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1976 articles for “MEC” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Determination of the Mechanical Properties of Shape Memory Alloys
Abstract: Shape memory alloys are materials which can be deformed by cooling below a certain critical temperature and then regain their original shape after heating above this critical transition temperature.. Shape memory alloys (SMAs) are a class of functional materials that possess unique thermo mechanical properties, such as shape memory effect (SME), super elasticity (SE), damping, and good fatigue and corrosion resistance, which enable them to become ideal materials for applications …
Published in Journal of Mechatronics and Automation · Vol. 8, Issue 2, 2021 · pp. 1–9 Read article
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Comparison of Mechanical Properties of Resin-based Dental Composites with Different Filler Types
Abstract: The aim of this study was to evaluate in vitro the influence of nano-sized filler particles and agglomerates of nano-particles (nano-cluster)in resin-based dental composite material. Four commercially available resin-based dental composites – Filtek Z250, Filtek Supreme, Filtek Z100 (3M ESPE, St Paul, MN, USA), Heliomolor (Ivoclar Vivadent, Schaon, Liechtenstein) containing different filler particle types and morphologies were investigated. The compressive strength, compressive modulus, flexural modulus and flexural strength of these …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 22–29 Read article
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Mechanical and Micro-structural Properties of Friction Stir Welded Dissimilar Joints of Aluminium Alloys
Abstract: Abstract In this work, the microstructure and mechanical properties of friction stir welded dissimilar joints of 6101-to-6063 aluminium alloys were evaluated. Tool with round pin profile was fabricated of high speed steel material which was suitable for friction stir welding of aluminium alloys. Under monotonic tensile loading, an increase in the joint strength was observed with the increase in the tool rotational speed. The micro-hardness of friction stir zone increased …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 2, 2017 · pp. 16–22 Read article
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Mechanical Behaviour of AISI 204 Cu Metastable Low Nickel Austenitic Stainless Steel Sheets at Various Constantly Maintained Elevated Temperatures
Abstract: Mechanical behaviour of AISI 204 austenitic stainless steel is analyzed at 298-873K and also a comparison with that of AISI 304 is done. Room temperature tensile properties are obtained based on an average of properties evaluated on specimens prepared with specimen length axes at 0°, 45° and 90° to sheet rolling direction. Room temperature flow curves are obtained as a function of nickel content and sheet thickness. High temperature tensile …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 29–36 Read article
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Hybrid effect of nanoperlite and nanoclay on mechanical and rheological properties of low-density polyethylene
Abstract: The effect of two kinds of nanomaterials, nanoclay (NC) and nanoperlite (NP) was studied on morphological, rheological, mechanical and dynamic-mechanical properties of low-density poly ethylene (LDPE). It was found that hybrid nanofiller dispersion in LDPE depended on the type (hybrid or individual form) and in higher extent also on the amount of the nanofiller incorporated. Rheological results revealed that storage modulus and complex viscosity of hybrid nanofiller-filled LDPE nanocomposites increased …
Published in Journal of Polymer & Composites · Vol. 6, Issue 1, 2018 · pp. 32–41 Read article
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STUDIES ON MECHANICAL, OPTICAL AND BARRIER PROPERTIES OF LOW DENSITY POLY ETHYLENE WITH MICRO CLAY
Abstract: LDPE (Low density Poly ethylene) was melt blended with micro clay (0.5, 1, 3 & 5 wt%) by using a twin screw compounding extruder. Tubular blown film was taken using a tubular blown film extruder. Mechanical, optical and barrier properties were evaluated. The following trend was observed as the micro clay concentration was increased: The tensile strength was increased by 18% in machine direction (M/D) and decreased by 36% in …
Published in Journal of Polymer & Composites · Vol. 7, Issue 2, 2019 · pp. 23–31 Read article
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Study the Mechanical Properties of Epoxy Resin Reinforced with Metal OxideNanoparticles
Abstract: In this research the additive effect of (Magnesium Oxide (MgO), Zirconium Oxide (ZrO2), Copper Oxide (CuO)) nanoparticles to epoxy resin as a matrix have been studied, in addition tomanufacturing hybrid composites from the same nanoparticles which are (CuO/ZrO2, MgO/ZrO2) to epoxy resin as a matrix too. The hand lay-up method is using to manufacturing the composites from the epoxy resin and the nanoparticles with different weight ratios((0, 3, 6, 9) …
