Search
530 articles for “fabrication”
-
Semiconductor Physics and Micron Scale Fluid Mechanics towards the Microelectromechanical Systems Associated with Nanotechnology
Abstract: Interrelations among semiconductor physics, microfluidics, nanofluidics and nanotechnology are briefly described. A single microchannel bend is designed and fabricated by author using the maskless lithography, hot embossing lithography and direct bonding. Dyed water is the selected and prepared working liquid in this work. Surface-driven (passive) capillary flow of working liquid is recorded in the fabricated microchannel bend using a CMOS camera. This work may be useful in applied chemistry.
Published in Research & Reviews : Journal of Physics Read article
-
Incorporating Sensors and Algorithms for Enhanced Go-Kart Driver Awareness and Navigation
Abstract: This study is motivated by the Go Kart Design Challenge (GKDC), wherein dedicated teams from the University collaboratively endeavored to bring to life a competitive go-kart. Serving as an invaluable learning platform for mechanical engineers, the project involved comprehensive engagement in go-kart design calculations, budget estimations, fabrication, qualification testing, and dynamic participation in competitions. This paper succinctly outlines the key phases of the project, encompassing the design process, fabrication intricacies, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 362–373 Read article
-
Formation, Characterization and Microscopic Study of Four- and Five-membered Ring
Abstract: Types of organic compounds are famous for many industrial and medical applications, including azo compounds, one of the largest groups involved in the manufacture of various organic compounds. For example, they are considered as initiators of free radicals in the polymerization reactions of alkenes used in the manufacture of plastics. Most of cyclic compounds have nano properties which make this type of compound important in organic field. It is also …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 1–15 Read article
-
Improving Polymer Composite Properties Through Reinforcement Learning Guided Prototyping A Novel Approach for Material Engineering
Abstract: Innovative approaches integrating reinforcement learning (RL) and machine learning (ML) into the fields of polymer composite prototyping and soft actuator manufacturing for applications. This new an algorithm utilizing RL optimizes polymer composite fabrication parameters to enhance material properties efficiently. By iteratively adjusting parameters based on predefined objectives, the RL agent guides the prototyping process, promising to revolutionize polymer composite engineering. A finest control method for locked loop control of Shape …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 208–218 Read article
-
Fluid-Structure Interaction Simulation of Parachute by Eulerian-Lagrangian penalty method
Abstract: In general, modeling and simulation of a model consisting of fluid and solid combinations has been considered difficult, and it has become impossible in terms of computer dependencies and accuracy to be analyzed by Fluent or other programs. The parachute evaluation process, which is historically based on a large amount of experimental data, necessitates many falling experiments. These tests can be costly and time-consuming, and they don't always allow for …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 2, 2024 · pp. 15–22 Read article
-
Design Optimization and Performance Analysis of Autonomous Drone Systems
Abstract: In recent years, drones have become indispensable tools across various industries, thanks to their versatility and wide-ranging applications. The fabrication of drones is a complex process that integrates multiple engineering disciplines, including mechanical design, electrical systems, aerodynamics, and software development. The meticulous design of the drone’s frame, taking into account factors such as weight, durability, and aerodynamic efficiency, marks the commencement of the fabrication process. The paper presented a comprehensive …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 3, 2024 · pp. 21–30 Read article
-
Novel Catalytic Strategies for Reducing Residual Stresses and Improving Surface Quality in Machined Ceramic Materials
Abstract: To prepare for material cutting and utilize utility-specific edges, it’s crucial to understand the inherent brittleness of ceramics. This brittleness limits the forming methods available and hinders achieving dimensional accuracy and precision through conventional machining techniques. The fabrication of composite materials is becoming increasingly significant, particularly in technical fields like the automotive industry, where they are used to manufacture engine connecting rods, propeller shafts, brake discs, and more. The machining …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 2, 2024 · pp. 01–07 Read article
-
Synthesis, Characterization and Antibacterial Evaluation of Novel Canola Oil-Based Poly-(Citrate/Succinate)-amide Incorporated with Zn (II) and Ni (II) Metal Ions
Abstract: This present research study is to fabricate efficient metal-incorporated Canola oil (CO) polymers synthesised using dicarboxylic acids – Citric acid (CA) and Succinic acid (SA). The research mainly highlights the fabrication of polymeric materials using CO via a safer chemical synthesis route with less toxic reactants and minimal solvent/diluent to accomplish sustainability, adopting the green chemistry principle. Divalent Zinc (Zn) and Nickel (Ni) were incorporated in the poly-(Citrate/Succinate)-amide matrix, Ni …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 45–69 Read article
-
Solid Rocket Motor Case: A Review of Existing Design and Composite Material Criteria
Abstract: Solid propulsion systems are an integral part of inaugural vehicles for many space agencies because of their relatively simple design and high reliability. The solid propulsion rocket motor case design, including the material used for fabrication, is an important aspect as it affects the solid rocket motor's performance, reliability, and safety. In this abstract, an attempt has been made to review the most commonly used materials in the manufacture of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 224–232 Read article
-
An Overview of New Coastal Research Vessel (N-CRV) Dry Dock and Construction
Abstract: A New Coastal Research Vessel (N-CRV) is a specialized ship designed for scientific research in fields like oceanography, geology, biology, and atmospheric studies, equipped with specific facilities and accommodations for sea missions. This paper discusses the coastal research ship dry-dock, construction, and design process, which involves three stages: concept, preliminary, and contract design. N-CRV must utilize scientific cruise, Exclusive Economic Zone (EEZ) survey, deployment, data collection, and seawater sample collection …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 3, 2024 · pp. 1–11 Read article
