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540 articles for “AAS”
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Dissimilar Friction Stir Welding of Precipitation Hardening Aluminium Alloys AA2024-and AA7039
Abstract: In this research, dissimilar friction stir welding of precipitation hardening aluminium alloys AA2024 and AA7039 was performed with aim to study the evolution of microstructure in dissimilar joints. AA7039 plate was kept on advancing side, whereas AA2024 plate was placed on retreating side during friction stir welding. Weld joints exhibited features typical to dissimilar friction stir welding and exhibited solid state flow pattern beside different zones. Microstructure analysis confirmed mixing …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 45–50 Read article
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An Experimental Study on the Effect of Tensile Properties and Hardness of AA6082-T6 under the Heat Treatment Conditions
Abstract: AbstractIn the present study, the experiments were performed to investigate the effect of heat treatment parameters viz. soaking time and temperature on the tensile properties and hardness of Aluminium alloy (AA) 6082-T6 sheet. The sheet was heat treated and cut the standard tensile specimen ASTM E8M-04tofind out the tensile properties and hardness value at different temperature with respect to different soaking time. Air circulation oven type electric furnace was used …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 36–41 Read article
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Experimental Investigation of Combine Effect of Welding Speed, Tool Pin Profiles and Preheat Temperature on Mechanical Properties of Friction Stir Welded AA6061-T6 Joint based on Response Surface Methodology
Abstract: Two similar of dissimilar material can be joined by Friction stir welding (FSW) in solid state. Friction stir welded joint can be made by using non-consumable tool with rotary and transverse motion with intimate contact to material to be welded. These experimental investigations was carried out by taking different FSW parameters tool rotation speed, tool travel speed, tool pin profile and preheat temperature to find out its effect on mechanical …
Published in Trends in Machine design · Vol. 4, Issue 2, 2017 · pp. 15–24 Read article
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Prediction of temperatures and residual stresses during FSW of AA2024 and AA7075 with copper using HYPERWELD software
Abstract: This paper investigates the temperature at different workpiece and tool pin sections. In this investigation, various materials are utilized, for example, AA7050, AA2024, and Copper, for other process parameters. Tool rotational speed, tool tilt angle, and welding speed are process parameters. Thermal distribution results are examined with the assistance of these process parameters. Altair’s Hyper Weld, a preeminent computer-aided engineering (CAE) application for the simulation of friction stir welding, has …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 101–112 Read article
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Multi Objective Optimization of Aluminium (AA6061-SiC-Flyash) Metal Matrix Composites using TOPSIS Method
Abstract: Metal Matrix Composites (MMCs) have significant interest due to their superior mechanical properties, including improved strength, hardness, and fracture resistance. This study investigates the optimization of the mechanical and fracture behaviour of casted AA6061-SiC-Fly Ash (FA) MMCs using the TOPSIS method. Silicon carbide(SiC) and fly ash (FA) reinforcements, with different weight percentages of 5%, 10%, and 15% were fabricated through sand casting method. Total 10 combinations of composites are prepared …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 459–469 Read article
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Optimization of dry sliding wear behaviour of AA6061 (as cast) and AA6061 (HT) aluminium alloy using design of experiment approach
Abstract: The dry sliding wear behaviour of AA6061 (as cast) and AA6061 (HT) aluminium alloy has been optimized using Taguchi Orthogonal array design. Experiments were conducted to study the influence of various parameters like, load(N), sliding speed(m/sec) and sliding distance on the dry sliding wear behaviour of both AA6061(as cast) and AA6061(HT) aluminium alloy using L9 orthogonal array design. The experiments were carried out to determine the significant controlling parameter affecting …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 1–6 Read article
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Microstructural Characterisation and Analysis of Mechanical Behaviour of Hybrid AA 7075/7178 Fabricated Using Die Casting Technique
Abstract: AA are being increasingly used in the field of structural engineering owing to their desirable mechanical properties coupled with their recyclable and sustainable nature, thus contributing significantly towards reduction of carbon footprints and development of circular economy. Till date numerous research projects have been prompted to investigate the structural performance of aluminium alloy structures and develop alternatives with enhanced performance parameters. AA 7xxx (Al-Zn-Mg-Cu) are being widely used in variety …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 441–451 Read article
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A Study on Characterization of AA-AMPS-Pb Composite by Spectroscopic and Thermal Methods
Abstract: Spectroscopic and thermal properties of Acrylamide-acrylamide 2- methyl propane sulphonic acid (AA-AMPS) copolymer have been investigated by spectrophotometric, Fourier transform infrared (FTIR), differential scanning calorimetry (DSC) and scanning electron microscope (SEM) techniques. The UV absorption studies indicate the presence of lead nano particles and FTIR results suggest that complexation has been taken place between reactive groups of copolymer and lead ion. Due to the presence of lead nano particles thermal …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 1, 2018 · pp. 5–11 Read article
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Impact of Tool rotating speeds on the Mechanical characteristics of dissimilar friction stir-welded AZ80A-Mg – AA6061-Al joints
Abstract: In this investigation, separate AA6061-Al and AZ80A-Mg alloy plates were effectively joined through stir welding with friction. We looked closely at the weld joints' characteristics, especially their mechanical aspects. In the experiment, here were multiple tool rotating rates (rpm) of 800, 1000, 1200, 1400, and 1600 used. A cylindrical pin-equipped tool featuring a tapered profile was utilized, inserted into the AA6061 alloy plate is offset by 0.5 mm, while maintaining …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 161–168 Read article
