Ultrasensitive and highly stretchable strain sensors based on graphene nanoplatelet (GNP) doped Ecoflex are proposed. First, the electrical electromechanical properties deeply studied. It has been observed that conductivity significantly increases with GNP content, indicating saturation of network is not reached, even for samples 10 wt. % GNP, confirmed by SEM analysis. Furthermore, analysis behavior reveals a very high sensitivity, gauge factor (GF) around 25 at ε = 1 3·104 30 in tensile 12...

Highly stretchable strain sensors based on carbon nanotube (CNT)-reinforced Ecoflex silicone rubber are developed for breathing monitoring purposes. The addition of CNTs promotes an improvement in electrical conductivity and mechanical properties (Young's modulus tensile strength) due to its good dispersion Ecoflex. evaluation response, both compression conditions, indicates a wide detection range ultrasensitive response at high levels, reaching gauge factor around 104 70% or 105 300% 0.3...

The integration of artificial intelligence (AI) into project management (PM) transforms how projects are planned, executed, and monitored. main objective this study is to provide a comprehensive bibliometric analysis exploring trends, thematic areas, future directions in AI applications by examining publications from the last decade. This research uncovers dominant themes such as machine learning, decision making, information management, resource optimization. findings highlight growing use...

Highly stretchable sensors based on graphene nanoplatelet (GNP) reinforced polydimethylsiloxane (PDMS) are manufactured for human motion monitoring purposes. The strain sensing analysis shows ultra-high gauge factor (GF) values from 40 to 300 at low levels up 106 high deformations tensile conditions, and a decreasing sensitivity as GNP content increases. compressive behavior an initial decrease of the electrical resistance, due prevalence in-plane mechanisms, followed by stable increase,...

This bibliometric study examines the evolution of compressed-hydrogen storage technologies over last 20 years, revealing exponential growth in research and highlighting key advancements storage, materials-based solutions integration with renewable energy systems. The analysis highlights pivotal role composite material tanks filament-winding process revolutionizing technology. These innovations have enhanced safety, reduced weight facilitated adaptation for use automotive industrial...

The continuous evolution of aerospace technology has intensified the demand for innovative materials that enhance structural performance, fuel efficiency, and operational safety. This study conducts systematic bibliometric analysis using data from Scopus Web Science, covering publications last decade. Smart composites have emerged as a transformative class materials, integrating health monitoring (SHM), electromagnetic interference (EMI) shielding, multifunctional capabilities such...

The use of graphene and other carbon nanoparticles is now interest for developing chemical (gas compounds detectors) physical sensors. In this work, a nanoplatelet (GNP)-PDMS sensor proposed. More specifically, its strain-sensing capabilities under consecutive cycles as well the crack propagation mechanisms are widely analyzed. First, an analysis electrical properties shows that increase GNP content leads, expected, to conductivity, ranging from values around 10−3 1 S/m 5 11 wt.% samples....

Carbon nanotube (CNT) reinforced polydimethylsiloxane (PDMS) easy-scalable sensors for human motion monitoring are proposed. First, the analysis of dispersion procedure nanoparticles into polymer matrix shows that ultrasonication (US) technique provides a higher electrical sensitivity in comparison to three-roll milling (3RM) due homogeneity CNT distribution induced by cavitation forces. Furthermore, gauge factor (GF) calculated from tensile tests decreases with increasing content, as...

The development of hybrid electrolytes (HEs) that allows high mechanical properties and ionic conductivity is a key in the smart mobility progress. In this article, various solid polymer (SPEs) based on blend epoxy resins, liquid, titania or alumina nanoparticles have been manufactured their electrochemical thermomechanical performances evaluated. combination SPE components providing highest was studied, having significant influence type dispersion. electrolyte with best L65P35(ILE)Al2,...

The temperature effect on electronic transport mechanisms in graphene nanoplatelet (GNP) doped polydimethylsiloxane (PDMS) for sensing applications has been investigated under electrical impedance spectroscopy (EIS) analysis. AC measurements showed a very prevalent frequency-dependent behavior low filled nanocomposites due to the lower charge density. In fact, 4 wt % GNP samples nonideal capacitive scattering effects. Therefore, standard RC-LRC circuit varies with substitution of elements by...

Ultrasensitive and stretchable strain sensors based on graphene nanoplatelet (GNP) doped poly(ethylene glycol) diglycidyl ether (PEGDGE) for human motion monitoring purposes with remote tracking by using Internet of Things (IoT) technologies are synthesized. The quasi–static cycling responses under both tensile compression conditions nanocomposites studied in detail. On one hand, quasi-static analysis shows very high values the gauge factor, reaching around 50–100 at low levels (1–2%)...

Carbon fiber-based batteries, integrating energy storage with structural functionality, are emerging as a key innovation in the transition toward sustainability. Offering significant potential for lighter and more efficient designs, these advanced battery systems increasingly gaining ground. Through bibliometric analysis of scientific literature, study identifies three primary research areas: (i) development anodes lithium-ion tackling challenges such dendrite formation performance...

The effect of hydrothermal ageing on flexible wearable sensors made PDMS reinforced with graphitic nanofillers (carbon nanotubes, CNTs, and graphene nanoplatelets, GNPs) is explored. It observed that the nanofiller addition, especially in case GNPs, promotes a much higher water uptake at saturation due to diffusion as generalized porosity more significant. However, it does not harm mechanical properties comparison unaged samples, these molecules are prevalently incorporated into polymer...

The electromechanical capabilities of carbon nanotube (CNT) doped poly(ethylene glycol) diglycidyl ether (PEGDGE) have been explored. In this regard, the effect both CNT content and curing conditions were analyzed. electrical conductivity increased with temperature due to lower gel time that leads a reaggregation during curing. More specifically, percolation threshold at 160 180 °C temperatures is below 0.01 wt.%, limit increases up 0.1 wt.% 140 for an 8 h cycle. Moreover, strain monitoring...

Titanium additive manufacturing using powder bed fusion technologies has seen notable growth since 2015, particularly in high-performance sectors such as aerospace, biomedical, and automotive industries. This study focuses on key areas like metallic manipulation, laser optimization, process control, with selective melting emerging the dominant technique over electron beam melting. Advancements materials systems have been crucial to improving efficiency quality of process, enhancing...

Multifunctional nanocomposites based on carbon nanotubes (CNT)-reinforced Surlyn, which is a commercial ionomeric polymer, are manufactured by micro-compounding and hot-press processes. Multifunctionality studied in terms of electromechanical response self-healing abilities. The strain sensing analysis under tensile conditions shows ultra-high gauge factor (GF) values from 10 to 20 at low levels up 106 high levels, decreasing sensitivity as CNT content increases because the reduction...

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Ultrasensitive and stretchable strain sensors based on graphene nanoplatelet (GNP) doped poly(ethylene glycol) diglycidyl ether (PEGDGE) for human motion monitoring purposes with remote tracking by using Internet of Things (IoT) technologies are synthesized. The quasi–static cycling responses under both tensile compression conditions nanocomposites studied in detail. On one hand, quasi-static analysis shows very high values the gauge factor, reaching around 50–100 at low levels (1–2%)...