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406 articles for “strains”
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An Assessment of Interfacial Chemistry and Character of Fiber/Polymer Microcomposites
Abstract: AbstractThe interfacial chemistry and character of hygrothermally treated E-glass/epoxy microcomposite have been investigated by Fourier transform infrared spectroscope (FTIR-imaging), temperature-modulated differential scanning calorimeter (TMDSC) and scanning electron microscope (SEM) techniques. The physico-chemical interactions occurring between absorbed water molecules and the network of a tetrafunctional epoxy resin were studied by FTIR-imaging. This is used to study the mechanistic details of epoxy curing on the molecular level. Absorbance peaks of OH stretching …
Published in Journal of Polymer & Composites · Vol. 1, Issue 1, 2013 · pp. 1–5 Read article
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Effect of Shock Waves on the Hardness of Graphene Reinforced Aluminium Composites
Abstract: The advantageous properties of Aluminium metal components have proved their suitability in the field of aerospace industry, naval, sports, and other structural applications. Its disadvantages like high wear rate, less hardness limits its application for some special applications. Graphene is an allotropic form of carbon which exhibits high tensile strength, better co-efficient of friction and an easily derivable material from the carbon which is abundantly available in nature. Reinforcement of …
Published in Journal of Polymer & Composites · Vol. 8, Issue 1, 2020 · pp. 32–38 Read article
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Bioconversion of butanol from waste paper
Abstract: Bio-butanol production from lignocellulosic biomass considered promising and Economically feasible. This paper provides an development of lignocellulose-based bio-butanol production with a focus on the understanding of the structure of the feedstock, pretreatment technologies, and fermentation processes. To enhance butanol production from lignocellulose materials, strategies in terms of inhibitors detoxification, strains improvement and process integration and optimization are also addressed. Besides, there researchers attempts to shed light on the challenges and …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 28–31 Read article
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Flexibility Analysis of Refinery Piping System
Abstract: Piping systems in downstream refineries and process plants experience a great thermal strain due to the difference between ambient and operating temperatures of process and utility fluid flowing through them. This thermal growth causes thermal stresses which leads to failure in piping components like flange leakage, deflection in piping, fractures at nozzle juncture and other fatal errors in piping system. Therefore, these piping structures must be flexible enough to support …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 53–59 Read article
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Effect of Number of Sheets on the Performance of Bullet Proof Jackets
Abstract: In the present work effect of number of sheet for the same sheet thickness is conducted. Steel and aluminium alloy are used as a sheet material. The study is conducted using a finite element software ANSYS. Student version is used for the present work. Dimension of the sheet and bullet are taken from the literature. Parameter like velocity is also taken from the literature and value considered in the present …
Published in Journal of Production Research & Management · Vol. 8, Issue 2, 2018 · pp. 14–19 Read article
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Ergonomic Risk Analysis Using Various Ergonomic Assessment Tools to Reduce the Risk of Musculoskeletal Disorders (Msds): A Case Study in Construction Industry
Abstract: As construction workers are often exposed to ergonomic risks, an accurate ergonomic risk analysis for job design is necessary to mitigate risks and consequently improve productivity. Ergonomic risks, which include musculoskeletal disorders (MSDs), cumulative trauma disorders, repetitive strain injuries, and repetitive motion injuries, are a major cause of occupational illness. The purpose of this paper is to identify the actual and potential hazards associated with Plastic mortar preparation, metal cutting, …
Published in Journal of Production Research & Management · Vol. 13, Issue 2, 2023 · pp. 33–63 Read article
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Emerging Trends in Applications of Semiconductor Alloys in Wireless Communications
Abstract: AbstractArsenide semiconductor alloys provide a natural means of tuning the magnitude of the forbidden gap and other material parameters so as to optimise and widen the application of semiconductor devices. With the advent of small-structure systems, for instance quantum wells and superlattices, the special effects of alloy composition, size, device geometry, doping and controlled lattice strain can be collective to accomplish maximum tunability. In this article, the concepts and ideas …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 1, 2016 · pp. 31–41 Read article
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Nanowire Photodetectors and Applications: A Review Study
Abstract: The utilization of nanowires and nanowire structures as photodetectors is an arising research subject. Novel gadget structures incorporated in single nanowire gadgets are additionally being effectively contemplated and created. Here, general NW-PD ideas are investigated, along with a point-by-point depiction of the actual phenomenon happening in nanowire photoconductors & phototransistors. Low dimensional frameworks like nanotubes and nanowires have intriguing, and technologically valuable, optical and electrical properties. Studies on these frameworks …
Published in Journal of Semiconductor Devices and Circuits · Vol. 10, Issue 2, 2024 · pp. 15–19 Read article
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Strength Evaluation of Uniaxial Loaded Rectangular Confined RC Column under Static Load
Abstract: AbstractIS 456:2000 provides the guideline for RC column design and IS 13920:2016 provides the guideline for ductile design and detailing of RC columns to be provided in buildings to be constructed in seismic zones. The confining steel is provided to achieve the desired ductility in RC columns. The constitutive law under monotonic axial compression is proposed by researchers for confined concrete. It gives larger stress and strain values compared to …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 3, 2017 · pp. 7–12 Read article
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Effect on tunnel under varied pile loading using finite element analysis
Abstract: Use of underground space is increasing in densely populated cities. Underground excavation required extensive analysis for ground stability and to ensure the performance of a structure. Specific concerns arise during the design of the underground structures, such as the impact of excavation on nearby ground and existing building in the vicinity of excavation. Above ground structures may subject to disturbances due to any underground construction activity. This paper identifies the …
