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362 articles for “Meta-materials”
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Digital and Sustainable Innovations for Zero-Waste Manufacturing
Abstract: The integration of digital technologies and sustainable practices in manufacturing is crucial for addressing global issues like resource depletion, pollution, and waste. Zero-waste manufacturing has emerged as a transformative approach to minimize environmental impact and boost production efficiency. This paper explores how digital and sustainable innovations support this goal. Industry 4.0 technologies— such as IoT, AI, Big Data, and robotics—enable real-time monitoring, predictive maintenance, and optimized resource use. Sensors and …
Published in Journal of Control & Instrumentation · Vol. 16, Issue 3, 2025 · pp. 34–42 Read article
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Experimental Investigation and Optimization of Machining Parameters for Al6351 Alloy Using a Modified Taguchi Approach
Abstract: Machining processes encompass both conventional and non-conventional techniques and optimizing machining parameters is crucial for achieving high-quality outcomes. However, simplifying these processes remains a significant challenge. This study focuses on determining the optimal machining parameters—cutting speed, feed rate, and depth-of-cut to enhance performance characteristics in Al6351 alloy plates. The parameters evaluated include surface roughness (Ra), material removal rate (MRR), resultant forces (RF), and temperature at the tool- workpiece interface (Temp). …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1463–1481 Read article
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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
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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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Optimization Of Mechanical Properties Of 500/7 Grade Ductile Cast Iron (DCI) By Using SMAW: Applications In Reinforced Composites And Thermoplastics Through Taguchi & GRA
Abstract: Welding, a critical manufacturing process, is broadly engaged to join metals and thermoplastics using heat, pressure, or both. This study inspects the Shielded Metal Arc Welding (SMAW) method to optimize welding parameters and improve the mechanical properties of Ductile Cast Iron (DCI) grade 500/7, a material widely used in high-strength and thermal conductivity applications in aerospace and automotive sectors. Using an L9 OA (orthogonal array), experiments were conducted on nine …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 204–222 Read article
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Contribution Of Indian Historical Technology To Development The AI
Abstract: The Indus Valley Civilization (3300–1300 BCE) was among the first in the world to develop advanced metallurgy. They created bronze tools, copper vessels, and intricate metal ornaments. A testament to ancient Indian metallurgy, this rust-resistant iron pillar, built during the Gupta Empire, still stands without significant corrosion, demonstrating an advanced understanding of material science. The study examines key texts and technologies, including Panini’s Ashtadhyayi (a formal system of grammar resembling …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 15, Issue 3, 2025 Read article
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Polymers for Water Purification Application
Abstract: Water pollution is a growing concern worldwide, and the demand for clean and safe drinking water is increasing rapidly. Traditional water purification methods often face challenges such as inefficiency, high cost, and secondary pollution. In recent years, polymers have emerged as promising materials for water purification due to their versatility, high efficiency, and selective removal capabilities.This project explores the application of various polymers in water purification, including their role as …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 111–122 Read article
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Catalytic Degradation of Polymers Using Metal Oxides (Zno, Cuo): A Sustainable Approach
Abstract: The growing accumulation of synthetic polymeric waste, especially plastics, has become one of the most pressing environmental challenges due to their non-biodegradable nature and long-lasting presence in ecosystems. This issue is compounded by the widespread use of plastic materials in various industries, resulting in vast amounts of plastic waste that contribute to environmental pollution, clog waterways, and pose threats to wildlife. As global plastic production continues to rise, the need …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1052–1062 Read article
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Facile Synthesis and Characterization of Cd²⁺ Doped NiAl₂O₄ Nanoparticles for Advanced Polymer Composite Integration
Abstract: Ni1-xCdxAl2O4, where 0 ≤ x ≤ 0.5, was successfully synthesized using the chemical co-precipitation technique, a scalable and cost-effective route suitable for composite material applications. X-ray diffraction (XRD) analysis revealed a crystalline cubic spinel structure for the resulting nanoparticles, with determined crystallite sizes ranging from 36 to 12 nm for NiAl2O4 and Cd-doped NiAl2O4. The respective band gaps for the materials were found to be 3.51 and 4.18 eV. Infrared …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 59–72 Read article
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Influence of EDM Process Parameters on MRR and TWR on Mild Steel and Cast Iron using Taguchi’s Method
Abstract: An alternative to conventional machining methods, Electrical Discharge Machining (EDM) uses electrical current for generating controlled sparks that erode surface of the material through thermal energy. Unlike traditional cutting processes, hard and electrically conductive materials with high precision can be machines very easily, which make it suitable for applications in tool and die manufacturing, aerospace, and automotive industries. Tool Wear Rate (TWR) and Material Removal Rate (MRR) for mild steel …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 614–627 Read article
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Recent Advancements and Current Status of Hydrogen Fuel Cells: Materials, Systems, Applications, and Commercialization Prospects
Abstract: In the transportation, stationary electricity, and industrial sectors, hydrogen fuel cells have become a crucial clean-energy technology that can help achieve worldwide decarbonization. Significant progress has been made in catalyst design, membrane engineering, stack architecture, system optimization, and hydrogen generation pathways throughout the last ten years (2018–2025). Platinum group metal (PGM) loading has been significantly reduced, single-atom and transition-metal-nitrogen-carbon (M-N-C) catalysts for oxygen reduction have been developed (Wu et al., …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 2, 2025 · pp. 6–24 Read article
