Abstract
1. A mixture whose alloy component is of 180- to 315-μ particle size possesses optimum alloying properties. Use of such a mixture enables the mechanical characteristics of parts from sintered materials to be improved by 15–20%. 2. The addition of 1.5–2.0% of carbon to a starting material reduces the diffusional mobility of impregnating elements in the surface layers of parts, as a result of which coherent, nonporous layers are formed composed of Me23C6 and Me7C3 carbides. 3. Diffusion alloying with a group of elements substantially increases the strength and oxidation and corrosion resistance of sintered materials.
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