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ISSN: 2667-1344

NTB – a Green Energetic Molecule with Extreme Performance

•NTB (bis[2,2-dinitro-2-(5-nitrotetrazol-2-yl)ethyl]nitramide) emerges as a green energetic compound capable of theoretically surpassing the 10,000 m/s detonation velocity threshold, reaching an estimated...

Micro-Explosion and Recycling of an Iron-Ethanol-Kerosene Slurry Fuel

•Kerosene coating delays Fe oxidation by up to ∼95°C.•5 wt% ethanol triples burn rate, halves combustion time.•Micro-explosions peak at ∼19,707 s⁻¹ in 10 µm slurries.•Closed loop: burn → H₂ reduce → FAST...

Aging effects on mechanical properties, plasticizer loss, and molar mass distribution of double base propellants

This work examines how aging alters the mechanical and chemical properties of double base propellants. Three formulations naturally aged for up to 20 years were analyzed through thermomechanical analysis,...

Metallic Composite Energetic Materials (MCEMs)

Advanced kinetic and thermodynamic analysis of sewage sludge combustion: A study of non-isothermal reaction mechanisms and energy recovery

•Thermochemical methods reduce sewage sludge (SS) volume while recovering energy.•Study identifies six SS combustion stages via deconvolution analysis.•Isoconversional methods used to determine activation...

Impact of aluminum powder content on explosion fireball expansion and shock wave propagation in HMX-based aluminized explosives

This study aims to investigate the effects of different aluminum (Al) powder contents on the expansion process of the explosion fireball and the propagation characteristics of shock waves in 1,3,5,7-Tetranitro-1,3,5,7-tetrazocane...

Study on erosion prediction model of high-energy gun propellant based on machine learning

The erosion characteristics is an important reference index that affects the popularization and application of RDX-based high-energy gun propellant containing energetic plasticizer Diazidonitrazapentane...

Preparation and performance characterization of HMX/F2602/GQDs microspheres by spray drying method

GQDs possess numerous active sites, nano-microstructures, and photo-induced conductivity characteristics. In this study, spray drying technology was employed to explore the application of graphene quantum...

Thermal decomposition behavior and safety assessment of Diazidoglyoxime (DAzG) synthesis for TKX-50 production: A calorimetric and risk classification study

Diazidoglyoxime (DAzG), a pivotal intermediate in the synthesis of dihydroxylammonium 5,5′-bis-tetrazole-1,1′-diolate (TKX-50)—a high-energy-density explosive with growing applications in defense and...

Study on mechanical properties of PBT matrix composites reinforced with surface-modified recycled glass fiber for propellant liner applications

The development of flame-retardant composites with outstanding mechanical features is critical for enhancing the safety and performance of propellant liners in solid rocket motors. This study investigates...

Evaluation of burning rate in ECSP based on the voltage, pressure and initial temperature

Electrically controlled solid propellants (ECSP) have attracted extensive attention due to the tunable burning rate. The burning rate of ECSP determines the applying background of propellants and rocket...

Modeling and optimization of pyrotechnic compositions using central composite design and response surface methodology

This study focuses on optimizing pyrotechnic compositions containing boron (B) and boron carbide (B4C) as fuels and bismuth oxide (Bi2O3) as the oxidizer. A Central Composite Design (CCD) and Response...

Encapsulation of micron-scale aluminum with pluralistic magnetic metallic nanoparticles and its combustion performance

Aluminum (Al) is often used as a metal fuel in solid propellants, whereas Co, Fe and Ni are used as combustion rate catalysts in solid propellants. However, owing to the oxide layer on the surface of...

Dynamically cross-linked CL-20-based energetic films: a high-adhesion solution for PyroMEMS

The development of miniaturized, flexible MEMS pyrotechnic devices necessitates advanced fabrication techniques. Herein, a strategy is reported that leverages the integration of ink-jet printing and...

Synthesis of a new energetic material with high density and detonation performance based on pyrazole–triazole backbones

In this work, a relatively mild nitration method inducing the cleavage of the acetic acid group on the triazole ring was employed to synthesize a series of pyrazole–triazole based energetic compounds,...

The modified Kamlet and Jacobs approach for rapidly predicting the Equation of State and Chapman–Jouguet point of High Explosives

We propose here the modified Kamlet and Jacobs equation, RoseModKJ (Reparametrization of the slope for expansion adiabats), to predict the pressure at different relative volumes across the expansion...

Minimum burning pressure test of bulk emulsion for the purpose of introducing UN test into JIS

The authors performed minimum burning pressure (MBP) test on ammonium nitrate emulsions (ANEs) to validate the test procedure for incorporating the United Nations (UN) 8(e) test into the Japanese Industrial...

Amidoxime-functionalized Covalent Organic Framework for enhanced thermal decomposition of ammonium perchlorate

•Covalent organic frameworks material was introduced as catalyst for the thermal decomposition of AP.•The dioxin‐linked amidoxime-functionalized COF was synthesized.•The functionalized COF possessed...

Impact of explosophoric group isomerism on fine-tuning of energetic compounds: Isomeric N2O2CH3 groups as a key structural motif

Isomeric high-energy oxygen- and nitrogen-rich compounds are an attractive and increasingly important family of energetic molecular materials. The introduction of isomerism as a methodology into the...

Plasma-Enhanced Chemical Vapor Deposited Films on Aluminum Nanoparticles for Enhanced Oxidative Heat Release, Extended Shelf Life, and Better Dispersion Stability

This study explores the use of Plasma-Enhanced Chemical Vapor Deposition (PECVD) to apply coatings from six different organic precursors onto aluminum nanoparticles (Al NPs). The goal is to improve...

Data engineering for AI applications in energetic materials

•Addressing challenges in energetic materials data availability.•Exploring domain-specific LLMs and robotic chemists for data acquisition.•Enhancing data annotation and validation through human-AI ...

Thermal properties and detonation parameters of modified low-sensitive explosive composition

•A novel low-sensitive explosive composition (LSX) has been synthesized.•LSX exhibited eutectic behavior and released more energy during its decomposition.•LSX has lower sensitivity to different stimuli...

One step closer to an effective energetic filler: Substituted (5-azido-1,3-dinitro-1,3-diazapentyl)furazans and their physicochemical characteristics

The necessity of novel improved ingredients for peculiar applications like powders and propellants is boosting the research of energetic materials to replace conventional components. This work deals...

Microspherization of CL-20 via sodium alginate/calcium cross-linking: Investigation of particle size control and combustion characteristics

CL-20 is widely regarded as a promising high-energy component for propellants due to its high energy density, superior oxygen balance, and high theoretical specific impulse. Its microspherization optimizes...

Unraveling the initial decomposition of pyrazolo-triazine energetic materials: Roles of temperature and functional groups from first-principles calculations

Fused-ring energetic materials are increasingly being developed, and investigating their thermal decomposition reactions contributes to a better understanding of their thermal stability. Through first-principles...

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