SI3N4

 

1.)material: silicon nitride ceramic

2.)type of the sintering: HIP,HP,SSN,GPS,etc

3.)usage for the chemical, electrical, mechanaical, melting

4.)high hardness,

5,) high temperature resistance, up to 1700C

6.)acid-resistance,

7).chemical resistance

 

Properties

 

Lightweight (60% Lighter than Steel)

 

High Fracture Toughness

 

Wear Resistant

 

High Dielectric Strength

 

Microwave Transparency

 

Non Magnetic

 

Corrosion Resistant

 

Chemically Inert

 

Low Coefficient of Thermal Expansion

 

Thermal Shock Resistance

 

 

The major performances of Si3N4 based materials

 

Sintering process	Density	Bend strength	Hardness	Fracture toughness	Modulus of elasticity
	g/cm3	MPa	HV10	MPa · m1/2	GPa
Gas Pressure Sintering	>3.20	750-1000	1500-1700	7-8	310

 

 A wide range of applications:

 

Chemical resistance, High temperature application, Friction, High speed, Aircraft accessory,  Semiconductor, Food processing, Dental handpiece turbines.