Experimental and Numerical Investigation into the Mechanical Behavior of Composite Solid Propellants Subject to Uniaxial Tension

• Published in: Materials Vol. 16; no. 20; p. 6695
• Main Authors: Wu, Chengfeng, Jiang, Ming, Lu, Yingying, Qu, Hongjian, Li, Hongyan, Hu, Shaoqing
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 15.10.2023; MDPI
• Subjects: Algorithms; Automation; Behavior; Composite materials; Composite propellants; Computed tomography; Computer simulation; Constitutive models; Crack initiation; Damage; Evolution; Finite element method; HTPB propellants; Image processing; Investigations; Mathematical analysis; Mathematical models; Mechanical properties; Mechanics; Medical imaging; Microstructure; Polybutadiene; Simulation; Simulation methods; Solid propellants; Strain rate; Superelasticity; Tensile strength; Tensile tests; China

To further explore the quasi-static mechanical characteristics of composite solid propellants at low strain rates, an investigation was conducted on the mechanical behavior and damage mechanisms of a four-component hydroxy-terminated polybutadiene (HTPB) propellant by means of experiments and numeri...