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August 16, 2026Advanced Functional Materials

Bidirectional Non‐Newtonian Mechanical Metamaterials

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Authors

LHLin HouIntelligent Health (United Kingdom)ZWZhenghao WangShanghai Jiao Tong UniversityZHZijun HuangNortheastern University

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Overview

Experimental study demonstrates bidirectional non-Newtonian stiffness modulation in 3D-printed mechanical metamaterials, highlighting new strategies for impact regulation.

Key Points

  • To develop and experimentally evaluate an inertia-based stiffness modulation mechanism enabling bidirectional, velocity-dependent non-Newtonian mechanical metamaterials.
  • Designed an inertia-based mechanism to achieve distinct stiffness states across differing loading velocities.
  • Fabricated prototype metamaterial architectures utilizing 3D printing techniques.
  • Conducted dynamic mechanical characterization on a velocity-controlled testing platform.
  • Successfully expanded velocity-dependent non-Newtonian behavior from unidirectional to bidirectional loading regimes.
  • Achieved rate-dependent mechanical stiffness modulation governed by structural inertial effects during dynamic testing.

Cite This Study

Hou et al. (2026) studied this question.

synapsesocial.com/papers/6a8179eff2fb91fc834ad574https://doi.org/10.1002/adfm.77678
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