材料Material

N-SiC

使用温度Working temperature (°C)

1600°C

SiC含量SiC content (%)

> 75

Si₃N₄ 含量Si₃N₄ content (%)

> 22

体积密度Bulk density (g/cm³)

2.70-2.80

气孔率Apparent porosity (%)

< 12-15

抗压强度Crushing strength (MPa)

> 600

常温抗弯强度Cold bending strength (MPa)

> 150-160 (20°C)

高温抗弯强度Hot bending strength (MPa)

> 160-180 (1200°C)

热膨胀系数Thermal expansion coefficient @1500°C (10^-6/°C)

4.60

导热系数Thermal conductivity @1200°C (W/m•K)

11

杨氏模量Elastic modulus (GPa)

250

抗热震性Thermal shock resistance

很好very good