Effect of the accelerated aging process on the thermal decomposition of LiAlH4-based composite solid propellants
March 2025
In the present work, a study was carried out on the effect of the accelerated aging process on the thermal decomposition of two composite solid propellants based on ammonium perchlorate (AP) and hydroxy‑terminated...
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Evaluating the performance of ceramic/fabric composite panels against simultaneous steel projectile impacts: An experimental and numerical study
March 2025
•Experiments were conducted on ceramic/fabric composite panels, made from 99.5 % alumina along with Kevlar® and carbon fibre fabrics, to assess their ballistic performance, focusing on the dynamics...
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Exploring the combustion mechanism of single micron-sized aluminum particles with a numerical model
March 2025
In this work, we explore the combustion mechanism of single micron-sized aluminum particles using a numerical model. The Burcat database and Catoire mechanism is considered as the thermodynamic data...
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Chemical compatibility of energetic metal complexes with polymers by thermal analytical techniques
March 2025
•This article represents an interesting piece of work on chemical compatibility of energetic metal complexes with polymers epoxy resin and Viton a by thermal analytical techniques.•The chemical compatibility...
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Synthesis of propellant grade HHTPB by hydrogenation of HTPB using Pd-activated charcoal as catalyst
March 2025
To derive more performance from the conventional composite propellant based on hydroxyl-terminated polybutadiene (HTPB) and ammonium perchlorate (AP), it is envisaged to hydrogenate HTPB, which increases...
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Nitramino-polymer with ether bridges and 1,2,3-triazole subunits incorporated into the polymer chain
March 2025
The creation of novel energetic polymers for future advanced solid composite propellants and gunpowder is an urgent area of modern research. A simple and effective waste-free cycloaddition reaction...
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Highly energetic formulations of boron and polytetrafluoroethylene for improved ignition and oxidative heat release
March 2025
Boron (B) is desirable for energetic applications due to high gravimetric and volumetric energy densities. However, their use is limited because the native oxide shells on their surfaces limit oxidation...
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Core-shell structured α-AlH3/Fe2O3 thermite with improved heat-release and combustion performance
March 2025
Thermites are widely used in propellants, explosives and ignition materials because of their high heat release rate and good combustion efficiency. Structural control over thermites to achieve improved...
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Towards to some published misconceptions about TNT and ɛ-CL20
March 2025
•High impact sensitivity of TNT of 14 - 16 J is due to the air microbubbles in it•Internal porosity & cracks in ɛ-CL20 crystal cause high sensitivity of 2 - 4.4 J•These values were dominated in literature...
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Enhancing accuracy in equivalent in-service-time assessment for homogeneous solid propellants: A novel temperature-independent predictive model utilizing PCA of FTIR data
March 2025
The present study was devoted to setting a universal T-independent predictive model of equivalent in-service-time (EIST) for homogenous solid propellant (HSP) to surpass the limits of the van't Hoff...
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Demonstration of dual-thrust capability in hybrid rockets using multi-layered tubular fuel grains
December 2024
•Novel Multi-Layered Tubular (MLT) fuel grains were designed for Dual-thrust profiles in hybrid rockets.•Fuels with distinct regression rates are arranged as layers to produce a boost-sustain phase...
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Research progress of the combustion characteristics of dust/combustible gas hybrids
December 2024
Due to the high dispersion of solid powder, it is very easy to form a powder/gas hybrid system, which greatly increases the probability and severity of explosion accidents. The researchers both domestically...
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Study on the open-air NEPE solid propellant fire characteristics: Effect of altitude upon the flame performance through CFD
December 2024
Solid propellant fires, characterized by uncontrolled combustion behaviors, are a common occurrence in industries that utilize solid propellants and can lead to significant consequences. However, there...
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Thermodynamics and energy properties of the lowest eutectic mixture of TNBA/MTNP
December 2024
In light of the challenges posed by the low density, diminished energy levels, and shrinkage holes in the loading arise of the current cast-cured explosive liquid vehicle, TNT, the investigation of...
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Pyrolysis mechanism and evolved gas analysis of a promising energetic carbamate-functionalized microcrystalline cellulose nitrate
December 2024
The present study aims to elucidate the decomposition mechanism and gas evolution characteristics of a promising energy-rich carbamated microcrystalline cellulose nitrate (M3CN). The molecular structure...
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Solid propellant burn rate characterization: Effect of copper chromite blend with oxidiser and its storage
December 2024
This work details the study conducted on composite solid propellants with activated copper chromite (ACR) as burn catalyst for its burn rate change with time due to the interaction of ammonium perchlorate...
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Preparation of HNS-based sticks through 3D printing and its combustion performance
December 2024
Microscale energetic materials have garnered considerable attention because they can be integrated in microelectromechanical systems for several potential applications. Hexanitrostilbene (HNS) has been...
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High-nitrogen azotetrazole based pyrogen gas generating propellants: Aspects on synthesis, characterization, combustion characteristics and kinetics
December 2024
Propellant formulations containing a novel high nitrogen azotetrazole salt viz., diammonium 5,5′-azotetrazolate (DAAzT) along with two different binders viz., hydroxyl terminated polybutadiene (HTPB)...
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Novel approach for preparation of the energy-safety balanced cocrystals of attractive nitramines via coagglomeration
December 2024
Co-agglomeration unique crystal engineering approach; in which the co-precipitated micro-particles of nitramines with other energetic materials co-agglomerated by the slurry method; to modify the energetic...
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Combustion features of dispersed aluminum and boron in high-energy composition
December 2024
Combustion of dispersed metals in an oxidizing environment is of practical interest, which is related to the prediction of characteristics of high-energy compositions (HECs) containing metal powders,...
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Exploration of the Application of ADN in Composite Explosives
Available online 19 December 2024
Ammonium dinitramide (ADN) is a high-performance, novel green oxidizer that is commonly used in solid propellants. It offers advantages such as a large oxygen balance and significant gas release, making...
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Synthesis of (1-N-alkylnitramino)methoxy-substituted oxetanes and oligomers based on them
Available online 11 December 2024
A number of functionalized (1-N-alkylnitramino)methoxy-substituted oxetane derivatives have been synthesized using N-chloromethyl-N-alkylnitramines. The compounds were characterized using 1H,13C and...
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Numerical optimization of Hall effect thruster with variation in magnetic field
Available online 30 November 2024
In the present study, numerical analyses were conducted to enhance the strength of the magnetic field. While electromagnetic coils and permanent magnets have conventionally been used for this purpose,...
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Analytical Development to Determine Vibrational Energy Levels and Dissociation Energy of Diatomic Molecules
Available online 30 November 2024
This study presents the development of an analytical method for calculating vibrational energy levels and dissociation energy of diatomic molecules by solving the Schrödinger equation (SE) via the Floquet...
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Influence of ammonium nitrate incorporation on the thermal decomposition kinetics of nitrostarch-based energetic composite
Available online 30 November 2024
The primary objective of this study was the development of a novel energetic composite formulation, focusing on the elucidation of the influence of incorporating an energetic oxidizer, ammonium nitrate...
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