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材料分类:Alumina 属性分类:所有

已找到匹配的 8 个材料

属性 Zirconia Toughened Alumina Alumina Alumina Single Crystal Sapphire Alumina Alumina Alumina Alumina
化学式 ZrO2-Al2O3 Al2O3 Al2O3 Al2O3 Al2O3 Al2O3 Al2O3 Al2O3
代码 ZTA C795 C790 C799 C799 C799 C799 C799
主要材料 Alumina Alumina Alumina Alumina Alumina Alumina Alumina Alumina
主要材料纯度
%
85 95 90 99.99 99.99 99.8 99.7 99.5
主要辅材 ZrO2 - - - - - - -
主要辅材成分 15 - - - - - - -
颜色 White White White Transparent White Ivory Ivory White
密度
g/cm³
4.1 3.65 3.2 3.97 3.9 3.9 3.9 3.9
外观表证 Dense Dense Dense Dense Dense Dense Dense Dense
维氏硬度
GPa
17 12 12 22.5 18 16 15 18
抗折强度
Mpa
750 320 200 690 480 400 340 450
弯曲强度
Mpa
- - - - 300 - - 300
抗压强度
Mpa
- 2100 200 2940 2450 - 2900 2350
断裂韧性
MPa m½
6 - 3.8 - 4 4 - 4
杨氏模量
GPa
310 280 200 470 400 390 350 390
泊松比 0.26 0.23 - - 0.24 - 0.23 0.24
Abrasiveness Blast abrasion amount
μm
- - - - 1.0 - - 2.1
最高使用温度(氧化气氛)
°C
1650 1400 1350 1700 1500 - 1500 1300
Thermal expansion coefficient RT~200°C
*10^-6/°C
8 6.8 - 7 5.3 5.7 6.4 5.4
Thermal expansion coefficient RT~400°C
*10^-6/°C
- - - - - - 7.0 -
Thermal expansion coefficient RT~600°C
*10^-6/°C
- - - - 7.5 - 7.5 7.3
Thermal expansion coefficient RT~800°C
*10^-6/°C
- 7.7 - - 8.6 - 7.9 8.5
热导率(室温)
W/mK
20 18 12 41 33 28 - 30
Specific heat RT
J/kg.K
- 780 850 0.75 800 920 - 800
Thermal Shock Resistance
°C
325 200 - - 200 200 - 200
Dielectric strength
kV/mm
- 14 10 48 30 12 10 30
Volume resistivity 20°C
Ω.cm
13 14 12 14 1*10^14 1*10^14 1*10^15 1*10^14
Volume resistivity 500°C
Ω.cm
- 8 6 - - - 6*10^10 -
Dielectric loss 1MHz
*10^-4
- 9 - 1 7 82 4 30
Dielectric loss 3GHz
*10^-4
- - - - - - - 4
Dielectric constant 1MHz 10.6 8.9 - 11.5 10 10.2 10 10
Dielectric constant 3GHz - - - - 10 - - 10
20%盐酸(置入72小时)
WT Loss [mg/cm²/day]
- - - - -0.3 - - -0.3
盐酸 20% (置入24小时)
WT Loss [mg/cm²/day]
- - - - 0.0 - - 0.0
20%浓度硫酸(置入72小时)
WT Loss [mg/cm²/day]
- - - - -0.3 - - -0.3
20%浓度硫酸(置入24小时)
WT Loss [mg/cm²/day]
- - - - 0.0 - - 0.0
61%浓度硝酸(置入72小时)
WT Loss [mg/cm²/day]
- - - - 0.0 - - 0.0
61%浓度硝酸(置入24小时)
WT Loss [mg/cm²/day]
- - - - 0.0 - - 0.0
85%浓度磷酸(置入72小时)
WT Loss [mg/cm²/day]
- - - - -0.3 - - erosion
85%浓度磷酸(置入24小时)
WT Loss [mg/cm²/day]
- - - - 0.0 - - 0.0
20%浓度烧碱(置入72小时)
WT Loss [mg/cm²/day]
- - - - 0.0 - - 0.0
20%浓度烧碱(置入24小时)
WT Loss [mg/cm²/day]
- - - - 0.0 - - 0.0
47%浓度氢氟酸(置入72小时)
WT Loss [mg/cm²/day]
- - - - -0.5 - - erosion