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102 articles for “vibration”
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OPTIMIZING MAGNETIC BEHAVIOR OF NANO-CRYSTALLINE CO2CrAl TYPE HEUSLER ALLOY POWDER USING RESPONSE SURFACE METHODOLOGY
Abstract: In the present work, Co2CrAl heusler alloy powder prepared successfully from premix basic powders of Cobalt (Co), Chromium (Cr) and Aluminium (Al) in stoichiometric of 60Co-26Cr-14Al (weight %) by novelistic mechano-chemical route. Mgnetic properties of mechanically alloyed powders were characterized by vibrating sample magnetometer (VSM). The performed experiment has been designed on the basis of 2 factor 5 level response surface methodology. Experimental results were used to develop a mathematical …
Published in International Journal of Energetic Materials · Vol. 6, Issue 1, 2020 · pp. 7–13 Read article
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Study of Isotropic Property
Abstract: This article is constitutive from as forged as well compounded form. Isotropy is uniformity in various orientations. Isotropy is composed of Greek isos meant by equal and tropos meant by way. Precise definable consequence is subjective to depend on material property i.e., same when tested in different directions. A common example of isotropy is inclusive as of glass, plastics, and metals. Alter subject area is studied as inequality, given by …
Published in International Journal of Energetic Materials · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
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Root Cause Analysis and Maintenance in Mechanical Systems
Abstract: Due to lots of noise and failures in transmission system, for maintaining the status of products and services provided by any organisation it is very much necessary to improve the failure parts. The mechanism that transmits the power developed by engine of automobile to the engine to the driving wheel is called the Transmission System and it includes Clutch System, Gear Transmission System and Differential system. In the present work …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 1, 2019 · pp. 26–29 Read article
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Mechanical properties of Al-Si17Cu3.5Mg0.8 alloy fabricated by stir casting with UV and new CRSS casting process with and without T6 condition
Abstract: Aluminum-Silicon metal matrix composites are the popular materials in the vast majority of the car and modern industries on account of their low weight, high mechanical properties, and incredible wear opposition properties. In the present study, Al-Si17Cu3.5Mg0.8 alloy is fabricated by two casting processes such as stir casting with ultrasonic vibrations (RSC) and merged-rheo-stir-squeeze (CRSS) casting with and without heat treated (T6) condition. Microstructural and material characterization was explored by …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 1, 2020 · pp. 15–24 Read article
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Modern Material Concept to Produce Low-Loss Non- Oriented Electric Alloys
Abstract: The production of energy-efficient materials is an essential aspect of modern society, with efforts focused on reducing energy loss and conserving resources. A key element in the creation of energy-efficient electrical equipment, such as transformers, generators, and motors, is low-loss non-oriented electrical steel. In this regard, material design is a promising approach to improve the properties of non-oriented electrical steel. This paper presents an overview of material design for low-loss …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 37–42 Read article
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Chemometrics Analysis based on Infrared Spectroscopy of Emu Oil Obtained by Different Solventless Methods
Abstract: The multivariate analysis technique principal components regression (PCR) was used as a method of discrimination of the information obtained in the infrared spectra with the AssureID and Spectrum QUANT+ Software, to predict structural changes in emu oil extracted by solventless methods. A set of 20 spectra per sample for each extraction method was used, incorporating the spectral information in the calibration of the chemometric analysis. Variations in the spectra were …
Published in International journal of Nanobiotechnology · Vol. 8, Issue 2, 2022 · pp. 31–37 Read article
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Study the properties of spin-coated Co-doped ZnO (CZO) thin Film
Abstract: Co doped ZnO (COZ) nanoparticles were prepared by spray pyrolysis technique followed by annealing at three different temperatures. XRD, UV- Vis spectroscopy, Photoluminescence (PL) studies, Scanning electron microscopy (SE), and vibrating sample magnetometry (VSM) studies were made to analyze the structural, optical and magnetic properties. XRD pattern confirmed the improved crystallinity after annealing and the formation of hematite phase. A UV-visible spectrum indicates that the nanoparticles exhibit the blue shifting …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 26–35 Read article
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Synthesis and Characterization of Cesium Intercalated Graphene Thin Film
Abstract: Graphene Oxide (GO) becomes promising two-Dimensional (2D) material in optoelectronics due to its sparkling properties. In preparation step we used Carboxylation of graphene and vacuum filtration to create the free standing thin film of cesium (Cs) intercalated GO. In this work we have synthesized cesium (Cs) intercalated GO thin films at different concentration (0.03, 0.05, 0.1 mol %) by using vacuum filtration method. The functional group present in synthesized thin …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 8–16 Read article
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Synthesis and Characterization of Nickel Doped BFO Nanoparticles
Abstract: In the present, work we have synthesized the pure and Nickle doped bismuth ferrite at different concentration by the chemical route method. Increasing in the doping concentration leads to generation of secondary phase, thus dopant concentration is maintained to 5mol%. XRD was used to confirm the phases transformation of nanocrystalline composite materials along with measurement of the crystallite size. Scanning electronic microscopy (SEM) was used to study the morphological properties …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 17–29 Read article
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Review of Piezoelecric Energy Harvesting Through Footsteps
