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Can the room temperature coating technology escalate the use of 3D printer?
Keywords: 3D printer, aerosol deposition, ceramic coating
Recently, the 3D printer technology attracts great attention as a new manufacturing technology to revolutionize the relationship between customers and makers. This technique was invented as “Stereo-Lithography” method independently in Japan and the United States around 1980 to be well known. In the 1990s, various principles were suggested and realized as a laminated molding technology (Rapid Prototyping), and many studies were accomplished as a quick manufacturing of making the complicated die afterwards. Among them, Fused deposition modeling method, which was originally invented by Strastasys Inc., recently is obtained quite user friendly free forming technology for complicated 3 dimensional structuring with a cheap cost. Even metal and ceramics materials other than resin are possible to use as source materials, but, as for the molding materials with considering precision and molding speed, cost, most are limited to resin. Generally, it may be said that the functions such as feel of a material and the hardness of the structure, the chemical stability are decided with the surface property. On the contrary, there is the advantage to be able to design light weighting, if the internal structure is made from resin. Therefore, metal and ceramic coating on resin surface is maybe very important for 3D printer. Aerosol deposition (AD) method is good candidate for this purpose. This method is a novel thick film coating technology where the impact of solid state particles can create a strongly adherent, high-density nano-crystalline thick layer by gas blasting the submicron-sized particles on to a substrate. The deposition rate is 30 times faster than obtained with conventional thin film technology and the metal and ceramic thin film can be deposited at room temperature on resin substrates. In this talk, firstly the issues of 3D printer hardware to expand their markets will be explained. Secondly, to solve these issues, the combination of 3D printer technology and room temperature coating method as newly developed AD process (Hybrid Aerosol Deposition: HAD) will be proposed.
Jun Akedo,
AIST(National Institute of Advanced Industrial Science & Technology)
Tsukuba, Ibaraki
Japan


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