Investigation of flexural properties and failure mechanisms in FFF-fabricated PLA/CaCO3 biocomposites

Kishore Ravikumar, Gurusamy Pathinettampadian, Shravan Kumar Yadav, Murugan Vellaisamy, Department of Mechanical Engineering, Chennai Institute of Technology, Tamil Nadu, Department of Mechanical Engineering, SR University, Centre for Additive Manufacturing, Chennai Institute of Technology, Tamil Nadu

Journal of Composite Materials

Published online on February 25, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
This study investigates the flexural performance of polylactic acid (PLA) reinforced with eggshell-derived calcium carbonate (CaCO3) at 5, 10, 15, and 20 wt.% for sustainable fused filament fabrication applications. Composite filaments were fabricated via ...