Method for producing wear-resistant ferrous sintered metal containing high amounts of titanium carbide grains and carbon particles

摘要

A sintered graphite-containing ferrous-titanium carbide composition is provided which is produced by a liquid phase sintering process, wherein a powder composition comprising a mixture of iron, titanium (e.g. ferro-titanium), cast iron and carbon is pressed into a compact and the compact then heated to above the melting point of the cast iron such that the carbon in the melt reacts with the titanium to form titanium carbide, the amount of carbon being also sufficient to form graphite, such that on cooling, a metallographic structure is obtained comprised of fine grains of precipitated titanium carbide dispersed in a ferrous matrix which also contains precipitated particles of graphite.