Recent Articles

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ISSN: 2214-9147

Constitutive modeling of deformation-environment coupled damage and failure in solid propellants

Understanding and quantifying the coupled effects of mechanical loading and environmental degradation in solid propellants are crucial for predicting reliability and structural safety of solid rocket...

Thermomechanical response of diamond/Cu for military electronic devices

A multiscale constitutive model is developed to investigate the thermomechanical behavior of diamond/Cu composite for high-reliability military electronics. The critical thermomechanical response, such...

A multi-stage denoising method for underwater acoustic signal based on adaptive decomposition mechanism and multidimensional fusion clustering

To improve the signal-to-noise ratio and information fidelity of underwater acoustic signal, a multi-stage denoising method for underwater acoustic signal based on adaptive decomposition mechanism and...

Multi-modal control of composite-joint-plates considering thermal effects under random excitation

Satellite solar panels are subjected to the dual effects of thermal cycling environments and random disturbances when running in orbit, and their vibration control is a key engineering issue for ensuring...

Ultra-broadband extreme absorption in an optically transparent metasurface with superior adaptability

To address the growing demand for microwave absorbers featuring broad bandwidth, high absorption, and environmental adaptability, this study proposes a microwave absorber based on an optically transparent...

Plasma stealth: Toward next-generation low observability

Stealth technology is pivotal for military survivability, employing a series of techniques to significantly minimize an asset from being detected by hostile radar. Rather than actual invisibility, contemporary...

Enhancement of mechanical performances via a novel post-weld friction stir rolling technique for friction stir welded 2195 Al-Li alloy joint

To improve the strength of friction stir welded (FS-welded) joints of 2195 Al-Li alloy, an innovative friction stir rolling (FSR) technique after friction stir welding (FSW) was proposed by the present...

Data-driven lightweighting and terminal lethality enhancement of PELE projectiles: A comparative machine learning and multi-objective optimization framework

Traditional PELE design faces a persistent conflict between structural lightweighting and extensive damage area. This study proposes an integrated data-driven optimization framework combining ballistic...

Comparison study of the reaction and combustion characteristics of various fluoropolymer/n-Al composites via the reactive molecular dynamics simulation coupled with experimental verification

The combustion mechanisms of nano-aluminum (n-Al) with fluoropolymers are critical for designing advanced energetic materials, yet the distinct roles of non-fluorine elements (O, H, C) within the polymer...

Laser-induced decomposition mechanism of novel polynitrogen energetic material 4,4′-azobis (1,2,4-triazole) (ATRZ): Time-resolved evolution of gaseous products

The novel polynitrogen energetic material 4,4′-azobis(1,2,4-triazole) (ATRZ) has attracted significant research interest due to its high nitrogen content and excellent detonation performance. However,...

Enhancing the efficiency, surface quality and tribological properties in continuous laser cleaning of steel rust via magnetic field assistance for rapid maintenance of military assets

Continuous laser cleaning, while efficient for large-scale rust removal, often introduces excessive heat input, leading to substrate damage and inconsistent surface quality. To address these limitations,...

Crystal morphology characterization and initial concentration effect study of 2,6-diamino-3,5-dinitropyrazine-1-oxide (LLM-105) grown in DMSO solution

Crystal morphology plays a vital role in the properties and performance of energetic materials (EMs). Here, the crystal morphology of 2,6-diamino-3,5-dinitropyrazine-1-oxide (LLM-105) grown in dimethyl...

Unraveling the assembly mechanism of energetic co-particles via coarse-grained molecular dynamics simulations

Energetic co-particles (ECPs) offer an effective strategy for integrating high energy density with improved safety, yet their mesoscale assembly mechanism remains unclear. Herein, coarse-grained molecular...

Mechanism of compaction-induced microstructure evolution and its impact on thermal aging and shock output in ultrafine HNS

The microstructural characteristics of polymer-bonded explosives are crucial to their safety and performance. Ultrafine hexanitrostilbene (HNS)-based PBXs hold potential for micro-detonation systems....

Nitrate ester functionalized ionic liquid as energetic plasticizer for HTPB propellant

Energetic plasticizers are rarely used in HTPB propellants due to compatibility issues; one strategy is usually adopted is to introduce energetic substituents. In this study, the synthesized high-energy...

Fluid-structure interaction between shaped charge underwater explosion and sandwich composite panels

Shaped charges pose a severe threat to Unmanned Underwater Vehicle (UUV) or Autonomous Underwater Vehicles (AUV). Ultra-high molecular weight polyethylene (UHMWPE) exhibit significant application prospects...

Research on all-silicon carbide piezo-resistive high-temperature pressure sensor

This study presents the development of a fully silicon carbide (SiC)-based high-temperature piezoresistive pressure sensor utilizing a circular membrane structure to fulfill the requirements for pressure...

Ballistic performance of spaced multi-layer aluminum armor under fixed dimensional envelope constraints: FEM simulations with ANN-based design analysis

Multi-layered armor is conventionally assumed to outperform monolithic plates of equivalent mass. This study challenges this paradigm for dimensionally constrained systems by investigating AA2024-T3...

Dynamic response of corner-enhanced biomimetic spiderweb hierarchical structure under drop-weight impact

Inspired by the efficient stress dispersion of natural spider webs, this study proposed a novel corner-enhanced spiderweb honeycomb (CESH) sandwich panel. A combined experimental and numerical simulation...

A composite control strategy for an integrated air-water power system under abrupt load variation during the water-entry process

Aerial-underwater trans-medium vehicles have attracted significant interest due to their multi-domain operational capability. However, the performance of existing power systems in such vehicles remains...

In-situ investigation of multi-scale damage behavior and failure mechanisms in solid propellant under thermomechanical coupling conditions

Due to the complex service environment of solid rocket motors, solid propellants are subjected to varying temperature and strain rate loads during storage and flight operations, exhibiting complex failure...

Negative temperature-dependent infrared emissivity in Zn-Doped La3Ga5.5Ta0.5O14 ceramics for passive thermal stealth

Here we report a scalable bulk-ceramic route for mid-wave infrared (MWIR) stealth based on intrinsic emissivity suppression, achieved through one-step sintering of Zn-doped La3Ga5.5Ta0.5O14. An optimal...

HTCI-CF: Intent-driven cooperative control for multi-aircraft cooperative confrontation

Intent recognition and cooperative decision-making are often treated as separate modules in multi-aircraft cooperation. This separation limits the ability of a formation to convert recognised tactical...

Electrospray-assisted microstructural engineering of RDX/PMMA/DOA polymer-bonded energetic composites: binder distribution, sensitivity reduction and performance balance

Electrospraying was investigated as a processing route for tailoring the microstructure and properties of RDX/PMMA/DOA polymer-bonded energetic composites. Formulations containing 10 wt% and 20 wt%...

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