Research Article

Effects of Simulation-Guided Microwave Presintering Process on the Preparation and Final Properties of Pure Ceramic Rings: Lower Sintering Temperature and Higher Mechanical Properties

Figure 7

SEM images of four ceramic rings of group A obtained at different microwave sintering temperatures. (a) 1350°C, (b) 1400°C, (c) 1450°C, and (d) 1500°C.