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900 articles for “mechanics”
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MODELLING OF SAW PARAMETERS AND ITS MECHANICAL PROPERTIES FOR JOINING STRUCTURAL STEELS
Abstract: Ethiopia nearly 85 per cent of people is morality depends on agriculture; the government of Ethiopia emphasis on Farm Mechanization for bringing the improvement in crop production using modern equipment and tools. However, the Modern equipment development needs improved machineries for fabrication. Moreover, the metal joining technology; like Submerged Arc Welding (SAW) available is very advance and made welding of thicker plats and welded structures. Therefore, while using this modern …
Published in International Journal of Polymer Science and Engineering · Vol. 4, Issue 2, 2018 · pp. 34–43 Read article
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A Literature Review on the Mechanical Properties of Banana Fiber Reinforced Polymer Composites
Abstract: The usage of composite materials and environmental contamination, as well as the utilization of renewable and biodegradable resources, are closely intertwined in today's rapidly developing world. An environmental researcher is hunting for sustainable materials. The forms and sizes of both natural and synthetic fibers are diverse. Researchers, engineers, and scientists have recently become interested in natural fibers as an alternative reinforcement for fiber-reinforced polymer composites. They are used to replace …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 1–12 Read article
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Analysis of Mechanical Attributes of Nano clay Reinforced Polymer Composites
Abstract: Composite material provide a Higher and unique mechanical and physical attributes because of its combines the most unique attributes of its composition while underlying their least advantageous attributes . Composites have been widely used in various application starting from aerospace , Manufacturing plants , Electrical equipment's , Marine , Automotive ,Civil Infrastructure , Corrosive Environment’s ,Whereas the Epoxy which are the cured components of two chemical functional group namely polyepoxides …
Published in International Journal of Manufacturing and Materials Processing · Vol. 7, Issue 1, 2021 Read article
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Effectiveness of Nursing Care Bundle on Prevention of Ventilator-Associated Pneumonia Among Mechanically Ventilated Patients Admitted in Selected Hospitals, Erode, Tamil Nadu – Pilot Study
Abstract: Background: Pneumonia is another most mutual nosocomial poison in critically ill patients in the United States and is related with high humanity and morbidity. 86% of nosocomial pneumonias are connected with motorized ventilation and are named ventilators associated pneumonia. Objectives: To assess the effectiveness of nursing care bundle on prevention of ventilator associated pneumonia (VAP) among mechanically ventilated patients. Design: Quasi experimental design where nonequivalent control group design was adopted …
Published in International Journal of Nursing Critical Care · Vol. 4, Issue 1, 2018 · pp. 19–27 Read article
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Effectiveness of the ABCDE Bundle on ICU-acquired Delirium and Weakness among Mechanically Ventilated Patients
Abstract: Background: The ABCDE bundle integrates evidence-based practice to improve and conservepatients’ physical, and neurocognitive status through awakening and breathing coordination,delirium assessment, and mobility. Aim of the study: to examine the effectiveness of ABCDE bundle onICU-acquired delirium and weakness among mechanical ventilation (MV) patients. Setting: TheSurgical Intensive Care Unit (SICU) at Menoufia University Hospital. Sample: A convenient sampleof 100 mechanically ventilated patients who were admitted to the SICU. Design: A quasi-experimental …
Published in International Journal of Nursing Critical Care · Vol. 7, Issue 2, 2021 · pp. 11–21 Read article
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Effect of Abdominal Massage on the Gastric Residual Volume in Mechanically Ventilated Patients on Nasogastric Tube Feeding Admitted in ICUs of Tertiary Care Hospital
Abstract: Enteral nutrition intolerance entails several complications such as increased gastric residual volume, diarrhea, constipation, vomiting, and abdominal distension. The large quantity of Gastric Residual Volume may leads to aspiration of stomach contents, abdomen distension and ventilator associated pneumonia (VAP). Abdominal massage or rubbing therapy is one of the applicable and effective techniques that can be useful to increase the digestive system motility, enhance the intestinal activity and decrease intra-abdominal pressure …
Published in International Journal of Nursing Critical Care · Vol. 8, Issue 2, 2022 · pp. 23–29 Read article
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Nu Cycle: Revolutionizing Bicycles with Chainless Innovation
