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308 articles for “Joints”
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Analysis of Seismic Response of 3-D Steel Frame
Abstract: It is of critical importance that the structures that need seismic retrofitting are correctly identified, and an optimal retrofitting is conducted in a cost-effective fashion. Among the retrofitting techniques available, steel braces can be considered as one of the most efficient solution for seismic performance upgrading of RC frame structures. This paper investigates the seismic behavior of 3D-steel frame with different type of bracings for seismic loading condition corresponding to …
Published in Journal of Geotechnical Engineering · Vol. 2, Issue 2, 2015 · pp. 6–14 Read article
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ENHANCED TECHNIQUE FOR HYDRAULIC FRACTURING PROCEDURE IN FRACTURED ROCK MASS
Abstract: Notwithstanding the broad hypothetical work about hydraulic fracturing technique for estimation of stresses in rock mass, the experimental work has so far been restricted, particularly on account of its legitimacy in fractured rocks. Much work has been completed about the induced fractures created by hydraulic fracturing tests, however not on the impact of previously existing fractures and joints and their impact. When a fracture has been originated at the borehole …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 1, 2022 · pp. 39–44 Read article
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Analysis of Industrial Steel Structures with Semi Rigid Connections
Abstract: In this paper, an industrial structure of dimensions 23.75 x 16.25 m with 5 bays and 3 bays horizontally and height of 9.60m is analyzed to compare its behavior for the different partial moment release conditions. Initially, the industrial structure modeled using STAAD, then the foundation and column is assumed as pin jointed, tapered property sections assigned for beams and columns, applied self-weight, live load, wind load and load combinations …
Published in Journal of Industrial Safety Engineering · Vol. 6, Issue 1, 2019 · pp. 1–6 Read article
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Optimizing Fusion Zone Grain Size, Hardness and Tensile Strength of Micro Plasma Arc Welded Titanium (Ti-6Al-4V) Alloy Using Grey Relational Analysis
Abstract: In the present work, Titanium (Ti-6Al-4V) alloy sheet of 0.5 mm thick is butt welded using Micro Plasma Arc Welding. Welding input parameters like peak current, base current, pulse rate and pulse width are considered and output responses like fusion zone grain size, hardness and ultimate tensile strength of the welded joint are considered. Taguchi L25 orthogonal matrix is adopted by considering four factors and five levels of weld input …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 2, 2018 · pp. 21–33 Read article
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Squat Angle Detection Instrument for Powerlifting Sport
Abstract: Squat exercise in powerlifting is prominent for building lower limb muscles of the body which issupported on the feet and the knee is bent so that the buttocks rest on the heel. Powerlifting Squatrequires the lifter to squat down until “the top surface of the legs at the hip joint is lower than the topof the knees”. In powerlifting, the qualifying weight for a squat must be 90 kg or …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 1, 2023 · pp. 40–51 Read article
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Multi-Module Intelligent Wheelchair
Abstract: In this modern world, automation turned into the essential reason for any new gadget. In the vast majority of the gadgets and types of equipment, MEMS go about as a compelling mix according to necessities. MEMS and sensor based wheelchair in particular “IntelliWheelZ” that gives the distinctively capable individuals with an answer for self-sufficient motion both at indoor and open air conditions. IntelliWheelZ is a minimal effort multi-segmental battery worked …
Published in Journal of Mechatronics and Automation · Vol. 3, Issue 3, 2016 · pp. 18–26 Read article
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A Review: Distortion Control in 20MnMoNi55 Material Using GTAW and SAW Process
Abstract: Gas tungsten arc welding (GTAW) is high quality and high precision welding process which is suitable for welding thin metals. Inert gases such as helium and argon, carbon dioxide, nitrogen etc. are used as shielding gases to prevent the weld bead from air, dust and other contaminations in welding. There are so many welding process parameters affecting the weld quality in GTAW. Important process parameters which mainly affect the weld …
Published in Journal of Mechatronics and Automation · Vol. 3, Issue 3, 2016 · pp. 34–38 Read article
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Experimental Investigation of Flexural Strength and Impact Strength of Friction Stir Welded Ultrahigh Molecular Weight Polyethylene (UHMWPE)
Abstract: Friction stir welding (FSW) is a solid-state process in joining thermoplastic materials. Polymers are engineering materials used for future technological development as the polymer processing and fabrication techniques have developed plastic products and components in major industries. Utilization of ultrahigh molecular weight polyethylene (UHMWPE) material in engineering structures has increased because of its low weight, high specific strength, chemical resistance, design flexibility, corrosion resistance and reduced manufacturing costs. In present …
Published in Journal of Mechatronics and Automation · Vol. 2, Issue 3, 2015 · pp. 8–15 Read article
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Study: Internet of Things
Abstract: This paper gives a brief analysis of different applications based on Internet of Things (IoT)s. This explains about how internet of things evolved from mobile computing and ubiquitous computing. With the help of IOT gradually evolving as the subsequent phase of the evolution of the internet, it becomes crucial to find the various potential domains for IOT, and the research challenges that are associated with various applications. It gives the …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 1, 2021 · pp. 1–5 Read article
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Selection and Mechanism of using active gas in GTAW Process – A review
Abstract: Gas tungsten arc welding process is known for its good quality welds. However, the lack of penetration of the process leads to low productivity. Many techniques have been implemented in the past to improve the joint penetration and thereby the productivity of GTAW process. In one of the technique, active gas like Carbon dioxide, Nitrogen or Oxygen is used in some proportion along with the inert gas. This addition of …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 49–61 Read article
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Corrosion behavior of Friction stir welded aluminum alloys: A review
