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272 articles for “scanning electron microscopic”
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Scanning Electron Microscopy of Candida albicans Cell Wall on Tooth Surface after Fluconazole-Treated and Incubated with Guava (Psidium guajava L.)
Abstract: The cell wall of Candida albicans is a target of fluconazole. The content of guava (Psidium guajava L) is known to contribute factors to resistance of fluconazole.Objective: To characterize the surface alterations and the general shape changes of Candida cells after in vitro exposure to fluconazole and guava.Material and Methods: Six tooth specimen groups—Cells exposed without fungicidal doses (negative control), Positive cells exposed to maximal fungicidal doses of Fluconazole (100 …
Published in Research and Reviews: A Journal of Dentistry · Vol. 8, Issue 3, 2017 · pp. 10–17 Read article
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Experimental Studies to Record the Lithographically Fabricated Microstructures by Surface Profilometry and Scanning Electron Microscopy for Microfluidic Laboratory-on-a-Chip Systems
Abstract: In this research paper, the poly(methyl methacrylate) (PMMA) microfluidic laboratory-on-a-chip system is fabricated in the cleanroom laboratory by maskless lithography, hot embossing lithography and direct bonding technique. The microstructures of the lab-on-a-chip system are measured by surface stylus profilometer. Also, the images of microstructures of lab-on-a-chip system are captured by using scanning electron microscopy (SEM). This fabricated lab-on-a-chip system is useful in bioengineering applications.
Published in Journal of Polymer & Composites · Vol. 4, Issue 1, 2016 · pp. 27–36 Read article
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Investigation on Mechanical Properties of Bamboo-Plastic Composites by Alkali Treatment and Illustration via Scanning Electron Microscopy
Abstract: The morphological properties, tensile and flexural strength of composite materials made of bamboo fibres and plastic were investigated. Bamboo-plastic composites (BPCs) were made from bamboo fibres, plastic, and urea formaldehyde (UF) resin to evaluate the effects on mechanical properties. Two different types of plastics, namely polypropylene (PP) and low-density polyethylene (LDPE) were used to make the composite fabrication. The bamboo fibres were extracted after soaking them in a sodium hydroxide …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 86–95 Read article
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Experimental Investigation for Strengthening the Nanocomposite Cementitious Materials with a Nanoscale Modification
Abstract: For the last few decades, researchers have widely used nanopolymer to control the mechanical properties of cementitious materials as a micro reinforcement. This paper examines and compares the mechanical and microstructure property of nanofiber cementitious material. Twenty-four sets of beam/cube cast with carbon nanofibers (CNFs) cementitious material where CNFs were used from 0.1%, 0.2%, and 0.3% of cement weight. The nanoparticles were scattered using a surfactant and an ultrasonic probe …
Published in Recent Trends in Civil Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 10–24 Read article
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Preparation and Characterization of Aluminium Doped ZnO Thin Films by Spin Coating Technique
Abstract: In this work, the preparation of Al-doped ZnO (AZO) thin films by the sol-gel spin-coating method is reported. The structural properties and surface morphologies of film prepared at RT were characterized by X-ray diffraction (XRD) and field emission scanning electron microscope (FE-SEM). The XRD and SEM results disclosed that the crystallization quality and grain size of as-prepared films were highly influenced by Al doping. Laser Raman Spectrometer results indicated that …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 2, 2020 · pp. 16–22 Read article
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Concrete Compressive Stress-Induced Crack Analysis and the Main Causes of Concrete Cracks in Construction
Abstract: The findings of experimental investigations into the micromechanical behaviour of concrete under various loading scenarios are presented in this work. Concrete specimens with normal and high strengths were examined under uniaxial compression in constrained spaces. Injection of a low melting point alloy was done into the concrete specimens' pores and fissures. To preserve the load-induced stress microcracks and the pictures from the cross sections of the concrete specimens photographed by …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 2, 2022 · pp. 11–15 Read article
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Enhancing Fire Performance of Steel Reinforcement in RCC Structures: A Comprehensive Investigation
