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1957 articles for “properly” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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A review on antibacterial properties of eucalyptus oil and different eucalyptus species used in pharmaceuticals
Abstract: Medicinal plants with antimicrobial compounds play a crucial role in combating various pathogens. Eucalyptus, belonging to the myrtle family, is notable for its diverse antimicrobial compounds. This fast-growing plant thrives in many countries and its various parts offer significant medicinal value, including timber, pulpwood, and essential oils. The leaves, often considered forest harvesting waste, contain essential oils with potential medicinal benefits. Members of the genus Eucalyptus are highly valued for …
Published in International Journal of Antibiotics · Vol. 1, Issue 2, 2024 · pp. 10–19 Read article
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Experimental Investigation of Mechanical Properties of the Composite Materials Reinforced by Agro-based Waste Materials
Abstract: In this work, experiments were carried out to develop the glass fiber reinforced composites using the hand layup method and analyze the mechanical properties of the GFRP hybrid composites. The ultimate Tensile strength (UTS) using rice as a filler (GFRPC/R) was 3.04% and 12.89% higher than coir and wheat as filler, respectively. The hybrid composite using coir as a filler (GFRPC/C) revealed 12.54% greater flexural strength, and the hybrid composite …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 186–196 Read article
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Dielectric Properties of Reduced Graphene Oxide with Nickel Cobalt Ferrite and Nickel Zinc Ferrite Epoxy Nanocomposites
Abstract: In this work, two systems of the composite were prepared using NiCoFe and NiZnFe with reduced graphene oxide(rGO) epoxy and the samples were subjected to electrochemical impedance spectroscopy (EIS). The Quality factor and loss tangent values of the composite was found out as a function of frequency. The modified ferrite-graphene-epoxy blends show dielectric loss and Quality factor values at low frequency. The incorporation of graphene aims to improve electrical conductivity, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 11, 2023 · pp. 28–37 Read article
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Impact of Red Stone Dust and Polymer Fabric in Enhancing the Properties of Black Cotton Soil
Abstract: To enhance the mechanical properties of problematic black cotton soil, engineers are focusing on reinforcing the soil with geosynthetic materials. This attention is particularly directed towards improving the strength characteristics of black cotton soil, given its inherent challenges associated with volume changes and plasticity. In this comprehensive study, red stone dust waste is introduced in varying percentages ranging from 5% to 35% to stabilize the black cotton soil. The goal …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 35–43 Read article
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Analysis of Thermo-Mechanical Properties in Cement Mortar Using Synthesized Silicate Microencapsulation of Phase Change Materials by Sol-Gel Process
Abstract: This investigation delves into improving building thermal comfort using microencapsulated phase change materials (PCM@SiO2) in cement mortar. The encapsulation process, achieved via a sol-gel method, envelops PCM in a silicate shell Differential Scanning Calorimetry (DSC) and Fourier-Transform Infrared Spectroscopy (FTIR) were used to confirm the thermal properties and integrity of encapsulated PCM, which showed an encapsulation efficiency of 92.7% and a thermal storage capacity of 99.7%. The study involved the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 152–160 Read article
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Investigation of microstructure and mechanical properties of multi-pass friction stir processing on precipitation hardened aluminum alloy
Abstract: In the present study, multi-pass friction stir processing of aluminum AA2014-T651 alloy is per-formed with one and four passes. The multi-pass processing is performed at a tool rotational speed of 1000 rpm with a traverse speed of 63 mm/min. Microstructural characterization of fric-tion stir processed specimens indicated a significant grain refinement with equiaxed grains in the four pass specimen. Microhardness and tensile strength of the multi-pass specimen decreases with the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 339–349 Read article
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Properties and antimicrobial activity of bacterial nanocellulose composite incorporated with silver nanoparticles based on green synthesis
Abstract: Green silver nanoparticles (AgNPs) synthesized using medical plant extracts as capping and reducing agents demonstrate broad applicability in addressing the threat posed by infections. In this study, we present a sustainable, low-toxicity, and cost-effective bacterial nanocellulose composite with silver nanoparticles based on green synthesis that uses Origanum vulgare as a reducing agent due to numerous biological components. The formation of AgNPs in composite and morphological properties was analyzed using scanning …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 323–328 Read article
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Comparative study of the Antibacterial Properties of Modified Textile Materials with Different Metal Nanoparticles
Abstract: A number of metal particles have proven antibacterial properties. In this study, a comparative analysis was made of two types of metal particles: zinc oxide and titanium oxide nanoparticles respectively, which were deposited on cellulose material and were fixed by means of a cross-linked gelatin hydrogel. Three methods were applied under different reaction conditions for obtaining the biocomposite materials. The biomaterials were investigated by means of scanning electron microscopy, transmittance …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 92–101 Read article
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Influence of Rheological and Physical Properties of Particles and Liquid media to compute Terminal Fall Velocity: A Review
Abstract: The hydrodynamic demeanor of falling particles and the liquid media in which they fall, supported by data analytics, is indispensable in the computation of the terminal falling rate. which is a critical concept in many civil engineering disciplines. The application of terminal settling velocity becomes vital to prevent the settling of microplastic particles (< 5 mm in size), several metal particles, polymers, etc.; especially those of irregular shape. Past research …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 28–40 Read article
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Influence of Rice Husk Ash and Granite Powder on Strength Properties of Concrete
Abstract: Concrete is the mostly utilised material in the field of Civil Engineering. As its consumption is huge in amount and so the scarcity of the raw materials has become a major issue. The important components of concrete are binding material along with the aggregates. Alternative materials are chosen for the replacement of cement to achieve sustainable concrete. Along with cement replacing materials, reusable wastes are also adopted to utilise in …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 133–138 Read article
