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84 articles for “Scanning Electron Microscopy”
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Examination of Internal Defects in the Casting Process by Using a Scanning Electron Microscopy
Abstract: In today's manufacturing landscape, stringent requirements and specifications for mechanical properties and other characteristics have become crucial for top casting manufacturers. This paper focuses on using Scanning Electron Microscopy (SEM) as a powerful tool to analyze internal defects that significantly impact the performance of castings. Specifically, it delves into various aspects of this approach, including the identification of bifilm deficiencies in ductile and chromium cast iron, near-surface corrosion induced by …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 1, 2024 · pp. 6–18 Read article
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Green Synthesis of Silver Nanoparticles using Aqueous Leaf Extract of Artabotrys odoratissimus R.Br.
Abstract: In the present study silver nanoparticles were synthesized using the aqueous leaf extract of Artabotrys odoratissimus R.Br. as the reducing agent. The formation of silver nanoparticles was confirmed by colour change from light yellow to dark brownish red, UV-Visible Spectroscopy, FTIR, X-Ray Diffraction Method (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray microanalysis spectroscopy (EDS). The nanoparticles showed an absorbance at 475.5nm on UV-Visible spectroscopy. Fourier Transform Infra-Red (FTIR) …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 1, 2018 · pp. 5–11 Read article
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Comparative Analysis of Characterization Techniques for Nanomaterial: Strengths and Limitation
Abstract: Nanomaterials have become extremely popular in numerous fields because of their exceptional properties and potential applications. However, characterizing these materials can be challenging due to their minute size and substantial surface area. Over the years, various characterization techniques have been developed to understand the physical, chemical, and structural properties of nanomaterials. In this review, we compare and analyze the strengths and limitations of commonly used characterization techniques for nanomaterials. Several …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 2, 2022 · pp. 34–41 Read article
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Scanning electron microscopic study of antenna of Alphitobius diaperinus (lesser mealworm beetle)
Abstract: The dorsal surface of Alphitobius diaperinus bears sensilla in number that is basiconica, chaetica, tricoidea and coeloconic sensilla present on the surface of antenna. Antenna is short and serrate form of antennae, because of triangular in shape the free ends of the segment freely on one side which appear as the teeth of saw. Antenna is 11 segmented shiny antennae are short with the terminal segment lighter in colour. Length …
Published in International Journal of Animal Biotechnology and Applications · Vol. 6, Issue 2, 2020 · pp. 24–28 Read article
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Green synthesis of Copper nanoparticles using Ctenolepis garcini (Burm.f.) C.B Clarke.
Abstract: Copper nanoparticles, due to the excellent physical and chemical properties and low cost of preparation, have been of great interest in wide applications as heat transfer systems, antimicrobial materials, super strong materials, sensors and catalysts. The present study is a novel biological approach for the formation of copper nanoparticles using Ctenolepis garcinii (Burm.f.) C.B Clarke. Copper nitrate was made to reduce with aqueous solution of plant extract. UV-Visible spectrum showed …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Influence of Surface Treatments on the Adhesion of Plant Fibers to Epoxy Resin
Abstract: Because of their primary benefits, moderate strength and stiffness, low cost, and the fact that they are a renewable, biodegradable, and environmentally safe material, natural fibers are seen to have potential use as reinforcing agents in polymer composite materials. Since they are inherently hydrophilic, moisture can easily build up on them, weakening or plasticizing the fibers’ adhesion to the surrounding matrix and affecting the performance of composite materials used in …
Published in International Journal of Agrochemistry · Vol. 11, Issue 1, 2025 · pp. 12–24 Read article
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Synthesis, Spectral Study, SEM Analysis and Antibacterial Study of New Indole Azo Ligand and Complexes
Abstract: Azo ligands have developed significantly in recent decades due to their fundamental role in the coordination chemistry of transition elements. Their rapid response to coordination bonding in ligand and complex chemistry, particularly with divalent ions, is a key factor. The azo-bridged bond has played a well-established role in the formation of cobalt, nickel, and copper complexes. In this study, we prepared a novel ligand, an indole derivative bonded to an …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 1, 2026 · pp. 1–10 Read article
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Synthesis of Nano-ZnO by Chemical Method and its Characterization
Abstract: Nanocrystals of ZnO were prepared by chemical method using Zn (II) acetate and potassium hydroxide as the starting materials and methanol as solvent. The material was characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), electron diffraction analysis (EDS), UV-Visible spectroscopy, Dynamic light scatteringanalysis (DLS) and Fourier transform spectroscopy (FTIR) techniques. The results indicated that the obtained ZnO material was in nano-dimension and possessed pure …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 13–18 Read article
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Nanotechnology Based Drug Delivery System in Tuberculosis: Review
Abstract: From near the beginning centuries to present life Tuberculosis remains the world-wide disease without any limitations. In the other hand, in some cases in the infected individuals the disease remains in a dormant state. In this stage the treatment is hard as the lipid mycobacterial wall is thick & the delivery of drug inside the bacterial cell is difficult. Due to this new face of TB it becomes the major …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 2, 2017 · pp. 14–24 Read article
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Sliding wear behavior of plasma sprayed NiCrAlY-WC based composite coatings on AA5083 alloy
