Open Access
Review

Table 2

Characteristics of SPS and HP sintering [96].

  SPS Sintering HP Sintering
Temperature gradient sintering + ×
Grain boundary controlled sintering + ×
Fine crystalline structure controlled sintering + ×
Temperature rise rate + ×
Sintering time
 Temperature rise time Fast Slow
 Holding time Short Long
Homogenous sintering
Productivity + Δ
Investment in equipment Δ
Running cost + Δ

Excellent (+), Good (–), Fair (Δ), Difficult (×).

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