Abstract: A review on corrosion behavior of Friction Stir Welded aluminum alloys has been presented. Objective of the work is to discuss the behavior of Friction Stir Welded aluminum alloys under chloride environment. The variation of corrosion potential and corrosion rate for the welded portion and base metal and within the welded region for various zones like weld nugget, HAZ and TMAZ has been studied. Alloys of series 2XXX, 5XXX, 6XXX …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 1, 2019 · pp. 20–26 Read article
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Effect of Pin Profile on Microstructure and Mechanical Properties of Friction Stir Welded AZ31B Magnesium Alloy
Abstract: Friction Stir Welding (FSW) is a solid state welding technique which was developed primarily for joining soft metal alloys. The aim of the present work was to develop a defect free friction stir joint of magnesium AZ31B sheets and to investigate the microstructural and mechanical properties of the weld. Two types of tool pins namely cylindrical and truncated conical pin profiled tools have been used to analyze its effect on …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 3, 2016 · pp. 1–11 Read article
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An Investigation on Effect of Welding Current Mode on Weld Quality Characteristics of Microplasma Arc Welding of Inconel 625 Sheets
Abstract: Nickel alloys have gathered wide acceptance in the fabrication of components, which require high temperature resistance and corrosion resistance, such as metal bellows used in expansion joints in aircraft, aerospace and petroleum industry. In case of single-pass welding of thinner sections of this alloy, pulsed current microplasma arc welding was found beneficial due to its advantages over the conventional continuous current process. The paper focuses on studying the effect of …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 2, 2013 · pp. 8–13 Read article
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Optimizating Pitting Corrosion in 3.5 N NaCl Medium of Pulsed Current Micro Plasma Arc Welded AISI 304L Sheets Using Genetic Algorithm
Abstract: Austenitic stainless steel sheets have gathered wide acceptance in the fabrication of components, which require high temperature resistance and corrosion resistance, such as metal bellows used in expansion joints in aircraft, aerospace and petroleum industry. In case of single pass welding of thinner sections of this alloy, pulsed current micro plasma arc welding (PCMPAW) was found beneficial due to its advantages over the conventional continuous current process. This paper highlights …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 132–142 Read article
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Investigation on pitting corrosion rate of Micro Plasma Arc Welded Titanium (Ti-6Al-4V) alloy sheets in KBr solution using TOPSIS
Abstract: Titanium is having good anti-corrosion properties in both basic and acidic medium. However, when it is subjected to severer heating processing like welding, there is a possibility of corrosion formation at the weld joint. In the present work Pulsed current MPAW is used for joining 0.5 mm thick Titanium (Ti-6Al-4V) alloy sheets. Peak Current, Base Current, Pulse Rate and Pulse Width are considered as input parameters and fusion zone corrosion …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 37–53 Read article
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A Review on Metal Inert Gas Welding of Dissimilar Steels
Abstract: Joining of dissimilar metals has found its use extensively in power generation, electronic, nuclear reactors, petrochemical and chemical industries due to environmental concerns, energy saving, high performance, cost saving and so on. However efficient welding of dissimilar metals has posed a major challenge due to difference in thermal, mechanical and chemical properties of the materials to be joined under a common welding condition. This causes a steep gradient of the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 1, 2020 · pp. 1–15 Read article
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The advanced bioceramics production using process of vibroturbulization
Abstract: Currently, bioceramics are widely used in medicine as dental and bone implants. Surgical bioceramics are used regularly. Joint replacements are usually coated with bioceramics materials to reduce wear and tear and inflammation. Pacemakers, kidney dialysis equipment, and respirators are more instances of bioceramics being used in the medical field. The production process of bioceramics consists of the following four main steps: preparation of powder with a grain size of not …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 2, 2022 · pp. 10–13 Read article
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Metal Complexes of Cephalexin and Their Biological Activities: A Review
Abstract: Cephalexin and its derivatives are commonly utilized in the pharmaceutical and medicinal industry due to their biological and pharmaceutical activities, including anti-microbial, anti-cancer, anti-bacterial, and herbicidal activities as well as possessing high palatability and being useful for skin and joint infections. Interestingly, some organic drugs, including cephalexin, which exhibit toxicological and pharmacological properties, can be administered in forms of metal complexes. Many researchers have synthesized organic ligands derived from cephalexin …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 52–61 Read article
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Evolution of Protection Coordination Methods in Power Distribution Systems: A review
Abstract: This comprehensive paper presents a broad-ranging exploration of the multifaceted challenges inherent in coordinating over-current relays within distributed generation (DG) systems in the context of power grids. Within these systems, the pivotal roles of both protective devices and the overarching protection system are highlighted, emphasizing their joint responsibility in detecting short-circuit currents and swiftly isolating faulty components. The primary objective of this protection coordination is to ensure the meticulous selection …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 3, 2023 · pp. 9–16 Read article
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Challenges and Prospects of the Use of Horizontal Directional Drilling Techniques for Laying Oil and Gas Pipelines in Nigeria
Abstract: Nigeria pipelines, especially the petroleum and petroleum product pipelines are always vandalized by the sabotage. Huge amount of money is expended to put the damaged pipeline in good shape; and petroleum and petroleum product transfer is sometimes hampered due to leakages and damages caused by the oil thieves. Also huge money is being budgeted yearly to secure the pipelines. To combat this problem, horizontal directional drilling (HDD) is being proposed. …
Published in Journal of Petroleum Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 9–20 Read article