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602 articles for “micro structure”
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Performance Enhancement of Microstrip Patch Antenna Using Metasurface
Abstract: Performance enhancement of microstrip patch antenna using metasurface provides a thorough analysis of how a metasurface integration technique might improve the performance of a microstrip patch antenna. The 4×4 array of square components metasurface measuring 51.6 × 51.6 × 3.1016 mm is merged with the microstrip patch antenna, which has dimensions A=13.5 mm, B=12 mm, and C=1.2 mm. The radiation box dimensions (100 mm × 100 mm × 55 mm), …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 3, 2024 · pp. 20–27 Read article
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Development and Characterization of Antimicrobial Polymer Composites for Food Packaging Applications
Abstract: The increasing demand for sustainable and antimicrobial food packaging materials has led to extensive research in polymer-based composites. This study focuses on developing a polyethylene terephthalate-ethylene vinyl acetate (PET-EVA) composite reinforced with metal oxide nanoparticles (MONs), including Cu₂O, ZnO, and MgO₂. These nanoparticles were selected for their antimicrobial properties and ability to enhance the functional characteristics of the composite. Structural, chemical, mechanical, and barrier properties were extensively evaluated to determine …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 86–93 Read article
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Bio-Derived TPS–Lignin Hybrid Composites Reinforced with Modified Coir and Plantain Fibers for Eco-Efficient Structural Applications
Abstract: This study develops bio-derived polymer composites using a thermoplastic starch–lignin (TPS–lignin) matrix reinforced with alkali-treated coir and plantain fibers for sustainable load-bearing applications. The TPS–lignin matrix was formulated using cassava starch, glycerol, and 10 wt% lignin, while coir and plantain fibers were surface-modified using 5 wt% NaOH to enhance interfacial compatibility. Composite laminates were fabricated with varying fiber loadings (10–40 wt%) through melt-mixing and hot-press compression. Tensile, thermal, morphological, and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 136–145 Read article
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Development of Compact RF Filters for Modern Wireless Communication Systems
Abstract: Modern wireless communication systems such as 5G, 6G, Internet of Things (IoT), satellite communication, radar systems, and smart wireless networks require compact and highly efficient RF filters for reliable signal transmission and interference suppression. RF filters are important components that allow desired frequency signals to pass while rejecting unwanted frequencies and noise. With the rapid growth of wireless devices and limited spectrum resources, the demand for miniaturized, low-loss, multi-band, and …
Published in Journal of Microwave Engineering and Technologies · Vol. 13, Issue 2, 2026 Read article
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Multi-Objective Optimization of Polymer-Based Functionally Graded Composites for Lightweight Structures
Abstract: Functionally graded composites (FGCs) improve lightweight structural performance by allowing material properties to change smoothly across a component. Polymer-based FGCs (P-FGCs), in particular, are gaining prominence in aerospace, automotive, and biomedical industries due to their excellent strength-to-weight ratio, tunability, and ease of processing. However, optimizing these materials for lightweight structural applications requires addressing conflicting design objectives, such as maximizing stiffness while minimizing weight or enhancing thermal resistance while maintaining manufacturability. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 961–973 Read article
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Enhancements in Titanium Matrix Composites: A Multifaceted Exploration of Various Structural Ceramics Reinforcement
Abstract: This research study delves into the comprehensive exploration of Titanium Matrix Composites (TMCs) reinforced with Silicon Carbide (SiC), Alumina (Al2O3), and Boron Nitride (BN). The investigation is structured into three key phases, each addressing essential aspects of TMCs: Phase 1 involves materials and manufacturing, where TMC coupons were fabricated through the stir casting technique with varying compositions of aluminum and silicon carbide. Phase 2 focuses on characterization and defect detection, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 83–94 Read article
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REVIEW ON BIODEGRADABLE CONCRETE
