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221 articles for “machined surface”
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Optimizing Plasma Cutting Parameters for Thin Mild Steel Sheets of Various Thicknesses
Abstract: Plasma machining was investigated for suitability to cut thin sheets and the quality obtained was assessed. The main objective of this investigation is to machine or cut required Mild steel sheet thicknesses and to determine the surface roughness and MRR values. Traditional cutting techniques have been discovered to be costly in terms of both time and resources. This study may be valuable to car converters, such as firms that make …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 1, Issue 1, 2023 · pp. 23–28 Read article
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Effect of Welding Parameters on Microstructure and Mechanical Properties of Friction Stir Welded AA6061-T6 Joints
Abstract: Friction stir welding is a solid state joining process capable of joining similar and dissimilar materials, initially developed for joining of aluminium alloys. In the present work, the effect of friction stir welding parameters on the microstructure and mechanical properties of aluminium joints is studied. An attempt has been made to investigate the weldability of Al6061-T6 alloy using high speed steel tool in friction stir welding machine. Dye penetration test …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 1, 2019 · pp. 10–16 Read article
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Optimization of Process Parameters for AISI 304 Using Micro-EDM Drilling Process Through Response Surface Method
Abstract: The increasing demand for micro-parts in high-tech products, such as micro-electromechanical systems (MEMS) applications and micro-electronic devices, has driven significant advancements in micromachining technologies. Among the various micromachining processes, the fabrication of accurate microholes and pins is critical for the performance and reliability of miniature components. Micro-hole drilling plays a vital role by enabling the production of deep holes with excellent straightness, roundness, and surface quality. It is widely used …
Published in International Journal of Manufacturing and Production Engineering · Vol. 3, Issue 1, 2025 · pp. 37–47 Read article
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An Experimental Study on Multi-Criteria Parameters Optimization of Process for Al6351/SiC/Gr Metal Matrix Composites Using AHP-TOPSIS Approach
Abstract: This research focuses on optimizing the process parameters of Wire Electrical Discharge Machining (WEDM) for a hybrid Metal Matrix Composite (MMC) comprising Al6351 aluminum alloy reinforced with 4% SiC and 6% graphite (Gr), fabricated via squeeze casting. This technique enables the formation of dense, defect-free composites with uniform reinforcement distribution, enhancing both mechanical properties and structural integrity. Microstructural characterization using Scanning Electron Microscopy (SEM) confirmed the even dispersion and bonding …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 303–319 Read article
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Multi-Sensor System for Underwater Pothole Detection to Enhance Road Safety During Monsoon Seasons
Abstract: Monsoon seasons across India and similar tropical regions severely compromise road safety by causing water accumulation that conceals dangerous potholes beneath stagnant pools, leading to frequent vehicle damage, tire punctures, and fatal accidents. Traditional detection methods relying on smartphone accelerometers, ultrasonic sensors, or machine vision fail under flooded conditions due to acoustic signal reflection at water surfaces and optical distortions from glare and turbidity. This research proposes an innovative multi-sensor …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 4, Issue 1, 2026 · pp. 25–32 Read article
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Experimental Investigation and Optimization of Machining Parameters for Al6351 Alloy Using a Modified Taguchi Approach
Abstract: Machining processes encompass both conventional and non-conventional techniques and optimizing machining parameters is crucial for achieving high-quality outcomes. However, simplifying these processes remains a significant challenge. This study focuses on determining the optimal machining parameters—cutting speed, feed rate, and depth-of-cut to enhance performance characteristics in Al6351 alloy plates. The parameters evaluated include surface roughness (Ra), material removal rate (MRR), resultant forces (RF), and temperature at the tool- workpiece interface (Temp). …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1463–1481 Read article
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Drilling of Composite Materials: A Review
