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Black Silicon Nitride Zircona Threaded Ceramic Welding Pin For Nut Welding
1 . Descriptions:
Silicon Nitride Si3N4 Ceramic is one kind of technical ceramic materials which has good comprehensive properties for different applaictions.It mechanical strength can be kept up to 1200℃.Its hardness and wear resistance performance ranks high among all technical creamic materials.Its has high electrical resistivity,high dielectric constant and low dielectric loss,is a choice for electrical insulation.Futrthmore,it has good chemical stability and resistance to oxidation.
2.Application:
Bearing balls and rollers
Cutting tools
Valves,turbocharger rotors for engines
Turbine blades
Diesel engine glow plugs
Molten metal handing
Thermocouple sheaths
Welding jigs,fixtures and nozzles
3.Silicon Nitride Properties
High hardness
High strength
wear resistance
corrosion resistance
high temperature (1200℃)
good thermal diffusivity
good thermal chock resistnce (avoid the temperature changing rapidly)
good insulativity
low density
The comprehensive properties are best in most of structure ceramic
