Abstract
Recently, the aerosol deposition (AD) has attracted attention in the field of coating technologies. In this process, dry solid particles of ceramics or metals are conveyed by gas and sprayed from nozzles toward substrates, forming thick coatings at low temperature at high deposition rates. The novel features of these processes are regarding the deposition of fine or ultrafine particles on a solid state, instead of molten or semi-molten states as in a conventional thermal spray method. They have significant impact on the coating technology from both principle and application perspectives, and they exhibit a large potential for use in additive manufacturing (AM) technology. Therefore, it is a natural consequence that these solid particle impact processes lead a breakthrough in coating technologies, and are expected to bring new insight to coating technologies such as the AM technology. In this context, we would like to introduce the AD method capable of depositing ceramic coatings at room temperature and present the method’s applicability to the AM technology.
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