INNOVACERA

technical ceramic solutions

Material

Materials and Applications

Most useful technical ceramic materials as below

Materials Properties Some applications
SiC
silicon carbide Wear resistant Sliding bearings (SiC on SiC)
Excellent chemical resistance Mechanical seals
Good thermal shock resistance Cylinders
Low density Plungers
Blast nozzles
Crucibles
Si3N4
silicon nitride Wear resistant Ball bearings
High strength, toughness Dies
Good thermal shock resistance Valves
Chemical resistant Crucibles
Electrically insulating or conductive (special) Thermocouple tubes
B4C
boron carbide Very hard Spray drying and powder blast nozzles
Wear resistant Dies
Heavy-duty armour plate
Lapping and polishing powders
BN
boron nitride Relatively soft Crucibles
Good machinable High-voltage insulators
Is not wetted by liquid metals High-temperature lubricant and positioning tools
Electrical insulator
AlN
aluminium nitride Good heat conductivity Heat Sinks
Chemical resistant Substrates
ZrO2
Zirconia Impact resistant Welding pins
Heat insulator Positioning tools
High strength and toughness Machine components
AI2O3
alumina Electrical insulator Components for furnaces
Wear resistant Thermocouple tubes
Resistant to high temperatures Machine components
Ruby High surface quality Precision balls 0.1 micron tolerance
Chemical resistant Ball valves up to 1,000 bar
Sapphire Transparent Optical precision components