Chinese scientists develop 4D printed ceramics

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At Springwise, we have covered several innovations in 3D printing. These have included printing personalised ballet shoes, skin grafts and bike tyres. Now, a research team at City University of Hong Kong have developed the world’s first 4D ceramics printer. Unlike 3D printing, where printed objects cannot change shape, 4D printing involves objects that can re-shape or self-assemble themselves over time when implementing external forces, such as pressure, temperature or a magnetic field. The CityU team developed a ‘ceramic ink’. This ink is a mixture of polymers and ceramic nanoparticles. Applying the ink to the 3D-print ceramic precursors which are flexible…

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