Method of making metallic powders by aerosol thermolysis

Details Method of making metallic powders by aerosol thermolysis Method of making metallic powders by aerosol thermolysis

1997-05-21

1999-07-27

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Processes

Producing solid particulate free metal directly from liquid...

75338, 75351, 75361, B22F 924

Patent

active

059284056

ABSTRACT:
An economical process and associated hardware for commercial manufacture of controllable submicrometer size metallic powders for electronic and other applications. The method is based on the preparation of a stable high concentration precursor solution, production of a high density aerosol mist of the precursor solutions, selection of mist droplets with upper and lower size bounds, controlled drying of the droplets, their conversion to metallic powder in a high temperature gaseous atmosphere and the separation of the powders from carrier gases without significant loss inside the process hardware.

REFERENCES:
patent: 4023961 (1977-05-01), Douglas et al.
patent: 5429657 (1995-07-01), Glicksman et al.

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