Self-healing performance of flax/epoxy–epoxy core sandwich panels under interfacial delamination assessed by digital image correlation (DIC)

Haftamu Abraha Guangul, Dong-woo Lee, Jung-il Song, Department of Smart Manufacturing Engineering, Changwon National University, Republic of Korea, Research Center, Changwon National University, Republic of Korea

Journal of Sandwich Structures & Materials

Published online on January 20, 2026

Abstract

Journal of Sandwich Structures & Materials, Ahead of Print.
This study investigates the development and performance evaluation of self-healing honeycomb sandwich panels incorporating an intentionally introduced pre-delamination at the face sheet–core interface. Sandwich panels were fabricated with flax/epoxy ...