Published in Journal of Polymer & Composites · Vol. 9, Issue 1, 2021 · pp. 7–12 Read article
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Microstructure and Mechanical Characterization of AA390 and Si3N4 Metal Matrix Composite Using Severe Plastic Deformation
Abstract: Metal matrix composites (MMCs) have significant attention in recent years due to their potential for improved mechanical properties compared to conventional monolithic materials. This study focuses on the microstructure and mechanical characterization of a MMC comprising AA390 aluminum alloy reinforced with Si3N4 particles. The severe plastic deformation (SPD) process, Equal Channel Angular Pressing (ECAP), was employed to fabricate the composite with enhanced mechanical properties. The ECAP method was chosen as …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 17–30 Read article
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Characterization and Mechanical Behavior of Sintered Al-Mg Powders
Abstract: The resolution of the work is to relate the characterization and mechanical properties for argon atomized Al-1wt%Mg powders through and not through lubricant 1 wt% graphite. Pure nitrogen sintering was accomplished and the effect of sintering atmosphere for the mixed Al-1%Mg powder compacts was examined. One weight percent graphite was premixed with the powder as a lubricant for the first set samples. However, no graphite was used for the second …
Published in Trends in Machine design · Vol. 6, Issue 1, 2019 · pp. 1–7 Read article
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Dynamic Balancing of Four-bar Mechanism Using Genetic Algorithm
Abstract: This study is to optimize the design parameters of planar four-bar mechanism using MINI TAB and Genetic Algorithm approach by minimizing shaking force and shaking moments. Using MATLAB, the position, velocity, acceleration, and forces of each link was determined. A set of weighting factors was selected according to the contribution of x and y components of the forces and moments. The regression equation generated by MINI TAB was used as …
Published in Trends in Machine design · Vol. 8, Issue 2, 2021 · pp. 11–20 Read article
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SEMI-AUTOMATIC COW LIFTING MECHANISM
Abstract: There is a great difficulty faced by the farmers due to lack of machinery needed to move cows manually and are struggling much because of the high costs involved in handling the problem. The primary challenge dairy farms face is lifting the cow that has fallen over owing to excess weight gained during pregnancy, a leg injury, or an infection. These cows must be lifted by at least two people, …
Published in Trends in Mechanical Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 20–35 Read article
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Generating Weights for Fuzzy Decision Making Mechanism to Diagnose Heart Disease
Abstract: AbstractHeart disease is one of the diseases spread around the world. It suddenly kills the human community. So use of fuzzy logic to diagnosis the heart disease is essential. So the study was conducted with the following components. They are fuzzification, fuzzy decision making mechanism and defuzzification. The crisp values are changed into fuzzy values by fuzzification. Fuzzy decision making mechanism is based on adaptive neuro fuzzy inference system which …
Published in Journal of Computer Technology & Applications · Vol. 6, Issue 2, 2015 · pp. 7–13 Read article
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Optimization of Thermo-Mechanical Controlled Processing (TMCP) Using Swarm Intelligence
Abstract: In low carbon steel manufacturing, the thermo-mechanical controlled processing (TMCP) has been developed as a grain refinement method that performs a noticeable upgrading in productivity and service performance. Optimizing TMCP by choosing the best strain rate through experiments in labs requires so much effort, time, and cost. In this paper, we developed a new technique based on solving the Zener-Holloman parameter equation via swarm intelligence to get the best strain …
Published in Journal of Computer Technology & Applications · Vol. 14, Issue 1, 2023 · pp. 64–69 Read article
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A Descriptive Study to Assess the Coping Mechanism of Family Members of Alcoholics Admitted in Selected De-Addiction Centers in Meerut, Uttar Pradesh, India
Abstract: Alcoholism is a broad term for problems with alcohol, and is generally used to mean compulsive and uncontrolled consumption of alcoholic beverages, usually to the detriment of the drinker's health, personal relationships, and social standing. Impact of alcohol not only disturbs the physical health of an individual but also the people who are with the individual. Families of alcoholics experience insecurity, delinquency, resentment, financial troubles, isolation and violence. The coping …
