Mechanical analysis and structure design of gradient fiber-reinforced composite shafts under combined bending and torsional loading

Yonghao Xu, Wensuo Ma, Zhaohua Huang, Jian Ruan, Xiaoqiang Wang, Liguang Yang, Ruidong Man, Dongdong Yin, School of Mechatronics Engineering, Henan University of Science and Technology, Industrial Technology Research Institute of Aluminum-based New Materials, Longmen Laboratory, Department of High-Performance Fiber Preforms, Nanjing Fiberglass Research and Design Institute Co Ltd, Technology Quality Department, SINOMACH Intelligence Technology Co

Journal of Composite Materials

Published online on April 10, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
Radial fiber gradient design offers significant potential for optimizing high-performance composite shafts under geometric constraints. This study develops a 3D analytical model based on Lekhnitskii’s anisotropic elasticity theory and the Mori-Tanaka ...