|
材料Material |
R-SiC |
|
使用温度Working
temperature (°C) |
1600°C (
氧化气氛Oxidizing
environment)
1700°C (
还原气氛Reducing
environment) |
|
SiC含量SiC
content (%) |
> 99 |
|
自由Si
含量Free Si
content (%) |
< 0.1 |
|
体积密度Bulk
density (g/cm3) |
2.60-2.70 |
|
气孔率Apparent
porosity (%) |
< 16 |
|
抗压强度Crushing
strength (MPa) |
> 600 |
|
常温抗弯强度Cold bending strength (MPa) |
80-90 (20°C) |
|
高温抗弯强度Hot bending strength (MPa) |
90-100
(1400°C) |
|
热膨胀系数Thermal
expansion coefficient @1500°C (10-6/°C) |
4.70 |
|
导热系数Thermal
conductivity @1200°C (W/m•K) |
23 |
|
杨氏模量Elastic
modulus (GPa) |
240 |
|
抗热震性Thermal
shock resistance |
很好Extremely good |
