Method for preparing mixture to be used for production of compos

Details Method for preparing mixture to be used for production of compos Method for preparing mixture to be used for production of compos

1986-03-25

1988-02-16

Childs, Sadie L.

Coating processes

Coating by vapor, gas, or smoke

427215, 427217, 427249, 427255, 4272552, 4272553, C23C 1630, C23C 1632

Patent

active

047254564

ABSTRACT:
Disclosed herein is a method for preparing a homogenized mixture of fine powders of heterogeneous substances or of fine powder and a fibrous component or whiskers, for use as a starting material in the production of a composite metallic material or a composite ceramic material. The invention utilizes chemical vapor deposition which ensures extremely high permeation into narrow spaces in producing whiskers or fine particles, the reaction product of the chemical vapor deposition, in the gaps between individual particles of fine powder or forming coated layers of the reaction product on the surfaces of powder particles to obtain a homogenized mixture of the fine powder and the reaction product.

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Bachem, "Deposition Process for Al.sub.x Ga.sub.1-x As", IBM Technical Disclosure Bulletin, vol. 19, No. 3, Aug. 1976.

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