Aerosol Deposition

Aerosol deposition is a room-temperature, dry coating process where fine particles of a pure material (usually in the submicron range) are carried by a gas stream and accelerated through a nozzle onto a substrate. Upon impact, the particles fracture and form a dense, nanocrystalline film without the need for high temperatures or binders. In a pure system, only one material is used (no composite or doped powders), resulting in a single-phase coating with properties close to the original bulk material. This method is especially useful for creating functional ceramic or metallic films on various substrates.