BOSTON PIEZO OPTICS 压电元件 压电陶瓷 氧化铝耐磨板
Boston Piezo-Optics 提供各种尺寸和厚度的耐磨板 保护传感器组件的晶体免受腐蚀、滑动磨损、 或高温。所有耐磨板均按规格制造。
一般规格
| Material | Diameter | Thickness | Surface | Flatness | Parallelism | Electrodes |
|---|---|---|---|---|---|---|
| 94% Pink Alumina Oxide | 0.060″ – 1.250″ | 0.003″ – 0.020″ | 3 micron fine lapped | To within 0.0001″ per 0.500″ of diameter | To within 0.0002″ per 0.500″ of diameter | Fired Palladium/silver or Fired Gold upon special request |
材料特性
| Characteristic | |
|---|---|
| Moh’s Hardness | 9+ |
| Density | 3.72 g/cm3 |
| Young’s Modulus | 4.6 x 107 PSI |
| Modulus of Rigidity | 1.9 x 107 PSI |
| Ultrasound Transit Time, Through thickness of: | 0.005″ = 1.29 x 10-8 sec 0.010″ = 2.68 x 10-8 sec 0.020″ = 5.17 x 10-8 sec |
