Recent Articles

Open access

ISSN: 2666-6472

Multi-Scale variographic analysis method for mixing quality evaluation of energetic materials based on Raman spectral imaging

The characterization of heterogeneity is crucial for defining the quality of energetic compounds and describing the evolution of uniformity during the mixing process of energetic materials. This study...

Automatic detection, segmentation, and characterization of 3-nitro-1,2,4-triazol-5-one (NTO) crystal particles during cooling crystallization using deep learning

The complex cooling crystallization process of 3-nitro-1,2,4-triazol-5-one (NTO) directly affects its performance. The introduction of process analysis technology is expected to provide an effective...

Electrocatalytic N=N coupling reaction mechanism on the Ni-based catalysts: A density functional theoretical study

Although electrocatalytic synthesis represents a promising frontier in energetic materials (EMs) development, the mechanistic understanding of the underlying catalytic processes remains elusive, posing...

A state-of-the-art review of hydroxylammonium nitrate (HAN)-based gelled propellants

This paper presents a systematic review of recent advancements in hydroxylammonium nitrate (HAN)-based gelled propellants, analyzing their advantages and challenges as next-generation green and high-energy...

UV-curing 3D printing of composite energetic materials and its challenges

While 3D printing technologies based on various curing methods like thermal curing, photopolymerization, solvent evaporation molding, and melt cooling have been extensively studied in the field of composite...

Development and experimental validation of an explosive combustion evolution model considering inertial constraint in casing motion

In this study, a model is developed to capture the combustion evolution of explosives under mechanical constraints, particularly focusing on the ignition process. The model separates the propellant...

Preparation of hydroxylammonium pentazolate composite microspheres with effective anti-hygroscopicity and their safety

Hydroxylammonium pentazolate (NH3OHN5) is regarded as a novel energetic material with outstanding performance, yet its practical application has been hindered by significant hygroscopicity and high...

Increased formation of higher-valence nitrogen oxides: The catalytic effect of altered cobalt-loaded carbon on the thermal decomposition of ammonium perchlorate

Adding catalysts to regulate the thermal decomposition of ammonium perchlorate (AP) is an essential strategy for enhancing the combustion performance of propellants. In this study, a carbon-loaded Co...

Construction of high energy density azasydnone-pyrazole compounds

The search for advanced energetic materials has shifted beyond traditional groups like nitro to explore non-conventional explosophores. Among these, the azasydnone ring stands out, combining a zero-oxygen...

Preparation and characterization of energetic nichrome firing based on Al/CuO energetic ink jet printing

With the development of Micro-Electro-Mechanical Systems (MEMS) technology, the manufacture of energy conversion elements with metal bridge membranes is becoming more mature, which can be applied in...

Mechanical properties of HTPB propellants: Recent advances and underlying mechanisms

Hydroxyl-terminated polybutadiene (HTPB)-based composite solid propellants (CSPs) are widely used in solid rocket motors due to their excellent mechanical properties and low cost. This review synthesizes...

Effect of carbon nanotubes on thermal decomposition of CL-20 explosive: a molecular dynamics simulation study

CNT is a promising candidate that can improve the characteristics of energetic materials as an additive, while its effects on the reaction of the explosives have not yet been fully elucidated. To understand...

Thermal decomposition mechanism of nitroguanidine via a chemical reaction neural network and experiments

Nitroguanidine (NQ) plays a central role in aerospace and industrial fields, and a deep understanding of its dynamic behavior and reaction mechanisms is crucial for accurately predicting its combustion...

Blocking strategy for metal-azide primary explosives with high EDS safety and detonation ability via fluorinated graphene composite design

Several carbon-nanomaterial@metal-azide composites have been achieved to regulate the sensitivity of metal-azide primary explosives. However, the regulation mechanism of carbon nanomaterials on metal-azide...

Screening of natural deep eutectic solvents and their application in FOX-7 recrystallization

To screen green solvents suitable for the recrystallization of FOX-7, this study combined the conductor-like screening model for real solvents (COSMO-RS) theory with experimental methods to identify...

Facile access to pyrazolo[3,4-d][1,2,3]triazine-2-oxide-based heat-resistant energetic materials via a C-N bridging strategy

The growing demand for advanced heat-resistant energetic materials in deep mining and aerospace applications has driven significant research efforts. This study presents four novel energetic compounds...

Reactive molecular dynamics study on the fluorination combustion mechanism of Al particles in CF4

Combustion of Al in F-containing oxidants possesses some attractive advantages on improving combustion efficiency; however, the mechanism therein has not been fully clarified yet. This study employs...

Transfer learning-enabled density prediction model for energetic molecule screening

Identifying candidates with high crystal density using Quantitative Structure-Performance Relationship (QSPR) models is a primary task in screening energetic molecules. However, due to the scarcity...

Synthesis and ionic assembly of 3-methyl-4-nitro-5- (trinitromethyl) isoxazole (MNTI): Exploring a promising melt-cast explosive candidate

Poor thermal stability is an inherent drawback of trinitromethyl-derived energetic compounds, and improving their thermal stability remains a core research focus in this field. This study reports the...

Rapid ranking of thermal safety realized by accelerating rate calorimetry correlating with small-scale slow cook-off: A case study of four melt-castable explosives

The lack of effective diagnostic tools for thermal safety at the early stage hinders the design of efficient explosives to meet the application demands encountering high-temperature cook-off environments....

Searching for the optimal molar ratio of CL-20/FOX-7 cocrystal via evolutionary algorithm and machine learning

In this work, we report the discovery of the most stable cocrystal molar ratio and structure for CL-20/FOX-7 compounds through an innovative workflow integration evolutionary algorithm with machine...

Mechanisms of jet formation and energy release in aluminized explosives: A DEM-FDM study

Understanding the coupled jet dynamics and afterburning reaction of aluminum particles in aluminized explosives remains a challenge due to the ultra-fast interaction, surpassing the resolution capabilities...

Fabrication and regulation of combustion properties for Al-Li composite fuel utilizing copper perfluorooctanoate in solid propellant

Alloy based composite fuel has been widely studied for its higher combustion effect and energy release, compared with traditional metal fuels. The doping of organometallic salt was the key to facilitating...

Exploring the effects of inserting heteroatoms (N, O, S) into 9-heterocyclo[3.3.1]nonane frameworks on the properties of their energetic derivatives

Bicyclo[3.3.1]nonane scaffold is a privileged ring system frequently encountered in a variety of cage-like compounds. Exploring the synthesis of bicyclo[3.3.1]nonane is of great significance for the...

Nitraminepyrazole ligand boosting ignition and catalytic performance of energetic complexes

The development of energetic combustion catalysts as combustion catalysts for ammonium perchlorate (AP) has aroused increasing interest in recent years. In this work, five energetic complexes (1–5)...

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