... reach above 600 ~ 900 mpa [24] Al2O3 - SiCw ceramic: cutting tool ,ceramicsengine , internal combustion engine 2.SiCw in toughening ZrO2 ceramic ... rotor , Turbine set blade , C eramic engine parts , Ceramic tool , Wire drawing tool, bearing 3. SiCw in toughening mullite ceramic matrix composites Mullite ...