Mechanical characterization and numerical evaluation of auxetic and honeycomb sandwich panels manufactured by masked stereolithography

Luis A. Reyes-Osorio, Ricardo Parga-Monetmayor, Edgar Rojo, Luis Alberto Lopez Pavon, Octavio Garcia-Salazar, Ivan Moreno, Miguel F Delgado-Pamanes, Johana Gamez, Facultad de Ingeniería Mecánica y Eléctrica, Universidad Autónoma de Nuevo León, Nuevo León, Unidad Profesional Interdisciplinaria de Ingeniería, Instituto Politécnico Nacional

Journal of Reinforced Plastics and Composites

Published online on October 30, 2025

Abstract

Journal of Reinforced Plastics and Composites, Ahead of Print.
This study evaluates the structural performance of polymer-based sandwich panels fabricated via masked stereolithography (mSLA), focusing on the mechanical response of auxetic core geometries under quasi-static loading. Two distinct core topologies—...