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Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
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Viscoelastic multistable architected materials with temperature-dependent snapping sequence.

Kaikai Che1, Chao Yuan, H Jerry Qi

  • 1G. W. W. School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, USA. julien.meaud@me.gatech.edu.

Soft Matter
|March 8, 2018
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Summary
This summary is machine-generated.

We developed temperature-controlled, multimaterial viscoelastic architected materials. These materials enable tunable snapping sequences for reconfigurable metamaterials with adjustable stiffness, offering novel design possibilities.

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Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Polymer Science

Background:

  • Architected materials with snap-through instabilities exhibit sequential deformation under load.
  • Tuning the deformation sequence of architected materials is crucial for advanced applications.

Purpose of the Study:

  • To introduce novel multimaterial viscoelastic architected materials.
  • To demonstrate temperature-tunable snapping sequences in these materials.
  • To explore their potential as soft reconfigurable metamaterials.

Main Methods:

  • Fabrication of soft multimaterial architected materials using 3D printing inverse molding.
  • Utilizing finite element simulations and experimental validation.
  • Systematic analysis of geometrical parameters' influence on critical switching temperatures.

Main Results:

  • Demonstrated temperature-dependent snapping sequences in multimaterial architected materials.
  • Identified critical temperatures for switching deformation sequences.
  • Showcased the ability to achieve distinct stable configurations via temperature control.

Conclusions:

  • Multimaterial viscoelastic architected materials offer tunable deformation pathways via temperature.
  • These materials function as soft reconfigurable metamaterials with tunable stiffness.
  • Temperature serves as an effective control parameter for advanced material functionalities.