Research Article

Preparation, Microstructure, and Mechanical Properties of Spinel-Corundum-Sialon Composite Materials from Waste Fly Ash and Aluminum Dross

Figure 5

The physical properties of spinel-corundum-Sialon composite materials. (a) The apparent porosity and (b) bulk density of samples sintered at different temperatures as a function of the exceeding Al content.
789867.fig.005a
(a)
789867.fig.005b
(b)