Study on the open-air NEPE solid propellant fire characteristics: Effect of altitude upon the flame performance through CFD
Available online 11 April 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
Available online 6 April 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
Available online 3 April 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
Available online 2 April 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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Synthesis process optimization of 4,4′-azobis (1,2,4-triazole) in a continuous stirred tank reactor (CSTR)
March 2024
4,4′-azobis(1,2,4-triazole) (Atrz) is an excellent thermally stable explosive that is widely used to synthesize high-energy nitrogen-rich compounds. However, current methods for synthesizing this compound...
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Discovery of high energy and stable prismane derivatives by the high-throughput computation and machine learning combined strategy
March 2024
Motivated by the excellent detonation performance of octanitrocubane, prismane is another potential backbone with high strain energy in energetic molecule design. In this work, we aim to screen out...
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Design, synthesis and curing mechanism of two novel photothermal dual-curing adhesives for propellants and explosives
March 2024
Photothermal dual-curing adhesive is not only required to realize the basic curing function, but also has the characteristics of rapid setting and strong curing, which possesses a vital role in the...
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Utilizing surface modification in coating technology to enhance the efficiency of CL-20 desensitization
March 2024
To reduce the mechanical sensitivity of CL-20, this study is based on the surface modification of CL-20, and explores the effects of two preparation processes, the water solution-suspension method and...
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Rheological properties and curing kinetics of GAP-based propellant slurries
March 2024
The rheological properties and isothermal curing kinetics of the GAP/AN/HMX propellant slurries were investigated by steady rheological measurements and isothermal rheological measurements, and subsequently,...
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The research progress of the azidonitramine plasticizers: Synthesis, properties and applications
March 2024
Plasticizers are functional additives that have been widely utilized to enhance the mechanical properties and processing technology of explosive systems. However, due to the increasing demand for energetic...
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Research progress on design, synthesis and performance of energetic polynitro hexaazaisowurtzitane derivatives: Towards improved CL-20 analogues
March 2024
In order to discover of high-energy materials with characteristics that surpass modern benchmarks, it is necessary to study the widest range of potential structures. The design of energetic compounds...
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Energetic derivatives of 3,3′,5,5′-tetranitro-4,4′-bipyrazole (TNBPz): Synthesis, characterization and properties
March 2024
3,3‘,5,5‘-Tetranitro-4,4‘-bipyrazole monohydrate (TNBPz, 1⋅H2O) is an excellent precursor for the synthesis of new energetic materials (2–12). Several nitrogen-rich salts (e.g. guanidinium, aminoguanidinium,...
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New potential HEDMs with a pyridazine core: Structural modeling and assessment of thermochemical properties
March 2024
The results of modeling the structure of compounds 2,4,7,9-tetranitrobenzo[c]cinnoline (1) and 1,2,3,4-tetrazino[5,6-f]pyridazino-1,2,3,4-tetrazine 1,3,7,9-tetra-N-oxides (2) containing a pyridazine...
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Rheological and printability evaluation of melt-cast explosives for fused deposition modeling (FDM) 3D printing
March 2024
The rheology of melt-cast explosives is vital for the fused deposition modeling (FDM) manufacturing process. To address this problem, the rheological behavior of 2,4,6-trinitrotoluene/1,3,5,7-tetranitro-1,3,5,7-tetraazacyclooctane...
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Preparation of HNS-based sticks through 3D printing and its combustion performance
Available online 29 March 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
Available online 28 March 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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Multi-Hole Grid Thruster Plume Simulation Model Based on Single Grid Aperture Analytical Model
Available online 13 March 2024
This paper presents a plume divergence angle prediction model for ion thruster. Firstly, an analytical model using Gaussian distribution for single grid hole plume is proposed. The parameters of this...
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Recent application of porous materials in explosives: A mini-review
Available online 13 March 2024
Nowadays, porous structures have exhibited many novel characteristics in the microstructure design of energetic materials, which possesses a unique impact on the macroscopic properties of energetic...
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Novel approach for preparation of the energy-safety balanced cocrystals of attractive nitramines via coagglomeration
Available online 6 March 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
Available online 3 March 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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Combustion of iron particles in solid propellants at elevated pressure
Available online 23 February 2024
Metal fuels, such as aluminum (Al) and iron (Fe), can be added to composite solid propellants to improve their performance, such as specific impulse, density, and burning rate. In comparison to aluminum,...
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Thermal decomposition and combustion performance of the organic-inorganic hybrid crystal structure oxidant DAN-2
Available online 24 January 2024
In this paper, we investigated the potential use of a new organic-inorganic hybrid crystal structure based on KNO3 in ignition compositions. H2dabco[K(NO3)3] (DAN-2) with organic-inorganic hybrid crystal...
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Toward flame retardants or thermal stabilizers with new mechanism for polymers
December 2023
This review discusses conventional flame retardants for polymers and the possibility of using endothermal materials as flame retardants. Halogen-based, phosphorus-based, inorganic compounds, and their...
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Comparative study on the unimolecular decompositions of energetic regioisomers: BFTF-1 and BFTF-2
December 2023
Regioisomeric energetic materials displayed different properties and performances. Understanding the regioisomerism in energetic materials and how it impacts the properties of energetic materials could...
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Application of 1- and 2-propargyl-tetrazole in laser-ignitable energetic coordination compounds
December 2023
1- and 2-Propargyl-tetrazole (1- and 2-PryTz) were synthesized by reaction of propargyl bromide with sodium tetrazolate and used as ligands in energetic coordination compounds (ECCs) and evaluated concerning...
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