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491 articles for “surface properties”
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Heteroatom modified carbon dots (N, P, K): synthesis, surface functionalization, and prospects for soil‑fertility enhancement
Abstract: Heteroatom‑functionalized carbon dots (H‑CDs) have emerged as a class of zero‑dimensional carbon nanomaterials offering tunable optical, electronic, and catalytic properties through controlled nitrogen, phosphorus, and potassium doping. This review highlights the chemistry and chemical‑technology dimensions of N‑, P‑, and K‑doped carbon dots (N‑CDs, P‑CDs, K‑CDs), focusing on their synthesis strategies, surface functionalization, and structure–property relationships. Conventional routes such as microwave‑assisted pyrolysis, hydrothermal carbonization, and one‑pot solvothermal methods are discussed, with …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 2, 2026 · pp. 30–35 Read article
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Biomedical Coatings: Surface Engineering for Enhanced Biocompatibility and Performance
Abstract: Biomedical coatings have become essential in modern healthcare, significantly improving the performance, durability, and biocompatibility of medical implants and devices. These coatings serve multiple functions, including reducing infection risks, enhancing osseointegration, promoting tissue integration, and enabling localized drug delivery. Advances in surface engineering have led to the development of innovative coatings with superior properties such as antimicrobial resistance, bioactivity, and controlled biodegradation. Various materials are employed in biomedical coatings, including …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 8–15 Read article
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Study of Electrochemical and Mechanical Properties of Graphene/HAp Composite Coating on Ti-13Nb-13Zr Alloy via Electrophoretic Deposition for Biomedical Application
Abstract: Titanium-13niobium-13zirconium alloy has widespread potential in biomedical applications due to its high degree of biocompatibility, favourable mechanical properties, high corrosion resistance, and high possibility of osseointegration. The surface was improved by electrophoretic deposition method using hydroxyapatite and graphene (5 g nanoHAp) (5 g nanoHAp+0.06 nanoGr) and suspended in ethanol solution at different conditions of time (1, 3, and 7 minutes) and voltage (50, 70, and 100 V). The effect of …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 91–106 Read article
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Development of Biomass-Derived Composites From Commodity Plastics Via Pyrolysis For Enhanced Corrosion Protection of Metals
Abstract: Escalating environmental concerns and the depletion of fossil resources have spurred the need for sustainable and eco-friendly materials. By converting plastic waste into valuable carbonaceous materials via pyrolysis, both plastic pollution and resource scarcity can be addressed. The process involves the thermal decomposition of plastics in an inert atmosphere, producing a mixture of gases, liquids, and solid residues rich in carbon. These carbonaceous residues are then incorporated with biomass materials …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 59–70 Read article
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Degradation of Building Materials by Corrosive Pollutants
Abstract: Fiber reinforced polymers (FRP) is used for the corrosion suppression of reinforced concrete structures (RCS). One of the main issues with reinforced concrete constructions is corrosion. It interacts with acids, alkalis and salts to produce disintegration in building materials components. Pollutants and effluents speed up disbanding inside and outside reinforced structures. Bio-wastes come in contact of building materials to develop miro and macro-organism and these organisms release acid substances to …
Published in International Journal of Minerals · Vol. 2, Issue 1, 2025 · pp. 15–24 Read article
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Interfacial Bonding Efficiency in Jute-Carbon Fiber Polyester Matrix Composites Evaluated Through Short-Beam Shear and Interlaminar Fracture Toughness Testing
Abstract: The natural Fiber–synthetic Fiber hybrid composites are jute–carbon Fiber hybrid in polyester matrix which could be used in semi-structural applications of automotive, construction and marine industry as an eco-friendly and cost-effective alternative of conventional carbon Fiber reinforced polymer. But the hydrophilic nature of jute Fibers and the relatively inert surface of carbon Fiber’s cause weak bonding at the interface of the polyester matrix, which causes premature delamination, poor interlaminar shear …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 68–80 Read article
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A New Multiband Square Patch Antenna with Sierpinski Gasket Slot and Fractal Koch Loop at Ground
Abstract: This paper presents a multiband square patch antenna with Sierpinski gasket slot on top surface of substrate and fractal Koch loop at ground. This antenna has been designed to operate at 0 to 3 GHz frequency range and operates at five different resonant frequencies. The Koch loop at ground surface provides irregularities in current distribution; this affects the radiation property of the antenna.
