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670 articles for “Indices”
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Compatibilizing Effect of Modified Polypropylene on the Properties of Polypropylene/Organically Modified Layered Silicate Nanocomposites
Abstract: In the present research paper, a series of polypropylene (PP) nanocomposites containing 3, 5, and 7 wt% of an organically modified layered silicate (OM) were prepared via direct melt mixing in the presence of maleic anhydride grafted polypropylene (indicated as PP-g-MA, PPMA), and hexamethylenediamine-modified maleic anhydride grafted polypropylene (marked as PP-g-HMDA, PPHMDA) as compatibilizing agent at concentration of 10 wt%. Subsequently the influences of the compatibilizer on the morphological, mechanical, …
Published in International Journal of Composite Materials and Matrices · Vol. 7, Issue 1, 2021 · pp. 8–19 Read article
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Mesomorphic Study of Achiral Hockey Stick- shaped Imine Linked Thiadiazole Compounds
Abstract: Achiral hockey stick-shaped molecules are a new extended set for calamitic rod-like liquid crystals,thiadiazole with Incorporation of a nitrogen linkage to the basic structures of a compound will acquaint another new property called photochromism along with liquid crystal because of the photo-isomerization of the -C=N linkage. Now, assuming such compounds also show the liquid crystalline property, then they will become multi-functional due to their photochromic property which might be taken …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 2, 2022 · pp. 41–50 Read article
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Green Adhesive—Using Glyoxalated Lignin and Hydrogenated Resin as Ecologically Safe Wood Adhesive for Interior Plywood
Abstract: Petroleum-based adhesive such as urea formaldehyde and phenol formaldehyde resin dominates adhesive market which releases formaldehyde and VOC to the environment. The purpose of this study is to develop an adhesive based on isocyanate in combination with compounds from renewable sources like lignin, protein and starch. Adhesive formulation was developed by incorporation of hydrogenated resin, corn starch/PVOH emulsion with glyoxalated lignin (GL) and evaluation properties of the adhesive with plywood …
Published in International Journal of Polymer Science and Engineering · Vol. 1, Issue 1-2, 2015 · pp. 23–27 Read article
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Isolation and Characterization of Tamarind Seed Polysaccharides Being Used as a Biopolymer in Modern Drug Delivery System
Abstract: Tamarind seed polysaccharide (TSP) obtained from the seed of Tamarindus indica tree. It possesses different properties like high viscosity, broad pH tolerance, biocompatibility, mucoadhesive nature. It is used as thickener, stabilizer, gelling agent in food and pharmaceutical industries and Gums are widely used natural materials for conventional and novel dosage forms. The objective of present investigation was to search for a cheap and effective natural polymer that can be used …
Published in International Journal of Polymer Science and Engineering · Vol. 2, Issue 1, 2016 · pp. 1–6 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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FABRICATION AND EVALUATION OF VINYL ESTER RESIN BASED HYBRID COMPOSITES
Abstract: Jute is most widely used natural fiber in combination of various polymer because of easy availability, low environment impact, low density, low production cost, satisfactory mechanical properties and usage in wide range of applications. Mechanical properties of fibers are depending upon various factors such as fiber length, fiber orientation, fiber contact etc. In the present study, composite of Jute (J) and Glass fiber (G) have been fabricated using hand lay …
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 26–31 Read article
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Numerical Simulations on Suitability of Blending Indian Coal during Normal Air Combustion
Abstract: The development of the country’s economy in the past decade has increased the energy consumption in India. The major source of energy in our country is combustion of fossil fuel i.e. coal. The research on pyrolysis of coal and other fossil fuels is related to unsteady state, one dimensional, variable property model of transport phenomena with inclusion of heat, mass and momentum transfers. In the present research work mainly aimed …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 1, 2018 · pp. 20–27 Read article
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Viscoelastic Properties of Polymer Nanocomposites with Polydispersity in Nanoparticle Sizes
Abstract: The viscoelastic properties of polymer nanocomposites are investigated as a function of the size distribution of nanoparticles, the nature of interactions and results are compared with the pure polymer melt. We modeled our PNCs with two sizes of nanoparticles and polymer blends and four different cases with different polymer-nanoparticle and nanoparticle-nanoparticle non-bonded interactions. We have observed the enhancement in properties is not only due to the addition of nanoparticles but …
Published in International Journal of Polymer Science and Engineering · Vol. 5, Issue 2, 2019 · pp. 42–52 Read article
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Synthesis Innovative Cyclic Formazan Compounds for the First Time and Evaluation of Their Biological Activity
Abstract: The research included the invention of cyclic formazan compounds for the first time in this research that carried out in April 2021, where the usual formazan compoundswere previously attended, but in the current research we attended the cyclic formazan compounds as innovative compounds and after that they were diagnosed by reliable chemical means of measurement, that provided vibrant indication of theirchemical constructions via numerous technical apparatuses similar (FT IR-Bands, 1H.NMR-Peeaks, …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 2, 2021 · pp. 5–14 Read article
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Comparative Experimental Measurement on the Fundamental Properties of Chemically Treated Natural Fibers
Abstract: Plant-derived natural fiber as a reinforcing component can play a prevalent role in the field of fiber reinforced polymer composite due to their obtainability, environmentally friendly, renewability, low- density, and low cost. Golden fiber (jute fiber)/coconut fiber can be a potential candidate to replace the synthetic fiber reinforced polymer composite. The influences of chemical treatments such as mercerization, sodium lauryl sulfate and a combination of mercerization and sodium lauryl sulfate …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 1, 2022 · pp. 34–44 Read article
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Performance Calculation of a Gas Plant Compressor Unit
