优势
- 使用温度高达 1,500°C
- 化学惰性
- 优异的耐磨性
- 高弯曲强度
- 高断裂韧性
- 弯曲强度、硬度和断裂韧性之间的出色平衡
- 烧结至接近理论密度或热等静压以增强可靠性
- 增强对热液老化的耐受性
材料等级
ZTA
常规性能
ZTA是一种高性能陶瓷复合材料，是一种独特的陶瓷材料，由于其氧化铝含量，它表现出高硬度、强度、耐磨性和耐腐蚀性，同时由于其氧化锆含量，它仍然保持了相当高的断裂韧性。
应用
- 高压设备——球阀球和阀座——特别适用于高流量/磨蚀性流体
- 用于研磨介质的聚焦喷嘴
- 超高压泵送元件
- 深井井下阀门和阀座
- 金属成形用轧辊和导轨
- 螺纹和导线导向器
- 金属挤压模具
材料特性
机械性能
热性能
电气性能
常规性能
| Property | Units | CeramAlloy ZTA | CeramAlloy Ultra Hard |
|---|---|---|---|
| Composition | – | Alumina/Zirconia | Alumina/Zirconia |
| Color | – | White | Off White |
| Property | Units | CeramAlloy ZTA | CeramAlloy Ultra Hard |
|---|---|---|---|
| Density | g/cm3 | 4.1 | 4.18 |
| Young’s Modulus | GPa | 335 | 350 |
| Fracture Toughness | MPa x m1/2 | 7 | 5 |
| Poisson’s Ratio | – | 0.23 | 0.22 |
| Compressive Strength | MPa | 2500 | 3000 |
| Flexural Strength | MPa | 600 | 850 |
| Hardness (Vickers 500g) | GPa | 16 | 21.5 |
| Property | Units | CeramAlloy ZTA | CeramAlloy Ultra Hard |
|---|---|---|---|
| Max Temperature (Air) | °C | 1500 | 1500 |
| Max Temperature (Inert) | °C | 1500 | 1500 |
| Coefficient of Expansion 1 | 10-6/°C | 7 | 7.5 |
| Thermal Conductivity @ 25°C | W/mK | 20 | 20 |
| Thermal Shock Resistance ΔT | °C | 200 | 200 |
1 Coefficient of Thermal Expansion (CTE) describes how the size of an object changes with a change in temperature.
| Property | Units | CeramAlloy ZTA | CeramAlloy Ultra Hard |
|---|---|---|---|
| Dielectric Strength DC @25°C | kV/mm | 16 | 16 |
| Dielectric Constant @ 1MHz | – | 10 | 10 |
| Volume Resistivity @ 25°C | Ω cm | >1016 | >1016 |
Disclaimer: The values presented are mean and typical of those resulted from test samples. They are provided as an indication only to serve as guidance in the design of ceramic components and are not guaranteed in any way. The actual values can vary according to the shape and size of the envisioned component.
Product application
Classified by purity