The energy release characteristics of propylene oxide explosions: Experiments and molecular dynamics simulations
June 2026
•Explosion dynamics parameters of PO under closed and venting conditions have been examined.•Maximum explosion pressure of PO with different concentrations under closed and venting conditions was compared.•Evolution...
Study on micro-mechanism of impact fracture and combustion performance of porous gun propellant based on plane stress
June 2026
The microscopic impact damage law and combustion performance of propellants are crucial for evaluating mechanical properties and ensuring the safety of propellant charge designs. The paper conducted...
What are the prospects for energetic materials bearing the 1,3-dinitro-1,3-diazabutyl group: A breakthrough or an impasse?
June 2026
The synthesis of novel energetic compounds for the development of propellants and powders with significantly improved characteristics is an important and complex task. The combination of little- studied...
Agglomeration and aggregation of particles. Considerations based on the entropy of mixing using a stochastic approach
June 2026
It is well-known that larger quantities of fine powders, such as. nanoparticles, have the tendency to form larger clusters. These clusters may be stable aggregates or loosely bound agglomerates. These...
A Mechanics-Based Framework for Evaluating Bio-Based Plasticizers in High-Solid-Loading AP/Al/HTPB Composite Propellants
Available online 30 June 2026
Evaluating sustainable plasticizers for composite solid propellants requires balancing enhanced ductility with the structural demands of high-solid-loading systems. This study introduces a comparative...
Tetranitro-bimidazole/pyrazole Derived Energetic Salts and Azo-bridged Compounds with Moderate Stability and Insensitivity
Available online 30 June 2026
Tetranitro-bimidazole/pyrazole represent a class of energetic scaffolds featuring high nitrogen-oxygen content and positive heat of formation. In this work, two series of energetic derivatives based...
Energetic 1-Picrylamino- and 1-(dinitropyrazolylamino)-dinitropyrazoles
Available online 23 June 2026
N-(Het)arylation of isomeric dinitropyrazoles bearing amino group at nitrogen of the ring have been investigated. Isomeric N-(picrylamino)- and N-[(N’-methyl)dinitropyrazolylamino) derivatives were...
Application of dipotassium calcium styphnate in green primer cap formulations
Available online 20 June 2026
The synthesis of mono and dipotassium (K-HTNR, K2-TNR) as well as dipotassium calcium styphnate (K2-Ca-TNR2), were optimized and characterized utilizing IR spectroscopy, elemental analysis, as well...
Mathematical model of the ignition of a gel organic fuel droplet interacting with a pool of nitric acid
Available online 16 June 2026
•Mathematical model for gel TMEDA ignition upon contact with WFNA was developed.•Model predicts temperature, concentration fields and ignition delay times.•Numerical results agree with experimental...
From N-amino to N-azo derivatives: Influence of the structure of isomeric azo derivatives of dinitropyrazoles on their decomposition and combustion mechanism
Available online 14 June 2026
•It is hypothesized that the rate-limiting step of 1,1′-azobis(dinitropyrazole)s is the isomerization of the azo groups from the trans-form to the less stable cis-form.•The study of the combustion of...
PANI/Co3O4 Nanocomposite for Room-Temperature CH4 and CO Sensing
Available online 14 June 2026
Methane (CH4) and carbon monoxide (CO) are key gases associated with combustion processes, fire hazards, and fuel leakage events, making their early detection at room temperature critically important...
3D-Printed cellular reinforcements: Mechanical and ballistic responses of paraffin-based armored grains
Available online 4 June 2026
•3D-printed PLA cellular reinforcements are embedded in macro-crystalline paraffin armored grains.•Four reinforcement architectures (gyroid, Schwarz-P, straight and twisted honeycombs) are systematically...
Response and safety evaluation of high explosives under low velocity impact: Testing and modeling
Available online 3 June 2026
The ignition of high explosives, under low impact velocity has been focused for decades. In these years, novel experimental methods with in-situ visualization techniques, have been developed to understand...
Tris(2,2,2-trinitroethyl) orthoformate (TNEF): A Promising Halogen-Free CHNO Oxidizer for Advanced Solid Propellant Applications
Available online 3 June 2026
Tris(2,2,2-trinitroethyl) orthoformate (TNEF) has attracted increasing attention as a halogen-free CHNO-based oxidizer for advanced solid propellant applications. In contrast to conventional oxidizers...
Reduce the Charge Accumulation of Energetic Powder Based on Electrostatic Neutralization: Computational and Experimental Study
Available online 27 May 2026
Charge accumulation in powder particles often induces agglomeration, wall sticking, and other phenomena, which can significantly compromise production efficiency, storage stability, and operational...
Generalized dependence of critical detonation diameter on density for heterogeneous explosives
Available online 21 May 2026
•The experimental dependences of the critical diameter on density for heterogeneous, monomolecular high explosives (HE) and explosive mixtures adopt a "U"- shaped form.•There is an quadratic equation...
A Novel 5/6-fused ring framework for high-energy, low-sensitivity energetic compounds
Available online 21 May 2026
5/6-fused ring compounds show great potential in balancing the sensitivity and energy of energetic compounds. In this work, a novel 5/6-fused ring framework was successfully constructed through a simple...
Ignition and combustion performance of B@Ni composites: Insights from experiment and simulation aspects
Available online 20 May 2026
Boron (B) has the problems of high ignition temperature and incomplete combustion, resulting in low energy release rate and low combustion efficiency. This work demonstrates that Ni deposition on the...
Low-cost synthesis, hypergolicity and combustion characteristics of 1-allyl-3-methylimidazolium dicyanamide/triethylamine-borane complex blend fuels
Available online 16 May 2026
The development of green, high-performance hypergolic fuels as alternatives to toxic hydrazine derivatives remains a critical challenge for next-generation liquid propulsion systems. In this study,...
Mechanical Properties and Constitutive Model study of a GAP-Based Energetic Thermoplastic Elastomer
Available online 16 May 2026
•A viscoelastic model to predict the mechanical properties in a wide temperature range and strain rate of GAP-ETPE is developed.with a high accuracy (>95%)in the high-elasticity region and transition...
Rational Design of Al@PVDF@HMX Composite Energetic Material Exhibits Ultra-high Heat of Explosion
Available online 12 May 2026
Enhancing the combustion efficiency of aluminum (Al) is a crucial research direction for solid propellants. Constructing an efficient fuel-oxidizer interaction environment through interfacial regulation...
Interfacial intermetallic reaction for oxide layer fragmentation: A coating strategy towards aluminum-based energetic materials
Available online 5 May 2026
•Al@Ni, Al@Cu, and Al@Zn were investigated as fuel elements in thermites.•Al@Cu/MoO3 exhibits the most significant improvement in overall performance.•Ignition delay is reduced due to improved heat...
The DNTF coated by three polymers with enhanced thermal safety, combustion properties and decreased sensitivity
April 2026
•Three polymers coated flower-ball shaped 3,4-dinitrofurazanfuroxan (DNTF) composites were prepared using different method.•The direct method was proved to have better coating effect.•The thermal safety...
Dynamically cross-linked CL-20-based energetic films: A high-adhesion solution for PyroMEMS
April 2026
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...