All articles
817 articles
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Polymer Nanocomposites: Cutting-Edge Material for The Aviation Sector
Abstract: Due to current market demands and a need to produce structural materials for use in both military and civilian aircraft more efficiently, the aerospace industry is always pushing for higher productivity. The design and manufacturing of aeronautical components in the present and the future are heavily reliant on materials of the polymer composite class. The building of many airplane components uses polymer composites, which are generally helpful. Based on their …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 227–234 Read article
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Clay–Polymer Nanocomposites: An Efficient Adsorbent for Waste Water Treatment
Abstract: Despite the abundance of water sources, the globe today lacks potable water because to pollution. Pollutants can be removed from water using a variety of technologies, but adsorption is considered the most simple, effective, economical, and ecologically beneficial method. The class of adsorbents known as clay–polymer nanocomposite (CPN) adsorbents is one that is now gaining popularity. By adsorbing and flocculating inorganic and organic micropollutants from water, CPNs efficiently cleanse water. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 111–118 Read article
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Impact of Composite Materials by Silica Fume and Fly Ash in Cement and Partial Substitution of Fine Aggregate Using Quarry Dust in Steel Fibre Concrete
Abstract: Mineral admixtures can be added to concrete to replace some of the cement, increasing its overall strength. Fly ash (FA) and silica fume (SF) are two often used mineral admixtures. A series of experiments were conducted to investigate the effect of adding varied amounts of fly ash and a consistent amount of silica fume on concrete strength by using the same amount of substitute for cement and the same water-binder …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 139–147 Read article
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Advanced Processing Technologies and Material Properties of Ceramic-Matrix Composites for Structural and Industrial Applications
Abstract: Ceramic-matrix composites (CMCs) are becoming more popular as building and industrial materials because they have a unique set of qualities, such as being able to withstand high temperatures and being light and strong. This brief talks about the newest improvements in processing methods and material features that have put CMCs at the top of the list of industrial materials. Using advanced processing methods like chemical vapor infiltration (CVI), polymer infiltration …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 138–151 Read article
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Study of Rehydration and Dehydration behavior of Scolecite by insitu Raman spectroscopy
Abstract: The study of structural changes of stretching and bending modes around 3000-4000cm-1 and 700-1800cm-1 in the temperature range of 299 to 503 K during the dehydration of naturally occurring scolecite was investigated using in-situ Raman spectroscopy. A Raman spectrum from 3000-4000cm-1 was measured for a fibrous zeolite called scolecite to regulate the behavior of water molecules in the passages. The extending vibrations of H2O molecules of scolecite are located between …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 152–159 Read article
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Avian Echoes: Convolutional Neural Network for Bird Vocalization Detection
Abstract: Bird species identification is a complex task within ornithology that demands advanced technological solutions. This research presents an approach leveraging Convolutional Neural Networks (CNNs) for bird species recognition based on identification of bird sound, each employing unique datasets and methodologies. The objective involves a two-stage identification process, beginning with the construction of an ideal dataset. The crucial step involves converting 1D audio waveforms to 2D spectrograms, enhancing CNNs' ability to …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 26–37 Read article
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Effect of Bismuth doping on Thiourea crystals : A NLO Material
Abstract: Single crystals of pure and thiourea-substituted bismuth were successfully grown using the slow evaporation solution growth technique at ambient temperature. The impact of thiourea doping on the crystal properties was thoroughly investigated. Solubility tests for the grown samples were conducted at various temperatures, providing crucial data on the dissolution characteristics. Structural characterization of these crystals was performed using single crystal X-ray diffraction (XRD), confirming their crystalline nature. Energy-dispersive X-ray spectroscopy …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 15, Issue 2, 2024 · pp. 10–16 Read article
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Retinal Disease Detection Using Deep CNN
Abstract: Age-related macular degeneration, glaucoma, and diabetic retinopathy are the three main causes of blindness in the globe. To avoid visual loss, early identification and treatment of these disorders are essential. The goal of this research is to create an automated method for detecting retinal diseases by analyzing retinal fundus pictures with machine learning techniques. Python and the Tkinter package for the graphical user interface are used in the construction of …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 13, Issue 2, 2024 · pp. 46–50 Read article
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From Carbon to Composites: Evolution and Trends in Supercapacitor Technology
Abstract: Supercapacitors, also referred to as ultracapacitors, have become a crucial component in the landscape of energy storage technologies. They effectively bridge the gap between conventional capacitors and batteries, offering unique advantages such as high power density, rapid charge/discharge rates, and exceptional cycle life. These characteristics make supercapacitors indispensable for a wide range of applications, including consumer electronics, automotive systems, and renewable energy systems. This comprehensive review explores the evolution of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 61–67 Read article
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SYNTHESIS AND CHARACTERIZATION OF Mn2+ DOPED LiPbX3(X = Cl, Br, I)
Abstract: In this paper the structural, electronic and optical properties of Mn doped Pb based cubic perovskites LiPbX3(X= Cl, Br and I) were studied by wet chemical method (sol gel method). For Mn doped LiPbX3(X= Cl, Br and I) NCs, MnCl2 and PbBr2 were added in molar feed ratio 1.35 mole% and nan crystal were examine with the help of TEM and their structure were confirmed by X-ray diffraction (XRD). Additionally, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 48–54 Read article
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Solar Light Photocatalytic Degradation of Methylene Blue and Methyl Orange Dyes by Ag-ZnO Nanocomposite
