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578 articles for “Hardness”
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Service Life Improvement Analysis of Cryogenically Treated Blanking Punch
Abstract: After traditional heat treatment, Cryogenic treatment is carried out as a secondary process to improve the hardness and wear resistance of tool steels. The researchers have already studied and it is well published the potential use of cryogenic treatment of AISI D2 tool steel under laboratory conditions. However, to ensure the sustainable use of this technology for industrial application, its analysis is essential. Therefore, in this work a small scale …
Published in Trends in Mechanical Engineering & Technology Read article
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Unsaturated Polyester Resin and Rice Husk Composites
Abstract: Plastic is a very useful and important part of human beings but it is quiet harmful to environment. The increasing demand for the eco-friendly material is growing interest towards the field of Composites. The Natural composites of Styrene Diluted Unsaturated Polyester resin are made. Various natural materials are used to make different composites. This study includes Rice Husk Composite of SDUPR. There are many methods to prepare composites. Methods such …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. 76–84 Read article
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Experimental Investigation of Date palm Leaf Fiber reinforced with polymer matrix composite.
Abstract: The demand for composites incorporating robust fibers is significant across diverse industries, driven by the favorable attributes of strength, lightness, and cost-effectiveness. Within GCC countries, date palm (DP) serves as a valuable source of cellulosic fibers, highly esteemed for its widespread availability. These fibers can be sourced from midribs, spadix stems, leaflets, and mesh. Date palm leaf fibers are becoming more and more popular as a way to strengthen composite …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 40–48 Read article
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Effect of Graphite and Titanium Dioxide on Mechanical Properties and Wear Behavior of Al based HMMCs
Abstract: Aluminium Metal Matrix Composites (MMC) is beneficial in a diversity of applications of engineering, particularly due to their strength while being lightweight. The intention of this paper is to develop a Hybrid Metal Matrix Composite (HMMC) using base metal aluminium alloy which is reinforced with different wt% of Graphite and Titanium Dioxide and then study the different mechanical properties like microstructure analysis, tensile strength, hardness, and wear behavior of HMMC …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 20–30 Read article
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Enhancing Mechanical Properties of Fiber-Reinforced Composites Through Sorghum Husk and Unsaturated Polyester Resin.
Abstract: Plastic, a versatile synthetic polymer, holds considerable significance and utility in human society due to its manifold applications. However, its deleterious ecological ramifications have spurred growing apprehensions. This has galvanized the pursuit of ecologically amicable substitutes, propelling interest in the domain of composite materials. Composites are formulated by amalgamating diverse substances, and in this context, Styrene Diluted Unsaturated Polyester Resin (SDUPR) is melded with natural constituents. Among these organic constituents, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 59–65 Read article
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Simulation and Experimental Analysis of Heat Treatment for Steel Tie Rods: A Review
Abstract: The study is related to the actual heat treatment and simulation of the physical deformation of the steel tie rod and compares the observations for process optimization. The general methodology is to go for either traditional or induction hardening after getting the chemical composition of the material, followed by tempering, which is a key technique for improving the mechanical properties of materials, strength, hardness, etc., and to release stresses. This …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 3, Issue 1, 2025 · pp. 43–51 Read article
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VHDL Programming for Side-Channel Attack Countermeasures in IoT Security
Abstract: The Internet of Things (IoT) landscape is expanding rapidly, connecting billions of devices across diverse domains. This interconnectedness, while offering unprecedented convenience and efficiency, also creates a fertile ground for security vulnerabilities. Among these threats, side-channel attacks (SCAs) pose a significant risk, particularly targeting the cryptographic implementations that underpin IoT security. SCAs exploit information leaked from the physical execution of cryptographic algorithms, such as power consumption, timing variations, and electromagnetic …
Published in Journal of VLSI Design Tools and Technology · Vol. 15, Issue 2, 2025 · pp. 20–33 Read article
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Mechanical & Tribological Characterization of Al2024-Alumina-Graphite Reinforced Monolithic and Hybrid Composites
Abstract: This work investigates the mechanical characteristics of Al2024-Al2O3-Graphite reinforced monolithic and hybrid composites fabricated by the stir casting method. Exploratory work involved the fabrication of monolithic composites with varying Al2O3 contents (5-8 wt%) and hybrid composites with the ratios of Al2O3 (2-6 wt%) and Graphite (1-3 wt%) in matrix Al2024. For improving their dispersion, preheated reinforcement particles were introduced in matrix alloy at controlled stirring rates. A homogeneous particle distribution …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 823–836 Read article
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Design of a SmartMesh IP Network with Wireless Motes and GUI Control
Abstract: SmartMesh IP is an innovative way to connect smart devices with advanced network management and comprehensive security features. SmartMesh IP delivers reliable, scalable, and energy efficient wireless sensor connectivity. In recent years, SmartMesh IP has become the industry’s most energy- efficient wireless mesh sensing technology even in harsh and dynamically changing radio frequency (RF) environments. This paper proposes a SmartMesh IP network system that consists of a network manager and …
Published in Journal of Microcontroller Engineering and Applications Read article