Published in Journal of Electronic Design Technology · Vol. 4, Issue 1, 2013 · pp. 5–10 Read article
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The Principles and Applications of Structural Symmetry in Natural and Engineered Systems: A Comprehensive Review
Abstract: Structural symmetry is a fundamental constraint across scientific domains, dictating the stability, functionality, and efficiency of systems from the subatomic to the macroscopic. In physics and chemistry, symmetry is mathematically defined through Group Theory, specifically point groups (e.g., Cnv, Oh). These groups govern molecular orbital interactions; high-symmetry configurations, such as the icosahedral C60 fullerene, achieve optimal energy distribution and structural resilience. In Structural Biology, symmetry is an evolutionary strategy for …
Published in Emerging Trends in Symmetry · Vol. 2, Issue 1, 2026 · pp. 30–34 Read article
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Comprehensive Analysis and Investigation of Heat Treated AISI 4130 Steel on Surface Roughness in Turning Operation
Abstract: Now a days Heat treatment is one of the most important operations which alters the properties of the material such as hardness, strength, toughness, ductility, corrosion resistance, etc., and these are used according to the required material properties. These treatments are involving heating and cooling a specimen normally to extreme temperatures. These major processes are annealing, normalizing, hardening, case hardening, etc. In every process, the properties vary accordingly. Turning is …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 3, 2022 · pp. 28–38 Read article
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Fabrication and Multi scale Characterization of Functionally Graded Composites Reinforced with Hybrid Ceramic–Metallic Phases
Abstract: Using composite materials as functionally graded composites (FGM) can improve its excellent material properties. In this work, magnesium peroxide, silicon carbide, and aluminum are used to create four-layer FGMs. The sintering process, which blends the particles of each material using a powder methodology, has been used to complete the fabrication process. Three factors, including sintering time, sintering temperature, and compacting pressure, are taken into account when fabricating FGM. The FGM …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 3, Issue 2, 2025 · pp. 1–11 Read article
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AI-Assisted Defect Detection in Polymer Composite Insulators Using an Optimised Ensemble Deep Learning Framework for Structural Health Monitoring
Abstract: Polymer composite insulators, particularly those made from silicone rubber and epoxy resins, are increasingly adopted in high-voltage transmission systems due to their superior electrical insulation, lightweight design, hydrophobicity, and environmental durability. Despite their advantages, these materials are susceptible to surface degradation, mechanical cracking, and flashover under prolonged exposure to environmental pollutants, thermal stress, and electrical aging. Accurate, real-time condition assessment of these composite insulators is critical for ensuring operational safety, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 253–261 Read article
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Investigating the Role of Moisture in the Physical Properties of Harra (Terminalia chebula) Fruit
Abstract: Harra (Terminalia chebula) is known as the “king of medicines” in Ayurveda. Its fruits include astringent, purgative, antibacterial, antifungal, and laxative effects. The behavior of harra fruit is mainly dependent on the moisture present. It affects the harvest, post-harvest machinery, separation, packaging, and transportation of harra fruit. This study focused on T’s physical qualities of chebula fresh fruit at 20%–25% (wb) moisture content, such as 50 fruit mass, length, width, …
Published in Emerging Trends in Metabolites · Vol. 2, Issue 1, 2025 · pp. 11–19 Read article
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Effect of Welding Factors on Nugget Size of Polymer-Metal Composite Sheets Using Computational Methods
Abstract: Resistance spot welding (RSW) is a vital technique for joining materials in industries like automotive and aerospace. This study extends the application of RSW to polymer-metal composite sheets by developing 2D axisymmetric, thermo-electro-mechanical coupled model in ANSYS. The focus is on analyzing the temperature distribution, nugget formation, and parameter optimization in hybrid composite sheets, emphasizing the unique challenges posed by polymers' thermal and electrical properties. These properties differ significantly from …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 612–623 Read article