Abstract: A highly efficient silver-assisted ZnO nanocomposite was synthesized using the co-precipitation method, a technique that ensures a controlled and homogeneous formation of the composite material. The high purity of the synthesized nanocomposite was confirmed through detailed FTIR spectra analysis, which showed clear and distinct peaks corresponding to the functional groups present, indicating the absence of significant impurities. To evaluate the photocatalytic capabilities of the nanocomposite, a series of tests were …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 160–171 Read article
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Tb3+ activated Boro Phosphate Glass: Synthesis and Photoluminescence (PL) Characteristics
Abstract: The (40B2O3+ 3Al2O3+(10-x) P2O5 + xTb + 7ZnO+5LiCO3+ 10H6NO4P+25SrCO3) boro phosphate glass was successfully synthesized via melt quenching method. The structural confirmation is supported with X-ray diffraction (XRD) data and surface morphology was defined by scanning electron microscope (SEM). The (40B2O3+ 3Al2O3+(10-x) P2O5 + xTb+ 7ZnO+5LiCO3+ 10H6NO4P+25SrCO3) boro phosphate glass has been investigated for its Photoluminescence (PL) under UV excitation. At 544 nm, the excitation was observed, and at 222 …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 43–47 Read article
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Enhanced Sensitivity Iontronic Pressure Sensor Gauge Using Laser-Created Micro-Pyramid Structures for Wide Linear Range
Abstract: The achievement of high sensitivity, ultrahigh pressure resolution, and great linearity across a wide pressure range under huge pressure preloads remains a challenge despite the substantial development of flexible capacitive pressure sensors. Here we offer an ultrathin ionic layer-integrated microstructure creation process that is configurable. At 1700 kPa, the sensor's linear range sensitivity is 33.7 kPa-1; at 2000 kPa, the pressure resolution is 0.00725%, and the detection limit is 0.36 …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 107–118 Read article
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Effect of Pigment Particle Size of Offset Inks on Printability
Abstract: The pigment is the most expensive part of printing inks. The process of making ink involves physical processes that require even distribution of pigments in the surrounding vehicle. This process is known as "Dispersion". The quality of the final dispersion decides print parameters like dot gain, density, print contrast, and gloss. In this work, the aim was to study how the ink behaves on the printing press based on the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 275–283 Read article
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Comparative analysis of carbon fibre and E-glass fibre characteristics
Abstract: In the contemporary automotive industry, the imperative focus on energy efficiency has driven the central role of lightweight, addressing challenges such as emissions reduction and fuel efficiency. Extensive research is underway to develop lightweight materials enhance recyclability, integration feasibility, and overall fuel efficiency These experiments were conducted in agreement with ASTM D638, ASTM D790-03, and ASTM D790 standards to ensure adherence to industry standards and facilitate meaningful comparisons. For the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 253–267 Read article
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Investigating the Combined Effect of FDM 3D Printing Parameters on Tensile Behavior of ABS Plastic Using Taguchi Method.
Abstract: Fused Deposition Modelling (FDM) is a commonly utilized method in additive manufacturing. FDM is greatly affected by its printing parameters, which is why selecting the proper parameters is crucial for obtaining the desired properties of 3D printed parts. In this paper we have experimentally and statistically studied the influence of FDM 3D printing parameters (infill pattern, infill density and layer thickness) on tensile strength using Acrylonitrile Butadiene Styrene (ABS) filament. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 161–169 Read article
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Effect of Functionalization on glass transition temperature of Carbon Fiber reinforced Epoxy Nanocomposites using MD Simulation
Abstract: As we all know that the mechanical characterization of any material plays a vital role in performance of the material throughout its life cycle. One of the major parameters in calculating the mechanical properties of carbon fiber reinforced nanocomposite is glass temperature. Understanding glass transition behaviour of polymer nanocomposites are crucial for optimizing their mechanical properties and performance. We used “Molecular dynamics simulations” to calculate sequel functionalization effect on glass …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 1–8 Read article
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1D-Nano-Scale Porous Silicon (1D-Psi) as Optical Sensor Device
Abstract: This research article embarks on a thorough experimental inquiry into the detection of kerosene adulteration in petrol, employing a sophisticated one-dimensional microcavity of nano-scale porous silicon (1D-PSMC) sensing device. The significance of this investigation stems from the detrimental consequences of petrol adulteration, which not only aggravates environmental pollution but also jeopardizes the functionality and durability of machinery components, thereby posing significant economic and environmental challenges. The 1D-PSMC, designed to function …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 69–75 Read article
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Qualitative and Quantitative Effects of Non-Thermal Atmospheric Pressure Plasma and ErCr: YSGG Laser Activation on Surface Remineralization and Fluoride Release of Three Different Fluoride Varnishes
Abstract: Dental caries remains a prevalent oral health concern worldwide, prompting ongoing research into innovative approaches for caries prevention and management. This experimental investigation endeavors to conduct a comparative assessment of the bioactivity, fluoride release kinetics, shear bond strength, and compressive strength of glass ionomer cement (GIC) augmented with three distinct types of inorganic bioactive nanoparticles. Bioactive nanoparticles have garnered interest in dental materials for their potential to enhance material properties …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 292–303 Read article
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Development of a Polymeric Detection System for Salivary Annexin-1: A Potential Tool for Point-of-Care Diagnostics in Periodontal Disease
Abstract: Salivary annexin-1, a protein with anti-inflammatory properties, has emerged as a potential biomarker for periodontal disease. However, current detection methods, like ELISA, are often complex and require laboratory settings. This study explores the development of a novel polymeric detection system for the rapid and sensitive identification of salivary annexin-1. This system could leverage the unique properties of polymers to create a point-of-care diagnostic tool for: (1) early detection and monitoring …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 101–110 Read article