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396 articles for “design and fabrication”
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Self-Powered Piezoelectric Nano-Polymer Networks with Embedded Wireless Nodes for Distributed IoT Sensor Platforms
Abstract: Self-powered sensing systems are emerging as a promising solution for next-generation distributed Internet of Things (IoT) platforms, where lightweight, flexible, and low-maintenance devices are required for continuous monitoring. In this work, a self-powered piezoelectric nano-polymer network based on poly-vinylidene fluoride (PVDF) reinforced with BaTiO₃ nanoparticles and multiwalled carbon nanotubes (MWCNTs) was developed for flexible wireless sensing applications. The composite was designed to combine mechanical flexibility, enhanced piezoelectric response, and real-time …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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A Comprehensive Review on Piezoelectric Composites for Energy Harvesting and Sensing
Abstract: The capacity of piezoelectric composites to transform mechanical energy into electrical energy and vice versa has drawn a lot of interest recently. This property makes them very appealing for use in energy harvesting and sensing applications. These materials combine the high piezoelectric performance of ceramics with the mechanical flexibility and processability of polymers or other matrices, enabling a wide range of practical uses in flexible electronics, wearable systems, and embedded …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 1, 2025 · pp. 19–24 Read article
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Nano Shield-EV: Graphene and CNT-Infused Polymer Composites for Advanced EMI Shielding in Electric Vehicles
Abstract: The rapid growth of electric vehicles (EVs) has intensified the need for lightweight, thermally stable, and mechanically robust electromagnetic interference (EMI) shielding materials to ensure the reliable performance of advanced electronic systems. Traditional metallic shields, though highly effective, increase vehicle weight and restrict design flexibility, thereby motivating the search for multifunctional polymer-based alternatives. In this study, NanoShield-EV introduces novel polymer nanocomposites fabricated via melt blending and compression molding, combining engineering-grade …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1036–1047 Read article
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Design and Implementation of Microstrip Line Fed Rectangular Patch Antenna
Abstract: AbstractThis paper presents a high-performance microstrip line fed rectangular patch antenna with resonance frequency of 2.75GHz. The antenna has been simulated using IE3D software as well as HFSS. The return loss of the patch antenna found to be 24dB through IE3D simulation tool. From the results obtained, it is clear that harmonics exists at 3.75GHz which successfully minimized by removing a part of microstrip conductor with dimensions in accordance to …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 1, 2020 · pp. 1–4 Read article
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Development of Bio-Based Smart Textiles with Temperature Adaptive and Self-Cleaning Properties
Abstract: This research explores the development of bio-based smart textiles that integrate both temperature-adaptive and self-cleaning properties, responding to the growing need for sustainable and functional innovations in the textile industry. Unlike conventional fabrics, smart textiles provide multifunctional responses to environmental stimuli such as heat, light, and moisture. The focus of this work is on combining renewable natural fibers, biodegradable polymers, and environmentally friendly additives to design textiles that are not …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 3, 2025 · pp. 1–7 Read article
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Evaluating Chassis Designs for Gesture-Driven Robots: A Study of Iron, Acrylic, and 3D Printed Solutions
Abstract: Gesture-driven robotic systems are becoming increasingly relevant in applications such as assistive technology, industrial automation, and interactive systems. The choice of chassis material plays a crucial role in determining the robot's mechanical strength, weight, and ease of fabrication. This study systematically evaluates three chassis materials—iron, acrylic, and 3D printed polymers—to determine their suitability for gesture-controlled robots. A standardized robotic configuration, including two rear motors, two front dummy axles, an L298N …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 686–692 Read article
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A Survey on Recent Approaches for Leakage Power Reduction in MOS Integrated Circuits
Abstract: Today the integrated circuit’s functionalities are increasing day by day with increase in the number of transistors in it. However, the scaling of the transistors, top increase its number, for the same area of an IC reduces its sub-threshold voltage with its increase in the leakage power consumption. Scaling at different scales (45, 60, 90 nm, etc.) leads to major losses, both at static and dynamic phases of the circuits. …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 2, 2014 · pp. 24–31 Read article
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Development of Biodegradable Stents from Polymeric Composites for Cardiovascular Applications
Abstract: Cardiovascular diseases are still one of the leading health complications in the world, and coronary artery disease remains one of the toughest ones to crack. The introduction of stent implantation in interventional cardiology is a breakthrough concept which helps to restore blood flow and maintain patency of the arteries. On the other hand, long-term results of bare-metal stents and drug-eluting stents indicate the presence of complications, such as in-stent restenosis, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 181–191 Read article
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Fabrication and Optimization of Process Parameters for Friction Stir Welding AA7075+10%wt.SiC Composite by Taugchi Method
Abstract: Aluminium alloy 7075 as matrix and silicon carbide (SiC) as reinforcement has been widely used in aircrafts and space industries because of high strength to weight ratio. Fusion welding of this Aluminium Metal Matrix Composite (MMC) will lead to many problems such as porosity, micro-fissuring and hot cracking. However, friction stir welding (FSW) can be used to weld this MMC without above mentioned defects. Objective of this investigation are fabrication …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 102–112 Read article
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Design, Analysis, and Testing of a Carbon Fibre-based Solid Rocket Motors
Abstract: The goal of the research is to simulate the outer shell of a rocket in order to fulfil mission criteria. Case failures can occur for a number of causes, including poor material selection, carelessness in the service conditions, inadequate non-destructive testing during crucial stages of production, and poor design and analysis. For this reason, it is crucial to simulate rockets with precise design and analysis. The study entails the designing …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 650–669 Read article