Abstract: Concrete is one of the strongest construction materials used all over the world and usually considered as indestructible because of their longer service life as compared with the most constructional products. However, they can get destroyed for a variety of reasons including the material limitations, poor quality design and construction practices, as well as the hard exposure conditions. Degradation mechanisms of concrete often depend on the way potentially aggressive substances …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 3, 2018 · pp. 34–40 Read article
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STUDIES ON WEAR BEHAVIOR OF BORON CARBIDE PARTICULATES REINFORCED ALUMINUM 7075 METAL MATRIX COMPOSITES
Abstract: In this present work, Aluminum 7075 is used as matrix material with Boron Carbide asreinforcement. Two different compositions were used to prepare the composite. The composites werefabricated by Stir Casting Technique as per ASTM G99 and tested under Pin-on-Disc wear test rig. Theexperiments are conducted through conventional method and macro structural studies were carried out bySEM analysis. The results show that, in conventional method, the reinforced composite Aluminum 7075-10%B 4 …
Published in Journal of Polymer & Composites · Vol. 7, Issue 2, 2019 · pp. 1–7 Read article
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Effects of Nano B4C Addition on the Solidification Behavior of Al-2219 Alloy Composites
Abstract: The inclusion of nano B4C particulates in Al-2219-Nano B4C alloy was investigated to understand their impact on hardness and wear characteristics. 500 nm-sized nano B4C particulates are used as reinforcements for structures in the Al2219 alloy matrix. The nanocomposites were fabricated using the two-stage liquid stir melt method with varying weight percentages (2, 4, 6, and 8 wt. %) of Nano B4C in the Al-2219 alloy matrix. Renewable energy dispersive …
Published in International Journal of Manufacturing and Production Engineering · Vol. 2, Issue 1, 2024 · pp. 31–38 Read article
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Influence of Crystallization Time by Hydrothermal Synthesis of Ag NPs-Zeolite Composite
Abstract: The nanocomposites Ag NPs-zeolite involve zeolite loaded with silver nanoparticles and have been prepared by an easy one-pot hydrothermal autoclave method. Three samples of silver-bearing zeolite were prepared for 8 hours, 6 hours, and 4 hours, respectively, inside an autoclave at 100°C. A range of characterization procedures were used to examine the samples, such as x-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), UV-visible spectroscopy, and zeta potential. Results …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 80–90 Read article
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4D Printing in Drug Delivery: Application of Shape- Morphing Materials in Controlled Drug Release
Abstract: Four-dimensional printing technology has transformed the pharmaceutical landscape, offering unprecedented opportunities for innovation in drug development and delivery. This emerging technology enables the creation of complex geometries and customized structures, facilitating the design of personalized medications tailored to individual patient needs. Personalized dosing and drug release profiles, customized pill shapes and sizes for improved swallowability. Enhanced drug solubility and bioavailability, rapid prototyping and testing of pharmaceutical products. Development of complex …
Published in Trends in Drug Delivery · Vol. 12, Issue 3, 2025 · pp. 08–16 Read article
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RFID-based Automated Toll Collection System
Abstract: AbstractElectronic Toll Collection (ETC) is a technology that allows for electronic payment of tolls. One of the most efficient ETC technologies is the RFID technology. RFID-based ETCs permit swift tax collections on-the-go, thereby alleviating the delay problems associated with manual tollbooths. RFID systems make use of RFID readers, RFID tags and a processing system to provide seamless tax collection at tollbooths. RFID-based ETCs are very cost-effective because they are completely …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 106–110 Read article
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Polymeric Composite Reinforcement Strategies for Load-Bearing Orthopedic Implants
Abstract: The increasing demand for orthopedic implants with enhanced characteristics that are durable, lightweight and compatible with the body’s response has led to the development of polymeric composites incorporating them for load-bearing applications. Commonly used metal implants cause stress shielding, corrosion and lack biological integration. The challenges of the aforementioned problems are overcome by polymeric composites by offering adjustable mechanical properties, radiolucency and the incorporation of bioactive elements. Advances in high-performance …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 223–235 Read article
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To Assessment of the Effectiveness of a Structured Educational Program on Women's Knowledge of Sexually Transmitted Diseases in Rural Areas of Ludhiana, Punjab: A Quasi-experimental Study
