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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
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Turing pattern-based design and fabrication of inflatable shape-morphing structures.

Masato Tanaka1, S Macrae Montgomery2, Liang Yue2

  • 1Toyota Research Institute of North America, Toyota Motor North America, Ann Arbor, MI 48105, USA.

Science Advances
|February 10, 2023
PubMed
Summary
This summary is machine-generated.

Turing patterns, inspired by nature, enable the fabrication of complex inflatable structures using two materials via 3D printing. This approach overcomes limitations in designing advanced shape-morphing composites.

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Area of Science:

  • Materials Science
  • Composite Materials
  • Additive Manufacturing

Background:

  • Turing patterns are natural self-organizing patterns, but their engineering applications are limited.
  • Inflatable shape-morphing structures often rely on isotropic materials and geometric features or complex anisotropic material designs.
  • Gradient-based optimization for inflatable structures assumes anisotropic materials, posing fabrication challenges for additive manufacturing.

Purpose of the Study:

  • To bridge the gap between complex anisotropic material designs and the capabilities of additive manufacturing.
  • To develop a methodology for fabricating advanced inflatable shape-morphing structures using readily available materials and techniques.

Main Methods:

  • Utilizing Turing patterns to translate designs requiring distributed anisotropic materials into a two-material distribution.
  • Employing grayscale digital light processing (DLP) 3D printing for fabrication.
  • Developing a novel methodology for material design inspired by biological self-organization.

Main Results:

  • Successfully demonstrated a method to convert anisotropic material designs into a two-material system suitable for DLP 3D printing.
  • Enabled the fabrication of complex inflatable structures through a novel application of Turing patterns.
  • Showcased the potential of bio-inspired patterns in engineering composite materials.

Conclusions:

  • Turing patterns offer a viable strategy to create complex, shape-morphing structures from simpler, manufacturable materials.
  • This research opens new avenues for designing advanced engineering composites by applying principles observed in biological systems.
  • The proposed methodology facilitates the use of additive manufacturing for creating sophisticated inflatable structures.