-
Wear Attribute of Aluminium Metal Matrix Composite Reinforced With MWCNT, Produced By FSP, On A Vertical Milling Machine
Abstract: The exceptional properties of Aluminium metal matrix composites (AMMCs) like good hardness, specific strength, enhanced wear rate made huge demand in the automobile and aerospace industries. The classical methods of manufacturing AMMCs leave problems at the interface of matrix and reinforcement segregation, like an agglomeration of reinforcements, wettability etc. To overcome this, an alternate, innovative method of fabricating aluminium matrix surface composites has been invented, which is termed friction stir …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 525–539 Read article
-
Investigation on Tensile Properties of Redwood PLA Using FDM Process
Abstract: Fused Deposition Modeling (FDM) is an additive manufacturing technique employed to construct comprehensive 3-dimensional models using a variety of materials, catering to diverse applications. This study explores the fabrication of REDWOOD polylactic acid using (FDM) additive manufacturing processes. REDWOOD PLA, recognized for its biodegradability and renewable sourcing, holds promise as an eco-friendly material for 3D printing applications. The research investigates the tensile properties of REDWOOD polylactic acid (PLA) fabricated through …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 668–673 Read article
-
Experimental and Numerical Studies on Radial Tensile Strength of Composite Rotor
Abstract: This paper describes the experimental and numerical studies on the radial tensile strength (RTS) of composite rotor. Carbon/epoxy composite rotors were fabricated using a filament winding process and their radial tensile strength was determined by diametric tensile testing of composite C-rings. The radial tensile strength of the composite rotor was measured as ~ 22 MPa and the failure was found to occur circumferentially symmetric about the horizontal plane of the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 985–996 Read article
-
Electronic Circuitry and Material Integration for Enhanced Gas Detection Windows
Abstract: Liquefied Petroleum Gas (LPG) and propane, being flammable mixtures of hydrocarbon gases, are widely used as fuel in various applications such as homes, hostels, and industries. Our main objective for this project is to design and fabricate a gas sensing window that will autonomously open upon detecting any leakage of gases like LPG, CO2, alcohol, propane, etc. The heart of our system is the MQ-9 gas sensor, known for its …
Published in Journal of Microelectronics and Solid State Devices · Vol. 11, Issue 3, 2024 · pp. 14–24 Read article
-
E-glass Fiber Epoxy Composites: Role of Al2O3/SiC Fillers in Physical, Flammability and Mechanical Characteristics
Abstract: This study investigates the effects of varying weight percentages of Silicon Carbide and Alumina particles in epoxy-based composites, fabricated through compression molding, on their physical and mechanical properties. Comparing different studies on carbon fiber-reinforced polymer (CFRP) composites, as well as glass fiber-reinforced polymer (GFRP) composites, especially with the reinforcement of nanoparticles such as silicon carbide (SiC), alumina (Al2O3) and graphene. The investigations cover fabrication methods, like vacuum infusion and compression …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 238–250 Read article
-
Synthesis and Characterization of Sustainable, Low-Cost, Biomass-Derived Carbon Films from Hevea Brasiliensis (Rubber) Wood for Environmentally Friendly Gas Sensors with Enhanced Selectivity and Sensitivity to Polar Vapors and Hazardous Gases
Abstract: Hevea brasiliensis (rubber) wood sawdust was utilized to fabricate carbon gas sensors for detecting 1000 ppm of ethanol, methanol, acetone, carbon dioxide, and ammonia gases. The carbon particles were prepared by phosphoric acid impregnation followed by thermal activation and then fabricated into films on conductive and non-conductive substrates using the doctor blade method. X-ray diffraction (XRD) analysis revealed distinct graphitic features with peaks at the (002) and (100) planes, indicating …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 22–36 Read article
-
A Comprehensive Review on Deposition Techniques for Functional Thin Films
Abstract: Thin films have become a critical element in the design and development of advanced functional materials because of their remarkable versatility, high efficiency, and ability to be easily integrated into a wide variety of devices. These films are used in a broad range of industries, from electronics to energy, owing to their ability to improve the performance of components by providing tailored electrical, optical, and mechanical properties. The deposition of …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 1–7 Read article
-
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
-
Review And Analysis of Application of Conductive Polymer Composites in Power-Efficient RF Circuits For 5G PAPR Reduction
Abstract: The need for low power RF circuits has gained more importance in the background of fifth-generation (5G) wireless communication systems, since the inherent PAPR characteristic of 5G signals—especially when using orthogonal frequency division multiplexing (OFDM) based techniques—becomes high. This high PAPR limits the efficiency of RF power amplifiers, increases power consumption, and induces thermal management challenges. In this context, conductive polymer composites (CPCs), based on advanced polymer matrices integrated with …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 111–125 Read article
-
Impact of Layer Height and Infill Line Orientation On 3D Printed Components Produced Via Additive Manufacturing
Abstract: Additive Manufacturing (AM) is an extrusion-based technique used to create objects by extruding semi-molten material through a nozzle of specific dimensions. Materials like acrylonitrile butadiene styrene (ABS), polylactic acid (PLA), polycarbonate (PC), and others are commonly employed in this process to manufacture industrial components. The mechanical properties of engineering component are critical for various industrial applications. This study investigates the impact of additive manufacturing on fabrication, considering different process parameters. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 315–323 Read article