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1013 articles for “characterization”
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Kinetic Modeling and Thermodynamic Study of the Simultaneous Adsorption of Polycyclic Aromatic Hydrocarbons (PAHs) Onto Organomontmorillonite in Aqueous Medium
Abstract: Water is a vital source of human life, but it has frequently been polluted by mono and polycyclic aromatic hydrocarbons, usually from petrochemicals in petroleum industrial effluents as well as other anthropogenic activities. This study investigate the potential of montmorillonite intercalated HDTMAand TMPA cations for effective removal of five (5) different polycyclic aromatic hydrocarbons (PAH) namely: naphthalene, anthracene, chrysene,benzo(a)pyrene and benzo(g,h,i) perylene in aqueous medium. To research PAH adsorption behaviour …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 28–38 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
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MISCIBILITY EVALUATION OF POLYSTYRENE AND POLY(METHYL METHACRYLATE) BLENDS: ANALYSIS OF MECHANICAL, THERMAL, MORPHOLOGY, AND VISCOELASTIC PROPERTIES
Abstract: Partially miscible blend of polystyrene (PS) and poly(methyl methacrylate) (PMMA) was successfully prepared employing melt blending technique. In order to impart miscibility, the processing was carried out at temperature above upper critical solution temperature (UCST) as studied from cloud point measurements. The complex modulii and viscosity derived from melt rheology analysis as a function of angular frequency were also used to study the effect of PMMA loading on the miscibility …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 Read article
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Innovative Value Chain Development of Modified Starch for a Sustainable Environment: A Review
Abstract: Granular structure of starch is widely utilized in a variety of applications due to its universal abundance, relatively low cost, and ability to impart a broad range of functional properties to their products. However, most starches in their native form have limitations that make them less than ideal for the diversity of desired applications. For this reason, most of the starch utilized as a food or industrial ingredient is first …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 · pp. 20–32 Read article
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EFFECT OF HEAT AGEING ON MECHANICAL PROPERTIES OF POLYAMIDE 6(NYLON 6) & POLYAMIDE 12(NYLON 12)
Abstract: Polyamide 6 or Nylon 6(PA 6) and polyamide 12 or Nylon 12 (PA 12) are well known engineering semi-crystalline polar polymers characterized by the presence of amide linkage (-CONH-) in the repeating units of their chains. The glass transition temperature (Tg) of PA 6 and PA 12 is ~50 °C and ~37 °C respectively. PA 6 is widely used for gears and bearings, fittings in automobile industry for under hood …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 2, 2016 · pp. 1–12 Read article
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A Review on the Properties of Polymeric Micelles
Abstract: Lately, polymeric micelles have pulled in a considerable measure of consideration as far as their particular conveyance of hydrophobic payload to the objective site. Polymeric micelles are viewed as more steady than their surfactant partners and can drag out flow times in vivo and their particular gathering in the tumoral tissues. They can viably solubilize little hydrophobic medications in their internal most hydrophobic center while their external hydrophilic shell can …
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 22–25 Read article
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MECHANICAL BEHAVIOR OF MICRO-LATTICE STRUCTURE OF BCC ARCHITECTURE IN SANDWICH CONSTRUCTION UNDER UNI-AXIAL COMPRESSIVE LOADING CONDITIONS
Abstract: ABSTRACT: Due to high energy absorption and fire resistant characteristics, the researchers have focused on micro-lattice structures. This research paper focused on applications of micro-lattice structures in the foreign object impact conditions and has high potential in the future of any structural applications, mainly aircraft structural applications. The micro-lattice structures are of body centered cubic (BCC) architectures and for modeling, the structures with four different unit cell edge lengths are …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 2, 2018 · pp. 1–23 Read article
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Low temperature plasma treatment of polymeric membranes: a comparative review
Abstract: This paper presents a comparative study of plasma surface modification of various polymeric membranes. Low temperature plasma treatment using pulsed direct current discharge of different gases was employed to enhance hydrophilicity of membranes. Radio frequency discharge of various gases was used to improve surface properties of different polymeric membranes. The enhancement of hydrophilicity of the plasma modified membrane surface was evaluated by measuring the contact angle. The membranes were characterized …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 1–19 Read article
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Aerogel to Study Nano-composite
Abstract: This article has linked to economic aerogel utility of build as by apply of thermal insulation from high and low temptation than usual subscription. Aerogel for building construction always esteemed to be damp proof reticulated architected formation. Space mission is inclusive afterwards as an energy absorber. Typified composite form mostly subjected to class as notified form after solidification on drying gelatinous composes from carbon, clay and silica. Multifunctional material characteristics …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 1, 2021 · pp. 1–10 Read article
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Review On Carbon Reinforced Fiber Composites Using Banana Fiber as Reinforcement Material
Abstract: Composites play a vital role in the area of materials science and engineering as compared to conventional materials composite materials seems to be better than alloys /metals. Composites mean mixing of two different materials of various properties. Composites materials will work for more life no wear and tear problem less weight compared to metal/alloys. In this paper review is studied on carbon reinforced fiber composites using banana fiber as reinforcement …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 2, 2021 · pp. 1–4 Read article
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Modification of Poly Vinyl alcohol by Grafting and Appropriate Blending for Higher Stability and Biomedical field Application
