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US 6,685,882 B2Granted
Iron-cobalt-vanadium alloy
AssigneeChrysalis Technologies Incorporated
InventorsSeetharama C. Deevi, Rangaraj S. Sundar, Dwadasi H. Sastry
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Abstract
A high strength soft magnetic Fe−Co−V alloy, comprising, in weight %, (Fe+Co)≧88%, (Fe−Co)≧2% or (Co−Fe)≧2%, at least 30% Co, and satisfying one of the following three conditions: (1) 0.05 to 4% Mo and 1.5 to 10% V, or (2) (Fe−Co) or (C0−Fe)≦13 and at least 4% V, or (3) at least 7% V. Additional alloying constituents, including B, C, Nb, Ti, W and Ni can be present.
Claims23
A high strength soft magnetic Fe−Co−V alloy, comprising, in weight %,
- (Fe+Co)≧88%,
- (Fe−Co)≧2% or (Co−Fe)≧2%,
- at least 30% Co, and satisfying the following condition:
- (1) 0.05 to 4% Mo and 1.5 to 10% V, and optionally satisfying the following condition:
- (2) (Fe−Co)≦13 or (Co−Fe)≦13, 0.001 to 0.3% B and at least 4% V.
2 more elements
A high strength soft magnetic Fe−Co−V alloy, comprising, in weight %,
- (Fe+Co)≧88%,
- (Fe−Co)≧2% or (Co−Fe)≧2%,
- at least 30% Co, and satisfying one or more of the following two conditions:
- (1) 0.05 to 4% Mo and 1.5 to 10% V, or
- (2) (Fe−Co)≦13 or (Co−Fe)≦13, 0.001 to 0.3% B and at least 4% V;
- and
- wherein the alloy includes 0.0005 to 0.3% B, 0.005 to 0.3% C, 0.05 to 2% Mo, 0.05 to 2% Nb, 0.05 to 2% W, and 0.05 to 2% Ni.
4 more elements
Dependencies are inferred from the claim text.