Carbothermally reduced ceramic materials and method of making sa

Details Carbothermally reduced ceramic materials and method of making sa Carbothermally reduced ceramic materials and method of making sa

1988-02-03

1989-09-12

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 96, 501153, 423409, 423412, 423439, 423440, C04B 3552, C04B 3556, C04B 3558

Patent

active

048660124

ABSTRACT:
A method of forming a carbothermally reduced powder of nitrides or carbides is disclosed. The product powder consists principally of unagglomerated particles and is formed by providing a collection of precursor particles in colloidal dispersion, adding to the dispersion a polymerizable monomer, polymerizing the monomer to matrix the precursor particles in discrete, well dispersed positions and carbothermally reducing the particles followed by removing excess carbon by burning. The polymer matrix acts an an agglomerate-inhibiting carbon source during carbothermal reduction.

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