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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Searching for the analogues of 1,1-dinitro-2,2-diamino ethylene (FOX-7) by high-throughput computation and machine learning
December 2023
1,1-dinitro-2,2-diamino ethylene (FOX-7) is typically representative of low sensitivity and high energy compound. In this work, analogues of FOX-7 are screened using a combined method of high-throughput...
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The relationships between direct substituents, aromaticity and kinetic stability of pentazole ring
December 2023
The two directly substituted pentazoles, N5NH2 and N5COOH, were designed to theoretically study the relationships between substituents, aromaticity and kinetic stability thereof. Analysis shows their...
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Theoretical study on the interaction between cis-2 bis(benzofuro)[60]fullerene derivative and NO dominated double gas molecule
December 2023
The interaction between cis-2 bis(benzofuro)[60]fullerene derivative and NO dominated double gas molecule was studied at the 6–311G(d,p) basis set level by density functional theory B3LYP-D3 method....
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Purity analysis and by-product separation of pentazole sodium
December 2023
As an important intermediate in the synthesis of most energetic pentazole compounds, the reaction system of sodium pentazole is complex and has many by-products, but there is no suitable HPLC analysis...
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EPDM insulation modified with vinyl triethoxysilane functionalized GO to prevent plasticizer migration in solid propellant
December 2023
Excessive plasticizer migration to the insulation will have a serious impact on the safety of solid propellants. In this paper, the anti-migration EPDM insulation was prepared by introducing vinyl triethoxysilane...
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A mathematical model for estimating the Gurney velocity of chemical high explosives
December 2023
The Gurney velocity is an important performance parameter that characterizes the metal pushing capability of conventional chemical explosives. Herein, this study proposes a mathematical model that aims...
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Characteristics of rotating detonation wave fueled by liquid kerosene with increasing equivalence ratios
December 2023
•Characteristics of rotating detonation waves fueled by liquid kerosene were investigated.•The transitions of unstable detonation to a stable propagation mode were studied in detail.•The transition...
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Deep-learning prediction of safety moiety of salen-type complex crystals towards explosive perchlorate salts
Available online 30 December 2023
Perchlorate compounds are well-known for their explosive and hazardous nature. Considering previously reported perchlorate crystals of salen-type manganese(III) complexes, our study aimed to identify...
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Modeling the process of slag formation in paste propulsion
Available online 25 December 2023
The results of modeling the accumulation of slag residue in the combustion chamber of a propulsion system on pasty propellant obtained using a multiphase flow evolution model are presented. The influence...
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Enhanced combustion reaction and energy output of Al based energetic materials through introducing perfluorocarbon
Available online 20 December 2023
Introducing additional oxidizers in aluminized explosives is an effective way to improve energy performance by enhancing the secondary combustion reaction. In this work, perfluorocarbon as oxidizer...
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Towards understanding the effect of temperature and humidity on the safety and performance of tracer pyrotechnic composition
Available online 14 December 2023
The present work aims to study the effect of environmental hazards, namely, temperature and humidity, on the performance and sensitivity of tracer pyrotechnic composition. The experiments showed that...
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Survey of burning rate measurements in small solid rocket motors
Available online 7 December 2023
Burning rate plays a crucial role in determining the performance of solid rocket motors (SRMs). In the traditional approach for solid propellant propulsion, technical activities regarding burning rates...
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HTPB propellant binder supplemented with nitro potato starch: Formulation, characterization, and thermal decomposition behavior
Available online 28 November 2023
This study conducted a detailed examination of the characteristics of hydroxyl‑terminated polybutadiene (HTPB) doped with potato starch nitrate (NPS) as a high-energy-density binder. The investigation...
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Isomerism of nitratoalkylazoles
Available online 23 November 2023
In the field of energetic materials, traditional materials with high toxicity or other disadvantages are mostly used. There is an urgent need for trinitrotoluene replacements (TNT), which itself is...
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Elaboration, spectroscopic characterization, and study of the thermal decomposition process of energetic composites based on ammonium perchlorate and dual-biopolymers
Available online 17 October 2023
The current study presents a successful elaboration and characterization of an innovative energetic composite based on nitrocellulose and nitrostarch (NCNPS) dual-biopolymers, and ammonium perchlorate...
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3D printed different polymer fuel grains for hybrid rocket engine
Available online 14 October 2023
The advent of various additive manufacturing technologies, such as 3D printing, has changed the structural design and preparation process of rocket fuels. In order to investigate the combustion properties...
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Thermal decomposition behavior and kinetic study of nitrocellulose in presence of ternary nanothermites with different oxidizers
September 2023
Nanothermites have recently attracted a great deal of interest in both military and civilian domains owing to their capability of igniting or exploding and releasing a significant quantity of heat via...
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Synthesis and oxidation chemistry of highly energetic boron/aluminum/magnesium composites
September 2023
The limited use of boron (B) in energetic applications is due to the presence of a native oxide layer on its surface, which acts as a thermodynamic barrier and adds to the dead weight that does not...
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Agglomeration of particles stored in a box
September 2023
Metallic nanoparticles are an essential part of advanced rocket fuels. Because of difficulties caused by hard ignition, incomplete reaction, and large size of combustion residues metallic particles...
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Energetic materials for propulsion applications
September 2023
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A short review of challenges and prospects of boron-laden solid fuels for ramjet applications
September 2023
This short review article explores the advancement, challenges, and prospects of boron-laden solid fuel for ramjet. The energetic aspect of boron combustion is well known, but the complications associated...
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Energy transferred to energetic materials during impact test at reaction threshold: Look back to go forward
September 2023
•Literature data on impact sensitivities is controversial for performed by different devices and protocols.•Simple procedure proposed to define the energy transferred to the sample and absorbed by it...
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Thermal decomposition kinetics and combustion performance of paraffin-based fuel in the presence of CeO2 catalyst
September 2023
In recent years, significant developments have been made in solid-fuel combustion. Paraffin-based fuels could be a potential solid fuel for hybrid and ramjet applications due to their high regression...
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Mechanical and thermophysical properties of energetic crystals: evaluation methods and recent achievements
September 2023
The mechanical properties of energetic crystals (ECs) are relevant to the safety and performance of ammunitions and propellants. Several experimental and theoretical investigations have been conducted...
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