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923 articles for “nature”
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Studies of Nano-catalyst
Abstract: Nano-catalysts are studied in this article to compose single allocate transitional or novel atom on substrate in place of usual nano-configured atoms aligned to Pt, Pd, Ru, Rh and Ir. Acid to base proposition subjected to form stable catalyst composes from transition metals in place from expensive novel metals. In novel metal nano-cluster catalyst compose has selected scheme at rest with no or reverse consequence to give rise well defined …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 13–18 Read article
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A Study on Green Synthesis of Nanoparticles of Zinc Oxide using Algae and Plant Extract
Abstract: Green synthesis of metal nanoparticles is increasing trend worldwide. In green synthesis, metal oxide nanoparticles are synthesised through any plant extract or any bacterial, fungal or microalgal source. Synthesis of zinc-oxide nanoparticles have been studied by using algae and other biological extracts. In green synthesis usually use of synthetic chemicals is avoided and naturally abundant compounds like ascorbic acid or citric acid act as reducing agent which reduces metal salts …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 23–27 Read article
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Green Synthesis of Silver Nanoparticles Using Leaf Extract of Calpurnia Aurea and Evaluation of its Antibacterial Activity
Abstract: Synthesis of nanoparticles using plant extracts is an emerging as a new and effective method that avoids the involvement of toxic chemicals. In this study AgNPs synthesized using Calpurnia aurea leaf extracts were evaluated for their antibacterial activity. The green synthesized AgNPs were characterized using analytical instruments like UV–visible, X-ray diffraction (XRD) and Fourier transform infrared (FTIR). The UV-Vis spectra shows surface Plasmon resonance peak present at 429 nm. The …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 2, 2021 · pp. 25–33 Read article
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An Investigation of Physico-mechanical Characterizations of Recycled Cellulose Fiber and Glass Fiber-polypropylene Hybrid Composite
Abstract: In the field of marine engineering design, polymeric composites reinforced with natural fibers are extensively used. The results of this study demonstrate that these properties can be enhanced by adding glass fiber (GF) to recycled cellulose fiber (rCF) plastic composites. The performance of rCF and rCF/GF hybrid polypropylene (PP) composites is being studied in the current experimental effort. On the tensile behavior and impact strength of composites containing 30 wt% …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 1, 2023 · pp. 1–10 Read article
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Applications of Composite Materials in Aerospace Industry
Abstract: Composites are becoming increasingly important in the aerospace industry. At least 30–40 per cent of modern airframes are now made of composites, and this percentage is increasing rapidly due to technological advances in the field. Fibre-reinforced polymer composite materials are fast gaining ground as preferred materials for construction of aircrafts and space crafts. This paper gives a review of some of these developments with a discussion of the problems with …
Published in International Journal of Composite and Constituent Materials · Vol. 3, Issue 2, 2017 · pp. 5–10 Read article
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Abrasion Resistant Produce from Slag Dust
Abstract: Steel slag is a by-product of steel manufacture such as to respect the achievement of one ton to liberate 160 kg of steel slag. Thereby chemical compounds content in slag dust of steel slag have been SiO2, CaO, Fe2O3, Al2O3, and MnO, whereas mineral components of steel slag have been C3S, C2S, C4AF, RO phase, and free-CaO. Steel slag has been applied in ceramics, road pavement materials, stockpile of mineral …
Published in International Journal of Composite and Constituent Materials · Vol. 7, Issue 2, 2021 · pp. 1–11 Read article
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Potato Starch-Based Composites for Industrial Application
Abstract: Plastic has become an essential element in our daily life. Plastics derived from polyolefins such as polyethylene are currently used in plastic film for food wrapping, garbage bags, mulching, compost bags, and many more. These plastics are typically inactive and resistant to microbial attack and hence they remain in nature for a long time without any deformation and has a harmful effect on atmosphere. Biodegradable plastics can help solve this …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 1–12 Read article
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Advancements in Manufacturing Techniques for High-performance Fiber-reinforced Composite Materials
Abstract: This article explores the recent advancements in manufacturing techniques for high-performance fiber-reinforced composite materials. Composite materials have gained significant attention in various industries due to their exceptional mechanical properties, lightweight nature, and design flexibility. The continuous development of manufacturing methods has enabled the production of composites with improved performance, increased productivity, and reduced costs. This article reviews key manufacturing processes, such as automated fiber placement, resin transfer molding, and additive …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 35–42 Read article
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Employing Nanotechnology, Nanobiosensors, and IoNT to Advance Modern Healthcare: Taxonomies, Applications, and Issues
Abstract: The industry most likely to benefit from nanotechnology applications is the healthcare sector. Rapid advancements in the fields of nanotechnology, nanobiosensors, and IoNT (Internet of Nano-Things) possess the capacity to change a number of industries and enhance our daily lives. Together, these three technologies produce a strong and effective system with a wide range of application possibilities. The use of nanotechnology, nanobiosensors, and Internet of Nano-Things (IoNT) has greatly advanced …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
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An Efficient and Simple Higher Order of Shear Deformation Theory for Static and Free Vibration of Laminated Composite Plates
Abstract: In the present study, the static and free vibration of laminated composite plates is examined by using a refined shear deformation theory and developed for a bending analysis of orthotropic laminated composite plates. These models take into account the parabolic distribution of transverse shear stresses and satisfy the condition of zero shear stresses on the top and bottom surfaces of the plates. The most interesting feature of this theory is …
Published in International Journal of Composite Materials and Matrices · Vol. 2, Issue 1, 2016 · pp. 23–42 Read article
