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April 10, 2026International Journal of Solids and Structures0 citationsOpen Access

Synergistic Effects of Fractal Order and Layering on 3D-Printed Materials

Synergistic effects of fractal order and microscale layering on the compressive response of 3D-printed architected materials

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Authors

GOGloria OdenyoZZZhennan ZhangAAAbhishek Arora

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Overview

This work demonstrates enhanced energy absorption in 3D-printed materials through fractal design and soft-stiff layering, suggesting improvements in mechanical durability.

Key Points

  • The study investigates how fractal topology and soft-stiff layering affect the compressive strength and energy absorption in architected materials.
  • Conducted quasi-static axial compression experiments on 3D-printed fractal lattices.
  • Explored a design space including fractal order, soft material volume fraction, and layer number.
  • Utilized calibrated finite element simulations to analyze the results.
  • The N = 3 fractal lattice demonstrated fivefold higher energy absorption compared to a standard honeycomb structure.
  • Replacing 50.9% stiff material with a soft layer led to a 43% increase in energy absorption.
  • A single soft layer in a fractal design achieved fully ductile behavior, whereas monolithic designs remained brittle.

Cite This Study

Odenyo et al. (2026) studied this question.

synapsesocial.com/papers/69d893eb6c1944d70ce04e62https://doi.org/10.1016/j.ijsolstr.2026.114001
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