Metal powder contaminant removal
OwnerSean C. Emerson, Sergei F. Burlatsky +4inventors
InventorsSean C. Emerson, Sergei F. Burlatsky, Haralambos Cordatos, Zissis A. Dardas, Scott B. Daskiewich, Ying She
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Abstract
A method for separating contaminants from metal alloy powder, includes subjecting a mixture of the metal alloy powder and the contaminants sequentially to at least two methods selected from the group consisting of mechanical separation; electrostatic separation; washing with solvent, acid or base; subjecting to heat; fluidized bed treatment and aerodynamic separation. A number of specific combinations of steps are disclosed.
Claims20
A method for separating contaminants from metal alloy powder, comprising subjecting a mixture of the metal alloy powder and the contaminants sequentially to at least two methods selected from the group consisting of mechanical separation;
- electrostatic separation;
- washing with solvent, acid or base;
- subjecting to heat;
- fluidized bed treatment and aerodynamic separation.
Dependencies are inferred from the claim text.