Abstract: WC based coatings was deposited by thermal spray process have been extensively used in industrial application to counter abrasive type of wear. In this study, for the first time NiCrAlY-WC based composite coatings were deposited on AA5083 substrate by plasma sprayed coating technique. The composite coatings were characterized by optical microscopy (OM), scanning electron microscopy (SEM) and microhardness. Sliding wear behavior of coated and uncoated samples was carried out on …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 2, 2018 · pp. 21–26 Read article
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Deposition and Characterization of ZnO Thin Films by Thermal Vacuum Thermal Evaporation Method for Photoconductive Sensor Application
Abstract: In this work we have deposited ZnO thin films using thermal evaporation method. The films have been deposited on silicon substrate for structural characterization and on glass substrate for optical characterization. The structural, surface morphology, optical properties and electrical properties of ZnO thin films were investigated systematically using X-ray diffractometer (XRD), scanning electron microscope (SEM), atomic force microscopy (AFM), ellipsometeric measurement and semiconductor parameter analyzer respectively. The deposited ZnO thin …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 2, Issue 1, 2016 · pp. 1–7 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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Two-dimensional MoS2 Nanosheets: Preparation and Characterization
Abstract: The amazing properties and useful applications of graphene in the field of sensors, electronics and material science opens a new challenges to other two dimensional semiconductor materials. Specially due to extraordinary electronic, mechanical and optical properties, molybdenum disulfide (MoS2) is attracting huge interest in several applications. Single layer MoS2 with direct band gap shows better semiconductor behavior such as photoluminescence, makes them more acceptable in optoelectronic applications in comparison with …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 2, 2019 · pp. 17–25 Read article
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Study of Dynamic Mechanical and Thermal Properties of Poly(Ether Ether Ketone) Carbon Nanotubes
Abstract: The effect of polyetherimide (PEI) as a compatibilizing agent on the morphology, thermal, electrical and dynamic-mechanical properties of poly(ether ether ketone) (PEEK)/single-walled carbon nanotube (SWCNT) nanocomposites, has been investigated for different CNT loadings. After a pre-processing step based on ball milling and premixing under mechanical treatments in ethanol, the samples were prepared by melt extrusion. A more homogeneous distribution of the CNTs throughout the matrix is found for composites containing …
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 1–21 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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Tri-Route Orchestration of Sr-Modification, MoldVibration, and T6 Treatment on the Microstructure andPerformance of A356 Alloy
Abstract: This study examines the cascade effects of chemical modification, mechanical mold vibration during solidification, and subsequent T6 heat treatment on the microstructural evolution and multi-property enhancement of A356 Alloy cast via permanent mold casting. Initially Sodium (Na) modifying flux (2– 4 wt%) and Strontium (Sr) elemental modifier (0.01–0.05 wt%) were implemented to refine the morphology of eutectic silicon; Sr addition at an optimal concentration of 0.04 wt.% yielded superior eutectic …
Published in International Journal of Manufacturing and Materials Processing · Vol. 12, Issue 2, 2026 · pp. 13–25 Read article
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Advances in the Synthesis and Functional Applications of Crystalline Materials
Abstract: Crystalline materials represent one of the most important classes of advanced materials in modern science and engineering due to their highly ordered atomic arrangements and outstanding physical, chemical, electrical, optical, thermal, and mechanical properties. The periodic organization of atoms within crystal lattices provides exceptional opportunities for controlling and optimizing material performance through advanced synthesis strategies, crystal growth techniques, compositional modification, and defect engineering. Recent progress in materials science has enabled …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 2, 2026 Read article
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Synthesis and Characterization of Polymer-Based Organic–Inorganic Hybrid Materials viaSol–Gel Processing: A Review of Gelatin–Silica, Gelatin–Silica–Titania and HPMA-Based Systems
Abstract: Organic–inorganic hybrid materials have emerged as a versatile class of advanced materials that integrate the flexibility and functionality of organic polymers with the thermal, mechanical, and chemical stability of inorganic networks. Among the available fabrication routes, the sol–gel process has gained considerable attention because of its simplicity, low processing temperature, compositional flexibility, and ability to tailor material properties at the molecular level. The present review discusses the synthesis and characterization …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 2, 2026 Read article
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Mechanical and Thermal Characterization of Natural Fiber-Reinforced Epoxy Composites for Structural Applications
Abstract: Natural fiber reinforced polymer (NFRP) composites have emerged as promising alternatives to conventional synthetic fiber composites owing to their environmental sustainability, low density, and competitive specific mechanical properties. However, a comprehensive and simultaneous evaluation of both mechanical and thermal performance of jute/sisal hybrid natural fiber epoxy composites under systematic fiber treatment conditions remains insufficiently addressed in the literature. The present study investigates the mechanical and thermal characterization of jute and …
Published in International Journal of Composite Materials and Matrices · Vol. 12, Issue 1, 2026 · pp. 37–48 Read article
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Interfacial Engineering and Performance Optimization of Jute-Fiber-Reinforced Epoxy Laminates
Abstract: The increasing environmental concerns associated with synthetic fiber reinforced polymer composites have driven substantial research interest toward naturally derived, biodegradable fiber alternatives. This study presents a comprehensive mechanical and thermal characterization of jute fiber reinforced epoxy composites fabricated via hand lay-up followed by compression molding. Jute fibers were subjected to alkali treatment using 5 wt% sodium hydroxide (NaOH) solution for 4 hours at ambient temperature to enhance fiber–matrix interfacial bonding …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 52–64 Read article