Results 61 to 70 of about 370 (179)

The regulation of ferrocene-based catalysts on heat transfer in high-pressure combustion of ammonium perchlorate/hydroxyl-terminated polybutadiene/aluminum composite propellants

Defence Technology
The regulation of the burning rate pressure exponent for the ammonium perchlorate/hydroxyl-terminated polybutadiene/aluminum (AP/HTPB/Al) composite propellants under high pressures is a crucial step for its application in high-pressure solid rocket ...
Jinchao Han, Songqi Hu, Linlin Liu
doaj   +1 more source

Influence of AP Particle Size on Burning Characteristics of HMX/AP Propellants Supplemented with Fe2O3

Propellants, Explosives, Pyrotechnics, Volume 50, Issue 6, June 2025.
ABSTRACT Nitramine propellants have attracted considerable attention in the domain of solid rockets and gun propulsion because of their energetic and smokeless features. Ammonium perchlorate (AP) is the widely used oxidizer in propellants owing to the excellent burning characteristics.
Makoto Kohga, Koichiro Urano, Hiroki Matsunaga   +2 more
wiley   +1 more source

Ultrasonically Accelerated Nitration of Hydroxyl-Terminated Polybutadiene: Process Efficiency and Product Characterization

Eng
Hydroxyl-terminated polybutadiene (HTPB) is widely studied and the most used prepolymer for the binder system of composite solid propellants. A suitable functionalization of HTPB with energetic groups greatly improves the performance of the propellant ...
Ventsislav Bakov, Spaska Yaneva, Nadezhda Rangelova, Milko Berner, Damyan Ganchev, Nikolai Georgiev   +5 more
doaj   +1 more source

Study on Rheological Properties and Pouring Process of Hydroxyl-Terminated Polybutadiene (HTPB) Propellants. [PDF]

Polymers (Basel), 2023
Wang H, Ji Y, Jiang X, Li Z.
europepmc   +1 more source

Viscoelastic constitutive model of HTPB composite propellant

Journal of Physics: Conference Series
Abstract The nonlinear mechanical behavior and temperature sensitivity of HTPB propellant for solid rocket motors were investigated. The rate-dependent mechanical properties of the propellant were examined through a combination of experiments and numerical simulations.
Beiqiang Qi, Ruixiang Bai, Zhenkun Lei
openaire   +1 more source

A self-sensing HTPB liner for non-destructive monitoring nitroglycerin (NG) migration at the interface between double base propellant and the HTPB liner

Defence Technology
During the storage of composite propellants, the migration of plasticizers and other unbonded additives at the interfaces of liner adhesives has garnered significant attention in understanding liner failure mechanisms, aging processes, and safety ...
Jie Wang, Bo Liu, Yanchun Li, Mengqi Chen, Qian Guo, Dongming Song, Aifeng Jiang   +6 more
doaj   +1 more source

Numerical Conversion Method for the Dynamic Storage Modulus and Relaxation Modulus of Hydroxy-Terminated Polybutadiene (HTPB) Propellants. [PDF]

Polymers (Basel), 2022
Ji Y, Cao L, Li Z, Chen G, Cao P, Liu T.
europepmc   +1 more source

Deep learning-assisted finite element simulation for characterizing the microstructure-dependent stress field of HTPB propellant [PDF]

AIP Advances
This paper proposes an end-to-end deep learning framework based on the U-Net architecture to directly map the microstructure of Hydroxyl-terminated polybutadiene (HTPB) propellant to its mesoscopic von Mises stress field.
Bin Yuan, Hongfu Qiang, Xueren Wang
doaj   +1 more source

The effect of reactive plasticizer on viscoelastic and mechanical properties of solid rocket propellants based on different types of HTPB resin

Defence Technology
Conventional plasticizers deteriorate mechanical and viscoelastic properties of the propellants due to their migration upon aging and long-term storage, which affects reliability and safety properties during exploitation.
Tihomir Kovačević, Slavko Mijatov, Jelena Gržetić, Suzana Cakić, Bojana Fidanovski, Saša Brzić   +5 more
doaj   +1 more source

Effect of MAPO and T313 on the Rheological and Mechanical Properties of Composite Solid Propellant Based on HTPB [PDF]

فناوری در مهندسی هوافضا, 2019
Composite solid propellants have found wide spread applications in missile industries, such as high density, high specific impulse, and possibility of producing large scale grains.
Seyed Amanollah Mousavi Nodoushan, Yahya Ebrahim abadi, Navab Fathi, Hamed Sheikh hasani   +3 more
doaj