Abstract: The assessment, repair, and rehabilitation of fire-damaged structures have become crucial due to the rise in significant building fires.This particular field necessitates proficiency in various domains including concrete technology, material science and testing, structural engineering, and repair materials and processes. Researchers and developers are currently engaged in extensive efforts to tackle the challenges related to improving the fire resistance of steel reinforcement in reinforced concrete (RCC) structures. These endeavors involve …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 33–40 Read article
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Experimental Techniques for Investigating Microstructural Effects on Solid Mechanics Behavior
Abstract: It is critical to comprehend the complex interaction between mechanical behavior and microstructure in order to optimize material performance and create solid engineering components. In the topic of solid mechanics, this review article offers a thorough summary of the experimental methods used to look into the influence of microstructural characteristics on solid behavior. It highlights the fundamentals, possibilities, and uses of a broad variety of experimental techniques, including as mechanical …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 3, 2023 · pp. 24–32 Read article
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Characterization of Aluminum Metal-Matrix Composite with SiC and B4C Reinforcement with Different Weight Percentage
Abstract: Metal Matrix Composites (MMCs) have been prepared by compo casting method. The effect of matrix material on the wettability/compatibility of refinement with matrix is studied. Silicon and boron ceramic particles were used as reinforcement in aluminum matrices. The study of density, micro-hardness and the tensile strength has been done in order to characterize the same. It is found that Al-SiC MMC shows an increase in density with increasing weight percentage …
Published in Journal of Experimental & Applied Mechanics · Vol. 6, Issue 1, 2015 · pp. 1–6 Read article
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A Study on Tribological Behaviour of Fly Ash Filled Glass Fiber Reinforcement Epoxy Based Composites Using Taguchi Experimental Design
Abstract: Fiber-reinforced polymer composite materials have better corrosion resistance, better wear resistance, reduced weight of structure, good thermal/electrical insulation and conductivity, etc. due to their properties its application field include aircraft, space crafts, automotive, infrastructure, marine, and sporting goods. But a major industrial problem is erosive wear of structure components caused by abrasive particles. Solid particle erosion of engineering/structure components caused due to dusty operational conductions. But, even today, researchers worked …
Published in Journal of Experimental & Applied Mechanics · Vol. 11, Issue 1, 2020 · pp. 1–5 Read article
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EFFECT OF Scandium and Zirconium ADDITIONS ON HARDNESS AND CORROSION RESISTANCE OF AA5083 Alloy
Abstract: This study investigates the hardness and corrosion resistance of modified AA5083. Stir casting with cold rolled condition was applied to prepare the four compositions, namely AA5083 alloy, modified AA5083 alloy with 0.2wt.%Sc-0.1wt.%Zr, modified AA5083 alloy with 0.4wt.%Sc-0.1wt.%Zr alloy, and modified AA5083 alloy with 0.6wt.%Sc-0.1wt.%Zr alloy. Alloying with Sc-Zr has a strong influence on the hardness of AA5083 alloy and corrosion resistance.
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 1, 2019 · pp. 1–8 Read article
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STUDIES ON WEAR BEHAVIOR OF BORON CARBIDE PARTICULATES REINFORCED ALUMINUM 7075 METAL MATRIX COMPOSITES
Abstract: In this present work, Aluminum 7075 is used as matrix material with Boron Carbide asreinforcement. Two different compositions were used to prepare the composite. The composites werefabricated by Stir Casting Technique as per ASTM G99 and tested under Pin-on-Disc wear test rig. Theexperiments are conducted through conventional method and macro structural studies were carried out bySEM analysis. The results show that, in conventional method, the reinforced composite Aluminum 7075-10%B 4 …
Published in Journal of Polymer & Composites · Vol. 7, Issue 2, 2019 · pp. 1–7 Read article
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The Patterns of Enamel Rod after Exposure to Probiotic Beverages
Abstract: Probiotic beverages have a taste of acid that is produced by fermentation of probiotic bacteria. The acid condition can affect the structure of tooth enamel. The structure of tooth enamel is formatted by enamel prism that is composed by hydroxyapatite (HA) crystals. According to several studies, HA has a critical pH <5.5 and can be changed in 180 min by acid. The objective of the study is to describe enamel …
Published in Research and Reviews: A Journal of Dentistry · Vol. 3, Issue 2, 2012 · pp. 28–36 Read article
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Dynamic deformation and microstructural characteristics of AA5083 under the influence of electrochemical behaviour using equal channel angular pressing