Published in Research and Reviews: A Journal of Health Professions · Vol. 5, Issue 3, 2015 · pp. 6–9 Read article
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Effectiveness of Sign Board on Experiences of Mechanically Ventilated Patients Admitted in Selected Hospitals
Abstract: The objective of the study was to assess and compare the experiences of mechanically ventilated patients with and without the use of sign board. 37 conscious mechanically ventilated patients were selected through purposive sampling technique. In view of nature of the problem and to accomplish the objectives of the study, structured mechanical ventilator experience scale was prepared to assess the experiences of patients (in terms of communication of needs/problems) during …
Published in Research and Reviews: A Journal of Medicine · Vol. 4, Issue 3, 2014 · pp. 9–11 Read article
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Production of Oil from Agro Seeds using Mechanothermal Extraction: A Review of Chemical, Pharmaceutical, and Food Applications
Abstract: The increasing demand for sustainable raw materials and renewable industrial resources has intensified research into the extraction of oils from agro seeds for chemical, pharmaceutical, and food applications. Agro-seed oils are valuable due to their biodegradability, nutritional composition, eco-friendliness, and wide industrial applicability. This review examines the production of oil from agro seeds using mechanothermal extraction techniques with emphasis on extraction efficiency, physicochemical characteristics, and industrial utilization. Mechanothermal extraction combines …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 2, 2026 · pp. 09–26 Read article
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Investigation of Mechanical Properties of Jute and Bamboo Natural Fiber Composites
Abstract: Natural fibers have become increasingly popular in recent decades. Natural fiber composites are also becoming increasingly popular in a various industries, including automobiles, furniture, packaging, construction and sports. Natural fibers have several advantages over synthetic fibers, including low cost, low density, reduced damage to processing equipment, good relative mechanical properties, renewability, and biodegradability. Natural fibers were also introduced with the goal of producing lighter composites, and they have shown a …
Published in Journal of Production Research & Management Read article
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Mechanical Properties Investigation of Green Waste Composite Material
Abstract: Widespread accessibility and abundance of natural fibres are driving forces behind renewed focus on eco-friendly solutions. Researchers have recently begun to focus on natural fibres as reinforcement due to their many advantages over more conventional materials. Natural fibre is an attractive ecological and biodegradable alternative to most common glass fibre, synthetic reinforcement, because of its high specific and low cost mechanical capabilities. India is home to a wealth of untapped …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 28–36 Read article
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Quantifying Damage Evolution in Fiber-reinforced Composites Using Fracture Mechanics
Abstract: By evaluating the evolution of damage, such as cracks or delamination, within the material over time or under various loading situations, damage evolution in fiber-reinforced composites can be characterized using fracture mechanics. Fracture mechanics offers a framework for understanding and projecting the behavior of materials that already have damage or flaws. Since they have a high strength-to-weight ratio and unique mechanical qualities, fiber-reinforced composites are essential in many branches of …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 1, Issue 1, 2023 · pp. 26–32 Read article
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Mechanical Characteristics of Naturally Woven Coconut Sheath/Short Sisal Fiber Reinforced Polymer Hybrid Composites
Abstract: This study presents the outcomes of an experimental investigation focusing on the tensile, flexural, impact and water absorption properties of unsaturated polyester resin reinforced with naturally woven coconut sheath and short sisal fibers. Sisal fiber, characterized by its abundance, affordability, degradability, and robust strength, serves as a compelling reinforcement. The naturally woven coconut sheath fibers, discreetly found in the hidden sections of coconut branches, offer an inexpensive, biodegradable option with …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 34–44 Read article