Search
1981 articles for “composite Beta/MCM-41” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
Nothing matched all of your words, so these match any of them.
-
Advanced Ceramic Matrix Composites in Rocket Nozzle
Abstract: In earlier days rocket nozzles were made up of monolithic ceramics, zirconium, and nimonic alloys. Though the materials have the capability to withstand enough temperature, they have the drawbacks such as manufacturing cost & time, strength to weight ratio.In order to cut the manufacturing cost & time, the strength to weight ratio and also to improve the capability to withstand high temperature, a composite material—C/SiC—shows enough required properties in the …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 32–40 Read article
-
Study on Dielectric Properties of Nanostructured Composite of ZnO-La0.45Pr0.25Sr0.3MnO3 Bulk Ceramic
Abstract: In this study, nanostructured bulk composites of ZnO-La0.45Pr0.25Sr0.3MnO3 (LPSMO) were studied. These nanostructured composites were prepared by chemical solution technique. Nano particles of ZnO and LPSMO were mixed in weight ratio of 9:1 to prepare nanocomposite ceramic. Compared with pristine ZNO, nanocomposite of ZnO-LPSMO showed enhanced dielectric constant. The spin polarization (in ferromagnetic region) based quantum tunneling effect is used to explain the experimental results. Enhanced dielectric properties in nanocomposite …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 22–25 Read article
-
Tensile Behavior of Aluminum–Cenosphere Metal Matrix Composite by Stir-Casting Route
Abstract: Normal 0 false false false EN-US X-NONE X-NONE The invention of new materials widens the scope for usage in contemporary material science and their development; the properties of metal matrix composites (MMCs) can be modified to suit the application. The present investigation focuses on dispersing the cenosphere particles into aluminum alloy (AA6063) to produce the composite. The major constituents in cenosphere are refractory oxides like silica, alumina and iron oxide. …
Published in Trends in Mechanical Engineering & Technology · Vol. 2, Issue 2, 2012 · pp. 39–45 Read article
-
Influence of Cutting Speed and Tool Angles on Tool Forces in Turning of Steel Reinforced Polymer Composites
Abstract: Turning of steel fiber reinforced polymer composites is quite different compared to machining of conventional metals and alloys. Hence an experimental investigation on orthogonal turning was carried out in an effort to analyze the variation in cutting force and thrust force for different cutting speeds, depth of cuts and tool rake and relief angles using HSS tool. The cutting and thrust force values were found to be decreasing with the …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 22–27 Read article
-
Damping Analysis of Composite Drive Shaft using Computational methods
Abstract: Drive shaft used in automotive is a critical component which comes under the influence of different types of loads in operation. Torsional loading is one of the prime causes contributing to its failure. Most of the research on drive shaft was focused on evaluating natural frequency, torsional strength, buckling torque using analytical approach and also using FEM. This project work deals with the analysis of damping behavior of E-glass/epoxy composite …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 33–38 Read article
-
Studies on Cr (VI) Removal from Aqueous Solution using Al2O3 and ZnO Nanoparticles Composite
Abstract: Cr (VI) is a heavy metal and is considered to be toxic both to environment and human beings after a permissible limit. The removal of Cr (VI) using conventional methods was ineffective. With introduction of nanotechnology, the remediation of Cr (VI) has become more easy and effective. Nanoalumina has been an efficient adsorbent system for the adsorption of different heavy metals. It has an excellent adsorption capacity for metal ions …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 1, 2014 · pp. 39–45 Read article
-
Biochar-based nano-composite for the removal of dyes from the wastewater
Abstract: This research work focuses on recent applications of biochar’s nano composites, produced from biomass pyrolysis, in water and wastewater treatment. Pyrolysis of wood is the possible path for converting biomass to higher valuable products such as bio-oil, bio-char and bio-gas. This work focused on the formation, analysis of bio-char based nanocomposites which was obtained from the wood pyrolysis. A FT-IR technique was used for the determination of groups present in …
Published in Journal of Water Pollution & Purification Research · Vol. 5, Issue 1, 2018 · pp. 25–30 Read article
-
Polymer nano composites For Water Pollution Applications
Abstract: Insertion metal particles of nano size in to polymer matrices resulted scientific technical interest. Lot of research work is going on this areas. In the present studies the authors discus various factors effecting the polymer metal nano composites. An attempt has also been made on the work done by the authors. The composites are useful in removal heavy metal ions present in the water.