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Deposition of Antimony Trioxide on the Composite Surface to Increase Its Flame Retardancy
Abstract: In the present work, the preparation method of antimony trioxide and its thermal properties were extracted, as well as identified the manufacturing method to form an insulation layer from this oxide as a thickness of the covering layer (2 mm), deposited on the composite material consisting of unsaturated polyester resin and glass fiber which acts as a paste and take for the material to the insulation and flame retardant oxide. …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 1, 2015 · pp. 1–3 Read article
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Effect of Hardfacing on Mechanical Properties
Abstract: A metal working process in which a harder alloying elements are deposited to a softer material the process is called hardfacing or hard surfacing. The life of that part which is hardfaced increases with this process. The present investigation discusses the effects of FeCr, FeV, FeMo, FeMn, C and Ni addition applied on mild steel having carbon content 0.27 using the submerged arc welding process.The effect of these alloying elements …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 3, 2022 · pp. 18–27 Read article
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Mechanical and Tribological Properties of Cr3C2-NiCr Coated Ti6Al4V Implant Alloy
Abstract: Ti6Al4V alloys are widely used in medical and aerospace applications due to their superior mechanical properties. But, Ti6Al4V alloys are poor in tribological properties such as wear. Poor wear resistance consequences in the formation of wear debris in human implants and leads to inflammation and pain. In this work, Cr3C2-NiCr coatings were applied to improve the mechanical properties such as tensile strength, hardness and tribological properties such as wear resistance. …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 3, 2017 · pp. 28–42 Read article
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Advancements In Hydrogenated Diamond-Like Carbon Thin Film Deposition & Surface Modification
Abstract: Materials synthesis and processing are pivotal in advancing technologies across domains such as electronics and biomedical applications. This review provides a detailed exploration of recent advancements in thin film deposition techniques, focusing on hydrogenated diamond-like carbon (HDLC) films and various surface modification methodologies. Beginning with an overview of HDLC films, the paper highlights their unique properties and wide-ranging applications, emphasizing their importance in modern materials science. Key sections of the …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 761–777 Read article
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Wettability and Physiothermal Analysis of Silver-Reinforced Eggshell-Derived Hydroxyapatite Based Biocomposite
Abstract: Hydroxyapatite (HAp), a biocompatible ceramic material, has garnered significant interest in medical applications due to its natural bone type replica. The current study investigates the physical, wettability, and thermal properties of a novel HAp derived from eggshell waste and reinforced with silver nanoparticles at 0.0, 0.1, 0.2 and 0.5 weight % concentration using chemical precipitation method and termed as HAP0.0Ag, HAP0.1Ag, HAP0.2Ag and HAP0.5Ag respectively. As observed, the Fourier transform …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 300–314 Read article
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Analysis of Size and Shape Dependence of Thermophysical Properties of Nanomaterials
Abstract: A simple qualitative model, named Qi model which is further extended to Bond energy model has been expressed in terms of melting temperature to explain the shape and size effect on Debye temperature ( ) and Einstein temperature ( ) of nanomaterials. It is known that properties of materials drastically change with size reduction to nanorange and increase in the number of surface atoms with respect to volume of the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 258–264 Read article
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Crystal Engineering Strategies for Tailoring Mechanical Properties of Structural Materials
Abstract: Crystal engineering has emerged as a promising approach for designing materials with tailored mechanical properties, enabling advancements in various fields such as aerospace, automotive, and construction. This review examines the diverse strategies employed in crystal engineering to manipulate the mechanical behavior of structural materials. One key strategy involves controlling the crystal structure at the atomic level through techniques such as alloying, doping, and phase transformations. Alloying introduces foreign atoms into …
Published in International Journal of Crystalline Materials · Vol. 1, Issue 1, 2024 · pp. 01–06 Read article