Synergistic enhancement of load-bearing and energy-absorbing performance in additively manufactured lattice structures through modifications to conventional unit cells
October 2025
The unit cell configuration of lattice structures critically influences their load-bearing and energy absorption performance. In this study, three novel lattice structures were developed by modifying...
Unprecedented energetic zwitterion integrating thermal stability, high energy density and low sensitivity: Overcoming performance trade-offs in conventional energetic materials
October 2025
The simultaneous integration of high energy density, low sensitivity, and thermal stability in energetic materials has constituted a century-long scientific challenge. Herein, we address this through...
Accurate prediction of blast-induced ground vibration intensity using optimized machine learning models
October 2025
Blast-induced ground vibration, quantified by peak particle velocity (PPV), is a crucial factor in mitigating environmental and structural risks in mining and geotechnical engineering. Accurate PPV...
BCDH: Blockchain-based covert Diffie-Hellman key exchange scheme
October 2025
The purpose of the covert communication scheme is to conceal the communication behavior entirely. In such schemes, the sender and receiver rely on secret keys to establish a covert channel. However,...
Three-dimensional burning crack dynamics in constrained spherical explosive: visualization analysis and cavity-coupled pressure modeling
October 2025
Accurate characterization of three-dimensional burning crack propagation remains pivotal yet challenging for energetic material safety, as conventional diagnostics and models inadequately resolve coupled...
Projectile impact and drop weight resistance of functionally graded fiber-reinforced magnetite aggregate concrete
October 2025
Many researchers have focused on the behavior of fiber-reinforced concrete (FRC) in the construction of various defensive structures to resist against impact forces resulting from explosions and projectiles....
Crashworthiness design of concave polygonal CFRP tubes for eVTOL applications under multi-angle compression loading
October 2025
The electric vertical takeoff and landing (eVTOL) aircraft shows great potential for rapid military personnel deployment on the battlefield. However, its susceptibility to control loss, complex crashes,...
Innovative surface modification strategy for ADN: PFOA-interlayered and vibrational magnetron sputtering for constructing anti-hygroscopic composite structures
October 2025
Ammonium dinitramide (ADN), as a high-energy oxidizer widely applied in the field of rocket and missile propellants, has a prominent issue of high hygroscopicity due to its strong polarity. The previous...
Dynamic response characteristics of metal cylindrical shell driven by explosive charge with waveform regulator
October 2025
Waveform regulator in charge is a method that can realize multi-source detonation wave superposition through a single point detonation. The method does not need to weaken the strength of shell, and...
Numerical analysis of a vented methane/air explosion in a large-scale chamber
October 2025
The internal and external flow fields during vented explosions of methane were characterized through numerical simulation, and the capability of numerical simulation thereof was validated by previous...
Dynamic hysteresis brittle behavior and temperature–strain rate-coupled damage modeling: A multiscale study of poly(phthalazinone ether sulfone ketone) under extreme service conditions
October 2025
Poly (phthalazinone ether sulfone ketone) (PPESK) is a new-generation high-performance thermoplastic resin that exhibits excellent thermal stability and mechanical properties. However, its damage and...
Equivalent loading method for the thin-walled floors of armored vehicles with bottom explosion impacts
October 2025
The high cost and low efficiency of full-scale vehicle experiments and numerical simulations limit the efficient development of armored vehicle occupant protection systems. The floor-occupant-seat local...
Investigating the effect of NiO and NiF2 on boron carbide combustion
October 2025
Boron-based fuels, recognized for their high energy density and potential in energetic applications, encounter challenges such as long ignition delays and incomplete combustion, which result in reduced...
The application of porous organic cage as highly efficient desensitizer of RDX
October 2025
The desensitization of nitramine explosives while maintaining energetic performance is challenging. A highly efficient desensitizer is the key to solving the antinomy. This study focuses on using porous...
Historical trajectory, current status, and future challenges of powder engines and propellant supply technologies: A comprehensive review
October 2025
Powder engine as a novel type of engine using high-energy metal powder as fuel and gas, liquid, or solid as oxidizer. These engines exhibit remarkable adaptability, flexible thrust regulation, and multi-pulse...
Experimental study on the dynamic response of HSTM under combined shock waves and sub-millimeter particle swarms loading
October 2025
Low collateral damage weapons achieve controlled personnel injury through the coupling of shock waves and particle swarms, where the particle swarms arise from the high-explosive dispersion of compacted...
High-precision quantitative analysis of 3-nitro-1,2,4-triazol-5-one (NTO) concentration based on ATR-FTIR spectroscopy and machine learning
October 2025
3-Nitro-1,2,4-triazol-5-one (NTO) is a typical high-energy, low-sensitivity explosive, and accurate concentration monitoring is critical for crystallization process control. In this study, a high-precision...
Proportional effects of RDX/Al mixtures on dust explosion characteristics, flame behavior, and explosion mechanism
October 2025
RDX/Al mixtures are widely utilized in energetic materials, yet their hybrid dust generated during production and application poses potential explosion hazards. Moreover, the synergistic explosion mechanisms...
Joint resource and trajectory optimization in a UAV-enabled dual-function radar-communication network
Available online 31 October 2025
The resource and trajectory optimization problem is critical in joint radar and communication systems, as it mitigates spectrum interference and enhances resource utilization. This paper proposes a...
Enhanced Exploration for Multi-UAV Cooperative Roundup: An I2C-MATD3 Reinforcement Learning Framework
Available online 31 October 2025
With the increasing maturity of multi-UAV technology and its broad applications in scenarios such as UAV roundup tasks, this paper proposes a novel approach to enhance interception efficiency and system...
Porosity-controlled gas transport and ignition in slow cookoff of a polymer-bonded explosive
Available online 31 October 2025
To investigate the effects of gas transport on ignition response of polymer-bonded explosives (PBXs) during slow cookoff, this study develops a thermo-mechanically coupled pyrolytic gas transport porous...
A novel flexible operation mode and mission planning method for shipborne helicopter groups
Available online 31 October 2025
To address efficient operation scheduling of shipboard helicopter groups under multi-mission demands and limited deck space, a novel Flexible Operation Mode (FOM) was proposed. Mission grouping, deck...
Ta content-dependent phase evolution and corrosion resistance of ZrTiHfTax high-entropy alloys in 3-nitro-1,2,4-triazol-5-one (NTO) medium
Available online 30 October 2025
High-entropy alloys (HEAs) have emerged as promising candidates for energy structural materials (ESMs) due to their superior mechanical properties and compositional flexibility. However, their corrosion...
Enhancing the accuracy of spaceborne GNSS-R sea surface altimetry using a feature-enhanced multiple base learners ensemble retracking model
Available online 30 October 2025
Sea surface altimetry is critical for ocean dynamics research, including global marine gravity field inversion, sea level change monitoring, and seafloor topography detection, all of which are vital...