The team used a continuous carbon fiber 3D printer that laid down hair-thin bundles of fiber, with each layer partially cured using ultraviolet light; the structure was then frozen with liquid resin and later activated with heat — requiring no large autoclaves or ovens
The technique morphs 2D shapes into 3D structures. PIC COURTESY/University of Illinois
A team of researchers has developed a low-energy, scalable technique that can morph 2D materials into strong 3D structures using a combination of 3D printing and a heat-triggered chemical process.
The team used a continuous carbon fiber 3D printer that laid down hair-thin bundles of fiber, with each layer partially cured using ultraviolet light.
The structure was then frozen with liquid resin and later activated with heat — requiring no large autoclaves or ovens.
The trick lies in frontal polymerisation, a heat process that curves the flat sheet through a self-propagating reaction.
The printing patterns were coded to create a spiral cylinder, a twisted strip, a cone, a saddle, and a parabolic dish.
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