Recent Articles

Open access

ISSN: 2214-9147

Research on ballistic performance of 3D woven fabrics with hybrid binding yarn structures

With superior structural integrity and design flexibility, 3D woven fabrics exhibit unique potential in ballistic protection applications. However, the anisotropic yarn distribution renders traditional...

Elucidating the thermal decomposition mechanism of advanced energetic composites based on nitrated cellulose carbamate/ diethylene glycol dinitrate supplemented with organic stabilizers

This study evaluates the stabilizing effect of lignin, extracted from Eucalyptus globulus, on an energetic composite of nitrated cellulose carbamate (NCC) plasticized with diethylene glycol dinitrate...

Approach angle constrained and varying speed cooperative guidance against maneuvering targets

This paper addresses the three-dimensional (3-D) approach angle constrained cooperative guidance problem for speed-varying missiles against maneuvering targets. First, the guidance problem is formulated...

Experimental and numerical investigation of incident angle effects on the dynamic response of RC beams under near-field blast loading

Reinforced concrete (RC) beams face potential near-field blast threats as key structural components in building structures. To investigate the failure modes and dynamic responses of RC beams subjected...

Ta content-dependent phase evolution and corrosion resistance of ZrTiHfTax high-entropy alloys in 3-nitro-1,2,4-triazol-5-one (NTO) medium

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...

Effects of end caps of cylindrical casing on fragment velocity distribution

Fragment velocity distribution is an important parameter affecting the terminal effects of warheads. The rarefaction wave, end cap, and its confinement state can significantly affect the fragmentation...

Ultra heat-resistant hydrogen-bonded organic framework: Breaking the thermal stability limit of high-energy materials

The pursuit of heat-resistant energetic materials (HREMs) with thermal stability beyond 450 °C presents a significant challenge that has yet to be achieved. In this work, we develop an innovative electronic...

A backstepping adaptive control scheme with prescribed asymmetric performance guarantees for large-calibre artillery servo follow-up systems

The increasing demand for artillery firepower, coupled with the growing size of gun barrels, imposes significant challenges on servo system performance. To address these challenges while ensuring fast...

Arginine-derived inhibitor-based anticorrosion coating for carbon steel in 3-nitro-1,2,4-triazol-5-one (NTO) medium: Integration of experimental and multiscale simulations

As a representative insensitive high explosive, 3-nitro-1,2,4-triazol-5-one (NTO) has garnered significant attention due to its ability to substantially reduce the risk of accidental detonation in munitions....

Rational design of planar lamellar energetic crystals via intermolecular interaction engineering: Synergistic mechanisms for balancing energy and safety

Energetic materials face critical challenges in balancing energy density and safety, driving the development of low-sensitivity high-energy materials. Though vital for modern defense and civilian applications,...

Effects of carbon dots and their composites on the burning performance of HMX-CMDB propellant

Designing efficient, stable dual-functional combustion catalysts remains a key challenge in developing next-generation solid propellants, particularly in achieving wide pressure plateau combustion....

ReacNetwork: A method for large-scale reaction network analysis of energetic materials

The combustion and detonation processes of energetic materials exhibit remarkable complexity and ultra-fast transient characteristics. While reactive molecular dynamics has been extensively employed...

Numerical calculation method of virtual nodes in complex structural composites: mechanical properties characterization and numerical simulation of combined Wbraid/Al/Epoxy functional structural materials

Existing numerical methods for complex composites, such as multiscale simulation and neural network algorithms, face significant limitations. Multiscale techniques are often prohibitively expensive...

Dynamic behavior and damage evaluation of prototype caisson wharf against underwater explosion

Gravity-caisson wharves have been widely constructed in coastal and island regions, which are threaten by potential underwater explosions. This work aims to study the dynamic behaviors and propose a...

Hotspot evolution and shock-induced reaction mechanism in aluminum explosives

Aluminum nanoparticles, owing to their high energy density and excellent reactivity, are widely used to enhance the energy release efficiency of explosives. In this study, reactive molecular dynamics...

Lattice fluorination-enabled programmable energetics in metastable intermolecular composites: Atomic F/O engineering and hierarchical redox control enabling instantaneous memory chip destruction

As a prototypical high-energy-density reactive material system, metastable intermolecular composites (MICs) have attracted considerable interest owing to their customizable component configurations...

Reliable estimation of heats of formation for energetic metal-organic materials: A structure-descriptor approach for defence applications

This study presents a predictive model for condensed-phase heats of formation of metal-containing energetic complexes (MCECs) and energetic metal-organic frameworks (EMOFs), leveraging a dataset of...

Nonlinear free vibrations of functionally graded graphene origami-enabled auxetic metamaterial skew-microplates with variable thickness using isogeometric analysis

The remarkable mechanical and physical characteristics of functionally graded (FG) graphene origami (GOri)-enabled auxetic metamaterial (GOEAM) structures, including their high strength-to-weight ratio,...

Simplified semi-analytical solutions for dynamic responses of composite cylinders subjected to far-field underwater explosions

This paper presents a simplified design tool based on semi-analytical formulations to investigate the dynamic response of an immersed composite cylinder subjected to a far-field underwater explosion....

Influence of TiH2/PTFE mass ratio on the detonation performance of RDX-Based active shell thermobaric explosives

To investigate the coupling mechanisms of detonation energy release between the TiH2/PTFE active shell and RDX explosive, an RDX-based active shell thermobaric explosive containing TiH2/PTFE powders...

Energy absorption mechanism and cost-benefit assessment of UHMWPE and para-aramid hybrid fabrics for protective structures

UHMWPE (Ultra-High Molecular Weight Polyethylene) plain-weave fabric, characterized by its lightweight and high-strength properties, is widely used in protective equipment such as bulletproof vests...

Bio-inspired offset array design for enhanced range in underwater active electrosensing with neural network-based localization

Addressing the critical detection range limitation in active electrosensing (AES) for underwater sensing, this study proposes an enhanced AES system via novel array optimization. While AES offers advantages...

Within-visual-range air combat maneuver decision-making in obstructed environments via a curriculum self-play soft actor-critic with an attention mechanism

With the rapid development of artificial intelligence, intelligent air combat maneuver decision-making (ACMD) has garnered global attention. Although deep reinforcement learning provides a promising...

Sensitivity analysis of vibration characteristics and dynamic responses of a tracked vehicle

This study aims to establish an integrated sensitivity analysis framework for optimization and design of the dynamic performance of mechanical systems such as tracked vehicles, by combining the direct...

Detonation reaction zone width of CL-20-based aluminized explosive: machine learning prediction, theoretical calculation, and experimental characterization

Investigating the detonation reaction zone structures of high explosives is significant for understanding detonation reaction mechanism. This study employed an integrated approach combining machine...

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