momentarily generated in the gaps between powder materials by
electrical discharge at the beginning of ON-OFF DC pulse energizing. The large current
pulse energizing method generates: (1) spark plasma, (2) spark impact pressure, (3) Joule
heating, and (4) an electrical field diffusion effect. This sintering mechanism and mechanical
properties of SPS sintered compact show different characteristics compared to conventional
pressure assisted sintering processes. The process offers significant advantages with