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23 articles for “grain size”
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Importance of Mathematical Modeling (Response Surface Methodology) in Equal Channel Angular Pressing
Abstract: Severe plastic deformation is a technique for producing a deformation. Equal channel angular pressing is one of the unique methods for producing high plastic deformation in Aluminum alloys due to its quality of having the same dimensions after processing. In present work, A die was designed on the basis of a mathematical model generated by RSM. Variation in die geometry and other conditions were represented in present work. ANOVA presented …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 46–54 Read article
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Friction Stir Processing & Aging on Fatigue Properties of Different Alloy: A Review
Abstract: The FSP process is a thermo mechanical processing techniques which is carried out by means of pin tool that will heat and mechanically deformed the material. FSP has been developed to produce UFG by applying compressive load with a suitable Tool. To enhance the mechanical properties like strength, fatigue, hardness as well as other properties like optical, electrical, magnetic the microstructure is that decides them. We refine grains by large …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 1, 2021 · pp. 1–8 Read article
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Blue Shift of Sol-gel Synthesized ZnO Nano-particles: Size Dependent Quantum Confinement Effect
Abstract: Zinc oxide nano-crystals with different size and shape were synthesized by sol-gel technique at 90°C. ZnO nano-particles show (100), (002), (101), (102), (110), and (103) crystalline orientation and strong band-edge emission at 408 nm. Grain size of ZnO nano-crystals varies from 4 nm to 20 nm due to variation of molar ratio of polyethylene glycol with zinc acetate during synthesis. ZnO nano-materials with grain size 4 nm and 8 nm …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 1, 2015 · pp. 8–15 Read article
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Investigating the Effects of Severe Plastic Deformation on Aluminium Alloy Properties: A Comparative Study
Abstract: Equal channel angular pressing is a metal forming process. It serves as a strengthening treatment through which ductile metals can be processed to refine their grain and subgrain structure. This process improves the mechanical performance of metals, including tensile strength, stress-controlled fatigue strength, and resistance to fatigue crack propagation. Equal channel angular pressing is one of the severe plastic deformation methods employed to produce ultrafine-grained materials. In this method, a …
Published in International Journal of Mechanics and Design · Vol. 12, Issue 1, 2026 · pp. 26–43 Read article
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Impact of Annealing on Structural and Surface Properties of Nanostructured ZnO Thin Films
Abstract: ZnO thin movies with various grain size were developed on undefined quartz substrate utilizing turn covering technique. We have announced the impact of toughening temperatures on the basic and surface properties of ZnO thin movies. The surface properties were described by AFM. From XRD investigation, it can be seen that the FWHM diminishes with an expansion in strengthening temperature from 500 to 575ºC which is reflected in the expansion in …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 1, 2017 · pp. 33–37 Read article
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Porous Silicon and its Nanoparticles: A Theoretical Study
Abstract: It is very simple and cost consuming technique of fabrication of porous silicon film over silicon substrate and synthesizing the porous silicon and silicon nanoparticles. The etch reactions in RIVPSE process forms the porous structures without need of complex and expensive equipments. The luminescent porous film can be fabricated using this sample technique with any cost effecting methods such as extra energy excitation like plasma or ultraviolet photon and additional …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 1, 2019 · pp. 14–18 Read article
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Influence of Rubber Particle Size on the Ductility and Energy Absorption of Structural Elements
Abstract: Abstract This research investigates how the rubber particle sizes influence the ductility and energy absorption of structural members made of RC. For this analysis, the different types of waste tire rubbers (with a grains size of 1–2 mm, 3–5 mm, and 6–10 mm) were partially replaced for fine aggre-gates. The compressive strengths, load-deflection behaviors, ductility ratios and energy dissipation properties are discussed by means of experimental mix design analysis and …
Published in International Journal of Structural Engineering and Analysis · Vol. 12, Issue 1, 2026 Read article
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2-D ELECTRICAL RESISTIVITY TECHNIQUE FOR GROUNDWATER EXPLORATION IN IKERE – EKITI, NIGERIA
Abstract: The electrical resistivity techniques become one of the most widely used geophysical survey methods. Electrical resistivity method has been applied to various fields like groundwater and subsurface resource exploration. In the past, electrical resistivity was used in engineering, environmental and archaeological purposes. Its reliability depends on the expert interpretation skills of geophysicist. Applicable technique in groundwater exploration like electrical resistivity method which complement with existing conventional method will produce comprehensive …
Published in International Journal of Energetic Materials · Vol. 5, Issue 1, 2019 · pp. 1–8 Read article
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A Review of Geophysical, Geochemical and Geotechnical Study of the Marine Soil of Mahakalapada With Special Allusion to Its Stratigraphic Set-up
Abstract: The present study deals with the marine soil properties collected from Mahakalapada of Kendrapara district in Odisha. Five numbers of saturated soil samples were collected from 2ʹ to 3ʹ below the earth surface and were mixed thoroughly to get the best result. The soil was initially air dried in open atmosphere prior to the testing. The various properties of each sample was calculated either in-situ or in the laboratory. The …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 16–23 Read article
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THE STUDY AND ANALYSIS OF IGNEOUS ROCKS
Abstract: A solid foundation in the geological sciences necessitates a thorough understanding of igneous petrology. Sedimentary and metamorphic counterparts, as well as intrusive (plutonic) and extrusive (volcanic) igneous rocks, derive from the inherent outcomes of the crystallization, cooling, and solidification of magma originating from the Earth's deepest realms. Bowen's reaction series elucidates the progression of mineral crystallization and cooling, delineating the variety of minerals formed based on the nature of the …