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Fingerprint Liveliness Detection in Biometric Authentication: A Survey
Abstract: In the world of cyberspace, presentation attacks (PA) on biometric systems have grown to be a major worry. The review of the literature suggests that these systems are more susceptible to spoofing or presentation attacks (PAs), which frequently cause the authentication or identification system to completely fail. To combat against presentation attacks (PAs), the presentation attack detection (PAD) or anti spoofing methods have been developed to validate the liveness of …
Published in Journal Of Network security Read article
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Exploration of Mechanical Characteristics and Microstructural Analysis of Copper Matrix Composites with Hybrid Reinforcements via Muffle Furnace Sintering
Abstract: Metal Matrix Composites (MMCs) have drawn a lot of interest in the area of innovative materials because of how widely they may be used. Due to their extraordinary qualities, such as high thermal conductivity, higher temperature endurance, improved corrosion resistance, and great weldability, copper matrix composites stand out among them. These qualities make them desirable and promising materials for uses including heat exchangers, automotive parts, and electrical components. In this …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 119–126 Read article
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Experimental Investigation of Mechanical Properties of the Composite Materials Reinforced by Agro-based Waste Materials
Abstract: In this work, experiments were carried out to develop the glass fiber reinforced composites using the hand layup method and analyze the mechanical properties of the GFRP hybrid composites. The ultimate Tensile strength (UTS) using rice as a filler (GFRPC/R) was 3.04% and 12.89% higher than coir and wheat as filler, respectively. The hybrid composite using coir as a filler (GFRPC/C) revealed 12.54% greater flexural strength, and the hybrid composite …
Published in Journal of Polymer & Composites · Vol. 11, Issue 12, 2023 · pp. 186–196 Read article
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Microstructural and Mechanical responses of Al6061 alloy matrix composite reinforced with yttria particles
Abstract: The increasing need for materials that can improve the overall performance of automotive and aerospace components has driven the development of composite materials. Aluminium Metal Matrix Composites (AMMC) have become a popular alternative due to their ability to satisfy the changing needs of industries. This study investigates the mechanical characteristics of AMMC (Aluminium Matrix Metal Composite) made using the stir casting method. The study examines the effects of different amounts …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 246–252 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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Progress of Zeolite in Water Softening Treatment
Abstract: In the discourse of water treatment, one naturally stumbles upon zeolite, a versatile mineral that plays a pivotal role in softening water. This indispensable process arises from the abundant presence of divalent ions, notably calcium and magnesium, which are notorious for contributing to water hardness, an issue that manifests as scale build up within crucial components like boiler and heat exchanger pipelines. The prevalence of scale not only compromises the …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 3, 2024 · pp. 45–51 Read article
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Design And Optimization Of High-Speed Array Multiplier
Abstract: An array multiplier is a digital circuit used for the rapid multiplication of binary numbers. It employs an array of logic gates to generate partial products concurrently, significantly enhancing speed. The array structure divides the multiplication task into smaller, parallel processes, allowing for efficient parallel processing of multiple bits. Each cell within the array manages specific bit-level multiplications, and their results are summed to produce the final product. This parallel …
Published in Journal of Microelectronics and Solid State Devices · Vol. 11, Issue 3, 2024 Read article
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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
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Reconfigurable AES Based AEAD For Multi-Mode Operation with Lightweight Compatibility
Abstract: The proposal is for a lightweight, multi-mode, reconfigurable authenticated encryption system with associated data (AEADs) based on AES. It is challenging to effectively integrate different AEADs in hardware because each one has its own mode of operation and/or subfunctions, even though some major AEADs share several basic components (such as the XOR-Encryption-XOR (XEX) scheme, block chaining, and advanced encryption standard (AES). This paper proposes hardware that effectively combines the basic …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 1, 2025 · pp. 54–68 Read article
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The link between electronics and computer science
Abstract: The merging of computer science with electronics has led to major improvements in modern technology, leading to new ideas in areas like embedded systems, the Internet of Things (IoT), artificial intelligence (AI), and robotics. There is a deep and widespread connection between computer science (CS) and electronics. They have a symbiotic relationship in which one subject depends on and improves the other. CS gives systems their intellectual frameworks, algorithms, and …
Published in Journal of VLSI Design Tools and Technology · Vol. 15, Issue 3, 2025 · pp. 11–20 Read article
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Effect of Nanoclay Loading on Physical and Mechanical Properties of Epoxy Composites
Abstract: The effects of multilayer silicate loading on hardness, tensile, and impact properties were examined by developing epoxy–nanoclay composites with 0–5 wt% nanoclay. A desirable compromise between reduced void content and higher Shore D hardness was reached with an ideal nanoclay loading of 3 wt%, which reflected improved load transfer and increased matrix stiffness as a result of limited polymer chain mobility. Tensile strength and modulus rose up to 3 wt% …
Published in International Journal of Advance in Molecular Engineering · Vol. 4, Issue 1, 2026 · pp. 36–45 Read article