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904 articles for “mechanics”
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Enhancing Concrete Sustainability: A Critical Review of Recycled Aggregate Practices
Abstract: The surge in construction material demand, propelled by urbanization, necessitates sustainable wastemanagement strategies. Recycling demolished waste into concrete has gained prominence due toenvironmental concerns and resource depletion. This review consolidates insights gleaned fromvarious studies on the utilization of recycled coarse aggregates (RCA) in concrete. Investigationsreveal that water absorption in RCA depends on adhered mortar quality, impacting mechanicalproperties. Various alternative materials and their mechanical performance are explored, highlightingtheir superiority. Studies emphasize …
Published in International Journal of Construction Engineering and Planning · Vol. 10, Issue 1, 2024 · pp. 7–13 Read article
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Analytical Modeling and Simulation of Helical Gear Systems for Improved Load Distribution
Abstract: An analytical modeling and simulation methodology to improving load distribution in helical gear systems is presented in this research study. Fundamental parts of many mechanical systems, helical gears provide the benefits of smooth engagement, lower noise levels, and increased weight bearing capability. However, retaining lifespan and dependability in gear systems requires establishing regular load distribution throughout the gear teeth. This work explores the parameters influencing load distribution and suggests strategies …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 10, Issue 1, 2024 · pp. 1–10 Read article
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A Review on Steel Metallurgy
Abstract: Steel is mostly manufactured in the manufacturing industries and it is nearly ninety percent due to its extremely higher strength and high toughness. This review paper discusses on the classification of steels, steel as a potential engineering material, mechanical properties and fabrication properties of steels. It also explains on its applications, low alloy steels groups and its properties. This review article also discusses on special steels like micro alloyed steels, …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 1, 2024 · pp. 1–6 Read article
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In Vitro Evaluation of Bioremediation Capacity of a Commercial Probiotic, Bacillus clausii, for Chromium (VI) and Lead (II) Toxicity
Abstract: Heavy metals cause disastrous effects on any living organisms. Probiotics have the ability to reduce metal toxicity. Commercial probiotics having bioremediation capacity can use these bacteria as an alternative to conventional remediation methods. The bioaccumulation of heavy metals including chromium (VI) (Cr [VI]) and lead (II) (Pb [II]) causes fatal toxicity in humans. Some naturally occurring bacterial species, such as Bacillus and Pseudomonas, contribute their role in bioremediation of these …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 2, 2018 · pp. 1–16 Read article
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Classification of Microvalves ---- A Review
Abstract: Miniaturization of microvalves is required in many microfluidic applications towards the commercial standards. As examples, the applications of microvalves are flow regulation and on/off switching. Microvalves are primarily divided into active microvalves and passive microvalves according to their working principles. These microvalves may be involved with mechanical systems, non-mechanical systems and external systems. This educational short review is authored as the study material for proposed elective-course on Microfluidics (M.Tech, Theory) …
Published in International Journal of Chemical Separation Technology · Vol. 4, Issue 1, 2018 · pp. 16–18 Read article
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Fabrication and Characterization of Paper-Sludge Reinforced Polypropylene Composites
Abstract: The purpose of this research was to identify some physical and mechanical characteristics of polypropylene (PP) composites reinforced using various paper sludge (PS) and PP combinations, as well as to assess the performance of the coupling agent. The physico-chemical characteristics of the waste sludge material from paper manufacturing wastewater treatment sludge (PS) were investigated. The physical and mechanical properties of the composite were examined in the experiment using three levels …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 2, 2022 · pp. 15–26 Read article
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Investigation on Temperature Control of Boiler using Cascaded Proportional Integral Derivative (PID)
Abstract: Investigation was carried out to demonstrate the PID control mechanism of boiler using cascaded techniques to examine the tank temperature and the amplitude value of model developed without controller and model developed with controller. The influence of temperature was monitored and the effect examined with variation in amplitude. The obtained data from the investigation reveals the significant of temperature variation on the boiler control mechanism especially using Cascaded Proportional Integral …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 43–50 Read article
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The Power of Chemical Modeling: Unveiling Molecular Behavior
Abstract: Chemical modeling has developed as a strong tool for deciphering the complicated behavior of atoms at both the molecular and atomic scales. Researchers can simulate and comprehend the complex dynamics and properties of chemical systems by combining ideas from physics, chemistry, and computer science. The importance of chemical modeling in studying molecular behavior and demonstrates its transformative ability in a variety of scientific disciplines. Chemical modeling, using advanced computational approaches, …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 9–13 Read article
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OPTIMIZING MAGNETIC BEHAVIOR OF NANO-CRYSTALLINE CO2CrAl TYPE HEUSLER ALLOY POWDER USING RESPONSE SURFACE METHODOLOGY
Abstract: In the present work, Co2CrAl heusler alloy powder prepared successfully from premix basic powders of Cobalt (Co), Chromium (Cr) and Aluminium (Al) in stoichiometric of 60Co-26Cr-14Al (weight %) by novelistic mechano-chemical route. Mgnetic properties of mechanically alloyed powders were characterized by vibrating sample magnetometer (VSM). The performed experiment has been designed on the basis of 2 factor 5 level response surface methodology. Experimental results were used to develop a mathematical …
Published in International Journal of Energetic Materials · Vol. 6, Issue 1, 2020 · pp. 7–13 Read article
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An Advanced Nanomaterials Production in Microgravity
Abstract: Nanomaterials are matrices, containing nano sized particles. The presence of nanoparticles in the matrix leads to a sharp change in the properties of the resulting nanomaterial for the better, including mechanical strength, impact strength, electrical or thermal conductivity. Today, nanocomposites are obtained by laser decomposition of an aerosol solution of ferrocene in toluene, which results in the formation of a nanocomposite containing amorphous carbon nanoparticles and isolated iron-based nanoparticles in …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 9, Issue 1, 2023 · pp. 30–34 Read article
