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Brand Name: INNOVCERA
Model Number: INC-SN1605
Application: Industrial Ceramic
Type: Ceramic Tubes
Place of Origin: China (Mainland)
Material: Silicon Nitride
Color: Black
Bulk density: 3.25 g/cm3
Vickers Hardnes: 300
Maximum Use Temperature: 1000
Flexural Strength: 880
Elastic Modulus: 300
Thermal Conductivity: 30 W/m.k
Thermal Shock Resistance: 750

Specifications

4mm Silicon Nitride Ceramic Tube For Protection/INNOVACERA

Material Description

Silicon nitride is a man made compound synthesized  through several different chemical reaction

methods. Parts are pressed and sintered by well developed methods to produce a ceramic.The

material color is dark gray to black and can be polished to a very smooth reflective surface.

High performance silicon nitride materials were developed for automotive engine wear-resistant

parts, such as valves and cam followers and proven effective. The very high quality bodies

developed for using in many severe mechanical, thermal and wear applications. 

Product Description

Key Silicon Nitride (Si3N4) Characteristics:

? Good thermal shock resistance
? Creep resistance
? Low density
? High fracture toughness
? High hardness and wear resistance 
? Electrical resistivity


 


Properties

 

Silicon Nitride Engineering Properties:

 

Pressureless Sintered Properties

Mechanical

SI/Metric (Imperial)

SI/Metric

Density

gm/cc (lb/ft3)

3.29

Porosity

% (%)

0

Color

black

Flexural Strength

MPa (lb/in2x103)

830

Elastic Modulus

GPa (lb/in2x106)

310

Shear Modulus

GPa (lb/in2x106)

Bulk Modulus

GPa (lb/in2x106)

Poisson's Ratio

0.27

Compressive Strength

MPa (lb/in2x103)

Hardness

Kg/mm2

1580

Fracture Toughness KIC

MPa?m1/2

6.1

Maximum Use Temperature 
(no load)

°C (°F)

1000

Thermal

Thermal Conductivity

W/m?°K (BTU?in/ft2?hr?°F)

30

Coefficient of Thermal Expansion

10–6/°C (10–6/°F)

3.3

Specific Heat

J/Kg?°K (Btu/lb?°F)

Electrical

Dielectric Strength

ac-kv/mm (volts/mil)

Dielectric Constant

Dissipation Factor

Loss Tangent

Volume Resistivity

ohm?cm

 

Hot pressed Properties:

Mechanical

SI/Metric (Imperial)

SI/Metric

Density

gm/cc (lb/ft3)

3.27

Porosity

% (%)

0

Color

black

Flexural Strength

MPa (lb/in2x103)

689

Elastic Modulus

GPa (lb/in2x106)

310

Shear Modulus

GPa (lb/in2x106)

Bulk Modulus

GPa (lb/in2x106)

Poisson's Ratio

0.24

Compressive Strength

MPa (lb/in2x103)

Hardness

Kg/mm2

1450

Fracture Toughness KIC

MPa?m1/2

5.7

Maximum Use Temperature 
(no load)

°C (°F)

1000

Thermal

Thermal Conductivity

W/m?°K (BTU?in/ft2?hr?°F)

29

Coefficient of Thermal Expansion

10–6/°C (10–6/°F)

3.3

Specific Heat

J/Kg?°K (Btu/lb?°F)

Electrical

Dielectric Strength

ac-kv/mm (volts/mil)

Dielectric Constant

Dissipation Factor

Loss Tangent

Volume Resistivity

ohm?cm

 

Typical Uses

 

Typical Silicon Nitride Ceramic Components Uses:

 

? Rotating bearing balls and rollers

 

? Cutting tools

 

? Engine moving parts — valves, turbocharger rotors

 

? Engine wear parts — cam followers, tappet shims

 

? Turbine blades, vanes, buckets

 

? Metal tube forming rolls and dies

 

? Precision shafts and axles in high wear environments

 

? Weld positioners