Method of preparing pressable powders of a transition metal carbide, iron group metal or mixtures thereof
AssigneeOMG Americas, Inc.
InventorDaniel F. Carroll
Life of this patent
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Abstract
A pressable powder is formed by a method comprising mixing, in essentially deoxygenated water, a first powder selected from the group consisting of a transition metal carbide and transition metal with an additional component selected from the group consisting of (i) a second powder comprised of a transition metal carbide, transition metal or mixture thereof; (ii) an organic binder and (iii) combination thereof and drying the mixed mixture to form the pressable powder, wherein the second powder is chemically different than the first powder. The pressable powder may then be formed into a shaped part and subsequently densified into a densified part, such as a cemented tungsten carbide.
Claims21
A method to prepare a pressable powder, the method comprises mixing, in essentially deoxygenated water, a first powder selected from the group consisting of a transition metal carbide and transition metal with an additional component selected from the group consisting of (i) a second powder comprised of a transition metal carbide, transition metal or mixture thereof;
- (ii) an organic binder and (iii) combination thereof and drying the mixed mixture to form the pressable powder, wherein the second powder is chemically different than the first powder.
A method of mixing a powder metal comprising mixing a powder metal selected from the group consisting of Co, Ni, Fe and mixtures thereof in deoxygenated water and subsequently drying the powder, wherein the oxygen pick up of the metal powder is not greater than when mixing in heptane.
Dependencies are inferred from the claim text.