摘要 |
The novel hardfacing compositions are sintered tungsten carbide granules in an alloy steel matrix, the granules consisting of grains of monotungsten carbide cemented together with a number of novel binders - iron, nickel, alloys of the three iron group metals and metallic alloys including at least one iron group metal and at least one metal outside such group. Also disclosed are granules comprising a mixture of monotungsten carbide and ditungsten carbide cemented together with a metallic binder, preferably iron. |