Published in International Journal of Agrochemistry · Vol. 9, Issue 1, 2023 · pp. 17–22 Read article
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Synthesis of Low Cost Artificial Sand From Fly ash and its Application as a Filter Material
Abstract: The usage of natural river sand is increasing vastly. Geopolymers are materials with three-dimensional alumina silicate structures that have a high mechanical strength and can be used as an alternative to Portland cement. The probability of using Natural river sand can also be replaced with geopolymer synthetic sand. There are many properties which may lead the scarcity of natural riversand they are Because of landslides, tsunamis and erosion. The GPSS …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 2, 2022 · pp. 15–24 Read article
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ENHANCEMENT OF MECHANICAL PROPERTIES OF ALLOY 61S BY REINFORCING NANO COMPOSITES
Abstract: During recent decades, a lot of interest had shown in the materials production with nano sized grains. Especially, the aluminum alloys and its composites are widely used for demanding structural applications due to combination of corrosion resistance, formability, weldability and, mechanical properties. The demand for toughness, higher strength and, strength and weight ratio of aluminum alloys for the structural application is ever growing owing to the increasing importance of achieving …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 2, 2019 · pp. 18–36 Read article
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An Extensive Overview of Al-Mg-Si Alloy’s Electrochemical Behavior
Abstract: This review emphasizes on the effects of microstructure and alloying components on the electrochemical behavior of Al-Mg-Si alloys used as sacrificial anodes. The presence of alloying elements hinders surface film formation on aluminum, while microstructural factors such as grain size distribution and precipitate volume fraction influence alloy properties. The Al-Mg-Si phase diagram and the presence of the Mg2Si phase are also discussed, highlighting the effects of Mg and Si solubility. …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 1–11 Read article
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Controlled Texture of Magnetron Sputtered Transparent Conducting ZnO: Al Films for Solar Cell Applications
Abstract: Textured transparent and conducting ZnO:Al films were prepared by rf-magnetron sputtering on glass substrate at a temperature 3500C under Ar and Ar+O2 gas ambient. ZnO:Al thin films shows a minimum electrical resistivity of (~8.210-4 Ω-cm), and high optical transmittance (T~86–90% average) in visible region. With increasing of oxygen concentration ZnO:Al films become more compact, stoichiometric and becomes more electrically resistive. ZnO:Al shows hexagonal wurtzite polycrystalline structure with strong (002) orientations. …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 2, 2015 · pp. 12–19 Read article
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Effect of Pulsed Current Micro Plasma Arc welding parameters on Mechanical properties AISI 304 and AISI 430 dissimilar weld joint
Abstract: In the present work, two dissimilar AISI 304 and AISI 430 sheets of 0.4mm thick welded using Micro Plasma Arc Welding. Welding input parameters like peak current, base current, pulse rate and pulse width are considered and output responses like fusion zone grain size, hardness and ultimate tensile strength of the welded joint are considered. 31 experiments are performed as per Central Composite Design (CCD) design matrix of Response Surface …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 1, 2019 · pp. 1–26 Read article
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Application of Response Surface Method in Studying the Properties of Micro-plasma Arc Welded AISI 904L Super Austenitic Steel
Abstract: Super austenitic steels play a major role in fabrication of corrosion resistance components which are subjected to severe corrosion. In the present work, super austenitic steel AISI 904L of 0.4 mm thickness is butt welded using Micro Plasma Arc Welding. Welding input parameters like peak current, base current, pulse rate and pulse width are considered and output responses like fusion zone grain size, hardness and ultimate tensile strength of the …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 2, 2019 · pp. 1–17 Read article
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Study of Mechanical Properties of Aluminum Nanocomposites using Auto Ignition Technique
Abstract: Al2O3 - high ZrO2 nanocomposite was synthesized by auto-ignition technique using metal nitrate and citric acid with a ratio of citrate: nitrate equal to 1:1.5. The precursor zirconium oxynitrite was derived from precipitation of zirconium oxycloride followed by dissolution of gel in nitric acid. The thermal decomposition behaviour of the gel was studied in order to study the decomposition behaviour and to determine the crystallization temperature. The effect of calcination …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 36–42 Read article
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Participatory Varietal Selection on Drought Tolerant Rice at Sundarbazar, Lamjung
Abstract: A Participatory Varietal Selection (PVS) trial was conducted in rainfed lowland at Sundarbazar, Lamjung with the objective to assess the performance of drought tolerant rice (DTR) genotypes on phenological, biometric, yield and yield attributing characters during rainy season 2017. The experiment was carried out in Randomized Complete Block Design with three replications and ten treatments consisting IR-14L635 (T1), IR-15L1043 (T2), IR-14L363 (T3), IR-15L1077 (T4), IR-14L613 (T5), IR-15L1091 (T6), IR-15L1018 (T7), …
Published in International Journal of Agrochemistry · Vol. 5, Issue 1, 2019 · pp. 41–52 Read article
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Studies on Batch Leaching of Excess Salt from Agricultural Soil
Abstract: This paper discusses about the experimentation on leaching of salt from agricultural soil. The leaching behavior of agricultural soil is studied for the recovery of salt. The main aim of leaching of salt from agricultural soil is to remove the salt from agricultural soil as the presence of salt in soil affects the soil fertility and causes 'structural breakdown' in grains. Hence this process is used to remove excess salts …
Published in International Journal of Agrochemistry · Vol. 6, Issue 1, 2020 · pp. 40–45 Read article
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A Review on Steel Metallurgy
Abstract: Steel is mostly manufactured in the manufacturing industries and it is nearly ninety percent due to its extremely higher strength and high toughness. This review paper discusses on the classification of steels, steel as a potential engineering material, mechanical properties and fabrication properties of steels. It also explains on its applications, low alloy steels groups and its properties. This review article also discusses on special steels like micro alloyed steels, …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 1, 2024 · pp. 1–6 Read article