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4D Printed Bifurcated Stents with Kirigami-Inspired Structures
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Kirigami-Inspired Structures for Smart Adhesion.

Doh-Gyu Hwang1, Katie Trent1, Michael D Bartlett1

  • 1Department of Materials Science and Engineering, Soft Materials and Structures Lab, Iowa State University of Science and Technology , 528 Bissell Rd, Ames, Iowa 50011, United States.

ACS Applied Materials & Interfaces
|January 24, 2018
PubMed
Summary
This summary is machine-generated.

Kirigami-inspired cuts create spatially controlled elastic regions, significantly enhancing adhesion strength and enabling directional release for smart interfaces. This novel approach boosts adhesive force capacity by approximately 100 times.

Keywords:
crack trappingdry adhesivefractureinterfacekirigamitunable adhesion

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Area of Science:

  • Materials Science
  • Mechanics of Materials
  • Soft Robotics

Background:

  • Homogeneous adhesive systems have limitations in adhesion control.
  • Kirigami, the art of paper cutting, offers a method for designing tunable material properties.
  • Spatially controlled elasticity is key to advanced adhesive functionalities.

Purpose of the Study:

  • To investigate kirigami-inspired structures for spatially controlled adhesion.
  • To demonstrate enhanced adhesion strength and directional characteristics using kirigami patterns.
  • To explore the potential of these structures in smart interfaces and advanced adhesives.

Main Methods:

  • Fabrication of kirigami-inspired structures with defined stiff and compliant regions.
  • Experimental characterization of adhesive force capacity and anisotropic peeling behavior.
  • Theoretical modeling to correlate bending rigidity and contact width with adhesive performance.

Main Results:

  • Kirigami-inspired interfaces enhance adhesive force capacity by approximately 100-fold compared to homogeneous systems.
  • Directional peeling demonstrates anisotropic adhesion ratios of approximately 10.
  • Bending rigidity and contact width of kirigami structures are identified as critical parameters controlling adhesion.

Conclusions:

  • Kirigami-inspired interfacial structures offer a novel mechanism for spatial adhesion control and enhancement.
  • These designs enable tunable adhesive strength and directional release, paving the way for smart interfaces.
  • Applications include advanced adhesives, wearable electronics, and anisotropic bandages with controlled adhesion and release.