ArticlePolymers2023
The Energy Absorption Behavior of 3D-Printed Polymeric Octet-Truss Lattice Structures of Varying Strut Length and Radius.
Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Recent Advances in Additively Manufactured Polymeric Structures for Mechanical Energy Absorption.Polymers · 2026Review
- Hollow Auxetic Polymer Structures with Manufacturing-Constrained Design and Mechanical Validation.Polymers · 2026Article
- Mechanically resilient 3D lattices with soft-hard bicontinuous nanostructures via phase-separated interpenetrating composites.Scientific reports · 2025Article
- The Designs and Testing of Biodegradable Energy-Absorbing Inserts for Enhanced Crashworthiness in Sports Helmets.Materials (Basel, Switzerland) · 2024Article
- Design, Manufacturing, and Analysis of Periodic Three-Dimensional Cellular Materials for Energy Absorption Applications: A Critical Review.Materials (Basel, Switzerland) · 2024Review
- Enhanced Energy Absorption of Additive-Manufactured Ti-6Al-4V Parts via Hybrid Lattice Structures.Micromachines · 2023Article
- Design and Study of Fractal-Inspired Metamaterials with Equal Density Made from a Strong and Tough Thermoplastic.Polymers · 2023Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
We investigate the compressive energy absorption performance of polymeric octet-truss lattice structures that are 3D printed using high-resolution stereolithography. These structures are potential candidates for personal protective equipment, structural, and automotive applications. Two polymeric resins (high-strength/low-ductility and moderate-strength/high-ductility) were used in this work, and a comprehensive uniaxial tensile characterization was conducted to establish an optimal UV curing time. The external octet-truss structure geometry (3″ × 3″ × 3″) was maintained, and four different lattice cell densities (strut length, L) and three different strut radii (R) were printed, UV cured, and compression tested. The compressive stress-strain and energy absorption (EA) behavior were quantified, and the EA at 0.5 strain for the least dense and smallest R structure was 0.02 MJ/m
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