Alumina is the most widely used advanced ceramic material . It pffers very good performance in terms of wear resistance , corrosion resistance and strength at a reasonable price . Its high dielectric properties are beneficial in electronic products .Applications include armor , semiconductor processing equipment parts , faucet disc valves , seals , electronic substrates and industrial machine components .
SILICON NITRIDE
Silicon nitride exceeds other ceramic materials in thermal shock resistance . It also offerts an excellent combination of low density , high strength , low thermal expansion and good corrosion resistance and fracture toughness .Applications include various aerospace and automotive engine components , papermaking machine wear surfaces , armor , burner nozzles and molten metal processing parts .
SILICON CARBIDE
Silicon carbide has the highest corrosion resistance of all the advanced ceramic materials . It also retains its strength at temperature as high as 1400 Celcius and offers excellent wear resistance and thermal shock resistance .Applications include armor , mechanical seals , nozles , silicon wafer polishing plates and pump parts .
ZIRCONIA
Zirconia has the highest strength and toughness at room temperature of all he advanced ceramic materials . The fine grain size allows for extremely smooth surfaces and sharp edges .Applications include scissors , knifes , slitters , pump shaftd , metal-forming tools , fixtures , tweezers , wire drawing rings , bearing sleeves and valves .
SAPPHIRE
Single crystal sapphire offers superior mechanical properties and chemical stability coupled with light transmission .Application include GaAs carrier plates , POS scanner window , microwave plasma tubes and windows , fixtures for high temperature equipment and blue LED .
