METHOD AND CHARGE MATERIALS FOR PRODUCING IRON AND TITANIUM BORIDES BASE COMPOSITE POWDER

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to powder metallurgy, in particular to a method u043fu043eu043bu0443u0447u0435u043du0438u00a0 powders on the basis of borides. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - reducing the cost of product with higher output. as the oxide is used u0442u0438u0442u0430u043du043eu043cu0430u0433u043du0435u0442u0438u0442u043eu0432u044bu0439 concentrate, with u0448u0438u0445u0442u0430 u0434u043bu00a0 u043fu043eu043bu0443u0447u0435u043du0438u00a0 atmosphere powder contains it.15 - 30%: u0442u0438u0442u0430u043du043eu043cu0430u0433u043du0435u0442u0438u0442u043eu0432u044bu0439 concentrate; u0431u043eu0440u043du0430u00a0 acid 50 - 52; carbon 18 - 35, to restore its u043fu0440u043eu043au0430u043bu0438u0432u0430u044eu0442 in air at 600 - 800 & deg; c, and the recovery of lead in vacuum e in the 1200 - 1300 & deg;.from the obtained composite powder, u0441u043eu0441u0442u043eu00a0u0449u0438u0439 of borides of iron and titanium carbide u0440u0435u0437u0441 iron u0441u0432u00a0u0437u043au043eu0439, which can be u043fu0440u0438u043cu0435u043du00a0u0442u044c u0434u043bu00a0 plasma and laser u043du0430u043fu044bu043bu0435u043du0438u00a0, as u0443u043fu0440u043eu0447u043du00a0u044eu0449u0438u0445 additives in the resilient material. 2. p. s - lu, 2 table. se