Ramming compositions

Rapid process for the preparation of diamond articles

Raw batch for making crack-free silicon carbide diffusion compon

Raw batch for producing reaction-bonded silicon carbide refracto

Reacting-bonded silicon carbide spheroids and process of making

Reaction processing of AlN/B.sub.4 C composites

Reaction sintered multiphase ceramic

Reaction synthesis of silicon carbide-boron nitride composites

Reaction-bonded silicon carbide refractory product

Refractories with a high content of alumina and the process for

Refractories with flaky .beta.-silicon carbide

Refractory cement

Refractory cement

Refractory compositions with binder

Refractory material and process for production of the same

Refractory materials formed from refractory grains bonded by a s

Refractory products formed by grains bound by carbon residues an

Reinforcement preform for metal matrix composites

Reservoir feed method of making ceramic composite structures and

Reverse reaction sintering of Si 3 N 4 /SiC composites