Si3N4 Ceramic Bush High Toughness Ceramic Rod Thermal Shock Resistance

High Thermal Shock Resistance Black Silicon Nitride Ceramic Bush Sleeve Si3n4 Tube Rod

Silicon nitrides (Si3N4) are a range of advanced engineering ceramics characterised by high strength, toughness and hardness and excellent chemical and thermal stability.
Silicon nitride is a very important engineering ceramic which is available in characteristics, include high strength, toughness and hardness, excellent wear resistance, corrosion resistance to many acids and alkalis and outstanding thermal shock resistance. 

Silicon Nitride Properties:

High strength over a large temperature range
High fracture toughness
Good flexural strength
Mechanical fatigue & creep resistant
Lightweight - Low density
High hardness and wear resistance, both impingement and frictional modes  
Superior thermal shock resistance
Low thermal expansion
Electrical insulator
Good oxidation resistance
Good chemical corrosion resistance
Wear resistant High stiffness

Applications:
Rotating ball bearings and rollers bearings
Cutting tools
Engine components: valves, rocker arm pads, seal faces
Induction heating coil supports
Turbine blades, vanes, buckets
Welding and brazing jigs
Heating element components
Crucibles
Metal tube forming rolls and dies
TIG / Plasma welding nozzles
Weld positioners
Precision shafts and axles in high-wear environments
Thermocouple sheaths and tubes
Semiconductor process equipment