Recent Articles

Open access

ISSN: 2214-9147

Overcuring-assisted mechanical interlocking of metal–polymer composites fabricated by vat photopolymerization

Metal–polymer hybrid structures offer significant potential for lightweight and high-performance applications; however, achieving robust interfacial joining between dissimilar materials remains challenging....

Integrated scheduling optimization of carrier-based aircraft deck operation for comprehensive efficiency

An aircraft carrier's formidable combat capability relies on sorties, with efficient deck operations as the core to enhance sortie and recovery capabilities. First, this study develops an integrated...

Review on all-dielectric metasurface encryption technology

Quantum computing poses a potential threat to traditional encryption algorithms, making the development of new high-security information protection technologies crucial. Metasurfaces, capable of precisely...

Effect of expanded graphite and impact energy on compression-after-impact behavior of carbon/Elium® and carbon/epoxy composite systems

This study provides a comparative assessment of how matrix type and expanded graphite (EG) addition influence the compression-after-impact (CAI) performance of carbon-fiber composites. EG was incorporated...

Multi-parameter fusion-based bias compensation enabling 0.0194 (°)/h BI and 0.0001 (°)/s threshold in MEMS QMG

With the rapid advancement of error correction technologies such as closed-loop quadrature control and mode matching, the performance and accuracy of Micro-Electro-Mechanical Systems (MEMS) Quadruple...

An Exterior-Ballistics-Informed Real-Time Parallel Servo-Fire-Control Method for Remote Weapon Systems in Counter-UAV Operations

Low, slow, and small (LSS) unmanned aerial vehicles (UAVs) pose severe asymmetric threats in recent regional conflicts, yet existing remote weapon systems (RWSs) generally lack effective countermeasures....

Synergistic mechanical-thermal mechanisms of microstructural homogenization in 35CrNi3MoVNb steel fabricated by composite shear flow casting

Refinement of the solidification microstructure is critical for mitigating macrosegregation, minimizing casting defects, and enhancing the mechanical isotropy of high-strength low-alloy steels. To achieve...

Failure behavior of ceramic with pre-existing micro-voids under quasi-static and dynamic loadings based on experiments and CZM model

This study innovatively establishes a numerical model for heterogeneous ceramic materials containing pre-existing damage (micro-voids) based on the cohesive zone model (CZM). Quasi-static compression,...

Intramolecular ion-pair synergy method for constructing novel high-energy assemblies

Energetic ionic salts represent a simple and effective strategy for improving the energy and stability of energetic compounds. However, the performance tuning of single-component ionic salts can hardly...

Prior-Model-Driven disturbance rejection control and virtual flight validation for multi-body separation in strongly interfering flow fields

During missile base-bleed or tail-off separation, the wake of the forebody generates intense unsteady aerodynamic disturbances, which can lead to severe attitude instability and potential collision...

Additive manufacturing of architected structures for thermal signature reduction in multifunctional stealth armored vehicles: A comparative study with conventional camouflage netting

Thermal signature management is a crucial aspect of Infrared (IR) stealth technology in both military and civilian applications, particularly for armored vehicles and critical infrastructure. This study...

Underwater jet-cavitation coupling: Experimental study on hydrodynamics and noise

A closed-water-tunnel experimental system was developed to investigate the coupling between an underwater gas jet and a jet-induced tail cavity. The effects of nozzle pressure ratio (NPR), Froude number...

ADAPT-planner: Asynchronous distributed adaptive priority-based trajectory planner for heterogeneous AAV swarms

The growing deployment of heterogeneous autonomous aerial vehicles (AAVs) in urban environments increases inter-agent collision risk, posing significant challenges to safe, scalable swarm coordination....

Enhancing RANS fidelity in scramjets: A machine learning calibration of turbulence model parameters for coupled turbulent combusion

The Reynolds-averaged Navier–Stokes (RANS) equations remain the core of engineering numerical simulations for scramjet. However, the default parameters of the widely used SST turbulence model are calibrated...

Construction of SiC with directional tendency nanofibers by microwave heating for high-efficiency electromagnetic wave absorption

Silicon carbide (SiC) nanofibers combine exceptional thermal stability, chemical resistance, mechanical robustness, and favorable dielectric characteristics, rendering them highly attractive for high...

Polarization representation spaces for enhancing target detection and recognition: A review

Polarization-based target detection and recognition (TDR) provides an effective means to enhance target discrimination in complex scattering environments by exploiting polarization information beyond...

RMDD: Randomized Multi-Feature Recomposition and Decoupled Class-wise Rectification for Underwater Acoustic Target Recognition

Complex marine environments affect passive sonar target-radiated noise through ambient interference, propagation loss, and changing observation conditions, causing the effectiveness of different acoustic...

From passive perception to active control and collaborative planning: A system-level survey on UVA visual moving target tracking

Relying on high maneuverability, unmanned aerial vehicles (UAVs) have become an important frontier direction in the field of moving target tracking. Due to their high adaptability, UAVs equipped with...

Morphology dependent hygroscopicity mechanism of ammonium dinitramide: A combined molecular dynamics and dynamic vapor sorption study

The hygroscopic behavior and underlying microscopic mechanisms of acicular, tabular, and spherical ammonium dinitramide (ADN) were systematically investigated at 298 K and 323 K under 100% relative...

Research progress on the structure, function, and performance evaluation of hard-target penetration fuzes

As the core decision-making and initiation-control unit in penetration weapons, the hard-target penetration fuze (HTPF) is critical to the terminal lethality of warheads against hard and deeply buried...

Detonation properties of EPS-sensitized low-density emulsion explosive: Critical diameter, effect of charge diameter on velocity of detonation, and comparison with ANFO explosive

This paper presents the results of three systematic experimental studies on the detonation properties of a low-density emulsion explosive composed of an emulsion matrix sensitized with expanded polystyrene...

Directional damage characteristics and fragments velocities circumferential distribution calculation method of cased double-layer composite charges

To supplement the theoretical basis of double-layer composite charges and promote their application in the field of directional damage, this study investigates the directional damage characteristics...

Uncertainty characterization of small-angle azimuthal RCS for stealth-aircraft detectability assessment

Radar cross section (RCS) is a key metric for characterizing the electromagnetic scattering behavior and radar detectability of stealth aircraft. For platforms with established RCS databases, trajectory-based...

Resource management strategy for maneuvering multi-target tracking in cognitive radar network under non-ideal communication

A joint node selection and power allocation (JNSPA) resource management strategy is proposed in this study to minimize the total system power consumption in cognitive radar network (CRN) under non-ideal...

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