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Towards 4D Printing of Very Soft Heterogeneous Magnetoactive Layers for Morphing Surface Applications via Liquid
Lucas Brusa da Costa Linn1, Kostas Danas1, Laurence Bodelot1
1Solid Mechanics Laboratory (LMS), CNRS, École Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France.
Polymers
|May 14, 2022
Summary
Liquid additive manufacturing (LAM) enables printing of magnetoactive materials for 4D printing. This method creates dynamic 3D surfaces with applications in haptics and camouflage.
Area of Science:
- Materials Science
- Additive Manufacturing
- Robotics
Background:
- Liquid additive manufacturing (LAM) is an emerging technique for fabricating complex structures.
- Magnetoactive materials offer unique properties for responsive systems.
- 4D printing involves materials that change shape or function over time.
Purpose of the Study:
- To develop a general method for printing heterogeneous magnetoactive layers using LAM.
- To demonstrate the creation of 3D morphing surfaces actuated by magnetic fields.
- To explore the potential applications of these 4D printed structures.
Main Methods:
- Characterization of pure silicone line printing to understand LAM's continuous deposition.
- Printing of heterogeneous layers with embedded magnetoactive discs within a silicone matrix.
- Integration of printed layers with silicone substrates to enable 3D pattern formation.
Main Results:
- Successful printing of closed and open shapes, adaptable to LAM's continuous deposition.
- Fabrication of a heterogeneous magnetoactive layer with four embedded discs.
- Demonstration of a system capable of producing 3D surface patterns under an external magnetic field.
Conclusions:
- LAM is a viable and promising approach for rapid 4D printing of magnetoactive materials.
- The developed method allows for the creation of remotely and reversibly actuated 3D surfaces.
- Potential applications include haptics, camouflage, and controlled cell growth environments.
