Results 31 to 40 of about 1,005,662 (212)
Effect of cyclic loads on structural damage of rocket propellant grain [PDF]
Scientific Technical Review, 2019 Rocket motor propellant grain, cast or bonded into the motor chamber or solid coating, is exposed to various loads during its service life. Rocket propellant is a viscoelastic material, whose mechanical properties strongly depend on temperature and ...
Gligorijević Nikola +5 more
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Influence of 1,4-butanediol on hydroxyl-terminated poly(butadiene) based composite propellant binder characteristics [PDF]
Scientific Technical Review, 2015 1.4-butanediol, as a chain extender, was incorporated into a hydroxyl-terminated poly(butadiene) based composite rocket propellant binder composition. As curing agents, isophorone diisocyanate (IPDI) and toluene diisocyanate (TDI) were used.
Brzić Saša +5 more
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Development of Technology and Ballistic Research of the Propulsion Unit for 122 mm Rocket Missile with an Extended Range [PDF]
Problemy Mechatroniki, 2015 The paper presents the results of ballistic studies on the demonstrator missile 122 mm rocket motor of an extended range with the heterogeneous solid propellant.
Bogdan FLORCZAK +2 more
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Aziridine type bonding agents for composite solid rocket propellant
Journal of Physics: Conference Series, 2022 Abstract Bonding agents, as a paramount component in the composite solid rocket propellant, effectively enhance the interactions between polybutadiene matrix and oxidizer. It mainly affects the processing ability, mechanical behavior, and aging.
Mohamed F. Eissa +4 more
openaire +1 more source
C/C-SiC Composites for Nozzle of Solid Propellant Ramjet
Journal of Aeronautical Materials, 2017 Carbon fiber reinforced carbon and silicon carbide matrix composites for nozzle inner of solid propellant ramjet were prepared by using the hybrid process of "chemical vapor infiltration + precursor impregnation pyrolysis (CVI+PIP)".
WANG Lingling +5 more
doaj +1 more source
Advanced Science, EarlyView.The dynamic disulfide bonds facilitated the development of high‐performance aerospace ablation‐resistant materials. At moderate temperature, the dissociation and recombination of disulfide bonds ensured excellent processability, mechanical properties, and recycling ability of phenolic resin; at high temperature, cleavage of disulfide bonds produced ...
Yu Li +9 more
wiley +1 more source
Computational fluid dynamics simulations for composite rocket propellant optimization
IOP Conference Series: Materials Science and Engineering, 2021 Abstract When designing a rocket engine configuration, both in terms of propellant grain, combustion chamber and nozzle geometry, one of the most convenient approach is using Computational Fluid Dynamics (CFD) Simulation. Numerical simulation is an alternative method of scientific investigation, which substitutes large number of ...
F-M Dîrloman +6 more
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Advanced Science, EarlyView.Green mechanochemical copolymerization was developed for universal interfacial modification of Group 13 and related fillers. By leveraging Lewis acid–base coordination to anchor sulfur‐containing polymers—validated via multiscale characterization and DFT—this versatile method boosts performance across liquid fuels, thermal‐shielding materials, and ...
Chen Wang +7 more
wiley +1 more source
Study on peristaltic continuous mixing conveyor for composite propellant slurry mixing
Nihon Kikai Gakkai ronbunshu, 2017 In recent years, the demand for rocket launching has increased due to the development of space technology. However, using inexpensive rockets is not always possible.
Yasuyuki YAMADA +6 more
doaj +1 more source
Polymer Testing, 2023 In order to study the macroscopic mechanical properties and meso damage mechanism of solid fuel hydroxy-terminated polybutadiene (HTPB) propellant under low temperature and dynamic biaxial compression loading, the INSTRON high strain rate hydraulic ...
Tingjing Geng +5 more
doaj +1 more source