Fine powders and method for manufacturing

Details Fine powders and method for manufacturing Fine powders and method for manufacturing

1996-02-21

1999-03-02

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

427214, 427215, 427216, 427217, 427251, 427252, G23C 1606

Patent

active

058767932

ABSTRACT:
The invention relates to the encapsulation of Geldhart class C substrate powders with a coating of metal, binder, or sintering aid. Encapsulation is achieved using chemical vapor deposition techniques in a recirculating fast-fluidized or turbulent fluidization flow bed reactor. Thin, smooth, generally uniform, fully encapsulating coatings are produced on the fine substrate particles. The coated Geldhart class C particles, and products made therefrom, exhibit excellent improved physical properties.

REFERENCES:
Perry's Chemical Engineers' Handbook, Sixth Edition, Robert H. Perry Copyright 1962, 1969 by Robert H. Perry, pp. 20--58-20--61 (no month).
Fluidization, 2nd Edition, J.F. Davidson, R.Clift, D. Harrison, Chapter 7, Copyright 1985, (no month).

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