Figure 4.
SEM images of the mullite–cordierite composite sintered at 1300 °C: (a) M:C = 0:100, (b) M:C = 30:70, (c) M:C = 50:50, (d) M:C = 70:30, (e) M:C = 90:10, and (f) M:C = 100:0.
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