METHOD OF PRODUCING ULTRA-DISPERSED TITANIUM CARBIDE POWDER

摘要

FIELD: metallurgy.SUBSTANCE: water solution of titanyl sulphate is neutralized to pH 10-12 by solution of ammonia/sodium hydroxide in the presence of soot to get the powder. The latter is compacted and processed by microwave radiation at the frequency of 2450-3000 MHz and power of 700-1200 W in argon flow at the rate of 7-8 l/h in three steps: at first step - at the rate of 15°C/min to 500°C, at second step - at the rate of 10°C/min to 700°C, and at third step - at the rate of 5°C/min to 1300°C and with holding for 60-70 min.EFFECT: ultrafine powder of titanium carbide with particle size of about 250 nm.2 cl, 3 dwg, 1 tbl, 2 ex