Survey of burning rate measurements in small solid rocket motors
June 2024
Burning rate plays a crucial role in determining the performance of solid rocket motors (SRMs). In the traditional approach for solid propellant propulsion, technical activities regarding burning rates...
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Numerical simulation of nano-aluminum ignition in oxygen and steam environments
June 2024
The ignition characteristics of nano-aluminum (nano-Al) in oxygen and steam environments were numerically studied in this work. A detailed kinetic mechanism of nano-Al combustion was developed, and...
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A review on solid propellant micro-thruster array based on MEMS technology
June 2024
With the development of micro-spacecraft technology, micro-nano satellites have the advantages of small size, low power consumption, short development cycle, formation networking, etc., and can complete...
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Energetic material characterization and ignition study of MEMS based micro-thruster for multi spacecrafts missions
June 2024
Over the past few years, there has been a growing recognition of the importance of multi-spacecraft missions for a variety of purposes, including Earth observation, navigation, guidance, climate monitoring,...
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Development of high burn rate propellant and testing in miniature rocket motor for control applications
June 2024
For aerospace vehicles, notably missiles or satellites for attitude and divert control, impulsive thrusters are most desirable if they are quantized as exact instantaneous pulses available over and...
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Enhancement of the energetic performance of solid fuels with metal-fluoropolymer additives
June 2024
Aluminum (Al) holds a pivotal role in augmenting the energetic potential of solid fuel formulations. Its incorporation can notably amplify the energy yield upon combustion. Nevertheless, challenges...
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Enhancing accuracy in Equivalent In-Service-Time assessment for homogeneous solid propellants: A novel temperature-independent predictive model utilizing PCA of FTIR Data
Available online 9 June 2024
The present study was devoted to setting a universal T-independent predictive model of equivalent in-service-time (EIST) for homogenous solid propellant (HSP) to surpass the limits of the van't Hoff...
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Towards to some published misconceptions about TNT and ɛ-CL20
Available online 1 June 2024
•High impact sensitivity of TNT of 14 - 16 J is due to the air microbubbles in it•Internal porosity & cracks in ɛ-CL20 crystal cause high sensitivity of 2 - 4.4 J•These values were dominated in literature...
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Exploring the combustion mechanism of single micron-sized aluminum particles with a numerical model
Available online 27 May 2024
In this work, we explore the combustion mechanism of single micron-sized aluminum particles using a numerical model. The Burcat database and Catoire mechanism is considered as the thermodynamic data...
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Chemical Compatibility of Energetic Metal Complexes with Polymers by Thermal Analytical Techniques
Available online 20 May 2024
•This article represents an interesting piece of work on chemical compatibility of energetic metal complexes with polymers epoxy resin and Viton A by thermal analytical techniques.•The chemical compatibility...
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Evaluating the Performance of Ceramic/Fabric Composite Panels Against Simultaneous Steel Projectile Impacts: An Experimental and Numerical Study
Available online 14 May 2024
•Experiments were conducted on ceramic/fabric composite panels, made from 99.5% alumina along with Kevlar® and carbon fibre fabrics, to assess their ballistic performance, focusing on the dynamics of...
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Synthesis of Propellant Grade HHTPB by Hydrogenation of HTPB using Pd-activated charcoal as catalyst
Available online 12 May 2024
To derive more performance from the conventional composite propellant based on Hydroxyl-terminated polybutadiene (HTPB) and ammonium perchlorate (AP), it is envisaged to hydrogenate HTPB, which increases...
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Core-shell structured α-AlH3/Fe2O3 thermite with improved heat-release and combustion performance
Available online 11 May 2024
Thermites are widely used in propellants, explosives and ignition materials because of their high heat release rate and good combustion efficiency. Structural control over thermites to achieve improved...
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Nitramino-polymer with ether bridges and 1,2,3-triazole subunits incorporated into the polymer chain
Available online 9 May 2024
The creation of novel energetic polymers for future advanced solid composite propellants and gunpowder is an urgent area of modern research. A simple and effective waste-free cycloaddition reaction...
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Highly Energetic Formulations of Boron and Polytetrafluoroethylene for Improved Ignition and Oxidative Heat Release
Available online 26 April 2024
Boron (B) is desirable for energetic applications due to high gravimetric and volumetric energy densities. However, their use is limited because the native oxide shells on their surfaces limit oxidation...
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Rheological properties and curing kinetics of GAP-based propellant slurries
March 2024
The rheological properties and isothermal curing kinetics of the GAP/AN/HMX propellant slurries were investigated by steady rheological measurements and isothermal rheological measurements, and subsequently,...
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The research progress of the azidonitramine plasticizers: Synthesis, properties and applications
March 2024
Plasticizers are functional additives that have been widely utilized to enhance the mechanical properties and processing technology of explosive systems. However, due to the increasing demand for energetic...
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Research progress on design, synthesis and performance of energetic polynitro hexaazaisowurtzitane derivatives: Towards improved CL-20 analogues
March 2024
In order to discover of high-energy materials with characteristics that surpass modern benchmarks, it is necessary to study the widest range of potential structures. The design of energetic compounds...
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Energetic derivatives of 3,3′,5,5′-tetranitro-4,4′-bipyrazole (TNBPz): Synthesis, characterization and properties
March 2024
3,3‘,5,5‘-Tetranitro-4,4‘-bipyrazole monohydrate (TNBPz, 1⋅H2O) is an excellent precursor for the synthesis of new energetic materials (2–12). Several nitrogen-rich salts (e.g. guanidinium, aminoguanidinium,...
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Utilizing surface modification in coating technology to enhance the efficiency of CL-20 desensitization
March 2024
To reduce the mechanical sensitivity of CL-20, this study is based on the surface modification of CL-20, and explores the effects of two preparation processes, the water solution-suspension method and...
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New potential HEDMs with a pyridazine core: Structural modeling and assessment of thermochemical properties
March 2024
The results of modeling the structure of compounds 2,4,7,9-tetranitrobenzo[c]cinnoline (1) and 1,2,3,4-tetrazino[5,6-f]pyridazino-1,2,3,4-tetrazine 1,3,7,9-tetra-N-oxides (2) containing a pyridazine...
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Discovery of high energy and stable prismane derivatives by the high-throughput computation and machine learning combined strategy
March 2024
Motivated by the excellent detonation performance of octanitrocubane, prismane is another potential backbone with high strain energy in energetic molecule design. In this work, we aim to screen out...
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Design, synthesis and curing mechanism of two novel photothermal dual-curing adhesives for propellants and explosives
March 2024
Photothermal dual-curing adhesive is not only required to realize the basic curing function, but also has the characteristics of rapid setting and strong curing, which possesses a vital role in the...
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Synthesis process optimization of 4,4′-azobis (1,2,4-triazole) in a continuous stirred tank reactor (CSTR)
March 2024
4,4′-azobis(1,2,4-triazole) (Atrz) is an excellent thermally stable explosive that is widely used to synthesize high-energy nitrogen-rich compounds. However, current methods for synthesizing this compound...
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