A one-step method which involves exfoliating graphite materials (GIMs) off into graphene (GEMs) in aqueous suspension of CL-20 and forming CL-20/graphene (CL-20/GEMs) composites by using ball milling is presented. The conversion mixtures to composite form was monitored scanning electron microscopy (SEM) powder X-ray diffraction (XRD). impact sensitivities CL-20/GEM were contrastively investigated. It turned out that the energetic nanoscale based on GEMs comprising few layers accomplished....

Abstract Prepared composite materials based on [Zn 4 O(benzene-1,4-dicarboxylate) 3 ] (MOF-5) and graphene oxide (GO) via a simple green solvothermal method, at which GO was used as platform to load MOF-5, applied the thermal decomposition of AP. The obtained composites were characterized by various techniques such scanning electron microscopy (SEM), X-ray diffraction (XRD), nitrogen adsorption, Fourier transform infrared (FT-IR), differential calorimetry thermalgravimetric (DSC-TG)....

Polymer bonded explosives (PBXs) have high energy density, excellent mechanical properties and better thermal stability. In this study, droplet microfluidic technology was used to successfully prepare HMX/TATB microspheres. The effects of different binder types concentrations on the morphology microspheres were studied, results proved that NC/GAP (1:4) provides particles a regular spherical good dispersion. Subsequently, influence concentration dispersed phase flow rate continuous particle...

Abstract Colloidal lithography provides a rapid and low‐cost approach to construct 2D periodic surface nanostructures. However, an impressive demonstration prepare large‐area colloidal template is still missing. Here, high‐efficient flexible technique proposed fabricate self‐assembly monolayers consisting of orderly‐packed polystyrene spheres at air/water interface via ultrasonic spray. This “non‐contact” exhibits great advantages in terms scalability adaptability due its renitent dynamic...

Spray drying method was used to prepare cocrystals of hexanitrohexaazaisowurtzitane (CL-20) and cyclotetramethylene tetranitramine (HMX). Raw materials were characterized using scanning electron microscopy, X-ray diffraction, differential calorimetry, Raman spectroscopy, Fourier transform infrared spectroscopy. Impact friction sensitivity tested analyzed. Results show that, after preparation by spray method, microparticles spherical in shape 0.5–5 µ m size. Particles formed aggregates...

To improve the safety performance of HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine) particles, new carbon material graphene oxide (GO) and Viton were used to coat via a solvent–slurry process. For comparison, HMX/Viton/graphite (HMX/Viton/G) HMX/Viton composites also prepared by same Atomic force microscopy (AFM), scanning electron (SEM), X-ray diffraction (XRD), photoelectron spectroscopy (XPS), differential calorimetry (DSC) employed characterize morphology, composition, thermal...

Energetic materials pose challenges in preparation and handling due to their contradictory properties of high-energy low-sensitivity. The emergence co-crystal explosives is a new opportunity change this situation. If the explosive coated into spherical particles with uniform particle size distribution, contradiction can be further reduced. Therefore, binder-coated hexanitrohexaazaisowurtzitane/2,4,6-trinitrotoluene (CL-20/TNT) microspheres were prepared by droplet microfluidic technology...

Ammonium perchlorate (AP) serves as a crucial component in solid propellants. Enhancing its thermal decomposition with catalysts improves the combustion performance of propellants significantly. To enhance catalytic metal-organic frameworks (MOFs) on AP, this study controlled morphology MOFs by adding metal atoms, resulting Fe-Co-MOF catalyst higher specific surface area and dual-metal synergistic effect. The effect AP was investigated using DSC TG-IR, followed studying influence AP-based...

Stable and low-particle size nanoemulsions were prepared using ultrasound homogenization. The conditions for preparing low-viscosity optimized Response Surface Methodology (RSM) experimental design. results showed that the addition of composite surfactants at 1%, an amplitude 35%, time 4 min, temperature 20 °C yielded with best particle stability. distribution was uniform, cold heat stability good. Compared traditional emulsions, nanoemulsion had better environmental stability, storage...

ABSTRACT To investigate a method for rapid prototyping of integrated core and shell micro detonating cord, ink that are compatible with direct writing process have excellent microscale detonation performance were designed on the basis coaxial technology photothermal dual curing technology, cord samples prepared. The morphology characterized evaluated using rheological tester, universal testing machine, scanning electron microscope, an optical other instruments. results indicate possesses...

An ammonium perchlorate (AP) composite system with double-coating encapsulation based on the interfacial polymerization behavior of dopamine (DA) in Pickering emulsions was designed to enhance combustion performance HTPB-based propellants. The proved highly effective mitigating agglomeration issues associated iron oxide nanoparticles (Fe2O3 NPs) as catalysts, AP exhibiting superior compared comprising pure Fe2O3 NPs. results thermal decomposition experiments showed that HTD temperature...

ABSTRACT The flammable and explosive properties of modified double‐base propellants have caused frequent safety incidents during the calendering plasticizing processes. This article uses finite element analysis software Polyflow to study flow characteristics mixing mechanisms materials under varying speed ratios, roller speeds, spacing. Additionally, it aims optimize process parameters enhance process. distribution such as speed, index, viscosity, shear stress in was analyzed. following...

Abstract To improve the safety of RDX (hexogen), an energetic polymer (HP‐1) was introduced to coat with 2,4,6‐trinitrotoluene (TNT) by combining solvent–nonsolvent and aqueous suspension‐melting method. Scanning electron microscope (SEM), transmission (TEM), X‐ray photoelectron spectrometry (XPS) were employed characterize samples, role HP‐1 in coating process discussed. The impact sensitivity, friction thermal stability unprocessed coated investigated, explosion heat samples also...