Method of adding particulate additives to metal particles

Details Method of adding particulate additives to metal particles Method of adding particulate additives to metal particles

1994-12-16

1995-12-05

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder pretreatment

419 5, 419 10, 419 30, 419 35, 419 38, 419 61, 75255, 428546, 428551, B22F 102, B22F 300

Patent

active

054726611

ABSTRACT:
Method of distributing and retaining insoluble additive particles uniformly throughout a mass of moldable metal particles. The additive particles are suspended in a solution of a polymeric binder and spray-coated onto the metal particles. When the solvent evaporates, the additives remain glued to the metal particles by the binder.

REFERENCES:
patent: 4696725 (1987-09-01), Ochiai et al.
patent: 5173206 (1992-12-01), Dickens, Jr. et al.
patent: 5211896 (1993-05-01), Ward et al.
patent: 5271891 (1993-12-01), Gay et al.
patent: 5272008 (1993-12-01), Shain et al.
patent: 5395695 (1995-03-01), Shain et al.

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