FERROMAGNETIC MATERIALS

This invention provides a ferromagnetic alloy M3Ga2-xAsx where 0.15 where iron is substituted by manganese or cobalt. In the composition range 0.85 B82-type. In the composition range 0.15 structure is changed such that a2 = 2a1 and c2 = c1 (where a1 and c1 are the a and c spacings of the B82 structu...

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Bibliographic Details
Main Authors HARRIS IVOR REX, COCKAYNE, BRIAN, MACEWAN, WILLIAM RITCHIE, SMITH, NIGEL ANDREW
Format Patent
LanguageEnglish
French
Published 16.01.1996
Edition6
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
INDUCTANCES
MAGNETS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:This invention provides a ferromagnetic alloy M3Ga2-xAsx where 0.15 where iron is substituted by manganese or cobalt. In the composition range 0.85 B82-type. In the composition range 0.15 structure is changed such that a2 = 2a1 and c2 = c1 (where a1 and c1 are the a and c spacings of the B82 structure and a2 and c2 are the a and c spacings of the new structure). The transition between the two lattice structures occurs within the composition range 0.75 substituted for arsenic) in the range 0.15 Temperature, Tc, of the alloy is shown to generally increase.
Bibliography:Application Number: CA19890598000