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1967 articles for “Al 7075 + 7.5%SiC” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Enhancement of anticorrosion performance on aluminium substrate by novel nanocomposites of PANI/Bi2O3.CO.ZnO/CNT
Abstract: PANI/Bi2O3.CO.ZnO nanocomposites were prepared in presence of bismuth cobalt oxide nanoparticles at 25oC using ammonium persulphate as an oxidant in an in situ polymerisation with aqueous solution of camphor sulphonic acid (SDBS). These nanocomposites were characterized by XRD, FTIR, TEM, UV and SEM. The performance of PANI, PANI/Bi2O3.CO.ZnO nanocomposites and PANI/Bi2O3.CO.ZnO/CNT nanocomposites as anticorrosion protective coating on Al in 0.5 M HNO3 was studied by using potentiodynamic polymerisation technique and …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 31–41 Read article
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Improving Photocatalytic and Antibacterial Properties of Zein/Polyvinyl Alcohol Polymer Composite Film by Dispersing TiO2 Nano Particles
Abstract: Zein/polyvinyl alcohol/nano-TiO2 composite film was effectively blended using a solution casting method. Mechanical, photocatalytic, and antibacterial properties of the composite film were evaluated. The breaking elongation of the composite film increased up to the maximum loading of 0.4% of nano-TiO2. The humidity and moisture content relationship was estimated with standard modified models of Halsey, Oswin, Chung Pfost, and Henderson. It was found that the Halsey model was the most suitable …
Published in Journal of Polymer & Composites · Vol. 8, Issue 2, 2020 · pp. 110–127 Read article
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Development of a predictive model for determining mechanical properties of nano Al2O3 reinforced adhesive bonded SS304 single lap joint
Abstract: In this study, single lap joints were prepared by adding nano-additives (Al2O3) in the quantity of 3 wt % in the phenolic resin, and the overlap length was varied to observe the effect on joint engineering properties. In the experiments, a single component system of a specific grade of phenolic resin was used as a binder, and aluminum (AA8011), as well as stainless steel (SS304), was used as adherends. The …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. 20–28 Read article
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Synthesis and Characterization of Polyvinyl alcohol film incorporated with Tridax procumbens leaf extract
Abstract: Active film materials are prepared by incorporation of natural antimicrobial and antioxidant agents. These materials have attracted growing interest in wound dressing and food packaging process. In this study, active films were developed by incorporation of Tridax procumbens (T. procumbens) leaf extract into Polyvinyl Alcohol (PVA) matrix. T. procumbens leaves have been accounted for their biomedical and nutritional properties. The impact of T. procumbens leaf extract on the physical, mechanical …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 40–51 Read article
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Optimization of Resin 3D Printing Process Parameters for Enhanced Dimensional Accuracy and Surface Roughness Using Hybrid Algorithm
Abstract: The advent of 3D printable dental resin has paved the way for minimally invasive dentistry, which helps to retain healthy tooth structure while yet producing pleasing aesthetic outcomes. However, printing these dental resins is being researched to improve their durability and therapeutic efficacy. Frontiers in dental restoration research can aim to fabricate occlusal appliances using resins with optimized parameters for enhanced functionalities. The present study aims to analyze the dimensional …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 26–37 Read article
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Influence of SiO2 Nanoparticles on the Structural, Morphological, and Optical Properties of CsPbBr3 Quantum Dots
Abstract: This work mainly investigates the structural and optical property differences between CsPbBr3/SiO2 quantum dots (QDs) and CsPbBr3 QDs thin films deposited on fluorine-doped tin oxide (FTO) glass. X-ray diffraction of CsPbBr3/SiO2 QD thin film showed a polycrystalline cubic nanostructure with (200) as a dominant phase and did not show any peak of SiO2. Scanning and transmission electron microscopy images show that it is very small spherical or semi-spherical particles with …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 62–69 Read article
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Speed Control of A Doubly Fed Induction Motor using Integral Plus Proportional Controller
Abstract: Conventionally, the speed control manipulate of Doubly-Fed Induction Motor (DFIM) has been developed primarily which is based on traditional Proportional-Plus-Integral (PI) controller due to its simple construction and implementation. The steady-state error minimization, overshoot removal and disturbance rejection are not possible in which the benefits of PI controller are chosen through trial and errors approach. The steady-state error and disturbance rejection may be viable, if the benefits of Proportional-Plus-Integral controller …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 38–46 Read article
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Optimal Placement and Location of Phasor Measurement Unit Considering Bus Voltage Using Genetic Algorithm
Abstract: This paper presents a procedure by which new PMU locations can be symmetrically determined in order to render an observable system. Monitoring and supervision of power systems are provided by the control centre, whose role is the design, coordination and network management. In this paper, an attempt has been made to control technique based on the implantation of measurement units at the network buses. A proposed methodology makes the system …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 74–84 Read article
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Comparative Analysis of Artificial Intelligence-based MPPT Algorithms for Wind Energy System
Abstract: By extracting maximum possible power from a wind generator system, the efficiency of the system can be increased. Radial basis function (RBF), feed forward back propagation (FFBP) and adaptive neuro-fuzzy inference system (ANFIS) are recognized as the universal estimators. This paper presents a single network based maximum power point tracking (MPPT) of a wind turbine system using these algorithms. The single network based maximum power extraction method is simple and …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 3, 2020 · pp. 7–18 Read article
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Internal and External Factors Impacting Construction Labour Productivity for Glazing of Doors and Windows
Abstract: The efficiency of glazing installation during building construction is impacted by internal and external factors, which affect labour productivity. External factors are exogenous to the construction sites but have an overarching influence on the productivity of site operations, while internal factors emanate from the construction firms and their site operations. This study examines the internal and external factors impacting construction labour productivity for the glazing of doors and windows, using …
