Categories
Thermal Barrier Coatings
We offer powders for creating TBC (Thermal Barrier Top Coats) according to the specification below:
Properties
- high melting point
- no phase transformation between room temperature and operating temperature
- low thermal conductivity
- chemical inertness
- thermal expansion similar to and matched with the metallic substrate
- good adhesion to the substrate
- low sintering rate for a porous microstructure
Coating benefits
- reduces thermal exposure of structural components
- extends part life by reducing oxidation and thermal fatigue
- increased engine efficiency
- applying the coating translates into lower emitted pollutants
Application examples
Gas turbine blades.
| Trade name | Chemical composition | Powder fraction | Comparable materials | |
|---|---|---|---|---|
| Praxair | Metco | |||
| 2008PLN | High Purity Zirconia-8 Yttria | -140+15µm (-106+15µm) | 204-XCL | |
| 2008PLNC | High Purity Zirconia-8 Yttria | -200+400 Mesh (-75+38µm) | 204C-XCL | |
| 2008P | Zirconia-8 Yttria | -140+15µm (-106+15µm) | ZRO113 | 204NSG |
| 2008PC | Zirconia-8 Yttria | -200+400 Mesh (-75+38µm) | ZRO182 | |
| 2008PD | Zirconia-8 Yttria | -140+15µm (-106+15µm) | SPN2000 | |
| 2008PF | Zirconia-8 Yttria | -325+11µm (-45+11µm) | 204F | |
| 2008PRR | Zirconia-8 Yttria | -200+400 Mesh (-75+38µm) | ZRO154 | 204BNS |
| 2008PWA | Zirconia-8 Yttria | -140+15µm (-106+15µm) | ZRO114 | 204NS |
| 2020D | Zirconia-20 Yttria | -170+22µm (-90+22µm) | ||
| 810S | Zirconia-20 Magnesia | -200+11µm (-75+11µm) | ZRO103 | 210NS |
| 810P | Zirconia-20 Magnesia | -200+11µm (-75+11µm) | 210NS-1 | |
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