Abstract
In the last decade, powder metallurgy (P/M) technology has made marked advances in competitive manufacturing. P/M offers design opportunities that are not possible with other methods, as well as significant cost savings. The processing parameters, material characteristics, individual stages of parts production, deformation and densification mechanics and tooling, and preform design influence the properties of the P/M part and related economics. Therefore, a review of the various parameters involved in the different stages of P/M steel forging in net-shape manufacturing and their implications on resulting properties of P/M parts is presented in a three-part review. Part I discusses the stages of preparing a sintered compact, and Part II identifies key parameters in forging the sintered compact that influence the properties of the powder forged part. Part III reviews the different analysis methods available to study P/M processing.
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