Aerosol Deposition Technology
Introduction
Aerosol Deposition is an efficient and versatile coating method that produces high-quality, dense films at room temperature. The aerosol is directed through a nozzle, where the particles are accelerated to high velocity up to 500 m/s. When high-velocity particles impact on substrates, the materials undergo plastic deformation, causing them to adhere tightly to the surface. This high-energy collision results in the particles interlocking and bonding, forming a dense and uniform film. It is able to coat a wide range of materials and substrates, combined with its energy efficiency and superior coating quality, makes it a valuable technique in advanced manufacturing across various industries.
Excellent Coating Properties
No Substrate / Powders Heating (~25°C)
No Intermediate Layer
Dense Coating
Controllable Film Thickness (0.5~100µm)
Benchmark of Coating Processes
| -- | APS | PVD / CVD | AD |
|---|---|---|---|
| Deposition Rate (µm /min) | > 50 | 0.01 ~ 0.1 | 1 ~ 10 |
| Thickness. max | > 300µm | ~ 20µm | ~ 100µm |
| Process Temperature (°C) | ~ 2000°C | RT ~ 1000°C | Room Temp |
| Material | Metal / Ceramic | Metal / Ceramic | No limitation |
| 2D / 3D coating | 3D | 2D | 2D→3D |
| Film quality | Low | High | High |
| Film Cross section |  |
 |
 |
Flexible Application of AD Technology
Application Examples
Anti-plasma erosion coating (TPC windows)
Wear resistant coating
Thermal barrier for turbine blade
Ceramic coating (ZeO2 / AI2O3 / HA) on metallic implants
ASSB (All-Solid-State-Battery) electrolytes / cathodes