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Parameters to Quantify Temperament of Organs (Mizaj-e-Aa‘za)
Abstract: Every single entity present on the face of the earth has been furnished with a property specific to its function that was termed as Temperament by the great Greek scholars and used synonymously with the Arabic word Mizaj. It is the key concept of Unani System of Medicine and all the principles related to human health, diseases afflicting them, and their treatment revolves around it. The human temperament has been …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 9, Issue 1, 2022 · pp. 1–5 Read article
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Multi-Response Optimization of Turning Parameters with Vikor-Entropy Method on Machining of AA6061-TiB2 In-Situ Composites
Abstract: In the manufacturing and metal cutting industries, the quality of the surface and strength is essential in defining the surface finish; an excellent surface finish indicates excellent quality in the product. The influence of machining parameters speed, feed and depth of cut on responses like material removal rate, surface roughness and Power consumption on turning of AA6061-TiB2 composites is investigated using the VIKOR-ENTROPY method. The effects of changing parameters on …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 256–268 Read article
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Investigation of Residual Stress, and corrosion behavior of AA6082/Al 2 O 3 /C/ Si 3 N 4 Composite Material
Abstract: The main objective of the current study was to create AA6082/ Al2O3/C/Si3N4 Composite Material by the use of stir casting. The properties of the AA6082/ Al2O3/C/ Si3N4 Composite Material shown a significant improvement, with a micro-hardness rise of 13.5% and a residual stress decrease of 60%. As the testing parameters were increased, the residual stress of the AA6082/ Al2O3/C/ Si3N4 Composite Material rapidly decreased from -65MPa to -15MPa. An electromagnetic …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1104–1109 Read article
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Experimental Investigations of Mechanical Properties of Friction Stir Welded Joints of Aluminium Alloys AA6063 and AA6082
Abstract: One of the advantages of friction stir welding process is its ability to join dissimilar metals and alloys. The objective of this study was to study the possibility of joining two dissimilar Al alloys, typically A6082 and A6083 using in FSW. In this experiment, joint properties of A6082 and 6063 were studied. Three parameters considered were tool rotation speed, welding speed, depth of cut with three levels; and nine runs …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 2, 2017 · pp. 45–52 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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Fabrication of AA5182-Semis for Precise Components
Abstract: Al4.5MgMn alloy is known to show an excellent physical and mechanical properties as well as manufacturing and fabrication ease as semis, suitable for making precise components like hull of the light weight vehicles and seamless tubes. Present work has tried to describe the development of microstructure and texture of an industrial tandem hot rolled Al4.5MgMn alloy sheet after laboratory cold rolling and annealing. Crystallographic orientation dependent strengthening rate has been …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 3, 2021 · pp. 21–32 Read article
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Effect of Welding Parameters on Microstructure and Mechanical Properties of Friction Stir Welded AA6061-T6 Joints
Abstract: Friction stir welding is a solid state joining process capable of joining similar and dissimilar materials, initially developed for joining of aluminium alloys. In the present work, the effect of friction stir welding parameters on the microstructure and mechanical properties of aluminium joints is studied. An attempt has been made to investigate the weldability of Al6061-T6 alloy using high speed steel tool in friction stir welding machine. Dye penetration test …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 10–16 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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Effect of Thermal Conditions on Microstructure and Mechanical Properties of AA5083 Processed by Equal Channel Angular Pressing
Abstract: A commercial AA5083 with an initial grain size of 210 μm was given an ultrafine-grained structure using the equal channel angular pressing (ECAP) technique under die design as patented. The identical sample underwent two successful passes through the die at 473 K, with each passage causing the sample to rotate 90° along its own longitudinal axis. After just one pressing, the microstructure was comparatively homogeneous. It was made up of …
Published in Journal of Experimental & Applied Mechanics · Vol. 17, Issue 1, 2026 · pp. 49–64 Read article
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Evaluation of microstructure properties and characterization of fracture locus of AA5083 through equal channel angular pressing techniques
Abstract: In this investigation, a commercially available aluminium alloy called AA5083 was subjected to two passes of equal channel angular pressing utilising a route B_C at room temperature for this experiment. To evaluate the effect of AA5083, the microstructure, mechanical attributes, and wear parameters of the alloy were examined both prior to and subsequent to undergoing this technique. Using an optical microscope, microstructural investigations were performed on the pressed alloy's flow …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 270–286 Read article
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Parametric optimization of COF of fabricated AA6082/Si3N4/C/Al2O3 composite
Abstract: In the present experimental investigation AA6082/Si3N4/C/Al2O3 composite was successfully fabri-cated using stir casting technique combined with electromagnetic stirrer for wear resistance applica-tions. The produced AA6082/Si3N4/C/Al2O3 composite exhibits improved tribological and me-chanical and properties, according to the experimental results. The generated composite has a micro-hardness range of 60 to 110 HV and an average UTS of 150 to 200 MPa. The tribological perfor-mance was evaluated using a pin on disc tribometer. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 144–152 Read article