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/(m・k) |
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 比热容 |
J/(g・k) |
550 |
500 |
|
Volume Resistivity 体积电阻率 |
Ω・cm |
>10(9) |
>10(9) |
|
Heat Shock Resistance 耐热冲击 & 抗热震性 |
℃ T(K) |
1300 |
1200 |
|