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Improvement of mechanical properties for PMMA based Denture material
Abstract: Denture material properties can be improved by various fiber addition. The most often used denture materials are polymethyl methacrylate (PMMA) resins; nevertheless, they do not have a high flexural strength (FS). This investigation compared the mechanical characteristics of an injection-molded polyamide. Deflex, an additional injection-molded PMMA base material, SRIvocap, and a typical compression-molded PMMA (Meliodent). The flexural qualities (deflection, bending strength, and bending modulus) of 100 different denture base materials …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 155–165 Read article
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Influence of Gd Doping in Structural, Morphological and Optical Properties of Zno Nanostructures Synthesised Via Sol-Gel Processes
Abstract: In this study, nanocrystalline Zn1-xGdx (x=0.0 and 0.03) samples were synthesised via the Sol-gel combustion process. An array of analytical techniques was employed to examine the prepared samples to determine their different physical features. For both pristine and Gd-doped samples, the crystal symmetry is hexagonal with the P63mc space group which is verified via the Rietveld refinement analysis of X-ray diffraction (XRD) data. The atoms' bond length Zn-O and bond …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 219–225 Read article
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Investigation of Mechanical Properties of Concrete Using Agriculturally Based Waste and Fibers as Additives
Abstract: In today's world one of the most common man-made materials widely used as concrete. Around 1 ton of concrete is produced every year for an individual person. Concrete is composed of mainly cement, fine aggregates, coarse aggregates & water. As the construction industry is the 2nd biggest industry, environmental and social responsibility contributes to the sustainable development. Bamboo leaf ash has received recent interest as an agricultural waste with pozzolanic …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 9–18 Read article
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IPR in Outer Space: Issues, Challenges, Legal Framework and Future Considerations
Abstract: Space exploration is a force of nature unto itself that no other force in society can rival”—Neil deGrasse Tyson. Whenever we hear the word outer space, the words that pop up in our mind are sun, star, galaxy, moon, meteoroids, celestials, etc. Intellectual property rights (IPR) are a key concept in the development of a nation. Therefore, to encourage the same in outer space, the foremost challenges of implementing the …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 13, Issue 3, 2024 · pp. 21–26 Read article
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Investigation on Tensile Properties of Redwood PLA Using FDM Process
Abstract: Fused Deposition Modeling (FDM) is an additive manufacturing technique employed to construct comprehensive 3-dimensional models using a variety of materials, catering to diverse applications. This study explores the fabrication of REDWOOD polylactic acid using (FDM) additive manufacturing processes. REDWOOD PLA, recognized for its biodegradability and renewable sourcing, holds promise as an eco-friendly material for 3D printing applications. The research investigates the tensile properties of REDWOOD polylactic acid (PLA) fabricated through …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 668–673 Read article
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Optimization of Tensile and Flexural Properties of PETG Filament in FDM 3D Printing Using Response Surface Methodology
Abstract: Now a days manufacturing trend has been changed from subtractive to additive. In additive manufacturing (3D Printing), layer by layer deposition occurs and final product can be obtained. The main advantages of additive manufacturing is to obtain customized product, complex geometry product. This research investigates the optimization of tensile and flexural Strength of PETG filament in Fused Deposition Modeling (FDM) 3-d printing by using of Response Surface Methodology (RSM). Specimens …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 39–58 Read article
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Mechanical Property Assessment of Hybrid Fiber Reinforced Composites Through Experimental Research
Abstract: Natural fibre reinforced composites are gradually taking the place of synthetic fibre composites due to its inexpensive cost, low density, and ease of supply. Furthermore, the addition of some waste materials to composites has remarkable properties that are attracting interest from a wide range of technical domains. Fibre reinforced with glass, carbon, and jute were used to generate hybrid composites. As a filler, different amounts of eggshell powder were mixed …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 244–251 Read article
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Comparison of High and Low Temperature Properties of Dual Modified Asphalt Binders with Polyphosphoric Acid and Polymer Modified Bitumen using Rheological Tests
Abstract: The main objective of this study was to investigate the properties of asphalt binder mixtures at both high and low temperatures. To achieve this, two types of admixtures were selected and combined, resulting in a technology known as dual modified asphalt binders. Extreme temperatures during summer and winter can lead to significant issues such as cracking and rutting in asphalt binder pavement. In order to address these problems, a comprehensive …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 23–34 Read article
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Comparison of 11-Atom Armchair Graphene Nanoribbons and Zig-Zag Carbon Nanotubes in Polymer Composites Under Various Bias Voltages: A Study of Electronic and Transmission Properties
Abstract: In this research, 11-atom zig-zag carbon nanotubes (ZCNTs) and 11-atom armchair graphene nanoribbons (AGNRs) were studied under applied bias voltages at 50, 150, and 300 millivolt levels. The focus was on understanding their behaviour concerning transmission qualities, current-voltage (I-V) characteristics, and energy-momentum (E-K) diagrams. The Non-Equilibrium Green's Function (NEGF) approach was employed to analyse various electronic properties for ZCNTs and AGNRs, including transmission, E-K relationships, and I-V characteristics. The results …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 126–134 Read article
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Effect of Carbon Nanotube on Mechanical Properties of Jute Fibre Reinforced Polyester Composite
Abstract: The current study studies how carbon nanotubes affect the mechanical characteristics of polyester composites reinforced with jute fiber, both treated and unprocessed. Alkali was used to cure jute textiles. Composites with treated and untreated jute fibre with 5%, 10% and 15% jute fibre loading with and without carbon nanotube were prepared using hand lay-up process. Carbon nanotubes varied from 0.2%, 0.4% and 0.6%. Tensile, flexural, and strength of impact all …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 2, 2024 · pp. 1–9 Read article