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1495 articles for “work”
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Study of Mechanical Properties of Aluminum Nanocomposites using Auto Ignition Technique
Abstract: Al2O3 - high ZrO2 nanocomposite was synthesized by auto-ignition technique using metal nitrate and citric acid with a ratio of citrate: nitrate equal to 1:1.5. The precursor zirconium oxynitrite was derived from precipitation of zirconium oxycloride followed by dissolution of gel in nitric acid. The thermal decomposition behaviour of the gel was studied in order to study the decomposition behaviour and to determine the crystallization temperature. The effect of calcination …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 36–42 Read article
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Synthesis and Characterization of Cesium Intercalated Graphene Thin Film
Abstract: Graphene Oxide (GO) becomes promising two-Dimensional (2D) material in optoelectronics due to its sparkling properties. In preparation step we used Carboxylation of graphene and vacuum filtration to create the free standing thin film of cesium (Cs) intercalated GO. In this work we have synthesized cesium (Cs) intercalated GO thin films at different concentration (0.03, 0.05, 0.1 mol %) by using vacuum filtration method. The functional group present in synthesized thin …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 8–16 Read article
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Synthesis and Characterization of Nickel Doped BFO Nanoparticles
Abstract: In the present, work we have synthesized the pure and Nickle doped bismuth ferrite at different concentration by the chemical route method. Increasing in the doping concentration leads to generation of secondary phase, thus dopant concentration is maintained to 5mol%. XRD was used to confirm the phases transformation of nanocrystalline composite materials along with measurement of the crystallite size. Scanning electronic microscopy (SEM) was used to study the morphological properties …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 17–29 Read article
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Synthesis, characterization, antibacterial activity and in-vitro cytotoxicity of Dy and Fe doped hydroxyapatite nanomaterials
Abstract: Dy- and Fe-doped hydroxyapatite (HAp) was synthesized by the facile aqueous precipitation method. The samples were characterized by using powder X-ray diffraction, Fourier transform infrared spectroscopy and transmission electron microscopy. In this work, the antibacterial activities of Dy- and Fe-doped HAp were tested against gram-positive (Staphylococcus aureus, Bacillus subtilis) and gram-negative (Escherichia coli, Klebsiella pneumoniae and Pseudomonas putida) bacteria by agar diffusion test. It was found that Dy(5)-and Fe(5)-doped HAp …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 46–54 Read article
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Graphene Thin Film: Proposing as Active Layer in Solar Cells
Abstract: Solar cells are the need of today’s world due to its different advantages like renewable energy source, no toxic gases produce, i.e. environment friendly, etc. To synthesize and enhance the performance of solar cells, various different technologies are used. Different materials and different structures are used by the researcher to improve the solar cell technology. Research works give more attention towards this, because this technology opens up the new window …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 30–45 Read article
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Synthesis & Characterization of Bimetallic Nanoparticles by Using PVP for Magnetic Storage Device
Abstract: Metal nanoparticles are broadly studied due to their unique chemical and physical properties, which differ from the properties of their respective bulk materials. Bimetallic nanoparticles (BNPs) are formed by the combination of two different metals. Bimetallic nanoparticles have attracted huge attention in fields such as magnetic sensors, catalysts, optical detection and biomedical applications because of their exceptional properties. In this work bimetallic nano particles have been synthesized by using a …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 25–30 Read article
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Studies on the Electrical Characteristics of GaN based HEMTs at the AlGaN Nano-Layer Thickness of 9 nm
Abstract: In this work, we have designed total 25 individual structures of AlGaN/GaN high electron mobility transistors (HEMTs). Variations in drain current are studied with the change in drain voltage. Also, variations in drain current are studied with the change in gate voltage. Further, variations in drain current are studied with the change in aluminium mole fraction. The amount of drain current is higher in HEMT of lower gate length. This …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 6, Issue 1, 2020 · pp. 14–28 Read article
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SU-8 Based Glass Microfluidic Device Coated with Deposited Nano-Layer for Future Fabrication of Nanofluidic Microelectromechanical Systems
Abstract: Two SU-8 based glass microfluidic devices are fabricated by maskless lithography and laboratory-made clamping. The inner walls of one device are coated with nano-layer of diamond like carbon (DLC) using the plasma enhanced chemical vapour deposition (PECVD) system. The other device is remained uncoated. A CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record each surface-driven microfluidic flow of dyed …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 6, Issue 2, 2020 · pp. 60–63 Read article
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Nanostructured Carbon Aloe vera based DSSC Solar Cell Using Screen Printing Technology
Abstract: Today every nation faces vitality emergencies; so, to conquer it, various arrangements are given to advance towards sun-based energy harvesting which is rich and allowed to utilize. The presented study aims to give a simple synthesis technique for mass production of DSSC from working principles to the first commercial use. DSSC converts solar energy into electricity with help of energy harvesting materials like natural dye which makes it more sustainable …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 6, Issue 2, 2020 · pp. 52–59 Read article
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Solution Combustion Synthesis of Yttrium molybdate (Y6MoO12) Nanoparticles by using Peroxomolybdic Acid, Characterization and Applications
