Figure 2.

Typical photographs of the heater at a) room temperature and b) ≈1500–3000 °C. c) The sample pellet sandwiched by two carbon heaters during UHS sintering. d) Schematic temperature profile of a UHS run. e) The typical temperature‐power profile of the carbon heater with a size of about 10 cm × 1 cm × 3 mm. f) The UHS sintering process at temperatures of ≈1000, ≈1500, ≈2000, and ≈3000 °C. g) Photographs of UHS‐sintered metals and alloys, including Cu, stainless steel, silicides such as MoSi₂ and Nb₅Si₃, and W.