搜索结果
已找到匹配的 10 个材料
属性 | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based |
---|---|---|---|---|---|---|---|---|---|---|
化学式 | SiC | SiC | SiC | SiC | SiC | α-SiC | SiC | SiC | SiC | SiC |
主要材料 | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based | Silicon carbide based |
主要材料纯度 % |
70 | 40 | 30 | 85 | 25 | 82 | 80 | 70 | 65 | 50 |
主要辅材 | Al | Al | Al | Si | Al | Si | Si | Si | Si | Silicon |
主要辅材成分 | 30 | 60 | 70 | 15 | 75 | 18 | 20 | 30 | 35 | 50 |
密度 g/cm³ |
3.0 | 2.9 | 2.8 | 3.1 | 2.8 | 2.8 | 2.8 | 3.0 | 3.0 | 2.8 |
维氏硬度 GPa |
110 | 9.3 | 90 | - | - | - | 20 | - | - | - |
抗折强度 Mpa |
380 | - | - | 300 | - | 250 | 250 | 300 | 300 | 300 |
弯曲强度 Mpa |
- | - | - | - | - | 220 | - | - | - | - |
弯曲强度 Mpa |
- | - | - | - | - | 220 | 250 | - | - | - |
断裂韧性 MPa m½ |
10 | 14 | 15 | 3 | - | - | - | 3 | 3 | 3 |
杨氏模量 GPa |
260 | 150 | 125 | 380 | 115 | 370 | 350 | 330 | 310 | 280 |
泊松比 | 0.10 | 0.29 | 0.29 | 0.20 | 0.29 | 0.18 | 0.20 | 0.20 | 0.20 | 0.20 |
最高使用温度(氧化气氛) °C |
- | - | - | - | - | 1350 | 1350 | - | - | - |
Thermal expansion coefficient RT~200°C *10^-6/°C |
6.0 | 13.0 | 14.0 | 3.0 | 15.0 | - | - | 3.0 | 4.7 | 2.8 |
Thermal expansion coefficient RT~600°C *10^-6/°C |
- | - | - | - | - | 3.4 | - | - | - | - |
Thermal expansion coefficient RT~800°C *10^-6/°C |
- | - | - | - | - | 4.3 | 4.5 | - | - | - |
热导率(室温) W/mK |
170 | 155 | 150 | 210 | 145 | 220 | - | 190 | 210 | 175 |
Thermal conductivity 400°C W/mK |
- | - | - | - | - | 60 | 100 | - | - | - |
Specific heat RT J/kg.K |
1000 | 900 | 800 | 700 | - | 700 | 700 | 700 | 700 | 790 |
Specific heat 800°C J/kg.K |
- | - | - | - | - | 1230 | 1000 | - | - | - |
Volume resistivity 20°C Ω.cm |
1*10^-5 | - | - | 5*10^-2 | - | - | 1*10^-3 | 2*10^-2 | 2*10^-1 | 2*10^-2 |