Abstract: Introduced by Nu Cycle, a groundbreaking change in biking is facilitated through its chainless design. This research explores the enhancement of biking through reduced maintenance needs, improved efficiency, and an eco-friendlier option. The technical aspects, materials used, and user experiences are delved into. Unlike a standard bike where you pedal in a circular motion, the Nu Cycle utilizes vertical levers instead of cranks. This allows for a straighter leg movement, …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 1, 2024 · pp. 40–45 Read article
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Mechanistic Insights into Solvent-Controlled Stepwise and Concerted Cycloadditions of the Propadienyl Cation with Oxoamides: A DFT Study
Abstract: AbstractOxazoles constitute an important class of heterocycles with widespread applications in medicinal chemistry and materials science, yet the mechanistic features governing their formation via cationic cycloaddition reactions remain incompletely understood. In this work, we present a comprehensive density functional theory (DFT) investigation into the reaction between the propadienyl cation and oxoamides as a model system for oxazole ring formation. Using the CAM-B3LYP/6–31+G(d,p) level of theory, we systematically compare gas-phase reactivity …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 12, Issue 1, 2026 · pp. 8–17 Read article
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Hybrid ABS & CF-ABS FDM Printing Tensile Components: A Comprehensive Review and a Novel Taguchi–FEA Based Methodology Framework for Mechanical Optimization
Abstract: Abstract An experimental–numerical strategy and a critical literature survey were addressed to tackle the tensile response of hybrid Acrylonitrile Butadiene Styrene (ABS) and Carbon Fiber–reinforced ABS (CF-ABS) parts manufactured by Fused Deposition Modeling (FDM). The study employed a systematic literature synthesis to identify material challenges, reinforcement compromises and important process parameters that impact anisotropy as well as interlayer bonding. Dual-material tensile samples based on an Automatic Material System (AMS) printer …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 12, Issue 1, 2026 · pp. 1–27 Read article
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Hybrid ABS & CF-ABS FDM Printing Tensile Components: A Comprehensive Review and a Novel Taguchi–FEA Based Methodology Framework for Mechanical Optimization
Abstract: Abstract An experimental–numerical strategy and a critical literature survey were addressed to tackle the tensile response of hybrid Acrylonitrile Butadiene Styrene (ABS) and Carbon Fiber–reinforced ABS (CF-ABS) parts manufactured by Fused Deposition Modeling (FDM). The study employed a systematic literature synthesis to identify material challenges, reinforcement compromises and important process parameters that impact anisotropy as well as interlayer bonding. Dual-material tensile samples based on an Automatic Material System (AMS) printer …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 12, Issue 1, 2026 · pp. 1–5 Read article
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Impact of Cryogenic Temperatures on the Mechanical and Thermal Properties of Polymers and Composites
Abstract: The development of lightweight, high-performance materials for use in cryogenic environments is crucial for advanced applications in aerospace, energy storage, and industrial sectors. This study explores the thermodynamic and mechanical behavior of fiber-reinforced polymers and composite materials under extremely low-temperature conditions. The cryogenic performance of these materials, including their thermal stress resistance and impact properties, was assessed with a focus on polymer fragility and the durability of composites at temperatures …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 7–12 Read article
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Influence of Different Quenching Media on the Mechanical Properties of Mild Steel – A Case Study of Coconut Oil, Mineral Oil, Jatropha Oil, and Water
Abstract: This study elucidates how local cooling agents, such as coconut oil and jatropha oil, influence the mechanical characteristics of heat-treated mild steel. Tensile testing, Brinell hardness testing, and microstructural analysis were conducted on both heat-treated and untreated samples. The results show observable differences in the heat-treated materials’ mechanical characteristics. Specifically, the yield strength increased across all quenched media, while the ultimate tensile strength decreased for samples cooled with coconut oil …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 1–8 Read article
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Exploring the Utilization of Bakelite Waste as a Partial Coarse Aggregate Replacement in Concrete: An Assessment of Mechanical Properties and Durability
Abstract: Abstract The burgeoning challenge of plastic waste management has prompted researchers to seek sustainable alternatives within various sectors, particularly in the construction industry, which is a significant consumer of raw materials. This study thoroughly investigates the viability of incorporating Bakelite waste, a type of thermosetting plastic known for its durability and resistance to degradation, as a partial replacement for coarse aggregates in concrete formulations. Concrete mixtures were meticulously designed with …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 6–10 Read article
