fig3

Figure 3. SEM images of fractured surfaces of Al2O3-B ceramics with relative densities of (A) 78.76%, (B) 65.29%, and (C) 48.31%. The insets show the fractured surfaces with higher magnification.
Figure 3. SEM images of fractured surfaces of Al2O3-B ceramics with relative densities of (A) 78.76%, (B) 65.29%, and (C) 48.31%. The insets show the fractured surfaces with higher magnification.
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