Abstract: Background: Maintaining good health is of immeasurable value, as it empowers individuals to lead socially and economically fruitful lives. However, various disorders have the potential to disrupt one's health. Among these, sexually transmitted diseases (STDs) are the most prevalent disorders affecting the reproductive system and other bodily systems, resulting in significant consequences for both families and society. Sexually transmitted diseases (STDs) can be triggered by various microorganisms, including bacteria (like …
Published in International Journal of Evidence Based Nursing And Practices · Vol. 1, Issue 2, 2023 · pp. 19–26 Read article
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Bulk Polycrystalline Ceramic Nanocomposites for Structural Applications: Present Issues and Perspectives
Abstract: This article brings to light some of the unresolved issues associated with bulk structural polycrystalline ceramic nanocomposites (both nano-particulate and nano-fibre reinforced), that even to-date suppress extensive commercial applications and realization of the full potency of the nano-reinforcements. Such issues are primarily related to the presently used processing routes, which in turn influence the microstructure development; and concomitantly the mechanical and tribological properties. The first section introduces this materials class, …
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 3, 2014 · pp. 1–7 Read article
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Hybrid Polymer Nanocomposites with Enhanced Dielectric and Optical Properties for Wireless Communication Systems
Abstract: The incorporation of nanofillers into polymer matrices offers a promising approach to enhancing the multifunctional properties of composite materials. This study examines the effect of nanofiller concentration on the dielectric performance, mechanical strength, thermal stability, optical absorbance, and electromagnetic interference (EMI) shielding effectiveness of polyvinylidene fluoride (PVDF)-based nanocomposites. Titanium dioxide (TiO₂) and zinc oxide (ZnO) nanofillers were incorporated at varying concentrations to assess their influence on material properties. EMI shielding …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 518–549 Read article
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Enhanced Synthesis Methods and Comprehensive Material Response Analysis in Alloy-Infused Nanocomposites
Abstract: This study looks into the most advanced ways to make alloy-infused nanocomposites and how they react to different materials. It focuses on how these nanocomposites can be used to process and make plastics and composites. A lot of people are interested in alloy-infused nanocomposites because they have better mechanical, thermal, and electrical qualities than regular composites. The goal of this study is to improve the methods used for making nanocomposites …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 175–191 Read article
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Electromagnetic Propulsion Train for Future Transportation
Abstract: The Electromagnetic Propulsion Train project focuses on the development and analysis of a prototype system that achieves linear motion through the application of controlled electromagnetic forces. Unlike conventional railway systems that rely primarily on mechanical drive mechanisms such as wheels, axles, and traction motors, this project explores an alternative propulsion approach based on electromagnetic interaction. In this system, a sequence of electromagnets is strategically positioned along the track to generate …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 2, 2025 · pp. 25–31 Read article
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Study the Impact of Corrosive Pollutants on Building Materials Corrosion
Abstract: Reinforced concrete structures (RCS) may be made more resistant to corrosion by using fiber reinforced polymers (FRP). One of the primary concerns with reinforced concrete constructions is corrosion. It causes disintegration in building material components by interactions with salts, acids, and alkalis. Both within and outside of reinforced properties, pollutants and effluents accelerate disbanding. When bio-waste and building materials come into contact, microorganisms and macro organisms, grow and emit acid …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 2, 2024 · pp. 20–29 Read article
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Multiband Antenna Designing using Proximity Coupled Technique
Abstract: AbstractIn this paper, author proposed a multiband antenna a circular patch and proximity coupled feeding technique. This feeding technique not only showed good result, it made the antenna multiband as well. Author fabricated this antenna to compare it with simulation result and found that fabrication results are also promising. This simulated antenna is a miniaturized four-band antenna which has the capability to operate at four distinguished frequencies. This proposed design …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 13–17 Read article