A lattice created by a multi-material 3-D printer at Georgia Institute of Technology that can permanently expand to eight times its original width after exposure to heat. Credit: Rob Felt
A team of researchers from Georgia Institute of Technology and two other institutions has developed a new 3D printing method to create objects that can permanently transform into a range of different shapes in response to heat. The team, which included researchers from the Singapore University of Technology and Design (SUTD) and Xi’an Jiaotong University in China, created the objects by printing layers of shape memory polymers with each layer designed to respond differently when exposed to heat.
“This new approach significantly simplifies and increases the potential of 4D printing by incorporating the mec...
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