Effectiveness of the scarf repair considering an additional layer optimization for honeycomb sandwich structures with perforation damage

Xu Zhang, Wenrui Li, Xin Wang, Jiangtao Ruan, Shuaiqiang Zhang, Wei Li, School of Aeronautics and Astronautics, Tiangong University, School of Mechanical Engineering, Tiangong University, School of Robot Engineering, Wenzhou University of Technology, Beier Machine Tool Works Co, School of Energy and Safety Engineering, Tianjin Chengjian University

Journal of Composite Materials

Published online on June 25, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
Perforation damage usually occurs in honeycomb sandwich structures, and to restore mechanical properties, the double-sided repair is required for damaged areas. Although it is convenient to directly bond external patches on the structure, the stiffness ...