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US 5,501,747 AGranted
High strength iron-cobalt-vanadium alloy article
AssigneeCRS Holdings, Inc.
InventorsMillard S. Masteller, Douglas W. Dietrich
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AssigneeCRS Holdings, Inc.
InventorsMillard S. Masteller, Douglas W. Dietrich
Estimating the term…
A soft magnetic article is disclosed which is formed of an alloy consisting essentially of, in weight percent, about ______________________________________ C 0.003-0.02 Mn 0.10 max. Si 0.10 max. P 0.01 max. S 0.003 max. Cr 0.1 max. Ni 0.2 max. Mo 0.1 max. Co 48-50 V 1.8-2.2 Nb 0.15-0.5 N 0.004 max. O 0.006 max. ______________________________________ with the balance essentially iron. The article is annealed at a temperature of not more than 740.degree. C. (1364.degree. F.) for not more than about 4 hours and provides a room temperature yield strength of at least about 620 MPa (90 ksi) in the annealed condition. Among the disclosed embodiments of the annealed article according to this invention are a rotor and a stator for a rotating electrical machine such as a motor, generator, alternator or a magnetic bearing.
A magnetic article formed of an alloy consisting essentially of, in weight percent, about
A magnetic bearing comprising:
A rotor for a rotating electrical machine comprising a drum sized to enable the drum to be positioned within a central opening of a stator, said drum being formed of an alloy consisting essentially of, in weight percent, about
Dependencies are inferred from the claim text.