Search
104 articles for “silicon”
-
Influence of Crystallization Time by Hydrothermal Synthesis of Ag NPs-Zeolite Composite
Abstract: Inorganic molecules undergo a chemical reaction that results in the production of a brand-new building material known as geopolymer concrete. Otherwise known as an inorganic aluminohydroxide polymer, geopolymer is made mostly from by-products like fly ash and geologically derived silicon (Si) and aluminium (Al). It is a superior building material for the future because of its great mechanical qualities, significant chemical resistance (attack by magnesium or sulphate), low shrinkage and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 46–51 Read article
-
Functionally Graded Natural Fibre and SiC-reinforced Polymer Composite: Mechanical Properties
Abstract: Multifunctional materials, also called functionally graded materials (FGMs), are based on natural fibres or fillers and vary in composition and/or microstructure to control functional, structural, or thermal, properties. Functionally graded materials (FGMs) have been created for use in spacecraft, aircraft, and other engineering applications because they can withstand extremely high temperatures. Particle-reinforced FGMs, which make up the majority of FGMs, are made differently depending on their position. The mechanical and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 1–14 Read article
-
Design and Implementation of Low Power and Area Efficient Sub Threshold Level Shifter Using 16 nm CMOS Technology
Abstract: An efficient method of modifying subthreshold voltages is proposed here. As an alternative to static power dissipation, the suggested design allows for charging of internal nodes through VDDH. The force of the pull-down mechanism may be increased by connecting a second auxiliary circuit. The transition energy for input frequencies between 1 and 5 MHz is 84 fJ, the propagation delay is 46 ns, the dynamic power dissipation is 0.3 mW, …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 1, Issue 1, 2023 · pp. 16–24 Read article
-
Performance Analysis of a Three-DOF Piezoelectric Vibration Energy Harvester
Abstract: Mechanical vibration energy can be transformed into electrical energy by a vibration energy harvester, which can then be stored in the battery for later use. It can convert vibrational motions like walking, leaping, running, etc. into pure renewable energy. This can turn previously squandered energy into energy that can be used to recharge wireless sensors and portable electronics. If these gadgets are used widely, they can produce a lot of …
Published in Journal of Polymer & Composites · Vol. 11, Issue 9, 2023 · pp. 10–18 Read article
-
Modeling of the Mechanism of Generating Processes of Water Electrolysis and Photosynthesis with Solar Energy Used for Productions of Gas Oxygen and Hydrogen, of Concentrate of the High-calorie Microalgae Chlorella, and for Industrial Wastewater Treatment
Abstract: The use of solar energy for generation of the process of water electrolysis, permitting the oxygen and hydrogen gases production, concentration of the high-calorie fast productive Chlorella microalgae, and industrial wastewater treatment is the most promising direction today. This is explained by the complete absence of electrical energy consumption for the implementation of these industrial technological projects. No less interesting is the process of photosynthesis of phytoplankton cells, which also …
Published in International Journal of Advance in Molecular Engineering · Vol. 1, Issue 1, 2023 · pp. 7–21 Read article
-
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
-
Experimental Investigations on Aluminium Composites Materials Using Stir Casting Process
Abstract: In physical operations, accoutrements in motorcars and aeronautical machine factors, aluminium and its alloys are extensively used. In this study an effort is made to ameliorate the properties of aluminium essence matrix compound (A356) for manufacturing of machine rudiments taking High Tensile strength, Hardness, Wear resistance and low coefficient of friction, aluminium alloy (A356) reinforced with aluminium oxide, graphite and silicon carbide. In the current work, A356 as base metal …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 302–323 Read article
-
Integration of Nanotechnology in Electric Vehical Technology: A Comprehensive Review
Abstract: The integration of nanotechnology in electric vehicles (EVs) heralds significant advancements in energy storage, efficiency, and overall vehicle performance. This paper explores the current state and future potential of nanotechnology applications in EVs, focusing on battery technology, lightweight materials, and energy conversion systems. In battery technology, nanostructured anodes and cathodes, such as silicon nanowires and lithium iron phosphate nanoparticles, enhance energy density and charging rates. Solid-state electrolytes with nanocomposite materials …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 1, 2024 · pp. 29–34 Read article
-
Phase Transformation of Manganese Steel: A Role of Alloying Elements
Abstract: Low alloyed steels that are both strong and ductile are the primary focus of new material concept work due to economic considerations. One key to making good use of these materials is applying the right heat and thermo mechanical treatments. Phase transitions can be influenced by using different alloying procedures. Microstructural evolution and mechanical characteristics were investigated in relation to varying manganese, silicon, and chromium levels. Developing high-strength flat rolled …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 15–20 Read article
-
Nanotechnology in Context of Environment and Industrial Development: A Review
Abstract: Climate change and sustainable development with context to environment has been one of the main concerns and challenges of 21st century. Industrialization and development go hand in hand, so we need to devise green synthetic routes so that our environment stays protected. In the past two decades, there has been significant advancement in the field of nanotechnology. Many cost-effective methods have been devised for large-scale production. Significant improvements have been …
Published in Journal of Industrial Safety Engineering · Vol. 11, Issue 2, 2024 · pp. 7–14 Read article
-
Fabrication and Experimental Investigation on Mechanical Properties of Quartz Particulate Reinforced Aluminium Composite
