Innovative biodegradable chiral sandwich composites: Mechanical performance of 3D printed novel anti-tetrachiral arrowhead architectures

Anis Hamrouni, Kamel Bousnina, Jean-Luc Rebiere, Abderrahim El-Mahi, Moez Beyaoui, Mohamed Haddar, Acoustic Laboratory of Le Mans University , Umr Cnrs , Le Mans, Laboratory of Mechanics Modeling and Production , National School of Engineers of Sfax, University of Sfax, National School of Engineering of Tunis, LMPE Laboratory, University of Tunis

Journal of Composite Materials

Published online on June 05, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
This study investigates the mechanical properties of novel, biodegradable polylactic acid (PLA) and short flax fiber composite sandwich structures with chiral architected cores, fabricated via additive manufacturing. Three core geometries were designed ...