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Kinetics and Mechanisms of the Reduction of Some Carbonyl Compounds with Sodium Dithionite in Aqueous Alkaline Medium
Abstract: Kinetics of the reduction of some carbonyl compounds (acetophenone, benzophenone, benzaldehyde, and salicylaldehyde) with sodium dithionite was studied at 28± 0.5oC and basic concentration in the range of 0.01 to 0.05 mol dm-3 (NaHCO3). Under these conditions, the reaction rates were found to be first order with respect to sodium dithionite as plot of log kobs versus log [S2O42-] showed linearity to about 95% extent of reaction, however, the overall …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 2, Issue 2, 2016 · pp. 11–19 Read article
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A Study on Mechanical Properties and Fracture Behavior of Chopped Fiber Reinforced Self-Compacting Concrete
Abstract: The development of self-compacting concrete (SCC) is innovatory landmark in the history of construction industry resulting in predominant usage of SCC worldwide nowadays. It has many advantages over normal concrete in terms of enhancement in productivity, reduction in labor and overall cost, excellent finished product with excellent mechanical response and durability. Further, incorporation of fibers enhances its properties specially related to post crack behavior of SCC. Hence, the aim of …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 1, 2017 · pp. 90–122 Read article
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Mechanical Behavior of Fly Ash Concrete A Critical Review
Abstract: Concrete structure is the most common all over the world. Cement is the major ingredient of concrete. Though the raw materials needed for manufacture of cement are available in most parts of the world, many countries have severe shortage of cement, although their needs are vast. The search for suitable substitute for cement, either partially or fully, has thus become a challenge for planning the development of many of the …
Published in International Journal of Concrete Technology · Vol. 7, Issue 1, 2021 · pp. 29–43 Read article
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Rectangular Microstrip Antenna Design and Analysis for Exposure System at 900 MHz with Different Feeding Mechanism
Abstract: Microstrip antennas widely used in defence applications, in aircrafts and in applications where narrow bandwidth is required. In this work an antenna is designed with 3 different feeding mechanisms. The feeding mechanism is used to provide the path for the flow of current from the source. The three different feeds are Line feed, Quarter wave transformer feed and Inset feed. The rectangular microstrip patch antenna designed at 900 MHz and …
Published in International Journal of Microwave Engineering and Technology · Vol. 2, Issue 1, 2016 · pp. 7–19 Read article
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Mechanical properties of Al-Si17Cu3.5Mg0.8 alloy fabricated by stir casting with UV and new CRSS casting process with and without T6 condition
Abstract: Aluminum-Silicon metal matrix composites are the popular materials in the vast majority of the car and modern industries on account of their low weight, high mechanical properties, and incredible wear opposition properties. In the present study, Al-Si17Cu3.5Mg0.8 alloy is fabricated by two casting processes such as stir casting with ultrasonic vibrations (RSC) and merged-rheo-stir-squeeze (CRSS) casting with and without heat treated (T6) condition. Microstructural and material characterization was explored by …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 1, 2020 · pp. 15–24 Read article
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Corrosion Resistance in Modern Metallurgical Alloys: Mechanisms & Mitigation Strategies
Abstract: Corrosion resistance in metallurgical alloys is a critical factor in their application across various industries, including aerospace, automotive, marine, and construction. This paper delves into the fundamental mechanisms of corrosion, such as galvanic, pitting, crevice, intergranular, and stress corrosion cracking, which significantly affect the longevity and reliability of alloys. It explores the intrinsic and extrinsic factors influencing corrosion behavior, including alloy composition, microstructure, environmental conditions, and mechanical stresses. Advancements in …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 30–34 Read article
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Physico-mechanical, and Biodegradation Properties of Polyethylene/Food Polysaccharide Blends
Abstract: Hydrophilic/polar and hydrophobic/non-polar materials do not blend well, which causes issues in the production of biodegradable plastic. Plasticizer (glycerol) was one of the components added to the mixture to increase compatibility between the two materials; this also made the film less brittle. The purpose of this study is to look at how different food polysaccharide contents affect the physico-mechanical, and biodegradation characteristics of novel polymeric-based bio-composite films made from low-density …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 1–13 Read article