Russian scientists have developed a method for ceramic three-dimensional printing

Scientists of Tomsk state University have developed a method of three-dimensional printing of ceramics, their properties are not inferior in strength of the high alloy grades steel, non-ferrous metals and many metal alloys.

At present the staff of TSU work to improve technology which in future will enable to produce various three-dimensional product that can be applied in electronics, energy, chemical industry and even in the defense industry. The printer can produce protective panels for spacecraft or satellites, ceramic printed parts can be used to manufacture propulsion systems, substrates, chips, and much more.

“Ceramics take a special place among the new materials, because of the nature of the structures they have different parameters of thermal conductivity, high strength and hardness, which determine their use,” says researcher University Vladimir Misses. – However, there is a problem with the manufacture of ceramic articles of complex shape, therefore, they do not receive wide distribution.”

Vladimir said that is still the main method of manufacture of ceramic molds were injection molding, which was not possible to obtain ceramic articles of complex configuration. Now there are methods of 3D-printing products with complex geometry but they can be used to only porous and not very durable products.

Tomsk scientists developed a 3D printer is able to print high-quality monolithic in structure ceramics of a complex configuration and with a print accuracy of up to tens of microns. With the help of this printer you can make three-dimensional products, hollow sphere and honeycomb shapes. In short, everything that will not work to produce by conventional casting. The printer inherent and continuous printing.

Scientists not only developed the printer itself, they also do the raw material for it, using the “solid flame” using self-propagating high-temperature synthesis, based on the exothermic reaction of combustion scientists obtain ceramic powders, then the powders are made of material, you need to print. At a certain temperature the powder needs to be brought to a creamy state, then you can start to print. When printed semifinished product is ready, it remains to bake.

Vladimir Misses noted that the technology is already patented and all necessary documents approved. Now scientists are working on adapting the printer to different ceramics.

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