Ceramic production process

摘要

PCT No. PCT/NZ95/00050 Sec. 371 Date Apr. 28, 1997 Sec. 102(e) Date Apr. 28, 1997 PCT Filed Jun. 6, 1995 PCT Pub. No. WO95/33700 PCT Pub. Date Dec. 14, 1995A process for the production of O'-SIALON ceramics from silicon metal, nitrogen and clay, the process comprising heating the silicon metal and the clay in a flowing nitrogen atmosphere to a temperature sufficient to react the components to form O'-SIALON and wherein the clay participates in the reaction as a source of aluminum and silicon.