Synthesis and characterization of pyrazole- and imidazole- derived energetic compounds featuring ortho azido/nitro groups
June 2022
Two novel nitrogen-rich heterocyclic energetic compounds, 5-amino-3-azido-4-nitro-1H-pyrazole (3) and 5,5′-diazido-4,4′-dinitro-1H,1′H-2,2′-biimidazole(6), featuring ortho azido/nitro groups were designed...
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Test and simulation study of the effect of transverse impact stress on the rosette 19-hole gun propellant under low temperature
June 2022
Studying the stress propagation and damage mechanism for the mechanical environment of the gun bore is an important way to popularize and apply the new propellant. Taking rosette 19-hole gun propellant...
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Recent synthetic efforts towards high energy density materials: How to design high-performance energetic structures?
June 2022
Energetic material is a very essential company of compounds, widely used in various fields, primarily in the military industry and space technologies. These compounds are unique in that they are capable...
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Experimental observation and energy performance calculations of potential oxidants O4−/0 and O6−/0 clusters
June 2022
In order to explore novel high-energy and green oxidants, oxygen-rich clusters O4−/0 and O6−/0 were investigated by laser-vaporization source, mass spectrometry and theoretical calculations. Most of...
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On prediction of melting points without computer simulation: A focus on energetic molecular crystals
June 2022
•Two models for prediction of melting points of molecular crystals are developed.•Models 1and 2 provide RMSE ≥ 54 and 57 °C, respectively.•Model 2 does not include any predictable values, only tabulated...
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5,7-diamine-2-nitro-1,2,4-triazolo[1,5-a]-1,3,5-triazine (ANTT): A nitrogen-rich compound suitable for gas generators
June 2022
For the development of safe, non-toxic and environmentally friendly gas generators, a nitrogen-rich compound 5,7-diamine-2-nitro-1,2,4-triazolo[1,5-a]-1,3,5-triazine (ANTT) was synthesized from 3,5-diamine-1,2,4-triazole...
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Nano BaSO4 prepared by microreactor and its effect on thermal decomposition of some energetics
June 2022
Barium sulfate has been widely used in different fields due to its excellent physical and chemical properties, but its application in solid propellants has not yet been explored. In this work, novel...
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Energetic complexes as promoters for the green hypergolic bipropellant of EIL-H2O2 combinations
June 2022
In this work, six energetic complexes were prepared and used as promoters for the hypergolic reaction of 1-ethyl-3-methylimidazolium cyanoborohydride [EMIM][BH3CN] and 90% H2O2. The structures of these...
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Atomic insight into the thermobaric effect of aluminized explosives
June 2022
•The atomic insight into the thermobaric effect was firstly presented.•It was found that whole thermobaric explosion of the RDX-Al system can be simplified as the sum of the RDX decomposition and the...
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Failure mode analysis of electronic detonator under high overload condition
June 2022
Under different overload conditions, the split Hopkins method was used to test the high overload performance of the electronic detonator and the failure status of each electronic detonator component...
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Nanoparticles for energetic applications - Formation and aggregation
Available online 22 June 2022
The application of nanosized metallic particles as additive to propellants for rockets is at the laboratory and research level and except for burning rate modifiers not yet common for industrial applications....
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Synthesis, crystal structure of 2,4-dihydroxybenzoic acid lead and its catalytic decomposition effect on AP and RDX
Available online 9 June 2022
•2,4-Dihydroxybenzoic acid lead (β-Pb) was synthesized and its single crystal structure was reported firstly.•β-Pb crystallizes in the monoclinic system with the space group of C2/m. It is a monoacid...
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Friction sensitivity of nitramine energetic materials: A prediction based on genetic function approximation
Available online 5 June 2022
•Prediction of friction sensitivity of nitramine energetic materials is reported.•A powerful regression method, namely, genetic function approximation is used.•The wide set of molecules is treated obtaining...
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A novel synthetic method of 1,1,4,4-tetramethyl-2-tetrazene (TMTZ) via photocatalytic reaction
Available online 2 June 2022
1,1,4,4-Tetramethyl-2-tetrazene (TMTZ), a potential candidate for replacing 1,1-dimethylhydrazine (UDMH), has excellent properties including a high specific impulse, non-toxicity and non-volatility....
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Theoretical insights on designing of difluoramino compounds
Available online 27 May 2022
In order to screen out novel energetic compounds with excellent comprehensive properties and provide theoretical guidance for design researcher, a series of difluoroamino energetic compounds were designed...
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Recent Advances in Hypergolic Ionic Liquids with Broad Potential for Propellant Applications
Available online 4 April 2022
As a promising choice of new-generation green propellant fuels, hypergolic ionic liquids (HILs) have attracted a great deal of interest in recent ten years, illustrated by their applications in the...
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Molecular dynamic simulations and experimental study on pBAMO-b-GAP copolymer/energetic plasticizer mixed systems
March 2022
In order to investigate the effects of plasticizers on the binding energy, solubility parameter and mechanical properties of pBAMO-b-GAP copolymer (the copolymer of 3,3′-bis(azidomethy) oxetane and...
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Expandable graphite effect on solid fuel and propellant combustion
March 2022
This paper presents an investigation on a novel method for manipulating and enhancing the burning of solid fuels and propellants by expandable graphite additive. Expandable graphite (EG) is a form of...
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Burn rate of a novel boron-AN-water green solid propellant
March 2022
A novel composition of green solid rocket propellant has been suggested and examined. Boron powder was chosen to serve as fuel, for its very high energetic potential, which exceeds that of other common...
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Effect of spherical Al-Mg-Zr on the combustion characteristics of composite propellants
March 2022
In this work, spherical Al-Mg-Zr alloy with intensive heat release were characterized and compared to neat Al powders. The morphology, element distribution and thermal performance were characterized...
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Molecular simulation study on the protective mechanism of three kinds of HTPB propellant antioxidants
March 2022
To investigate the protection mechanism and performance of N-phenyl-1-naphthalenamine (antioxidant A), N-phenyl-2-naphthalene (antioxidant D), and N, N'-diphenyl-1,4-phenylenediamine (antioxidant H)...
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Effect of fast-burning compound ACP and catalyst on the combustion performance of Al/Mg-based fuel-rich HTPB propellants
March 2022
In order to solve the problem of weak injection of fuel-rich propellant and to enhance its burning rate, the combustion behaviors of Al/Mg-based fuel-rich HTPB propellants with 40wt% metal content were...
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Combustion characteristics of cross-linked fluorinated polymer supported aluminum/oxidizer microsphere in HTPB propellant
March 2022
Combustion behaviors of propellant depend heavily on the architecture of the pocket bounded by coarse AP particles. In order to achieve a better control of the meso-scale architecture of the pocket,...
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Effect of micro- and nano-CuO on the thermal decomposition kinetics of high-performance aluminized composite solid propellants containing complex metal hydrides
March 2022
In the present work, an attempt has been made to unveil the effect of micro- and nano-particles of copper oxide (µCuO and nCuO) on the thermal decomposition of composite solid propellants (CSPs) based...
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Hydrogen peroxide – A promising oxidizer for rocket propulsion and its application in solid rocket propellants
March 2022
This paper discusses the potential use of hydrogen peroxide as oxidizer for solid rocket propulsion. While hydrogen peroxide is a liquid in normal conditions, it may be used in solid rocket motor grains....
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