Abstract: This research was centered on calculating the performance of a gas plant compressor unit which was achieved using Tunu Booster Station facility. The results shows that the ability of the compressor, isentropic efficiency and coefficient of performance of the compressor gave values of 33899kw, 0.83 and 1.2. The deviations from the existing plant values were 35.6%, 31.7% and 20% respectively. Other parameters that were considered and evaluated include the failure …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 13–24 Read article
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Characterization of the Magnetization Reversal of Bulk Electrical Steel and FeCoBSi Thin Film
Abstract: The aim of the research paper is to characterize the magnetization reversal of bulk electrical steel and FeCoBSi thin film samples by using MOKE microscope and further record the magnetic domain structure and magnetic hysteresis of samples along both easy and hard axes of magnetization. MOKE microscopy is widely used in research field to characterize magnetic properties of materials used in integrated photonics and spintronic devices. The area under the …
Published in International Journal of Mechanics and Design · Vol. 7, Issue 1, 2021 · pp. 33–42 Read article
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Review of Optimization Process Parameters in Welding system
Abstract: This study was based on design of experiment (DOE) using Taguchi method with four welding parameters namely welding current, welding speed, root gap and electrode angle considered for experimentation. An orthogonal array of L9 experimental design was adopted and ultimate tensile strength was investigated for each experimental run. The tensile test was carried out on extracted welded and unwelded specimens using universal testing machine (UTM). Microstructures of the welded specimens …
Published in International Journal of Manufacturing and Materials Processing · Vol. 2, Issue 1, 2016 · pp. 48–54 Read article
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Surface Roughness Analysis on the Vegetable Oil Based Cutting Fluid in Turning of EN8 Steel
Abstract: In the present work, properties of the present work of the non-ionic surfactants have been recognized to formulate vegetable oil based cutting fluid (VBCF) palm oil for the emulsion as non-conventional lubricant. Surface finish is an important indicator of quality in manufacturing industries and thus it is regarded as one of the most important parameter to be considered. In this present work different machining parameters were taken and their effect …
Published in International Journal of Manufacturing and Materials Processing · Vol. 3, Issue 1, 2017 · pp. 1–8 Read article
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Experimental Investigation of Vegetable Oil Based Cutting Fluid (VBCF) on Surface Roughness in Turning EN-8 Steel
Abstract: In the present study, properties of the present work of the non-ionic surfactants have been recognized to formulate vegetable oil based cutting fluid (VBCF) palm oil for the emulsion as non-conventional lubricant. Surface finish is an important indicator of quality in manufacturing industries and thus it is regarded as one of the most important parameter to be considered. In this present study, different machining parameters were taken and their effect …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 1–11 Read article
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Microstructural and Hardness Study of A390/20wt.% SiC Functionally Graded Metal Matrix Composite
Abstract: Functionally graded materials are the upcoming new class of advanced materials, which exhibit gradual change in the microstructure and the composition in a definite direction, and hence variation in functional performance within a part. Functionally graded metal matrix composites (FGMMC) are FGM with metal and ceramic constituents. Aluminum-Silicon alloys are well-known for their unique combination of desirable characteristics, which includes excellent castability and less density combined with good mechanical properties. …
Published in International Journal of Manufacturing and Materials Processing · Vol. 6, Issue 2, 2020 · pp. 52–58 Read article
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International Journal of Manufacturing and Materials Processing
Abstract: Friction and wear resistance were studied on SiC-based novel ceramic composite for applications in advanced automotive braking systems. In the present work, SiC-based ceramic composite was prepared by solid-state reaction synthesis route using a fine powder of precursors. The product was investigated for wear rate under different load conditions in the range from 10N to 70N and speed conditions in the range from 0.13 m/s to 0.52 m/s. The present …
Published in International Journal of Manufacturing and Materials Processing · Vol. 7, Issue 1, 2021 · pp. 14–24 Read article
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Production of Dental Materials by Computer-Aided Manufacturing Technologies
Abstract: The aim of the present paper is to make a review of the modern trends in the development of the technologies for production of dental materials. An understanding of the currently available bonding strategies to CA/CAM materials can help the clinician to select the most indicated system for each category of materials. Three are the main trends in production technologies in dentistry last 30 years: digitalization, simulation and implementation of …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 1, 2017 · pp. 36–39 Read article
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Experimental Investigation of Process Parameters on Machining Force, MRR and Power in Turning of AISI 316 Steel
Abstract: A machining process involves many process parameters which directly or indirectly influence the surface quality of the product. A precise knowledge of these optimum parameters facilitate reduce the machining costs and improve product quality. Current investigation aims to investigate the effect of process parameters; cutting speed, feed and depth of cut in turning of SS-316 which is widely used in automobile industries, each varying in three levels. The response characteristics …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 18–25 Read article
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A Review Study of Steady State Thermal Analysis of Piston by Finite Element Method (FEM)
Abstract: This study explains with the previous literature survey that indicates about the inner combustion engine constituents like piston. The piston transports the energy of the burnt gasses from mechanical energy. The piston translates inside the cylinder liner or sleeve. The present effort is to study about the design of piston petrol engine. Computer aided engineering apparatus allows engineers to improve product and to pretend these designs for residual stress, structural …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 4, Issue 1, 2018 · pp. 34–39 Read article