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Free Vibration Analysis of Laminated Composite Plate with Various Boundary Condition Using FEM
Abstract: The vibration analysis of laminated composite plates is analyzed using finite element method. A suitable finite element model is proposed and developed based on first order shear deformation theory using ANSYS parametric design language (APDL) code. The model has been developed using an appropriate eight node isoparametric element (SHELL281) from the ANSYS element library. In this paper Numerical results have been computed for the effect of material properties, thickness ratio …
Published in International Journal of Composite Materials and Matrices · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
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A Systematic study on Clayey Soil fortified with Polyester (Recron -3S) Fibres
Abstract: A technique to improve the engineering characteristics of soil is called as soil fortification/reinforcement. The former use of natural fibers to reinforce or fortify soil is a conventional idea. Consequently, randomly distribution of fiber has recently attracted increasing attention in geotechnical engineering for the second time to reinforced soils. The aim of this project is to identify a synthetic fiber to enhance the shear strength and bearing capacity of a …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 1, 2018 · pp. 4–10 Read article
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Synthesis and Antimicrobial Activity of Schiff base metal complexes derived from Ampicillin with Vanillin
Abstract: ABSTRACT: Metal -drug complexes compounds are more popular nowadays due to their greater biological activity than uncompleted legends of some drugs. However various studies have shown that Schiff base derived from biologically active ingredients present in natural materials in its pure form. In this paper K(I), Pb(II), Sr(II), Co(III), and Ba(II) complexes were synthesized from Schiff base derived from ampicillin and vanillin. The ligand and metal complexes have been screened …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 15–20 Read article
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Dynamic Behavior of Hybrid Unidirectional Without Cracked Composite Plate
Abstract: The composite material is one of the most common materials used in engineering applications due to the wide range of properties, high strength, cheap, easy to manufacture and lightweight. Therefore, many studies and researches have been conducted and are currently being conducted to obtain the appropriate mathematical models that describe the behavior of these materials when exposed to different types of mechanical loads. A mathematical model was built by using …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 1, 2020 · pp. 36–47 Read article
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Fabrication and characterization of Aluminum-Granite-Graphite Metal Matrix Composite
Abstract: Moving machine elements are constantly subjected to wear and tear. Machine life can be improved by using hard and wear resistant materials. Most of machine elements are made of metals or alloys. These materials alone cannot meet the requirements of design of long-life machines. Naturally occurring hard materials lack the strength to withstand the machine loads. Composite materials provide the solution to such requirements. Based on requirement, a composite material …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 20–30 Read article
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A Review on Polybutadiene Rubber Composites
Abstract: Rubber composites are crucial materials that obtained by the combination of two or more components i.e. rubber and filler, comprising with different fundamental properties. The composites are lighter yet stronger materials in nature with intermediate characteristics of both the initial ingredients. Polybutadiene rubber (PBR) is one of the highly produced global synthetic rubber having significant industrial applications. PBR composites showed improved physical, mechanical and thermal properties, with greater strength, resistance …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 1–19 Read article
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Studies of meta-materials
Abstract: AbstractMeta-materials are artificial composites designed to operate electromagnetic property. Properties of wave nature manipulation have originated fashioned fabrication. This has to perform as rigorous as subjected under adoption specific optical or microwave or acoustic provision. Fabrication has precision formof shape, geometry, size, orientation and arrangement of materials.Applicationof meta-materialsincludes super resolution imaging and optical as well acoustic sensing. Decay, separate and couple among as split transverse electric and magnetic to that …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 2, 2020 · pp. 47–52 Read article
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Effect of Coupling Agent on Organoclay Dispersion in Polyethylene/Organoclay Nanocomposites for Packaging Industry
Abstract: Low-density polyethylene (LDPE) is one of the most widely used polymers in various fields, but due to the hydrophobic nature of LDPE, it is hard to prepare an LDPE/clay nanocomposite. In this article, an LDPE/organoclay nanocomposite, which can be used in the packaging industry, was prepared by melt-blending organoclay with a polymer matrix (LDPE) and compatibilizer, low molecular weight oxidized polyethylene. The influences of organoclay, and compatibilizer during melt mixing …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 1–11 Read article
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Elasticity's Double-Edged Sword: Navigating Instability in Materials
Abstract: The phenomena of elastic instability, which is frequently seen as a restriction, presents both difficulties and unrealized possibilities for materials research and engineering. This explores the complex interactions between elasticity and instability in different materials, exposing the dual nature of this phenomena as both a constraint and an opportunity. This article illustrates the delicate balancebetween upholding structural integrity and utilizing instability for cutting-edge applications by addressing the fundamental ideas underpinning …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 40–45 Read article
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Sorption of Pb (II), Cd(II) and Zn(II) by synthesized nanocrystalline sodium potassium flurophlogopite (FGP)
Abstract: We have successfully synthesized nanocrystalline sodium potassium fluorophlogopite (FGP) crystals with controlled sizes from ≈ 25 nm to 100nm, using an organic tetrapropylammonium (TPA) hydroxide. We have been successfully synthesized material depends on the source of silicate and hydrothermal crystallization conditions. The synthesized materials were characterized by using different techniques such as X-ray diffraction, Energy Dispersive Analysis, Scanning Electron Microscope, Transmission Electron Microscopy and FTIR analysis. The use of sodium …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 2, 2023 · pp. 41–49 Read article