Published in Journal of Water Pollution & Purification Research · Vol. 5, Issue 3, 2018 · pp. 7–9 Read article
-
Buckling Strength of Metallic and Composite Plates with Small and Large Hole at Different Locations
Abstract: Most of the aircraft structures will experience a buckling phenomenon due to compressive loads. The cutouts like system small and large holes, lighting holes etc. are introduced in the aircraft structure at different locations for accessing aircraft inside and for passing electrical wires and ducts. The stress rises around these holes due to removing area in the panel and buckling phenomena will become further critical in aircraft structures. The cutouts …
Published in Journal of Aerospace Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 18–37 Read article
-
¬Study on Phenological, Qualitative and Quantitative Traits in Fodder Maize (Zea mays L.): Digestible Nutrients and Chemical Composition
Abstract: AbstractThe present study examined the effectiveness of maize fodder cultivated with three genotypes— V1 (AAIMS 1), V2 (AAIMS 2), and V3 (J1006) in fodder maize, obtained from complete randomized design in the Animal Nutrition Laboratory, SHIATS, Allahabad, India. The data were recorded on eight characters to study the per se performance of fodder quality traits of maize fodder. Analysis of variance revealed that there was considerable variation available for most …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 3, Issue 2, 2014 · pp. 24–29 Read article
-
Composition, Structure and Status of Woody Plants Along Dilla Zuria Rivers, Southern Ethiopia
Abstract: AbstractDilla zuria vegetation is located in Southern Ethiopia where agroforestry is highly exercised. The objective of the present study was to generate reliable information of floristic composition, diversity, structure and status of woody plant species in Dilla Zuria vegetation. The reliable data was collected from 50 plots each of 400 m2 using systematic sampling method. The plant species were identified by comparing with the voucher specimens preserved at National Herbarium, …
Published in Research & Reviews : Journal of Botany · Vol. 5, Issue 3, 2016 · pp. 1–15 Read article
-
Milk-Cereal-based Composite Complementary Foods and their Storage Stability: A Mini Review
Abstract: In developing countries, depending upon the socio-economic situation, the nutritional status of the people is enhanced by encouraging increased use of inexpensive and available protein sources in child feeding. Traditional infant-feeding practiced in countries like India, is usually cereal based. Cereals in combination with milk solids are generally used for the preparation of weaning foods to improve the overall quality. Milk-cereal based complementary food is defined as food obtained from …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 4, Issue 1, 2015 · pp. 1–9 Read article
-
Composition, Functional Properties and Application of Bottle Gourd in Food Products
Abstract: Bottle gourd has widespread use as a vegetable in India. It is very valuable for vegetarians since it contains several important constituents which are required for good health and wellbeing. Recently in India, interest in bottle gourd has been growing amongst consumers because consumption of bottle gourd has been associated with a number of benefits and may be regarded as a natural guard against diseases. In Ayurveda, bottle gourd is …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 4, Issue 1, 2015 · pp. 15–27 Read article
-
Improving Nutritional Value of Snack Made from Composite Flour of Sweet Potato, Soybean and Wheat Flour
Abstract: The research was designed on improving nutritional value of snack made from composite flour of sweet potato, soybean and wheat flour blends, and the sensory attributes of chinchin snack fortified with sweet potato and soybean flours. Various blends of sweet potato flour, and soybean flour with wheat flour at various levels of substitution were made at 20%, 25%, 30%, 50% and 100% using 100% wheat flour as control sample. Crude …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 7, Issue 2, 2018 · pp. 20–26 Read article
-
Determination of Fatty Acid Composition of Roasted African Palm Weevil Larvae (Rhycophorous phoenicis)
Abstract: AbstractThe study was demonstrated to evaluate the fatty acid composition of roasted African palm weevil larvae, and the degree of saturation. The result obtained shows that unsaturated fatty acid is dominant with the value of mono to polyunsaturated fatty acid rage between 20.17 and 58.37% respectively. However, the total saturated fatty acid evaluated was 20.83%. The study concludes that roasted African palm weevil larvae is a potential source of unsaturated …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 8, Issue 3, 2019 · pp. 1–4 Read article
-
Free Vibration of Cross-ply Composite Plates by a High-Order Shear Deformable Finite Element
Abstract: AbstractFree vibration analysis of composite rectangular plates with different thickness ratios, different boundary conditions and different aspect ratios has been investigated using a high-order shear flexible triangular plate element. The first order shear deformation theory (FOSDT) is used to include the effect of transverse shear deformation. The element has eighteen nodes on the sides and seven internal nodes. Element geometry is expressed in terms of three linear shape functions of …
Published in Research & Reviews : Journal of Physics · Vol. 5, Issue 3, 2016 · pp. 36–47 Read article
-
A Study on the Effect of Perlite Nanoclay in PVdF-co-HFP/Li-BETI Composite Eletrolytes by XRD AC Impedance and FTIR Studies
Abstract: In the present study, mica family of phyllosilicates, the perlite nanoclay (80–190 nm) effect as a filler in consonance with EC:DMC (1:1) v/v ratio on PVdF-co-HFP-Li-BETI matrix has been investigated by ac impedance, XRD and FT-IR vibrational spectroscopy. The ionic conductivity of the order of 10-7–10-4 Scm-1 has been observed at the minimum participation of clay platelets is noted than its huge presence the non-polar phase of the PVdF has …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 1, 2019 · pp. 58–72 Read article
-
An Approach on Optimization of Thermo Physical Properties of Teak Wood Dust Filled Polymeric Composites
Abstract: The aim of the present work was to prepare the specimens with the help of hand-lay-up technique to measure the thermal properties of TWDPC. The density & voids of TWDPC were measured to determine its physical property & significantly affected some of its mechanical properties. Taguchi experimental method was applied to optimize its thermal properties. The optimal factor combinations were determined with the help of ANOM & the analysis of …
Published in Journal of Polymer & Composites · Vol. 9, Issue 4, 2021 · pp. 67–80 Read article
-
DESIGN AND ANALYSIS OF A METAL LINED COMPOSITE OVERWRAPPED PRESSURE VESSEL
Abstract: This study presents a comprehensive investigation into the mechanical behavior of a metal lined composite overwrapped pressure vessel, designed for high-pressure storage applications. The design approach is dependent upon fiber material constants and dome shape factor. The study begins with obtaining dome coordinates and maintaining winding angles according to a geodesic path equation. Thickness estimation for the portion of cylindrical shell and domes are determined through netting analysis and cubic …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 215–232 Read article
-
Hydrothermal modification of carbon fiber fabrics by ZnO nanorods for mechanical strengthening of CFRP laminates
Abstract: Hexagonal ZnO nanorods were produced on plain woven carbon fiber using a two-step seed-assisted hydrothermal procedure. By varying the process parameters such as molar concentrations, number of seeding cycles, and growth duration at a controlled growth temperature of 90 °C, it is feasible to produce ZnO nanostructures with a range of morphologies, including nanowires, hexagonal nanorods, and nanoflowers. The developed morphologies were examined using field emission scanning electron microscopy and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 127–139 Read article