Published in Journal of Structural Engineering and Management · Vol. 9, Issue 2, 2022 · pp. 32–43 Read article
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Effects of Rice Husk Waste on Mechanical Properties of Rubber-Based Speed Bumps
Abstract: In this work, rice husk used as filler has been added to a rubber batch which is used in the manufacturing of rubber speed bumps. The prepared batch was consisted of the reclaim as by-product or as undesirable material. The work completed in one of Iraqi manufacturing of tires. The mechanical properties of the new compositions have been measured for different loadings in the matrix in order to prove the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 3, 2020 · pp. 1–8 Read article
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Thin-in-slab-in-caster to Pursue Heat-in-treat
Abstract: This paper is to resolve the latest scenario in slab caster to suggest fabrication of slab after integrating as well successive next add an addendum formation to end production. Direct thin section produced from existing heat in cast thin slab has been utilized by successive roll reduction and also heat treatment. Endless strip processing (ESP) has linked continuous thin down formation to subject modification of microstructure from as cast to …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 1, 2021 · pp. 30–37 Read article
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Performance Analysis and study of losses in GaAs Multi Junction Solar cells using Current and Voltage Measurements
Abstract: Cross section coordinated, triple-intersection sunlight based cells with strain repaid quantum spots (QDs) in the GaAs center cell were developed by Metal-Organic Chemical Vapor Deposition (MOCVD). Structures with various quantities of QD layers are contrasted with gauge structures with no QDs. Quantum proficiency and light I-V estimations show an expansion in hamper thickness and debasement of the open circuit voltage for QD sun powered cells. The QDs don't work on …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 1, 2022 · pp. 1–7 Read article
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Liquefaction Behavior of Clean Sand for Various Sample Sizes Using Triaxial Tests
Abstract: A total of 54 isotropically consolidated un-drained triaxial compression tests on various sample sizes were conducted to study the effect of sample size on liquefaction behavior of clean sand. Specimens were prepared using moist placement and dry deposition methods with different initial relative densities and tested for different confining pressures. It was observed that as the sample size increases, deviator stress also increases. Peak value of deviator stress increased as …
Published in Recent Trends in Civil Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 22–29 Read article
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Estimation of Burger Model Parameters by Inverse Analysis of Oedometer Data
Abstract: Contrary to the forward analysis, inverse analysis can be effectively utilized to determine the parameters of a constitutive model commonly used to represent the stress-strain-time behavior or the load-deformation-time behavior of the soil. This paper reports the development of a generalized inverse analysis formulation for the parameter estimation of four-parameter Burger model. The analysis is carried out by formulating the problem as that of mathematical programming in terms of identification …
Published in Recent Trends in Civil Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 37–54 Read article
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Design and Analysis of Water Distribution Network in Airoli City to Digha Village
Abstract: Water is a fundamental component expected for the food of life. Interest in drinking is expanding on a ceaseless premise with the related expanding populace. In India, the organic market of water is expanding and prevalent. Water dissemination network frameworks are intended to distribute water from a source in a sufficient amount, quality, and at good strain to every individual purchaser. The water circulation framework implies any mix of lines, …
Published in Recent Trends in Civil Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 45–54 Read article
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Novel MOSFET Based Pressure Sensor That Uses Combined Channel Piezoresistance and Gate Capacitance Effects
Abstract: The paper considers modeling and analysis of a square and circular diaphragm Suspended Gate MOSFET based pressure sensor using COMSOL Multiphysics. Two structures, one a square with an n-channel MOSFET at the center and the second a circle with a p-channel MOSFET at the edge of the diaphragm were simulated. The piezoresistance effect of the channel and capacitance variation due to the suspended gate have been exploited in designing the …
Published in Recent Trends in Sensor Research & Technology · Vol. 2, Issue 2, 2015 · pp. 30–39 Read article
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Challenges in the Field of Soft Robotics.
Abstract: One of the interesting topics in robotics research of recent years has been Soft Robotics. Theuse of unconventional materials in robotic systems is an idea that is revolutionizing roboticsand automation. Robotic systems are being designed so that they can mimic biologicalsystems. The detailed study of interactions between a physical system and the environment iscrucial in developing this technology. Novel robotic components are being designed using softmaterials but the complexity of …
Published in Trends in Electrical Engineering · Vol. 10, Issue 3, 2020 · pp. 46–52 Read article
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Finite Element Approach for Sheet Metal Forming and Springback: A Review
Abstract: The process by which the sheet metal blank is plastically deformed into a 3D shape by the application of external force without much change in thickness is the sheet metal forming process. The paper describes the mechanism of the sheet metal forming process. Numerical simulation of the metal forming processes has now gained the industrial importance, and it has made it possible to simulate the metal deformation and to calculate …
Published in Trends in Machine design · Vol. 5, Issue 1, 2018 · pp. 33–45 Read article
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Condition Monitoring of a Round Bar with a Defect Using Vibration Analysis
Abstract: As an energy-saving and high-efficient stress relieving process, vibratory stress relief [VSR] influence of on fatigue life is still explicit and needs further investigation. Standard specimens are manufactured to study the VSR effects on 2014 T6 aluminum alloy fatigue behavior. Dynamic stresses generated during vibration are measured by strain gauge and the residual stresses with and without VSR are compared to validate the stress relieving effects. Eventually, fatigue tests are …
Published in Trends in Machine design · Vol. 6, Issue 2, 2019 · pp. 5–7 Read article