Effect of Silicon Addition on High-Temperature Solid Particle Erosion-Wear Behaviour of Mullite-SiC Composite Refractories Prepared by Nitriding Reactive

Table 2

Properties of mullite-SiC composite refractories prepared by nitriding reactive.

Property	Samples
	M1	M2	M3	M4
Bulk density (g/cm^3)	2.12	2.15	2.19	2.27
Apparent porosity (%)	28.4	27.2	26.1	23.6
Cold compression strength (MPa), ≥	40	60	80	120
Cold bending strength (MPa)	17.30	24.58	29.96	40.08
Vickers hardness of binder phase (GPa)	8.7	9.5	10.4	11.9