Viscoelastic damage constitutive modeling of the composite propellants considering coupled interfacial debonding and porosity evolution

Zhelin Dong, Kaining Zhang, Chunguang Wang, Hanlin Wang, Feifei Zhu, State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, an Jiaotong University, an Aerospace Solid Propulsion Technology Institute, Lingkong Tianxing Technology Co, Kash Institute of Electrionics and Information Industry

Journal of Composite Materials

Published online on June 30, 2026

Abstract

Journal of Composite Materials, Ahead of Print.
The composite propellant is a type of particle-included composite material and serves as the power source of solid rocket motors. During service, the composite solid propellant sustains complex mechanical loads, which would cause internal damage and ...