Published in Journal of Production Research & Management · Vol. 13, Issue 2, 2023 · pp. 1–8 Read article
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Perceptions of Material Management/Production Practices as Measures of Financial Planning and CostControl on Construction Sites
Abstract: Financial planning and cost control on construction projects are necessary to avert cost overruns, ensuring that the final cost does not exceed the projected capital outlay. Material management and production practices constitute financial planning and cost control measures that are mandatory to increase the profit margin of construction firms. This is against the backdrop of the likely resource commitment made by construction firms in obtaining project finance to purchase materials. …
Published in Journal of Production Research & Management · Vol. 13, Issue 2, 2023 · pp. 64–71 Read article
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Semi-Elliptical Load Thick Beam Analysis Using 5th Order Shear Deformation Theory
Abstract: A 5th order shear deformation theory considering transverse shear deformation effect is presented for static flexure analysis of isotropic beams with built in ends. The considered displacement field accounts for non-linear variation of in-plane displacements as well as transverse displacement through the thickness of beam. The condition of zero transverse shear stresses on the top and bottom surface of beam is fulfilled. Governing equations and boundary conditions of the theory …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 3, 2020 · pp. 9–22 Read article
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Development of 100% Biodegradable Sanitary Napkin from Pineapple Leaf Fiber with Antimicrobial Properties
Abstract: The necessity for the development of 100% biodegradable sanitary napkin is increasing as the earth is moving towards safer, sustainable, and eco-friendly planet. As the number of patients with cervical cancer and other reproductive tract infections are increasing day by day, it is necessary to implant organic and hygienic products on day to day basis. This is a safe and sufficient approach. The development of completely natural biodegradable sanitary napkin …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 1, 2021 · pp. 16–21 Read article
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Reducing Of Misinformation InflunceIn Online Social Network Using Heuristic Greedy Algorithm
Abstract: Now a day we use social media to communicate and share the information throughout the world. Many of us depend on this social media now a days everything is available here, once we access the media, we lots of information about our search, there is chances of have misinformation also. The authenticity of information content is weakened, and all kinds of misinformation depend on social media to spread rapidly. Network …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 9, Issue 1, 2022 · pp. 24–30 Read article
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Optimization of Transmission System by adopting 765/800KV Ultra High Voltage Network and its Technical Configurations
Abstract: In the era of persistent capacity shortages, ever increasing demand scenario, increased market operation and formation of National grid, new challenges have arisen in operation and control of large integrated and interconnected power system in India. The paper chronologies development of interconnected system in India from the state of independent utilities of 1950s to the well developed present interconnected National Grid. High voltage has been attractive proposition for large power …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 9, Issue 1, 2022 · pp. 31–42 Read article
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Cogeneration of Fast Motion Estimation Processor and Algorithms Using Loss Less Compression
Abstract: Flexible and scalable motion estimation processor for the h.264 advanced video coding standard handling the processing requirements for high-definition video and suitable for Field-Programmable Gate Array (FPGA) implementation. The new motion estimation algorithm of kalman filter used to reduce the computational complexity. The eight custom instruction sets are used in the motion estimation. All processor instances are remaining binary compatible so recompilation process is not required. The motion estimation algorithm …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 2, 2013 · pp. 1–5 Read article
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Design of Single Bitline Novel 5T SRAM Cell to Reduce The Power Dissipation Using Cadence
Abstract: Fast growing field of IC technology is persistently demanding for low power consumption and efficient solution. Most of the available SRAM designs are based on standard 6T SRAM cell in addition to other circuit and transistors count. A novel 5T CMOS SRAM is presented in this paper, for simultaneously minimizing power consumption and an improving process speed. The presented unique 5T SRAM cell employs single bitline for read/write function. Implementation …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 1, 2016 · pp. 49–54 Read article
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Methodical Strategy for STATCOMs Optimal Placement to Enhance Voltage Stability Margin Considering Circular Optimization Algorithm
Abstract: This study analyses voltage stability in the presence of STATCOM, focusing on the relationship between Voltage stability collapse and power system voltage stability. STATCOM and its optimal allocation are anticipated to enhance the voltage stability of the power system. Circular optimization algorithm is used to identify optimum sizing of STATCOM to increase voltage profile of the system. Practical simulation results are verified on IEEE 30 bus system considering multiple STATCOMs …
Published in Journal of VLSI Design Tools and Technology · Vol. 11, Issue 2, 2021 · pp. 14–23 Read article
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Study on High Rise (G+32) Cluster Shaped Building Under Earthquake with the help of IS 1893, UBC-97 and ASCE 7-10 codal provisions
Abstract: Modern high-rises, in low seismicity areas, are designed to withstand lateral loads.While high rise buildings would suffer structural damage, the shaking produced by the earthquake is a long period of slow shaking.The stability and stiffness of any structure is the major issue of concern in any high-rise buildings.This research is related to comparison of high rise G+32 cluster shape building under Seismic area with the help of different country codes …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 24–33 Read article
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Stiffness of Concrete Flexural Members Increases on Use of Shape Memory Alloy Bars as Reinforcement
Abstract: This paper describes the properties of Shape Memory Alloys (SMAs) and its useful aspect towards utilization in civil engineering structures. The non-linear material behavior in terms of shape memory effect, superelasticity, martensite damping and variable stiffness is presented. The values of effective moment of inertia and cracking moment, of treated and controlled Reinforced Concrete (RC) beams were determined using ACI 318, AS 3600 and CEB-FIP model codes. Treated beams were …
Published in Recent Trends in Civil Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 124–138 Read article