Abstract: Large-scale Equal channel angular pressing is a great engineering material that has more potential for AA5083 industrial applications. Uniaxial dynamic compressive tests across a temperature of 448 K were conducted for the ECAP technique AA5083 in order to create such a design framework. The microstructure was described using transmission electron microscopy and scanning electron microscope both before and after dynamic loading. The plastic flow behaviour of the AA5083 was described …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 95–112 Read article
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Recent Advances in Crystal Defect Engineering of Semiconductor Photocatalysts for Sustainable Environmental and Energy Applications
Abstract: Semiconductor photocatalysis has emerged as one of the most promising green technologies for addressing environmental pollution and global energy challenges through solar energy utilization. Nevertheless, the practical application of conventional semiconductor photocatalysts is often limited by their narrow visible-light absorption, rapid recombination of photogenerated electron–hole pairs, insufficient active sites, and poor charge-transfer efficiency. Defect engineering has recently attracted significant attention as an effective strategy to overcome these limitations by deliberately …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 4, Issue 2, 2026 Read article
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Dissimilar Joining Of Aluminium Alloy to Copper Using Tungsten Inert Gas Welding Process
Abstract: Aluminium-copper dissimilar joints are applicable to electrical industry. 2 mm thick aluminium alloys (A1100) sheet is joined to 1 mm thick copper (Cu-DHP) sheet using tungsten inert gas welding (TIG) process. The effect of process parameters like heat input, torch orientation, arc weaving on mechanical properties of the joint are studied. In this combination the molten pool generated by melting of aluminium edge will wet the coppersurface to form a …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 2, 2018 · pp. 15–20 Read article
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Exploring the Mechanical Characterization and Microstructural Properties of the Varying Weight % of Nano Boron Carbide (nB4C) Reinforced Al2024 composites using the Vacuum-Assisted Stir Casting Method
Abstract: In this investigation the stir casting technique is utilized to fabricate Al2024-B4C nano composites. The nanoB4C particles used in the reinforcement material have a particle size of 50 nm and variable weight percentages. In Al2024 composites, boron carbide reinforcement is included at weight percentages ranging from 0% to 3%, with a 1% interval between each percentage addition. Following the casting process, the samples were prepared for microstructural and mechanical evaluation …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 394–404 Read article
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Taguchi Analysis of the Thrust Force and Delamination in Drilling of Glass Fiber Reinforced Epoxy/Clay Nanocomposites
Abstract: AbstractComposites are replacing several materials due to their superior properties such as high strength to weight ratio, high stiffness to weight ratio, better impact characteristics, corrosion resistance and design flexibility. Drilling is often required to facilitate the assembly of the parts to get the final product. However, drilling induced damage affects the quality of the drilled components. The present investigation is an attempt to study the effect of the cutting …
Published in Journal of Polymer & Composites · Vol. 2, Issue 2, 2023 · pp. 14–23 Read article
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Mechanical and Tribological Characterization of CaCO3 and CaSO4 Filled CSM-E-Glass Fiber Reinforced Vinyl Ester Composites
Abstract: AbstractIn this paper, mechanical and tribological behavior of the composites under dry sliding wear of vinyl ester matrix reinforced with chopped strand mat (CSM)-E-glass fiber and fillers CaSO4 and CaCO3 sliding against smooth stainless steel counterface (Ra = 0.07 µm) using Taguchi experimental design has been presented. The effects of sliding velocity (1.57, 2.62 and 3.67 m/s), normal load (20, 40 and 60 N), filler content (0, 10 and 20 …
Published in Journal of Polymer & Composites · Vol. 1, Issue 3, 2013 · pp. 13–31 Read article
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Investigation of Inter Delamination Properties and Morphological Analysis of Natural Fiber-Reinforced Polymer Matrix Composites
Abstract: AbstractNatural fibers are strong, light weight, renewable, cheap, completely or partially recyclable, and biodegradable. The various types of natural fibers are flax, cotton, jute, sisal, kenaf pineapple, bamboo, banana, wood, etc. In this work, sisal fibers and banana fibers have been employed as the main reinforcing materials with epoxy resin as the matrix in order to increase the effectiveness of natural fiber-reinforced polymer matrix composites. In this study, it is …
Published in Journal of Polymer & Composites · Vol. 3, Issue 3, 2015 · pp. 1–7 Read article