·
OSTI ID:6790377
This patent describes a method for producing rare earth-iron-boron permanent magnets containing added rare earth oxide, comprising the steps of: (a) mixing a particulate alloy containing at least one rare earth metal, iron, and boron with at least one particulate rare earth oxide; (b) aligning magnetic domains of the mixture in a magnetic field; (c) compacting the aligned mixture to form a shape; and (d) sintering the compacted shape.
- Assignee:
- Union Oil Co. of Calif., Los Angeles, CA
- Patent Number(s):
- US 4762574
- OSTI ID:
- 6790377
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101 -- Metals & Alloys-- Preparation & Fabrication
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALLOYS
BORON ALLOYS
CHALCOGENIDES
COMPACTING
FABRICATION
IRON ALLOYS
MAGNETIC FIELDS
MAGNETS
OXIDES
OXYGEN COMPOUNDS
PERMANENT MAGNETS
RARE EARTH ALLOYS
RARE EARTH COMPOUNDS
SINTERING
360101 -- Metals & Alloys-- Preparation & Fabrication
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALLOYS
BORON ALLOYS
CHALCOGENIDES
COMPACTING
FABRICATION
IRON ALLOYS
MAGNETIC FIELDS
MAGNETS
OXIDES
OXYGEN COMPOUNDS
PERMANENT MAGNETS
RARE EARTH ALLOYS
RARE EARTH COMPOUNDS
SINTERING