ZTA based ceramics
ZTA based ceramics
ZTA is a combination of alumina and 10-20% zirconium
ZTA properties:
- Additional hardness and viscosity compared to that of aluminum oxide;
- Better price that that of zirconium dioxide;
- High corrosion resistance;
- High fracture viscosity;
- High flexural strength.
Application:
- Insulators, sensors, piston bushings and pump components;
- Liquid supply system components;
- LED chip carriers.
The main characteristics of the material:
| ZrO, % |
20 |
| Al2O3+ZrO2, % |
30 |
| Density, g/cm3 |
≥4.00 |
| Water absorbed, % |
0 |
| Hardness, HV(GPa) |
1650 |
| Flexural strength, MPa |
400-500 |
| Compression strength, MPa |
2800 |
| Fracture viscosity, MPa m3/2 |
9.8 |
| Elasticity modulus, GPa |
310 |
| Maximal operating temperature, оС |
1450 |
| Sintering temperature, оС |
1650 |
| Thermal expansion coefficient, X10-6/oC |
8.2 |
| Thermal conductivity, W/m • K(25-300°С) |
9.8 |
- The “NPO “GKMP” LLC supplies ZTA products of different design per Customer’s individual drawings.
- Maximal operating temperature of ZTA products - 1450°С. ZTA is often used to produce insulators, sensors and pump components, fluid supply system components, casing and LED chips carriers.
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