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4D printing valve opens and closes with differences in water temp

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Published on Apr 16, 2015

4D printing is unfolding as technology that takes 3D printing to an entirely new level.

The fourth dimension is time, shape shifting in fact, and the ARC Centre of Excellence for Electromaterials Science (ACES) at the University of Wollongong is helping to set the pace in the next revolution in additive manufacturing.

Just as the extraordinary capabilities of 3D printing have begun to infiltrate industry and the family home, researchers have started to develop 3D printed materials that morph into new structures, post production, under the influence of external stimuli such as water or heat - hence the name, 4D printing.

So, as in 3D printing, a structure is built up layer by layer into the desired shape, but these new materials are able to transform themselves from one shape into another, much like a child’s Transformer toy.

This ground-breaking science promises advancement in myriad fields – medicine, construction, automation and robotics to name a few.

ACES researchers have turned their attention to the medical field of soft robotics, manufacturing a valve that actuates in response to its surrounding water’s temperature.

ACES is the first group to combine printing a 4D device with four different cartridges simultaneously, while using tough gels with the incorporated actuating materials.

Find out more at www.electromaterials.edu.au

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