Due to the stable property of Silicon Nitride Ceramic material, the equipment will keep working when replacing new components, which help customers not only to raise efficiency of production, but also save a lot of cost, which can help customers to produce high quality aluminum foundry & casting products.Ensure the stable quality of products for aluminum foundry & casting customers.

 

 

Bulk Density

容积密度

g/cm3

 

热压烧结

Hot press sintering

常压烧结 General pressure sintering

反应烧结

Reaction sintering

Water Absorption

吸水率

 

3.07-3.37

2.8-3.3

2.0-2.8

Flexural Strength

弯曲强度

MPa

 

450-1200

275-1000

300

Hardness  

硬度

HRA

 

2.8-12

3.0-10

3.6

Fracture Toughness

断裂韧度

MPam1/2

 

92-93

91-92

83-85

Thermal Conductivity

热传导率

W/(mk)

 

30-33

20-50

10-17

Modulus of Elasticity

弹性模量

GPa

 

300

300

 

Coefficient of Linear Thermal Expansion

线膨胀系数

×10-6/℃

 

2.3-3.9

2.5-3.5

2.2-2.9

Specific Heat

比热

J/(gk)

 

550

500

 

Volume Resistivity

体积电阻率

Ωcm

 

>109

 

>109

 

 

Heat Shock Resistance 耐热冲击 & 抗热震性

T(K)

1300

1200