Aerosol deposition of α-TCP on a Ti surface

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This paper demonstrated aerosol deposition (AD) of α-TCP powder having isotropic particle shapes on a titanium substrate to pursue type features of AD coatings. The resulting layer was mostly flat and enough thin (less than 8 µm) and intact to show slight transparency. The layer has 3 major types of mictrostructures: flat area, flakes, and voids. The flat area was a dominant microstructure with no obvious secondary particles’ boundaries. The flat area was evaluated as a type microstructure that the theory of AD methods might promise. Accordingly, the present AD run was successful concerning the flat area. The flakes on the resulting layer were considered as a feature that is not subjected to mechanism of the AD methods, hence suggesting a criterion of source particle size.