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Microstructure Analysis and Material Properties of Weld Slag as Fine Aggregate in Concrete
Abstract: To reduce the amount of river sand used, researchers and engineers have developed their own solutions. The well-known technique of submerged-arc welding can create high-quality welds in a variety of thicknesses for ferrous, stainless, and even some non-ferrous metals. The procedure involves an electric current flowing constantly between a welding wire and the work piece, creating an arc. In submerged arc welding, the shielding flux is transformed into slag during …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 13–18 Read article
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Numerical Studies on Deep Drawability of the Aluminium Alloy, AA6082 and Parameters Affecting It
Abstract: Deep drawing is a metal forming operation used for manufacturing sheet-metal components for application in the automobile, aerospace, and packaging industries. The objective of the present work was to study the various parameters influencing the drawability of AA6082. The deep-drawing process was modeled and simulated in Ls-Dyna Pre-Post(R) V4.6.17 software. The tensile test was performed according to the ASTM-E8M standard on AA6082-T6 material and subsequently annealed to attain higher ductility. …
Published in Journal of Polymer & Composites Read article
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Improved Photocatalytic Activity for Removal of Methylene Blue Dye from Aqueous Solutions with La2O3-Modified Ceria Heterostructured Binary Oxide Nanocomposite Particles
Abstract: The current study aimed to examine the photocatalytic efficacy of a bimetallic CeO2-La2O3 hetero-NC in comparison to monometallic CeO2 and La2O3 nanoparticles (NPs), utilizing Methylene Blue (MB)as pollutant sample under natural solar and UV irradiation. The coprecipitation method was utilized to produce a bimetallic CeO2-La2O3 hetero-NC. Following this, the nanostructures underwent characterization through various techniques including FT-IR, FE-SEM, XRD, UV Vis- DRS, Raman, and Photoluminescence spectroscopy. The catalytic activity of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 514–532 Read article
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A Study on Heavy Metal Contamination in Workers Handling Electronic Waste in North India
Abstract: Background E-waste contains hazardous substances like leads, cadmium, mercury, and arsenic which can be harmful for informal workers and recyclers. In North India, one finds an informal sector of e-waste workers who work in extremely micro-manageable conditions with lack of order policy and protective equipment. This study explores the processes and cavities of heavy metals as well as assessing the knowledge, safety measures, and health symptoms of the reclaimers. Objectives …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 15, Issue 2, 2025 Read article
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Advanced Coating Techniques: Improving Metal Longevity through Nanocomposite Applications
Abstract: In order to protect metal and lessen wear and tear, this topic has scriptive issues pertaining to coatings that are applied to metal surfaces. Components in slurry pumps have better wear and abrasion resistance compared to their surface properties. An interface region has been used to separate at least two immiscible phases in the material that makes up a nanocomposite coating. Fillers have become a major constituent of the matrix, …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 3, 2024 · pp. 01–08 Read article
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Treatment of Textile Industrial Wastewater using Hydrophilized Polyamide Nanofiltration Membrane for Water Recovery and Reuse
Abstract: The textile industry is very water intensive. Water is used for cleaning the raw material and for many flushing steps during the entire production process. During the process a large quantity of wastewater is produced which consists of dyes, heavy metals, pigments, and surfactants in high concentration levels all around the world. Dyes and other chemical laden wastewater released by textile industries is a major concern for the treatment which …
Published in Journal of Water Pollution & Purification Research Read article
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Exploration of Copper Oxide PVA/PEG Paraffin Polymer Composites for Enhanced Thermal Performance of Nano-Enhanced Phase Change Materials and Their Environmental Impact
Abstract: This study investigates the synthesis, characterization, and application of copper oxide (CuO) nanoparticles integrated into polymer-based paraffin wax composites for advanced thermal management applications. CuO nanoparticles were synthesized using a wet chemical approach and characterized through X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and dynamic light scattering (DLS), confirming their crystalline structure, morphology, and nanoscale size distribution. The synthesized nanoparticles were incorporated into polymer-supported phase change …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 156–173 Read article
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A Concise Overview of Recent Developments and Uses in Nano-Silica and Nanoparticles Encased in Silica
Abstract: Nano-silica and silica-coated nanoparticles have gained significant attention lately due to their exceptional chemical and physical properties, including a high surface area-to-volume ratio, adjustable porosity, thermal and chemical stability, biocompatibility, and ease of surface modification. These characteristics make them versatile materials applicable in various scientific and industrial sectors. Their ability to control particle size, shape, and surface traits allows them to be effectively utilized in catalysis, drug delivery, biosensing, and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 696–704 Read article
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Combustion Synthesis and Comprehensive Characterization of Pure and Ni-Doped CuFe₂O₄ Nanoparticles for Functional Composite Applications
Abstract: The CuFe2-xNixO4 (x = 0, 0.1, 0.3, and 0.5) nanoparticles were synthesized using a combustion method and comprehensively characterized to understand their suitability for polymer-based composite applications. X-ray diffraction confirmed the formation of a single-phase spinel ferrite structure with crystallite sizes of 20–30 nm. Energy-dispersive X-ray spectroscopy verified the successful incorporation of Ni ions into the CuFe₂O₄ lattice, while FE-SEM analysis revealed uniformly dispersed nanoscale particles desirable for composite reinforcement. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1–11 Read article