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March 15, 2026Macromolecular Materials and EngineeringOpen Access

Comparative Framework for Energy Absorption Capacity of Auxetics and Open‐Cell Foams

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Authors

GYGeorge YoussefCRCelia Rufo‐Martín

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Overview

Research reveals auxetics provide superior energy absorption compared to open-cell foams, indicating a shift in material choices.

Key Points

  • This research aims to compare the energy absorption capabilities of auxetic structures and open-cell foams.
  • Developed a comparative energy-based framework
  • Utilized polyurea as the bulk material for both structures
  • Examined the effect of auxetic re-entrant angles on energy absorption
  • Auxetic structures reported a four-fold increase in specific energy absorption compared to open-cell foams
  • Increasing the auxetic angle led to a seven-fold increase in energy absorption across the investigated range
  • The study confirms auxetic metamaterials outperform traditional foam materials in energy absorption capabilities.

Cite This Study

Youssef et al. (2026) studied this question.

synapsesocial.com/papers/69b5ff5c83145bc643d1bd79https://doi.org/10.1002/mame.202500448
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