Enhanced formulation of cobalt alloy matrix compositions

Details Enhanced formulation of cobalt alloy matrix compositions Enhanced formulation of cobalt alloy matrix compositions

2005-09-29

2009-02-24

King, Roy (Department: 1793)

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

C419S068000, C204S298130, C428S846000

Reexamination Certificate

active

07494617

ABSTRACT:
A method for manufacturing a single-element matrix cobalt-based granular media alloy composition formulated as Cof1-(MuOv)f2, M representing a base metal selected from the group consisting of magnesium (Mg), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), nickel (Ni), copper (Cu), zinc (Zn), aluminum (Al), silicon (Si), yttrium (Y), zirconium (Zr), niobium (Nb), molybdenum (Mo), ruthenium (Ru), indium (In), lanthanum (La), hafnium (Hf), tantalum (Ta), and tungsten (W), u and v representing the number of atoms of base metal M and oxygen (O) per oxide formula, respectively, and f1and f2being mole fractions represented by the equation f1+(u+v)f2=1. The method includes the steps of blending a Co-M master alloy powder and a Cou′Ov′powder into a corresponding (CoaM1−a)f1′-(Cou′Ov′)f2′formula, and densifying the blended powders.

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