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69 articles for “Hard coating”
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Studies on Nanostructured Nickel Thin Film Coatings Deposited using Pulsed DC Magnetron Sputtering Process
Abstract: The purpose of this research work is to investigate the mechanical properties of nickel thin film. The nickel thin films were coated on glass substrate using pulse PDC power supply magnetron sputtering process in argon atmosphere. The effect of substrate temperature, effect of duty cycle and mechanical properties of nickel thinfilms has been presented in this paper. Coating deposited with substrate temperature at 250°C, had lower surface roughness (Ra<3 nm) …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 1, 2015 · pp. 8–14 Read article
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Experimental Analysis of Cutting Forces Under Different Machining Parameters and Carbide Inserts During Turning of Hardened AISI 4340 Steel
Abstract: Turning of hardened materials with an advanced coated carbide insert has numerous advantages over the grinding process, e.g., reduced process cost, high material removal rate, and less environmental concern due to the elimination of the cutting fluid. Process parameters in conventional machining operations like cutting speed, feed, and depth of cut play the most crucial role behind the generation of heat which also leads to microstructural changes, improved tool life, …
Published in Journal of Polymer & Composites Read article
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Corrosion Resistance of HVOF and Plasma Sprayed Ni-Cr/WC-Co Coatings
Abstract: In this work, Ni-Cr/WC-Co composite coating with an approximate thickness of appr. 100 µm was produced by atmospheric plasma and HVOF thermal spraying on SS 304 substrate. The main objective was to characterize the Ni-Cr/WC-Co coating. The microstructure and composition of powder and coatings were studied by Scanning Electron Microscopy (SEM), Optical Microscope and X-ray diffraction (XRD). The coating characteristics such as porosity, and micro-hardness were evaluated. Finally the corrosion …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 1, Issue 2, 2014 · pp. 51–57 Read article
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Application of Poly (o-anisidine) Nanocomposite and PET Recycled Polyester Amide in Anticorrosive Coatings
Abstract: AbstractPolyethylene terephthtalate (PET) was depolymerized through aminolysis technique using ethanolamine into Bis (2-hydroxyethylene) terepthalamide (BHETA). BHETA is having hydroxyl functionality present in it so it is used as monomer and treated with sebacic acid using sulphuric acid as a catalyst. The synthesized resin having ester linkage present in it along with that in BHETA, amide linkage is also present hence it can be called as polyesteramide resin. This synthesized carboxyl …
Published in Journal of Polymer & Composites · Vol. 2, Issue 2, 2023 · pp. 1–13 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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Development of Multilayer Metallic Coatings with Graded Interfaces for Enhanced Wear and Fatigue Resistance in Aerospace Components
Abstract: This study presents a comprehensive investigation into the development and characterization of multilayer metallic coating systems with compositionally graded interfaces, specifically engineered to enhance wear and fatigue resistance in aerospace structural and rotating components. Four coating architectures were systematically designed: (i) CrN/TiAlN bilayer, (ii) TiN/TiAlN/TiAlSiN gradient trilayer, (iii) CrAlN/AlCrN nanolaminate, and (iv) a novel five-layer CrN–TiN–TiAlN–AlCrN–TiAlSiN functionally graded system (FGS). Coatings were deposited via high-power impulse magnetron sputtering (HiPIMS) and …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 2, 2026 · pp. 50–67 Read article
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Study of Shear Strength and Hardness of Resistance Spot Welding for Automotive Applications
Abstract: Resistance spot welding is the most popular process used in automotive and aerospace for joining of sheet metals of different thicknesses, shapes, and materials. There has been already much research done on the resistance spot welding. This review paper gives an overview of the performance of resistance spot welds in an automobile. For this, AWS D8.9M:2012 (Test Methods for Evaluating the resistance spot welding behaviour for automotive steel sheet materials) …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 3, 2017 · pp. 1–9 Read article
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Enhancement of the Life of Helical Spring Systems
Abstract: Helical springs are essential mechanical factors considerably employed in automotive, aerospace, and artificial systems because of their capability to store and release energy, absorb shock, and sustain repeated weight cycles. The performance, responsibility, and durability of these springs play a vital part in ensuring the effectiveness and safety of the entire system in which they are integrated. Over time, numerous researchers have focused on strategies to enhance the service life …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 12–24 Read article
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Composite Coating Techniques – A Review on Process Parameters and its Impact on Characterizations.