Abstract: Composites are processed by adding a reinforcement phase in a base metal. The base material is known as a matrix and the constituent that is added is called reinforcement. The matrix acts as a support while the reinforcements attach themselves in their respective positions which results in the synthesis of a material which has different mechanical and thermal properties compared to their raw materials. Since aluminium is used as a …
Published in Journal of Production Research & Management · Vol. 14, Issue 3, 2024 Read article
-
Optical Along with Magnetic Properties of Doped Nano-Structured Mos2 Nano-Films by Spin Coating
Abstract: The supernatant containing 2D nano-flakes of Molybdenum di-sulphide (MoS2) are synthesized and collected using wet chemical synthesis process. The dispersed MoS2 nano-flakes solution is having strong absorbance values at 627 nm and 690 nm conforming to an energy band gap BG of 1.79 eV and 1.98 eV. Thereafter, MoS2 thin films with and without magnetic doping (cobalt) are deposited on n type silicon by spin coating technique. These samples are …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 297–302 Read article
-
Mechanical Strength Prediction of Nano-Silica Concrete Composites Using Machine Learning Techniques
Abstract: Nano-silica, or nanosilica, refers to silicon dioxide nanoparticles, which are a kind of silica (SiO₂) with diameters that often fall below 100 nanometers. This nanomaterial has attracted considerable attention because of its distinctive characteristics and diverse array of uses, notably in augmenting the performance of materials such as concrete. The integration of nanoparticles with cementitious matrix in nano-silica concrete offers a viable approach to improving the mechanical characteristics and longevity …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 963–973 Read article
-
Exploring the Role of Thin Film Coatings in Solar Energy Harvesting
Abstract: With notable gains in efficiency, longevity, and affordability, thin film coatings have become a key technology in the field of solar energy harvesting. These coatings, typically composed of materials like titanium dioxide (TiO₂), cadmium telluride (CdTe), and amorphous silicon (a-Si), are applied to photovoltaic (PV) cells to enhance their ability to absorb and convert sunlight into electricity. This review article delves into the various types of thin film coatings used …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 2, 2024 · pp. 15–19 Read article
-
Significance of Composite Materials for Making Better Future Society
Abstract: Since in the beginning of human history, Materials had been started in use. We can't imagine our world without materials. In fact, Materials has taken centre position in many developed and developing countries. The materials that humans have chosen to use for engineering projects throughout history, including the Stone, Iron, and Silicon ages. However, in order to meet today's difficulties, new materials must be discovered and developed with the necessary …
Published in International Journal of Advance in Molecular Engineering · Vol. 1, Issue 2, 2023 · pp. 56–62 Read article
-
Enhancing The Mechanical Performance of Al6061/Graphite Composites Reinforced with Sic and Aluminium Oxide Processed by Stir Casting
Abstract: The study investigates the mechanical properties of aluminum alloy Al6061 reinforced with varying proportions of silicon carbide (SiC) (0 wt%, 4 wt%, 5 wt%, and 6 wt%) and aluminum oxide (Al₂O₃) (0 wt%, 4 wt%, 3 wt%, and 2 wt%), with a constant addition of 1 wt% graphite. The composites were fabricated using the stir casting process, an efficient and economical method for uniformly distributing ceramic reinforcements within the metal …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 66–74 Read article
-
Investigation of Mechanical Behaviour in Brake Shoe Liner by Using Composite and Nano Materials
Abstract: The mechanical performance of the brake shoe liners dictates the safety and efficiency of the vehicles; thus, brakes are very vital in ensuring controlled deceleration and stopping. In the past few decades, composites have significantly impacted the automotive industry through lighter, stronger, and sturdier alternatives to traditional materials improving overall performance. Nano additives are of key importance in such composites, improving not only the mechanical properties but, more significantly, the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 280–295 Read article
-
Modeling of ZnO Based Nano Sensor Device for Evaluating Electronic Interaction with NO2 Pollutant: Combining Multiphysics Simulation and DFT Study
Abstract: This study focuses on the designing and modeling of a sensor device employing zinc oxide (ZnO) nanowires (NWs), and the evaluation of the chemical response of the same in the presence of nitrogen dioxide (NO2), which is an acute harmful pollutant for human health and environment. Experimentally synthesized ZnO nanostructures were used as the basis for modeling of the ZnO NWs based sensor device along with a single ZnO NW, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 211–219 Read article
-
Fabrication and Analysis of Al 7075 Based Metal Matrix Composites - A Review
Abstract: Aluminium 7075 alloys are extensively used in aerospace, marine, aviation, and automotive industries due to their superior mechanical properties, high strength-to-weight ratio, and low density. However, to further enhance their performance, aluminium-7075 metal matrix composites (AMMCs) are developed by incorporating various reinforcements. This paper focuses on the influence of reinforcements on the mechanical, tribological, and corrosion behavior of AMMCs. The study examines fabrication techniques, particularly the stir casting method, which …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 1–12 Read article
-
Advancements In Al6061 Metal Matrix Composites: The Role of SiC, Al₂O₃, and Graphite Reinforcements in Enhancing Properties and Applications
Abstract: Al6061-based metal matrix composites (MMCs) reinforced with silicon carbide (SiC), graphite (Gr), and aluminum oxide (Al₂O₃) exhibit a unique combination of mechanical, thermal, and tribological properties, making them highly suitable for advanced engineering applications. SiC enhances hardness, wear resistance, and load-bearing capacity, while Al₂O₃ improves thermal stability and mechanical strength. Graphite provides self-lubricating properties, reduces friction, and lowers the composite's density, improving fatigue resistance. The synergy of combining these reinforcements …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 90–98 Read article