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Updated: May 14, 2026

A Polymer-based Piezoelectric Vibration Energy Harvester with a 3D Meshed-Core Structure

A Polymer-based Piezoelectric Vibration Energy Harvester with a 3D Meshed-Core Structure

Published on: February 20, 2019

Recent Advances in Additively Manufactured Polymeric Structures for Mechanical Energy Absorption.

Alin Bustihan^1,2, Ioan Botiz^1,2

¹Department of Physics of Condensed Matter and Advanced Technologies, Faculty of Physics, Babeș-Bolyai University, 400084 Cluj-Napoca, Romania.

|May 13, 2026

Summary

This summary is machine-generated.

Additive manufacturing enables the creation of advanced architected materials for superior energy absorption. These lightweight cellular structures offer enhanced crashworthiness compared to traditional materials.

Keywords:

3D-printed polymeric structures additive manufacturing energy-absorbing applications lattice structures mechanical properties metamaterials

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Area of Science:

Materials Science
Mechanical Engineering
Manufacturing Technology

Background:

Additive manufacturing (AM) allows precise control over geometry, density, and topology.
AM facilitates the design of lightweight cellular structures with enhanced energy absorption.
These structures offer superior crashworthiness compared to conventional energy-absorbing materials.

Purpose of the Study:

To provide a comprehensive overview of recent advances in additively manufactured energy-absorbing structures.
To emphasize the interplay between structural architecture, fabrication technologies, and mechanical performance.
To discuss current challenges and future research directions in the field.

Main Methods:

Evaluation of key AM processes (e.g., FDM, SLA, SLS, MJF) for fabrication capabilities, material compatibility, and limitations.
Analysis of the mechanical behavior of various architectures (2D cellular, 3D lattices, sandwich systems, 4D materials).
Review of energy absorption values and comparison with conventional foams.

Main Results:

Additively manufactured lattices can achieve specific energy absorption values exceeding 20-40 J/g.
These values significantly outperform many conventional foams.
The performance is highly dependent on topology and material system.

Conclusions:

AM is a powerful approach for producing architected materials with tailored mechanical properties and energy absorption.
Challenges include process-induced defects, anisotropic behavior, and lack of standardized testing.
Future research directions include multi-material printing, functionally graded architectures, and adaptive metamaterials for impact mitigation.