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Sandwich Structures for Energy Absorption Applications: A Review.

Faris Tarlochan1

  • 1Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar.

Materials (Basel, Switzerland)
|August 27, 2021
PubMed
Summary

Sandwich structures with foam and architected cores are effective energy absorbers for high-impact events. Their lightweight design and high energy absorption capabilities make them suitable for crashworthiness and blast applications.

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Study of Mild Steel Sandwich Structure Energy Absorption Performance Subjected to Localized Impulsive Loading.

Materials (Basel, Switzerland)·2020

Area of Science:

  • Mechanical Engineering
  • Materials Science

Background:

  • Engineering structures must absorb kinetic energy during high dynamic loading events like impacts and blasts.
  • Energy absorbers convert kinetic energy into strain energy via irreversible deformation.
  • Sandwich structures represent a class of energy absorbers designed for these demanding applications.

Purpose of the Study:

  • To review sandwich structures designed as energy absorbers.
  • To evaluate their performance in crashworthiness and blast scenarios.
  • To focus on foam and architected core types within sandwich structures.

Main Methods:

  • Literature review of existing sandwich structure designs for energy absorption.
  • Analysis of performance data in crashworthiness and blast applications.
Keywords:
architected coreauxetic structureblastcrashworthinessfoamhoneycombimpactsandwich structure

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  • Synthesis of findings regarding core materials (foam and architected).

    • Main Results:

    • Sandwich structures are viable energy absorbers due to their light weight and high energy absorption.
    • Both foam and architected cores demonstrate effectiveness in various applications.
    • Literature data is extensive but lacks convergence on a single optimal design.

    Conclusions:

    • Sandwich structures offer significant potential for energy absorption in dynamic loading.
    • The diversity of designs highlights opportunities for future research and development.
    • Further research can lead to sandwich structures with broader applications across different scales.