Figure 2

SEM images of fracture surface of SiC performs sintered at different situations, (A) RS in vacuum at 1550 °C, (B) RS in vacuum at 1700 °C, (C) CS in air at 1200 °C, (D) CS in air at 1300 °C.
SEM images of fracture surface of SiC performs sintered at different situations, (A) RS in vacuum at 1550 °C, (B) RS in vacuum at 1700 °C, (C) CS in air at 1200 °C, (D) CS in air at 1300 °C.