Hygrothermal effect on high-velocity impact resistance of woven composites
May 2022
The woven glass fiber reinforced composites (GFRP) subjected to high-speed impact is investigated to identify the hygrothermal aging effect on the impact resistance. Both the hygrothermal aged and unaged...
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An improved LuGre model for calculating static steering torque of rubber tracked chassis
May 2022
Tire and rubber track interchangeable chassis combines the advantages of tire and rubber track, which can greatly improve the maneuverability of military construction machinery. However, there is almost...
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Roll angular rate extraction based on modified spline-kernelled chirplet transform
May 2022
The roll angular rate is much crucial for the guidance and control of the projectile. Yet the high-speed rotation of the projectile brings severe challenges to the direct measurement of the roll angular...
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Higher-order electroelastic modelling of piezoelectric cylindrical nanoshell on elastic matrix
May 2022
This paper develops electro-elastic relations of functionally graded cylindrical nanoshell integrated with intelligent layers subjected to multi-physics loads resting on elastic foundation. The piezoelectric...
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Preparation of the core-shell HMX@CS microparticles by biological excitation: Excellent hydrophobic-oleophilic properties and decreased impact sensitivity effectively
May 2022
Inspired by the phenomenon of superhydrophobic plants and animals in nature, 1,3,5,7-tetranitro-1,3,5,7-tetrazocane (HMX)@copper stearate (CS) core-shell composites with similar properties was prepared....
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Numerical damage evaluation of perforated steel columns subjected to blast loading
May 2022
The structural performance of perforated steel columns (PSCs) is significantly more complex than the one of solid web I-shaped elements under the diversity of blast loading scenarios. The damage criterion...
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Effect of hydrogen-storage pressure on the detonation characteristics of emulsion explosives sensitized by glass microballoons
May 2022
In this study, hydrogen-storage glass microballoons were introduced into emulsion explosives to improve the detonation performance of the explosives. The effect of hydrogen-storage pressure on the detonation...
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The scaling laws of cabin structures subjected to internal blast loading: Experimental and numerical studies
May 2022
This paper presents a combination of experimental and numerical investigations on the dynamic response of scaling cabin structures under internal blast loading. The purpose of this study is to modify...
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Blast responses of polyurea retrofitted utility tunnel reinforced with basalt fibre reinforced polymer bars
May 2022
Polyurea coating and carbon fibre reinforced polymer reinforcing techniques were applied to retrofit a severely damaged urban utility tunnel (UUT). The blast responses of the retrofitted UUT were investigated...
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Behind-plate overpressure effect of steel-encased reactive material projectile impacting thin aluminum plate
May 2022
Ballistic impact and sealed chamber tests were performed on the steel-encased reactive material projectile (SERMP) to understand its behind-plate overpressure effect when impacting the thin aluminum...
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Buckling of composite cylindrical shells with ovality and thickness variation subjected to hydrostatic pressure
May 2022
The initial geometric imperfection is one of the primary factors affecting the buckling behaviors of composite cylindrical shells under hydrostatic pressure. In this study, ovality and thickness variations...
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An efficient light-to-heat conversion coupling photothermal effect and exothermic chemical reaction in Au NRs/V2C MXene membranes for high-performance laser ignition
May 2022
MXene, a new type of two-dimensional materials, have been demonstrated as one of the best photothermal materials owing to their strong light-matter interaction and high photothermal conversion efficiency...
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Quantitative prediction and ranking of the shock sensitivity of explosives via reactive molecular dynamics simulations
May 2022
A deep understanding of explosive sensitivities and their factors is important for safe and reliable applications. However, quantitative prediction of the sensitivities is difficult. Here, reactive...
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Experimental study on the accumulative effect of multiple pulses on acceleration sensor
May 2022
Intentional electromagnetic interference is a serious threat to the safety of electronic devices. Multiple electromagnetic pulses will be coupled and transmitted to electronic devices through the cables....
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Burning surface formation mechanism of laser-controlled 5-aminotetrazole propellant
Available online 21 May 2022
As an innovative propulsion technique, combustion mechanism of laser-augmented chemical propulsion has still to be ascertained. Benefiting from high nitrogen content and thermal stability, 5-aminotetrazole...
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Thermal and ignition properties of hexanitrostilbene (HNS) microspheres prepared by droplet microfluidics
Available online 20 May 2022
HNS-IV (Hexanitrostilbene-IV) is the main charge of the exploding foil initiators (EFI), and the microstructure of the HNS will directly affect its density, flowability, sensitivity, and stability....
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Template synthesis of copper azide primary explosive through Cu2O@HKUST-1 core-shell composite prepared by “bottle around ship” method
Available online 19 May 2022
Copper azide (CA), as a primary explosive with high energy density, has not been practically used so far because of its high electrostatic sensitivity. The Cu2O@HKUST-1 core-shell structure hybrid material...
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Automatic recognition of sonar targets using feature selection in micro-Doppler signature
Available online 19 May 2022
Currently, the use of intelligent systems for the automatic recognition of targets in the fields of defence and military has increased significantly. The primary advantage of these systems is that they...
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Experimental and numerical studies of titanium foil/steel explosively welded clad plate
Available online 14 May 2022
Ti/Fe clad plate had attracted extensive attention because of its important application. In order to reduce the titanium layer thickness, the explosive welding of TA1 titanium foil to Q235 steel plate...
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Characterization of localized corrosion pathways in 2195-T8 Al–Li alloys exposed to acidic solution
Available online 14 May 2022
The corrosion properties of aluminum-lithium (Al–Li) alloys, which are potential materials used to construct for tanks of liquid rockets or missiles, are essential for safe propellant storage and transport....
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Flame behavior, shock wave, and instantaneous thermal field generated by unconfined vapor-liquid propylene oxide/air cloud detonation
Available online 13 May 2022
Energy output and heating effects are essential for vapor-liquid fuel/air cloud detonation in the fuel-air explosive (FAE) applications or explosion accidents. The purpose of this study is to examine...
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Effect of the microporous structure of ammonium perchlorate on thermal behaviour and combustion characteristics
Available online 13 May 2022
Ammonium perchlorate (AP) is the component with the highest content in composite propellants, and it plays a crucial role in propellant performance. In view of the effects of low-temperature AP thermal...
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Damage response of conventionally reinforced two-way spanning concrete slab under eccentric impacting drop weight loading
Available online 10 May 2022
Reinforced concrete (RC) structures are generally designed to carry quasi-static gravity loads through almost indispensable components namely slab, however, it may be subjected to high intense loads...
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Tungsten combustion in impact initiated W–Al composite based on W(Al) super-saturated solid solution
Available online 7 May 2022
Element W can effectively improve the density of energetic structural materials. However, W is an inert element and does not combust in air. To change the reaction characteristics of W, 60 at.% Al was...
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Modified couple stress and thickness-stretching included formulation of a sandwich micro shell subjected to electro-magnetic load resting on elastic foundation
Available online 6 May 2022
This paper studies electromagnetoelastic static investigation of a sandwich doubly curved microshell subjected to multi-field loading based on a new thickness stretching included refined higher order...
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