FRST (IMAGE)

Singapore University of Technology and Design

FRST

Caption

A Fast-Response, Stiffness-Tunable (FRST) soft actuator is fabricated by hybrid multimaterial 3D printing. Owing to the thermomechanical properties of an embedded shape memory polymer layer, the actuator exhibits flexibility when heated yet high stiffness (120 times its purely elastomeric counterpart) when cooled. Assisted by Joule-heating and fluidic cooling, the heating-cooling cycle is completed within 32 s.

Credit

SUTD

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