透明陶瓷圆管
Transparent Ceramic Tube
产品规格
Product Specifications
长 100 mm / 壁厚 12 mm / 外径 70 mm
100mm in length, 12mm in wall thickness, and 70mm in outer diameter
*其他尺寸可依图定制
Other sizes can be manufactured to customer drawings upon request
性能特点
Performance Characteristics
- 近紫外至中红外波长范围内透明性能优异 Excellent optical transparency from near-ultraviolet to mid-infrared wavelengths
- 高强度、高硬度、高刚性 High strength, high hardness, high stiffness
- 高热导率、低热膨胀系数 High thermal conductivity, low coefficient of thermal expansion
- 耐磨、耐酸碱腐蚀 Excellent wear resistance and chemical corrosion resistance
- 高电绝缘、低介电损耗 High electrical insulation and low dielectric loss
- 光学各向同性 Optical isotropy
性能指标
Typical property parameters
| 项目 | 数值 | |
|---|---|---|
|
杨氏模量 (GPa) Young's modulus |
300 | |
|
泊松比 Poisson's ratio |
0.26 | |
|
弯曲强度 (MPa) Flexural strength |
460 | |
|
断裂韧性 (MPa·m1/2) Fracture toughness |
2.56 | |
|
维氏硬度 (GPa) Vickers hardness |
16.05 | |
|
光学透过范围 (μm) Optical transmission range |
0.2–6.0 | |
|
光学折射率
Refractive index
|
n'F@479.99 nm | 1.7525 |
| nd@587.56 nm | 1.7436 | |
| n'c@643.85 nm | 1.7405 | |
| nt@1013.98 nm | 1.7299 | |
|
阿贝数 Abbé number |
62.2 | |
|
雾度 (t = 8 mm) Haze |
< 1% | |
|
介电常数（@24–77 GHz） Dielectric constant |
8.75 | |
|
介电损耗（@24–77 GHz）×10⁻⁴ Dielectric loss |
2.90 | |
|
介电强度 (KV/mm) Dielectric strength |
66.32 | |
|
体积电阻率 (×10¹⁴ Ω·cm) Volume electrical resistivity |
1.62 | |
|
比热容（@25°C）J/(g·°C) Specific heat capacity |
0.95 | |
|
热导率（@25°C）W/(m·K) Thermal conductivity |
15.80 | |
|
热膨胀系数（25–500°C）×10⁻⁶ K⁻¹ Thermal expansion coefficient |
7.36 | |
应用场景
Applications
- 深海耐压灯罩 Cover of high pressure-resistant lamp
- 半导体等离子约束管 Plasma confinement tubes for semiconductor application
- CVD 沉积反应管 Reactor tubes for chemical vapor deposition (CVD) process
