搜索结果

材料分类:Boron Nitride Based 属性分类:所有

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