Abstract: Surface modification with composite coating technology is the need of the hour in most of the industries. Changing the bulk properties of the material by surface modification is one of the simplest techniques to do so, and this also avoids industrial downtime. An attempt is made in summarizing the processing techniques of developing composite coatings. The effects of coating parameters on the micro-structure, porosity, bond strength and micro-hardness have also …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 7, Issue 1, 2017 · pp. 1–7 Read article
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Tribological Behaviour of En 31 Bearing Steel Against Altin, Alcrn and Crn Coated High Speed Steel
Abstract: Mechanical parts like bearing in modern machining systems are often subjected to wear and friction causing high heat generation at the interacting zones leading to reduced lifecycle and increased energy consumption of machinery. In this investigation friction and wear characteristics of bearing material EN31 steel against the CrN, AlCrN and AlTiN deposited on high speed steel as counter material is presented. Tribological tests are conducted on a pin on disc …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 97–108 Read article
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Comprehensive Introduction: Epoxy and Polyurethane Floor Coatings—A Critical Evaluation for Modern Industrial Applications
Abstract: Industrial flooring systems are essential for ensuring operational durability, safety, and longevity in demanding environments. Epoxy and polyurethane (PU) coatings represent two predominant technologies, each offering distinct mechanical, chemical, and aesthetic profiles tailored to specific performance requirements. Epoxy systems, formed through the crosslinking of bisphenol-A-based resins with amine hardeners, excel in high-strength, chemically aggressive settings due to their superior hardness, adhesion, and chemical inertness. In contrast, PU coatings, synthesized from …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 1, 2026 · pp. 14–23 Read article
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Food Texture Descriptors: A Compilation of the most Important Terms used in Sensory Analyses
Abstract: The texture is essential in the quality and acceptance of food, being classified into three distinct groups: mechanical, geometrical, and compositional. The so-called “lexicons” are standardized vocabularies with the definitions and references for each attribute which aid the application of descriptive sensory analysis. The objective of this study was to raise typical texture descriptors from different types of food, relating them to the methodologies and technological processes used, besides the …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 9, Issue 3, 2020 · pp. 16–27 Read article
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Fabrication and Characterization of Zinc-based Alloy for Bio-implants
Abstract: Zinc-based alloys are potential biodegradable implants and can replace Magnesium and Titaniumbased materials via engineering their biomechanical properties with Zinc. Implants, due to their intricate geometries are difficult to fabricate by conventional manufacturing techniques. Therefore, they are usually fabricated by Additive manufacturing and Powder metallurgy techniques. In the present work, Zinc, Magnesium, manganese and titanium are alloyed using powder metallurgy technique. Vickers micro-hardness, UTM, Zeiss microscopy and Corrosion testing using …
Published in Journal of Polymer & Composites · Vol. 11, Issue 7, 2023 · pp. 1–13 Read article
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Estimation of Absorption Performance of Underwater Anechoic Coating by Multilayer Arrangement of Cylindrical Cavity
Abstract: Rubber coatings with inner cavities are often used as underwater anechoic coatings. What is important in improving the underwater absorption performance is to improve the low frequency absorption performance, while satisfying the broadband absorption performance. Generally the homogenous medium can hardly satisfy the broadband absorption performance. In this paper sound absorption coatings with new arrangement of cavities to satisfy both broadband absorption performance and better low frequency absorption performance is …
Published in Research & Reviews : Journal of Physics · Vol. 12, Issue 3, 2023 Read article
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Advancing Capsule Technology: A Comprehensive Review of Formulation Strategies
Abstract: Capsules are a popular and versatile oral dosage form used in drug delivery, offering benefits such as ease of swallowing, taste masking, and improved stability of active pharmaceutical ingredients (APIs). They can be made from gelatin or non-gelatin materials like Hydroxypropyl Methylcellulose (HPMC), Polyvinyl Alcohol (PVA), and starch, catering to dietary, cultural, and sustainability needs. Capsules can be engineered for controlled, sustained, or targeted release, enhancing bioavailability, particularly for poorly …
Published in International Journal of Antibiotics · Vol. 2, Issue 1, 2025 · pp. 44–56 Read article
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Electroplating and Corrosion Properties of Binary and Ternary Zinc Alloys with Nickel, Cobalt and Iron
Abstract: The anti-corrosive three binary (Zn-Ni, Zn-Co, Zn-Fe) and two ternary (Zn-Ni-Co, Zn-Co-Fe) alloy coating films on mild steel from acid chloride bath using sulphanilic acid and gelatin as additives for the electroplating technique. The normal Hull cell method was used to optimize the bath compositions, temperature and pH of the bath solutions for coating performance against corrosion. The cause of current density (CD) on metal weight percentage (M = Ni, …
Published in Journal of Thin Films, Coating Science Technology & Application · pp. 1–7 Read article
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Electroplating and Corrosion Properties of Binary and Ternary Zinc Alloys with Nickel, Cobalt and Iron
Abstract: The anti-corrosive three binary (Zn-Ni, Zn-Co, Zn-Fe) and two ternary (Zn-Ni-Co, Zn-Co-Fe) alloy coating films on mild steel from acid chloride bath using sulphanilic acid and gelatin as additives for the electroplating technique. The normal Hull cell method was used to optimize the bath compositions, temperature and pH of the bath solutions for coating performance against corrosion. The cause of current density (CD) on metal weight percentage (M = Ni, …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 3, 2021 · pp. 1–7 Read article
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Nanomechanical Properties of Aluminium Thin Films on Polycarbonate Substrates Using Nanoindentation
Abstract: properties of aluminium thin films by nanoindentation. The properties of sputtered aluminium films on polycarbonate were tested with a variation in coating thickness. The resulting data obtained from nanoindentation was studied using load–displacement curves and also with the variation of hardness, stiffness and Young’s modulus with indentation depth. The results obtained showed the change in composite mechanical properties with variation in thickness of aluminium coating. The effect of soft polycarbonate …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 23–30 Read article
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Analysis and Improvement in Tribological Properties of Coated HSS Tool
Abstract: The use of low friction coatings like TiAlN and AlCrN is to improve the tribological properties of tools for metal cutting, forming and machine elements. It is strong scientific interest to conduct fundamental tribological research on the materials that exhibits low friction and can be used for surface coating on surfaces to rub against with reduced friction and wear. Parameters influence the quality of the products in turning process. The …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 1, 2018 · pp. 23–36 Read article
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An Ultraviolet-Curable Nano Cerium Oxide Coating and Its Anti Ultraviolet /Blue Light Properties
Abstract: An ultraviolet (UV)-curable nano cerium oxide (CeO2) coating with enhanced blue light and UV shielding properties, prepared using an ultrasonic blending method, is presented. This study systematically investigated the optimal synthesis conditions for nano CeO2, as well as the effects of UV intensity and CeO2 concentration on the curing kinetics and blue/UV light shielding performance of the UV-curable nanocomposite. The results indicate that the synthesized nano CeO2 exhibited improved mechanical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 306–324 Read article