... and strengthening ↓ Al2O3 - SiCw ceramic toughness have reached above 9MPa·m1/2 , strength can reach above 600 ~ 900 mpa [24] Al2O3 ... than 100%, the highest can amount to 6.37 MPa · m1/2 Mullite-SiCw ceramic :Thermal protective equipment ,rocket nozzle 4 ... by more than double toughess: reach 460MPa, strength : 4.3MPa·m1/2 Glass-SiCw ceramic : Biological ceramic material,Preparation of artificial ...