Abstract: PVA is a one of the most important vinyl polymer which is widely used in industrial applications. PVA polymer has excellent adhesive property, solubility in water and it is biodegradable. But when it is modified by appropriate crosslinking or grafting or blending techniques then its physical as well as stability is altered. When polymer is modified by blending with other materials then its degradability decreases but thermal stability increases. In …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 2, 2021 · pp. 27–33 Read article
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Green Synthesis of Zinc Oxide (ZnO) Nanoparticles using Urtica dioica Plant Leaf Extract
Abstract: The green synthesis of nanoparticles by biological systems, particularly plant extracts, has become an emerging area of nanotechnologies. Nano materials have wide range application in various fields such as electronics, optics, material science and bio medical science due to their size and morphology. Zinc oxide is a versatile semiconductors material and has attractive properties like wideband gap (3.2eV) large exciton biding energy, high stability and environmental friendly material. The synthesis …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 44–57 Read article
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Photon assisted Bio Nanopolymers for applications of drug delivery, diagnosis & would healing
Abstract: Biopolymers are valuable complex materials. They attract attentions of many scientists, engineers, and medical professionals’ for application research. The focus of this research is a base line assessment of valuable Nanosized biopolymers, Chitosan. As ordinary polymers, nano sized biopolymers are visualized as natural and synthetic polymers. Hence, systematic descriptions of nanosized biopolymers, the synthesis methods, characterization methods, and biomedical application will be presented. In this regard, the photon activated green …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 25–36 Read article
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Effect of Castor Oil Based Multi-Functional Additive on the Properties of Natural Rubber Vulcanizate
Abstract: The effect of castor oil based multifunctional additives on the properties of natural rubber vulcanizate was studied. The castor oil was extracted from castor seed via mechanical expression and characterized. The castor oil based Multifunctional Additive (MFA) was synthesized by reacting castor oil with Diethylamine at temperature of 80oC under constant stirring for one hour and further cooled in a water bath to terminate the reaction. The formulation of the …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 1, 2023 · pp. 5–13 Read article
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Experimental Investigation To Study the Effect of Heat Treatment on Mechanical Properties and Microstructure of Duplex Stainless Steel
Abstract: The broad aim of this paper is to study the enhancement in mechanical properties of duplex steel by thermomechanical processing. Solution annealing followed by water quenching, hot rolling to 10% and 30%, cryo-rolling to 80% and 90% and ageing at 600°C and 1000°C for 5 hrs were the treatments given. The cryo-rolled samples were used for impact testing and rest for tensile testing. Microstructural analysis was done after the various …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 32–42 Read article
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Analysis of Savonius Wind Turbine for Air Striking At Different Angles
Abstract: The global small wind turbine (SWT) market has been on the upswing in the last five years. The main drivers of this growth are the demand-supply gap in energy, increasing fossil fuel prices, improved small wind turbine technology and the diverse application to which it can be put to both ‘grid-tied’ and ‘stand-alone’ system. The market for SWT technology is growing in India also, and may require market drivers like …
Published in International Journal of Mechanics and Design · Vol. 2, Issue 2, 2016 · pp. 14–19 Read article
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Review Study on Experimental Investigation of Heat Transfer Using Al2O3 and CuO Nanoparticles with Water as Base Fluid Through Circular Tube of Heat Exchangers
Abstract: A colloidal mixture of nanometric particles (<100 nm) in a base liquid called nanofluid, which is the new generation of heat transfer fluid for various heat transfer applications where the transport characteristics are substantially higher than the base liquid. This review summarizes and analyzes the empirical correlations for the effective thermal conductivity and the dynamic viscosity of the nanofluid on the basis of experimental data and the theoretical model available …
Published in International Journal of Mechanics and Design · Vol. 3, Issue 2, 2017 · pp. 17–23 Read article
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Predictive Model on Constant Pressure Drop Variable: Area Fluid Flow System in a Pipe
Abstract: The effect of density, pressure drop, and orifice area was examined in this research. The basic equation developed to represent steady-state fluid flow is the Bernoulli equation which assumes that the total mechanical energy is conserved for steady incompressible, in viscid, isotherm flow with no heat transfer or work done. These restrictive conditions can actually be representative of many physical systems. The Bernoulli’s principle was applied in explaining the design …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 1, 2018 · pp. 23–34 Read article
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Generative Design and Simulation for Castor Wheel Assembly
Abstract: A castor wheel CAD model can be used to optimise the wheel's design for avariety of elements, including load capacity, durability, and use. Given theemployment of evolutionary algorithms and search strategies in thiscomputational process, generative design, also known as evolutionary design,is not a new idea. It can be characterised as a prototype design system thatcreates fresh conceptual designs from scratch using a genetic algorithm. In thismethod, a prototype system generates …
Published in International Journal of Mechanics and Design · Vol. 8, Issue 2, 2022 · pp. 15–24 Read article
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LATTICE-BASED CELLULAR STRUCTURE DESIGN STRATEGY
Abstract: This research article has examined the objective of investigating the design processes orapproach for CAD modeling using open-source 3D modeling and graphics tools. Thisresearch focuses on CAD modeling and the numerous challenges and concerns associatedwith developing micro-lattice structures for the metal additive manufacturing process usingDFAM guidelines. These structures have been built for metal AM employing 3D-periodicregular and FGLSs (homogenous and heterogeneous) with varied unit-cell types and sizes.Another purpose of this …
Published in International Journal of Mechanics and Design · Vol. 8, Issue 2, 2022 · pp. 7–14 Read article