搜索结果
已找到匹配的 10 个材料
属性 | Boron Nitride Based | Boron Nitride Based | Boron Nitride Based | Boron Nitride Based | Boron Nitride Based | Boron nitride based | Boron nitride based | Boron nitride based | Boron nitride based | Boron nitride based |
---|---|---|---|---|---|---|---|---|---|---|
化学式 | BN | BN | BN | BN | BN | BN | BN | BN | BN | BN |
代码 | SNBN | SNBN | SNBN | ALBN | - | ALBN | - | - | - | - |
主要材料 | Boron Nitride | Boron Nitride | Boron Nitride | Boron Nitride | Boron Nitride | Boron nitride based | Boron nitride based | Boron nitride based | Boron nitride based | Boron nitride based |
主要材料纯度 % |
70 | 50 | 30 | 20 | 30 | 35 | 40 | 99.5 | 99.5 | 97 |
主要辅材 | Silicon Nitride | Silicon Nitirde | Silicon Nitride | Aluminium Nitride | Aluminium Nitride | AlN | Al2O3.SiO2 | binderless | binderless | CaO.B2O3 |
主要辅材成分 | 30 | 50 | 70 | 80 | 70 | - | - | - | - | - |
颜色 | Light Gray | Light grey | - | - | - | - | White | - | White | White |
密度 g/cm³ |
2.2 | 2.5 | 2.7 | 2.6 | 2.8 | 3.1 | 2.2 | 1.6 | 1.8 | 2.0 |
吸水率 % |
0.04 | 0.01 | - | - | - | - | - | - | 0.04 | 0.4 |
外观表证 | Dense | Dense | - | - | - | - | - | - | - | - |
维氏硬度 GPa |
4.8 | 5.5 | 7.5 | 40 | 0.76 | 60 | 45 | 11 | 0.8 | 1.3 |
抗折强度 Mpa |
140 | 270 | 300 | 120 | 280 | 160 | 140 | 28 | 30 | 35 |
弯曲强度 Mpa |
- | - | - | - | - | - | - | - | - | - |
弯曲强度 Mpa |
- | - | - | - | - | - | - | - | - | - |
抗压强度 Mpa |
- | - | - | - | - | - | - | - | - | - |
断裂韧性 MPa m½ |
- | - | - | - | - | - | - | - | - | - |
杨氏模量 GPa |
- | 80 | - | - | - | - | - | - | 10 | 20 |
泊松比 | - | - | - | - | - | - | - | - | - | - |
Abrasiveness Blast abrasion amount μm |
- | - | - | - | - | - | - | - | - | - |
最高使用温度(氧化气氛) °C |
950 | 950 | 950 | 950 | 950 | 950 | 1100 | 950 | 950 | 950 |
最高使用温度(保护气氛) °C |
1700 | 1700 | 1700 | 1950 | 1950 | 2000 | 1500 | 2200 | 2200 | 1800 |
Thermal expansion coefficient RT~200°C *10^-6/°C |
- | - | - | - | - | - | - | - | - | - |
Thermal expansion coefficient RT~400°C *10^-6/°C |
- | 2.1 | - | - | - | - | 5.3 | - | -1.8 | -0.2 |
Thermal expansion coefficient RT~600°C *10^-6/°C |
- | 2.3 | - | - | - | - | - | - | -1.5 | -0.4 |
Thermal expansion coefficient RT~800°C *10^-6/°C |
2.0 | 2.6 | 3.0 | 5.4 | 4.3 | 7.0 | 6.0 | -0.6 | -1.4 | -0.25 |
热导率(室温) W/mK |
33 | 47 | 44 | 95 | 66 | 55 | 8 | 60 | 63 | 36 |
Thermal conductivity 400°C W/mK |
- | - | - | - | - | - | - | - | 45 | - |
Thermal conductivity 800°C W/mK |
- | - | - | - | - | - | - | - | 30 | - |
Specific heat RT J/kg.K |
- | 700 | - | - | - | - | - | - | 800 | 700 |
Specific heat 400°C J/kg.K |
- | 1000 | - | - | - | - | - | - | 1500 | 1300 |
Specific heat 800°C J/kg.K |
- | - | - | - | - | - | - | - | - | - |
Thermal Shock Resistance °C |
- | 1500 | - | - | - | - | - | - | 1500 | 1500 |
Dielectric strength kV/mm |
27 | 36 | 21 | 15 | 21 | - | 19 | 22 | 25 | 25 |
Volume resistivity 20°C Ω.cm |
1*10^14 | 1*10^16 | 1*10^14 | 1*10^14 | 1*10^14 | 0.0025 | 1*10^14 | 1*10^15 | 1*10^16 | 1*10^16 |
Volume resistivity 500°C Ω.cm |
1*10^5 | 1*10^5 | 1*10^6 | 1*10^4 | 1*10^3 | - | 3 | 1*10^6 | 1*10^6 | 1*10^4 |
Dielectric loss 1MHz *10^-4 |
180 | 53 | 24 | 39 | 18 | - | 13 | 10 | 9 | 8 |
Dielectric constant 1MHz | 4.9 | 6.3 | 4.9 | 7.0 | 6.7 | - | 3.0 | 4.9 | 4.0 | 4.0 |