Classifier-Free Guided Diffusion for Side-Scan Sonar: Joint Data Enhancement with Attention Mechanism
Available online 31 March 2026
Side Scan Sonar (SSS) is crucial for underwater environmental perception and indispensable for applications such as underwater target detection and topographic mapping. Nevertheless, the inherent complexity...
High-g impact survivability of thermal batteries: gas-gun experiments and validated 3D finite-element design guidelines
Available online 31 March 2026
In guided munitions, thermal batteries must survive high-g deceleration during launch while delivering stable electrical power. This study quantifies thermal-battery impact survivability by combining...
Dynamic error correction for hybrid atom gravimeter based on multi-objective joint optimization for high-precision marine gravity surveys
Available online 30 March 2026
High-precision gravity data are an important foundation for key national defense technologies such as passive inertial navigation for submarines and underwater obstacle detection. Hybrid sensor systems...
Reconstruction of complex flame structures for different combustion modes in a strut/cavity flameholder from sparse photoelectric signals
Available online 28 March 2026
Future wide-speed-range scramjet operation will involve complex flame structures across different combustion states, including ignition and blowout. Accurately monitoring the evolution of the flame...
Combustion dynamics and energy release of high-solid-content boron/JP-10 nanoslurry fuel droplets
Available online 28 March 2026
The development of high-energy-density fuels is critical for advancing energy conversion technologies in propulsion and energy systems. Although nanofluid fuels have shown promise in enhancing combustion...
Low-infrared-emissivity atmospheric plasma-sprayed LaBaCo2O5 +δ perovskite coatings toward passive infrared stealth
Available online 28 March 2026
Atmospheric plasma-sprayed (APS) ceramic coatings are widely used for infrared stealth applications, yet low emissivity achieved in bulk materials is often difficult to retain after spraying. Here,...
15N substitution enhances the detonation performances of energetic materials: A case study of ammonium nitrate
Available online 28 March 2026
While isotope substitution has been extensively used to probe reaction mechanisms in energetic materials (EMs), its potential for modulating detonation performance remains largely unexplored. This work...
Fiber construction strategies and properties of boron/fluoropolymer composites
Available online 28 March 2026
Boron is considered a highly promising fuel owing to its high mass calorific value and volume calorific value. However, the oxide layer on its surface considerably restricts its practical application....
Multiscale structure-processing-performance interrelations in high explosives: A review enabled by X-ray computed tomography
Available online 28 March 2026
The performance, safety, and reliability of high explosives (HEs), especially polymer-bonded explosives (PBX), are governed by their multiscale structure, which is shaped by manufacturing processes...
Ultra-low ignition delay conjoined with high thermal stability borohydride hypergolic fuels: Synthesis, combustion characteristic, and decomposition mechanism
Available online 28 March 2026
Hypergolic fuels are a research hotspot in rocket propellant studies. Among numerous hypergolic fuels, octahydrotriborate (B3H8−) based salts exhibit outstanding ignition performance. This study proposes...
Joint Optimization of Jamming Type and Power under Radar State Uncertainty
Available online 27 March 2026
Existing intelligent jamming decision-making methods commonly rely on the perfect information assumption of the radar working state, which is difficult to establish in actual non-cooperative adversarial...
A Ti3SiC2-LaB6 co-modified ceramizable composite with excellent high-temperature corrosion resistance
Available online 27 March 2026
Carbon fiber/phenolic resin (CF/Ph) composite typically suffers from poor high-temperature corrosion resistance, limiting their reliability as thermal protection materials (TPMs) for solid rocket motor...
Damage characteristics of aluminum matrix hollow ceramic sphere composite plate under hypervelocity impact
Available online 27 March 2026
With the rapid advancement of the aerospace industry, the amount of orbital space debris has increased dramatically, resulting in an increasingly severe environment for spacecraft operations. The development...
Enhancing Schizostachyum brachycladum bamboo fiber reinforced PLA composites via plant ash alkali treatment: Interfacial and mechanical performance for lightweight and protective engineering components
Available online 27 March 2026
Plant ash derived alkali treatment has been previously explored for bamboo fiber modification in cement-based composites. However, its effectiveness in polymer matrices, particularly hydrophobic polylactic...
A biomimetic MEMS vector hydrophone with U-shaped piezoresistors for low-frequency sensing and 1/f-noise suppression
Available online 27 March 2026
Hydrophones play an essential role in underwater target detection. To address the bottlenecks of limited sensitivity and high self-noise in low-frequency weak-signal sensing, this study proposes a high-sensitivity,...
Influence of porosity and orthotropic foundation on the stability of orthotropic laminated doubly curved shallow shells
Available online 25 March 2026
Porous materials are increasingly used in laminated composite shallow shells to reduce weight while maintaining structural performance, making it essential to understand how porosity affects buckling...
In-situ investigation of multi-scale damage behavior and failure mechanisms in solid propellant under thermomechanical coupling conditions
Available online 24 March 2026
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...
Fluid-structure interaction between shaped charge underwater explosion and sandwich composite panels
Available online 21 March 2026
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...
A Composite Control Strategy for an Integrated Air-Water Power System under Abrupt Load Variation during the Water-Entry Process
Available online 21 March 2026
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...
A DEM study on mesoscale creep mechanisms in 1,3,5-triamino-2,4,6-trinitrobenzene (TATB)-based polymer-bonded explosive during the dwell process
Available online 20 March 2026
In the hot-pressing process of TATB-based polymer-bonded explosive (PBX), the viscoelastic creep occurring during the dwell stage plays a key role in determining the final density and mechanical properties...
Enhancement of mechanical performances via a novel post-weld friction stir rolling technique for friction stir welded 2195 Al-Li alloy joint
Available online 20 March 2026
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...
Comparison study of the reaction and combustion characteristics of various fluoropolymer/n-Al composites via the reactive molecular dynamics simulation coupled with experimental verification
Available online 20 March 2026
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...
Negative temperature-dependent infrared emissivity in Zn-Doped La3Ga5.5Ta0.5O14 ceramics for passive thermal stealth
Available online 20 March 2026
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...
Data-driven lightweighting and terminal lethality enhancement of PELE projectiles: A comparative machine learning and multi-objective optimization framework
Available online 17 March 2026
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...