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Android Voting System Using Face Recognition
Abstract: This work investigates a novel authentication approach for online voting systems that includes facial recognition verification. The goal is to create an automated voting system that increases election security and voter convenience. Voters prefer to cast their ballots in designated areas, such as polling booths, resulting in long lines and the majority of people missing out on the chance to vote. Ineligible voters may potentially fabricate their ballots, generating a …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 2, Issue 1, 2024 · pp. 15–20 Read article
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Custom-Made Temporomandibular Joint Replacement Design Process
Abstract: AbstractTemporomandibular joint (TMJ) is a joint of small dimensions composed by two components: condyle, the extremity of mandibular bone, and fossa, in the cranial bone. TMJ is one of the most used human joints, because it is used to talk, eat, and breathe, for example. For this reason, TMJ disorder can significantly impair patient's quality of life. So that, it becomes necessary to replace the natural joint with an alloplastic …
Published in Research and Reviews: A Journal of Dentistry · Vol. 13, Issue 3, 2022 · pp. 1–13 Read article
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The Integration of Machine Learning in VLSI IC Design
Abstract: It represents the first use of AI in the domain of integrating circuits, which has been impacted by it. The conventional VLSI design process that is now in use is replaced by this technology. The laborious manual concepts created by people have been replaced with automated design innovations. This development would trigger a profound change in the fields of AI education and hardware computation. With the introduction of contemporary chips, …
Published in Trends in Machine design · Vol. 11, Issue 2, 2024 · pp. 1–8 Read article
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Simulation And Analysis of Radio Frequency Energy Harvesting System Operating at 2.45 GHz Frequency
Abstract: — This paper proposed study of an RF energy harvesting system at 2.45 GHz using a rectifier and an antenna so called rectenna. Inset-fed micro-strip rectangular patch antenna array is fabricated. The rectifier circuit, employing Schottky diodes (HSMS-2850), converts AC power from the antenna to DC for RF detection. Analysis of the antenna's design and parameters such as directivity, return loss, gain, and VSWR is done using high-frequency simulator software …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 1, 2024 · pp. 7–15 Read article
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Exploring Robotic Arm Fabrication: An In-depth Review of Current Trends
Abstract: Robotic arms have emerged as indispensable tools across a myriad of industries, revolutionizing manufacturing processes, medical procedures, and even everyday tasks. This comprehensive review explores the recent advancements in robotic arm technology, focusing on key developments in design, control, sensing, and applications. The review begins by examining the evolution of robotic arm design, highlighting innovations in materials, actuators, and kinematic configurations that have enhanced the performance, versatility, and dexterity of …
Published in Journal of Control & Instrumentation · Vol. 15, Issue 3, 2024 · pp. 28–41 Read article
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Optimizing Vehicle Structures Using Functionally Graded Materials of Aluminum and Carbon Fiber Reinforced Polymer Composites
Abstract: This article investigates the optimization of vehicle structures through application of functionally graded materials (FGMs), specifically aluminium and carbon fibre reinforced polymer (CFRP) composites. Such materials, known as FGMs, are characterized by spatial variations in composition and structure designed to improve so-called performance attributes. For the purposes of this research, the material properties of aluminium and CFRP composites are taken to be randomly distributed in thickness direction of a FGM …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 478–489 Read article
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A Mini Review of Synthesis and Applications of Functionally Graded Materials
Abstract: Material composition or microstructure varies gradually along the thickness over a specific volume in functionally graded material (FGM) that results in spatial change in properties like thermal conductivity, strength, stiffness, electrical, magnetic, and light properties, etc. Application of the concept of FGM leads to a single product that has multiple properties in it as demanded by the operational or functional requirements of the product under service conditions. It also allows …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 54–65 Read article
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New trends in Radio Frequency design and making things smaller
Abstract: Recent improvements in wireless communication, the Internet of Things (IoT), and 5G/6G networks have made people want small, powerful radio frequency (RF) equipment. With an emphasis on how developments in materials engineering, circuit architecture, and packaging technologies are redefining RF system integration, this article offers a thorough evaluation of current developments in RF downsizing. System-on-Chip (SoC), System-in-Package (SiP), and Antenna-in-Package (AiP) ideas, which allow tightly integrated RF front-ends with enhanced …
Published in International Journal of Radio Frequency Innovations · Vol. 3, Issue 2, 2025 · pp. 28–34 Read article
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Exploring the Application of 5-axis CNC Machining for the Fabrication of an Impeller for Single Suction Centrifugal Pump
Abstract: This study delves into the practical application of 5-axis machining for the fabrication of an impeller for a single suction centrifugal pump. It explores the integration of CNC machining and CAD as a crucial aspect, highlighting the synergy between design and manufacturing. The efficiency and performance of the pump are greatly influenced by the impeller, an important part of pump design. Impellers made using traditional manufacturing techniques frequently have intricate …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 2, 2023 · pp. 9–19 Read article
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INVESTIGATION OF MICROSTRIP BANDPASS FILTER FOR S-BAND APPLICATION
Abstract: Abstract— Microstrip bandpass filter is presented in this paper for S-band application. The filter employs the microstrip line with port matching topology and plane ground to operate in S-band frequency range. CST Microwave Studio simulator is used for simulation and Rohde & Schwarz Vector Network Analyzer is used for measurement. Filter has size of 120 mm x20 mm and fabricated using low cost FR-4 substrate of 1.6 mm thickness and …
Published in Current Trends in Signal Processing · Vol. 8, Issue 1, 2018 · pp. 28–32 Read article