Real-time X-ray diffraction measurement on laser shock-loaded hexanitrostilbene (HNS)
September 2024
Understanding the lattice evolution of hexanitrostilbene (HNS) is crucial for ensuring its safety and reliability under shock loading. However, the lack of in situ, real-time diagnostics has limited...
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Dual control over the reignition and combustion performance of hydroxylammonium nitrate-based gel propellants
September 2024
Hydroxylammonium nitrate (HAN; NH3OH + NO3−), a green and non-toxic monopropellant, finds wide application in liquid and controllable solid propulsion. Gel propulsion enjoys advantages such as a high...
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Interactions between a neutral polymeric bonding agent and nitramine explosives and their influencing factors
September 2024
Neutral polymer bonding agents (NPBAs) have proven highly effective in enhancing the interfacial bonding between the bonding matrix and nitramine explosives such as cyclic trimethylene trinitramine...
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A new sulfur-containing laser-sensitive primary explosive based on thiazole-4-carbohydrazide
September 2024
This study effectively synthesized thiazole-4-carbohydrazide (SZCA) and its ionic salt SZCA·HClO4 and energetic complex Cu(SZCA)2(ClO4)2 (ECC-1). The new compound SZCA, SZCA·HClO4 and ECC-1 were fully...
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Tensors of thermal deformation for various polymorphic modifications of 2,4-dinitroanisole
September 2024
The anisotropic characteristics of thermal deformation of ultrapure 2,4-dinitroanisole (2,4-DNAN) crystals were determined by the methods of powder thermorentgenography of the internal standard. The...
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Construction and combustion behavior of horizontal two-dimension combustion networks of boron-metal oxides
September 2024
In order to break through the top-down combustion mode brought by the traditional pillars, it is explored to explore the exploration of delay composition array construction in two-dimensional dimensions....
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Cover Story
September 2024
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Application of inkjet printing using micro-nano CL-20-based PVA colloidal suspension with desensitization to MEMS-based pyrotechnics
September 2024
The micro-scale detonation sequence prepared by the inkjet printing using all-liquid 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazawurtzitan (CL-20)-based energetic inks enables the micro-space fine-scale...
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Design and performance of a micro-scale detonation train with a built-in pyrotechnic MEMS-based safety and arming device
September 2024
To improve the equipment miniaturization and reliability of weapons and ammunition systems, this study designs a micro-scale detonation train (MDT) with a built-in pyrotechnic microelectromechanical...
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Features of the mechanism of pasty propellants burning
September 2024
The composition of a pasty propellant for small-sized space engines has been proposed. For this propellant, a research of the burning process was carried out. This research included the determination...
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Storage stability and safe storage life assessments of gradiently denitrated spherical gun propellants
Available online 30 September 2024
As a new type of gun propellant, Gradiently denitrated spherical gun propellants (GDSP) demonstrate excellent progressive combustion performance and clean combustion performance. However, its unknown...
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Quantitatively determining melting properties for energetic compounds via knowledge-infused molecular graphs and interpretable deep learning
Available online 13 September 2024
The melting properties of energetic compounds are critical to their performances, but challenges persist in understanding the molecular features and design strategies that drive these properties. Integrating...
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Construction of fused N-oxide via in situ ring closure strategy: New pathway to high energy low sensitivity energetic compounds
Available online 12 September 2024
A mild and efficient way to form fused N→O moiety by in situ ring closure reaction was proposed and studied. Compared with other methods to synthesize fused N-oxides, the new strategy is much safer...
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Micromechanical models and experiments for diffractive elastic constants of TATB-based polymer-bonded explosives
Available online 12 September 2024
TATB-based polymer-bonded explosives (PBXs) exhibit intricate internal stress distributions due to crystal anisotropy. When diffraction techniques are employed to measure these internal residual stresses,...
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Shock reaction model for impact energy release behavior of Al/PTFE reactive material
Available online 12 September 2024
Metal/polymer reactive materials are inert under normal temperature and pressure conditions and possess a certain level of structural strength, allowing them to be fabricated into components such as...
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Chemical reaction mechanisms and models of energetic materials: A perspective
Available online 10 September 2024
Energetic materials (EMs) are a kind of metastable functional materials with certain potential barriers, overcoming which can quickly release the energy stored in EMs. A thorough understanding of reaction...
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Targeted nano-energetic material exploration through active learning algorithm implementation
Available online 7 September 2024
This paper presents an active learning-based method designed to guide experiments towards user-defined specific regions, termed ”regions of interest,” within vast and multi-dimensional thermite design...
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First Comprehensive Study of Energetic (Methoxy-NNO-azoxy)furazans: Novel Synthetic Route, Characterization, and Property Analysis
Available online 31 August 2024
This paper provides the first in-depth study of energetic methoxy-NNO-azoxy compounds. 3-Amino-4-(methoxy-NNO-azoxy)furazan (7) is a useful precursor to a number of high-enthalpy substituted (methoxy-NNO-azoxy)furazans...
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Synthesis and characterization of amphoteric salts and azo-bridged heat-resistant explosives with a 1,2,4-triazole framework
Available online 30 August 2024
The formation of anions and cations from amphoteric compounds is an effective method to adjust the properties of amphoteric energetic materials, but there are few reports in the field of energetic materials....
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Nitrogen-rich skeleton reassembled ECOFs as energetic materials with low sensitivities and good corrosion resistance
Available online 17 August 2024
Corrosion between energetic materials and metal containers can accelerate material aging and failure, significantly affecting the safety, reliability, and lifespan of ammunition systems. To address...
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On-site trace detection of explosives: From ultra-sensitive SERS to integrated detection technology
Available online 12 August 2024
In light of escalating global tensions and the persistent frequency of terrorist incidents, explosives have caused unpredictable serious environmental problems in the worldwide. The imperative for rapid,...
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Construction of electrochemical flow reactor: Static mixing and micro-cell for dehydrogenation oxidation from TNT to 2,2′,4,4′,6,6′-hexanitrostilbene
Available online 12 August 2024
From the electrochemical synthesis in beakers to the application of electrochemical reactors, flow electrosynthesis has become more and more prominent in the field of organic synthesis. But for multi-feed...
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Amphoteric feature of 3,5-diamino-6-hydroxy-2-oxide-4-nitropyrimidone and its highly-stable energetic anionic salts
Available online 22 July 2024
Most energetic molecules can only form cations or anions, limiting the structural diversity and performance regulation. In this study, we have presented the interesting amphoteric feature of 3,5-diamino-6-hydroxy-2-oxide-4-nitropyrimidone...
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Anisotropic shock response in oriented omnidirectional TATB supercells based on reactive molecular dynamics simulations
Available online 18 July 2024
1,3,5-Triamino-2,4,6-trinitrobenzene (TATB) is a highly insensitive energetic material used in applications where extreme safety is required primarily. Ensuring the safe use of TATB as planned relies...
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