Abstract
The trend towards electrification of combustion technologies is seeing, from the end of the 20th to the beginning of the 21st century, a sensible growth in a, for now, niche area of powder metallurgy, called field assisted sintering technologies (FAST). These technologies are characterized by the use, in an extensive way, of electromagnetic fields to activate the diffusion phenomena and drive sintering. They are also usually sensibly faster than conventional heat conduction-based techniques, hence their name. The latest, fastest, of these techniques is named electro-sinter-forging (ESF) or, for simplicity, e-forging and was developed in 2009 by the present author. The technique will be presented here with its peculiarities, advantages, disadvantages, and limitations.
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