| 摘要 |
<p>A method of producing a ferrous-based metal article by a powder metallurgy route is described, the method comprises the steps of preparing a mixture of powder constituents having a desired overall chemical composition, compacting said powder mixture and sintering said compacted powder mixture, the method being characterised by the step of providing the mixture with up to 30 weight % thereof of a metal powder derived from the residue of a material removal process for articles produced by chill-casting of cast iron material which contains from 2 to 7 weight % of carbon.</p> |