Abstract: In this modern world, growth of technology is highly increased and the human population. So, we have planned to connect these two things to harvest electrical power which is the ultimate source of all those technologies. This paper presents a literature review of generating power by using piezoelectric materials which converts human’s footsteps into electrical energy. Many smart materials are used to generate power from many sources. In those, piezoelectric …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 1, 2022 · pp. 14–18 Read article
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The uniform fully dense ceramics processing
Abstract: Primary task in the process of advanced ceramics production is ceramic mixture with the uniform distribution of the densities of the components of this mixture. One of the stages of the process of advanced ceramics production the mixing is main instrument for the solution of this task. The existing methods of mixing do not permit in the sufficient form to produce uniform fully dense ceramics. This paper represents the application …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 30–35 Read article
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Calculate the natural frequencies with Cracked for Hybrid Unidirectional Composite Plate
Abstract: A mathematical model was built by using ANSYS (2D, 3D) models and MATLAB to represent composite materials. The natural frequencies were calculated for type of composite plates with of boundary conditions clamped from each edge (CCCC). In the vibration analysis, the finite element and MATLAB results showed there was an increase in the first, second and third natural frequencies by increasing the volumetric fraction of the fiber.In the cracked plate, …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 1, 2020 · pp. 5–16 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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Stress Intensity Factor in Artificially Damaged Structures
Abstract: The presence of cracks in macrostructures creates heterogeneity which manifests itself by a change of the state of stress and strain in the structure. A crack in vibrating structures can lead to premature failure if it is not detected in time. Researchers have been working on the dynamics of cracked structures for decades to be able to monitor the structure and diagnose that fault at the earliest possible stage. In …
Published in International Journal of Mechanics and Design · Vol. 3, Issue 1, 2017 · pp. 18–20 Read article
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A Comprehensive Study of Fault Diagnostics of Roller Bearings Using Continuous Wavelet Transform
Abstract: One of the prominent causes of breakdown of rotating machinery, bearing failure, proves to be costly to the industry. Unexpected machine stoppage disrupts production schedule and maintenance strategies. Therefore, condition monitoring has become a very important research field in recent years. It can be used to avoid unexpected failures of critical systems. Bearing fault diagnostics using vibration signals has proven to be very effective. This paper deals with the fault …
Published in International Journal of Manufacturing and Materials Processing · Vol. 2, Issue 2, 2016 · pp. 36–55 Read article
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Design and Development of Vacuum Clamping Device for Nirlep Appliances Pvt. Ltd.
Abstract: Nirlep Appliances Pvt. Ltd. Presently uses a three jaw holding device to hold pan, cooker etc. for various operations like heat treatment, painting, internal and external coating etc. When these operations are going on, problems such as improper coloring, vibrations, time for adjusting fixtures, etc. arises. Because of the three jaw holding device, the utensil does not fit symmetrically on device sometimes and the coloring or coating operation is not …
Published in International Journal of Manufacturing and Materials Processing · Vol. 7, Issue 2, 2021 · pp. 11–16 Read article
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Fabricating and Testing an Inline Twin-Cylinder Engine: Experimental Study
Abstract: The usage of lightweight and cost-efficient engine is trending in our market now. Here this project introduces a hand-built SI twin cylinder engine. It is the smallest and compact twin cylinder under 200cc displacement. 270-degree crankshaft configuration is used in this engine for optimum power delivery and reduced vibration. This engine uses dual fuel for power (DUAL FUEL). It is an alternative to market available high-performance engines that use petrol …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 9, Issue 2, 2023 · pp. 52–64 Read article
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Rolling Element Bearing Diagnosis Using Machinery Fault Simulator
Abstract: The paper presents the diagnosis strategy for the rolling element bearing system used in machinery fault simulator (MFS). The concept is generic and it is applicable for most of the system involving bearing sub-system. The MFS details and its various maintenance strategies described. The monitoring of the rolling element bearing (REB), done with the accelerometer sensors. Acquisition of data from the sensor analog voltage to the CPU in digital format …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 1, 2016 · pp. 01–22 Read article
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Experimental Test Results on the Effect of Ultrasonic Waves on Defects in Car Bearings: The Effect of Defect Size
Abstract: To check for defects in car bearings, they are identified and measured by sound waves that are affected by the defect. Based on sound, it is called ultrasound technology because it uses high frequencies. High frequencies are the basis of ultrasound. Two features are useful for low-speed cars, which by definition usually have poor signal tolerance. High frequencies are sensitive to the effects of sound waves. In addition, the ultrasound …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 1, 2021 · pp. 14–21 Read article
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Plates, Shells and Their Composite Structures
Abstract: Review of the impact of large nonlinear deformations on plate and shell response. The approach ofmodelling discrete reinforcements and the smeared stiffeners technique suited to stringers with tightspacing are both presented in relation to the analysis of stiffened plates and shells. The behaviour andstrength of plates and shells are demonstrated to be affected by apertures and cut-outs, both locallythrough the localization of stress and globally through the effects on stiffness. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 8, Issue 1, 2022 · pp. 11–14 Read article