Method for preparing coated powder

Details Method for preparing coated powder Method for preparing coated powder

1984-04-20

1986-02-25

Wallen, Thomas

Coating processes

Solid particles or fibers applied

427212, 427215, 501 88, 501 89, 501 90, 501100, 419 35, 419 63, 419 64, 428570, B05D 112, C04B 3552, C04B 3556

Patent

active

045728445

ABSTRACT:
There is disclosed a method for preparing a coated powder comprising the steps of adding a carbon powder and an aluminum nitride powder to a methylsilicic acid powder or a precursor of the methylsilicic acid and mixing them and then subjecting the resulting mixed powder to a heat treatment in an atmosphere including an inert gas or a carbon component-containing gas in order to coat the aluminum nitride powder with silicon carbide.
This invention provides a chemically stable coated powder and a sintered body obtained by employing the coated powder has a good thermal conductivity.

REFERENCES:
patent: 4011064 (1977-03-01), Lee et al.
patent: 4218507 (1980-08-01), Deffeyes et al.
patent: 4492730 (1985-01-01), Kaisha

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