Abstract

1. The addition of iron powder to ground cast-iron swarf widens the sintering temperature range of components. 2. The addition of up to 30% of ground cast-iron swarf to an iron-powder charge enables dense materials (of 0–4% porosity) to be produced exhibiting high mechanical properties. 3. A substantial increase in the hardness and mechanical properties of sintered parts produced from a mixture of castiron and iron powders can be obtained by additionally alloying the charge with 0.1–0.4% each of graphite and manganese.

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