Abstract: The main aim of our present research work is to synthesize the distinct yttrium molybdate (Y6MoO12) nanoparticles with excellent photocatalytic activity through ultra-rapid solution combustion route using peroxomolybdic acid as molybdenum source for the first time. The morphology of Y6MoO12 nanoparticles studied using scanning electron microscopy (SEM) exposes that the particles are exceedingly porous and agglomerated. From BET surface area measurement, it is examined that Y6MoO12 nanoparticles exhibit relatively large …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 1–12 Read article
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Design and Implementation of Liquid Crystal Devices and Study its Nano Applications
Abstract: Photoalignment has clear benefits in correlation with the ordinarily "scouring" treatment of the substrates of fluid precious stone presentation (LCD) cells. The fluid gem photoalignment is nano- innovation, as the thickness of the arrangement layer is around 2–15 nm. The use of the photograph arrangement and photograph designing nano innovation for the new age of photonic and show gadgets will be inspected. We discussed about LC polarization regulators, rotators, and …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 1, 2022 · pp. 31–39 Read article
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Methodology Development for Lubricant Selection for Steam Turbine Bearing Using GTA
Abstract: Lubrication of two rubbing surfaces is required so that wear and tear is minimum. There are a lot of additives used to improve the lubricity of the lubricants. At present steam turbines are used to generate electricity from coal. A lot of lubricant is supplied to turbine bearings so that friction is minimized and also the wear and tear also. A lot of manufacturers are producing lubricants with different properties. …
Published in International Journal of Composite and Constituent Materials · Vol. 2, Issue 1, 2016 · pp. 26–38 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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Free Vibration Analysis of a Centre-Cracked Plate at Various Orientations through Finite Element Method
Abstract: The free vibration analysis of square centre-cracked plate at various orientations is investigated using the finite element method. In this research, the effect of cracked orientation, variation in cracked length, and variation in thickness of the plate are investigated. Consideration for a variety of edge condition is given through a combination of simply supported, free boundary and clamped boundary condition and determined the mode shapes and natural frequency of a …
Published in International Journal of Composite and Constituent Materials · Vol. 4, Issue 1, 2018 · pp. 5–18 Read article
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A Review on Carbon Nanotubes
Abstract: Carbon nanotubes (CNTs), one of the unique one-dimensional nanomaterials, have gained great attention because of their specific characters, versatile functionalization chemistry, and biological compatibility in the past few decades. In this paper author tried to discuss some important features, different types of CNTs, synthesis methods, purification techniques, some properties and application of the CNTs in various sectors. At last there is conclusion and some scope for research work is also …
Published in International Journal of Composite and Constituent Materials · Vol. 5, Issue 2, 2019 · pp. 27–34 Read article
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Effect of Abrasive Water Jet Machining Parameters—An Experimental Investigation
Abstract: Machining studies on the fiber reinforced polymer composites is vital requirement for the composites application in different fields. Particularly advanced machining techniques like abrasive water jet machining can be machined with higher accuracy and distortion free composites. In this work aims to study the abrasive machining parameters on the basalt fiber polymer composites. The woven basalt fiber reinforced polymer composites were prepared using hand layup techniques. The machining effect of …
Published in International Journal of Composite and Constituent Materials · Vol. 6, Issue 2, 2020 · pp. 21–23 Read article
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Experimental Study on Effect of Momentum Transfer Hydrocarbon Degradation in Stream System
Abstract: This research work demonstrates the significance of individual hydrocarbon degradation in a flowing stream system and the effect of the momentum transfer on the concentration of the individual hydrocarbon was examined on the influence of period of exposure (time) on the environment as well as the distance of dispersion. The substrate concentration variation was monitored with respect to time and distance as well as reciprocal of the substrate established by …
Published in International Journal of Composite and Constituent Materials · Vol. 6, Issue 2, 2020 · pp. 47–55 Read article
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Composite Materials-A Short Review
Abstract: The study on composite materials is truly multidisciplinary one. Researchers working in this field are of departments such as metallurgy, material science, chemistry, solid mechanics, and fracture and have made important contributions to the same. Composites can be created to meet specific geometrical, structural, mechanical, chemical, and even aesthetic requirements, depending on the intended application. Construction, such as in buildings and bridges, the automotive sector, aeronautics, naval (e.g., ships and …
Published in International Journal of Composite and Constituent Materials · Vol. 7, Issue 1, 2021 · pp. 9–11 Read article
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Thermal and structural properties of surface treated ragweed fiber reinforced biodegradable polylactic acid biocomposites
Abstract: Natural fiber-reinforced composites (NFRC) are becoming more popular as technological advance recognizes the need for eco-friendly materials. This work presents Giant ragweed (Ambrosia trifida) as a new composite reinforcement material into polylactic acid (PLA) matrix to form novel natural fiber-reinforced composites. Different types of retting techniques are utilized, and hydrogen peroxide retting is proven to provide the most optimized properties. The fibers are taken through subsequent extraction and grinding processes. …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 13–31 Read article
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Plant-drive Waste Fiber Reinforced Thermoplastic Composites: Modification of Fiber Surface Treatment
Abstract: Plant fibers are being utilized more frequently to create polymer composite parts for the aerospace, construction, and automotive industries. The increased awareness of the toxicity of synthetic fibers is what has caused a rise in the use of plant fibers across a variety of industries. It is crucial to emphasize that "Earth needs humans, not humans need earth," hence decision-makers and researchers are working to replace conventional materials with eco-friendly …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 14–23 Read article