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Plant-drive Waste Fiber Reinforced Thermoplastic Composites: Modification of Fiber Surface Treatment
Abstract: Plant fibers are being utilized more frequently to create polymer composite parts for the aerospace, construction, and automotive industries. The increased awareness of the toxicity of synthetic fibers is what has caused a rise in the use of plant fibers across a variety of industries. It is crucial to emphasize that "Earth needs humans, not humans need earth," hence decision-makers and researchers are working to replace conventional materials with eco-friendly …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 14–23 Read article
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An Overview of Ceramic Matrix Composite
Abstract: Ceramic materials often exhibit a combination of useful physical and mechanical properties, including high refractoriness, but their applications are restricted due to their brittle behaviour; in an attempt to improve the strength, and particularly the toughness, of brittle ceramics particle-strengthening and fibre-reinforcement have been utilized, with limited success. The factors which affect the mechanical properties of these composite systems are discussed, and the various experimental systems that have been investigated …
Published in International Journal of Composite Materials and Matrices · Vol. 3, Issue 1, 2017 · pp. 23–26 Read article
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Thermal Analysis of I.C. Engine Poppet Valve Using FEM: A Review
Abstract: Abstract: Inlet and outlet valves in I.C. Engines are referred to as poppet valves. These valves are operated by the valve mechanism. When these valves are uncovered to the heat thermal stresses are evolved in order that thermal evaluation is very important to predicting and stopping failures in valves. The foremost position of the valve train is to ensure the gases change manner for all the engine speeds. The valve …
Published in International Journal of Composite Materials and Matrices · Vol. 4, Issue 1, 2018 · pp. 30–37 Read article
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Experimental Analysis and Effect of Fiber Surface Modifications on the Properties of Plant-Drive Fiber Reinforced Polymer Composites
Abstract: Global challenges of today center on ways to combat global warming while reducing the rate at which fossil fuels are depleted through the use of environmentally friendly, biodegradable products. This work envisions the use of vetiver fiber (VF) as a reinforcement material in composite material construction, since the scientific literature advocates alternative materials for plastics. Based on the fiber composition of the fibers, the effects of various chemical treatments on …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 2, 2023 · pp. 46–57 Read article
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Fracture and crack propagations in plates - A review
Abstract: The development and applications of the boundary based finite element technique for fractured mechanics analysis are reviewed. Also, some researchers used the complex variable method and least boundary allocation method. In this method, most researcher investigated the 2-D isotropic, anisotropic and orthotropic materials for makes different types of plate such like this rectangular and circular with various cracks and hole cut-outs and these plates are used different types of bi-axial …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 1, 2018 · pp. 1–14 Read article
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An Optimized Design of the Standard Manual Wheelchair
Abstract: The manual wheelchair is commonly found in hospitals, rehabilitation centers, senior housing and airports for allowing patients, people with physical disabilities or for elderly people. Transferring mishaps are one of the major causes for injuries. Moreover, all the transferring actions between wheelchair and other surfaces are difficult for wheelchair users. This project is aimed at optimizing the existing design of a standard manual wheelchair by introducing a height adjusting mechanism …
Published in International Journal of Mechanics and Design · Vol. 5, Issue 2, 2019 · pp. 1–10 Read article
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Power and Precision Combined: Innovating the Grinding Industry with a Hybrid-Powered Grinding Mill
Abstract: In the present technology, Mechanical energy is used to operate grinding machines. Grinding machine is used to grind different types of materials. The sustainable source of energy is electric power. This assignment provides a clearer conceptualization of how to start up a modest sharpening machinery enterprise. This technique functions as a backup power source in areas without electric and when a single person only needs only a small quantity of …
Published in International Journal of Mechanics and Design · Vol. 9, Issue 1, 2023 · pp. 42–53 Read article
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Review on Recent Trends in Laser Assisted Machining of Hard to Cut Materials
Abstract: Laser-assisted machining (LAM), an alternative method of fabricating hard-to-machine materials, like ceramics, composites, Titanium alloy, Nickel based alloy are being developed and widely utilized in aerospace, automotive, medical and nuclear industries due to their special properties. These materials posing many challenges when machined with the help of Conventional methods of machining. Conventional methods of machining these materials are found to be uneconomical. Among the various external energy assisted machining methods, …
Published in International Journal of Manufacturing and Materials Processing · Vol. 7, Issue 2, 2021 · pp. 49–57 Read article
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Graphene and Carbon Nanotube-PLA Composite Feedstock Filament for Fused Deposition Modelling:Review
Abstract: 3D printing or AM has revolutionized the way of manufacturing by designing complex structure in atomized features which cannot be realized by conventional processing method. Many are adopting Additive Manufacturing over traditional method to manufacture sophisticate products from single or composite material. 3D printing has a demerit that the mechanical properties of product suffer. To address this problem, this study is conducted for development of improved and sustainable feedback material …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 22–26 Read article
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An Optimized Design of the Standard Manual Wheelchair
Abstract: The manual wheel chair is commonly found in hospitals, rehabilitation centres, senior housing and airports for allowing patients, people with physical disabilities or for elderly people. Transferring mishaps are one of the major causes for injuries. Moreover, all the transferring actions between wheelchair and other surfaces are difficult for wheelchair users. This project is aimed at optimizing the existing design of a standard manual wheelchair by introducing a height adjusting …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 2, 2020 · pp. 1–9 Read article