Abstract: In today’s world composites are replacing metals due to their superior properties such as light weight; low wear rate etc. Composites are widely used in automobile, aerospace and aircraft structural components. While drilling composite laminates, because of high hardness, they are difficult to machine, which results in low drilling efficiency and undesirable drilling induced delamination. The present paper is intended to focus on review of various works reported on drilling …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 2, 2015 · pp. 1–10 Read article
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Enhancing Road Safety: A Robotic System for Automatic Pothole Identification and Filling
Abstract: Innovative technologies called automatic pothole detection systems are made to automatically locate and identify potholes on road surfaces. These systems incorporate many components, including sensors such as cameras, LiDAR, and accelerometers, to acquire data on the road conditions. Potholes on roads provide serious risks to passing cars and pedestrians, which can result in collisions, damage to cars, and deterioration of the infrastructure. Automatic pothole detection systems, which make use of …
Published in Journal of Instrumentation Technology & Innovations · Vol. 14, Issue 3, 2024 · pp. 1–6 Read article
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Mathematical Modelling of an Unbalanced Rotor Subjected to Transverse Vibrations
Abstract: The static and dynamic balancing of a rotor plays a very important role in deciding the life-span of any turbo-machinery which is running at a very high speed. The major problems which face during the running of turbo machineries are unbalancing of the rotor. Rotor unbalance may be due to wrong selection of the manufacturing process, method of manufacturing, wear and tear of rotating component, thermal deformations, deposition of material …
Published in Trends in Machine design · Vol. 7, Issue 1, 2020 · pp. 9–16 Read article
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Line Follower Car
Abstract: The line follower car is a machine, or we can say a robot, which follows the visible line on the surface or floor which is simply a black line on a white surface. This kind of a car has the ability to sense the line with the help of the Infrared Ray (IR) sensors which is installed under the car. After that the data which is collected by the sensors …
Published in Journal of Automobile Engineering and Applications · Vol. 7, Issue 3, 2020 · pp. 29–33 Read article
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Development of Water Trash Collector System: A Review
Abstract: A serious garbage crisis has emerged, notably in aquatic bodies, because of rising urbanisation, corruption, and worldwide economic expansion. We have created an automated system for cleaning rivers utilising an Arduino-based floating garbage collector machine to address this problem. The system is fueled by solar energy, allowing for a backup energy supply and water recycling, which helps reduce waste. The system collects plastic and glass bottles and other lightweight floating …
Published in Recent Trends in Fluid Mechanics · Vol. 10, Issue 1, 2023 · pp. 25–30 Read article
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Development of Robot Arm Fingers with Polymer Soft Materials
Abstract: Lightweight soft material applications have attracted attention to Basalt Fiber Reinforced Polymer (BFRP) laminates because of their impressive mechanical characteristics. The impact response and stress-strain behavior of epoxy resin laminates armored with basalt fiber and banana fiber are investigated during this project using computational and experimental approaches. The hand lay-up method was employed to create laminates with a thickness of 3 mm, dimensions of 300x300 mm², and a layout of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 432–439 Read article
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A Systematic Study of AI-Powered Robotics for Ocean Cleanup of Plastics
Abstract: The escalating crisis of plastic pollution in marine ecosystems demands innovative solutions beyond conventional cleanup methods. This paper presents a systematic study of artificial intelligence (AI)-powered robotics for ocean plastic cleanup, evaluating their efficiency, technological advancements, and challenges. Autonomous systems, such as AI-driven surface drones (ASVs), underwater robots (autonomous underwater vehicles/remotely operated vehicles [AUVs/ROVs]), and swarm robotics, leverage machine learning (ML) and computer vision to detect, classify, and collect plastic …
Published in Journal of Advancements in Robotics · Vol. 12, Issue 2, 2025 · pp. 1–10 Read article
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Quantitative Image-Based Assessment of Degradation Patterns in Polymer-Based Medical Implants
Abstract: Polymer-based medical devices are widely used in clinical practice, where long-term material degradation can compromise performance and patient safety. Traditional polymer degradation studies predominantly rely on laboratory-based experiments, which often fail to capture real-world operational and usage conditions. In this study, a multimodal, data-driven framework is proposed for the quantitative assessment of degradation patterns in polymer-based medical devices using publicly available clinical failure data. Structured operational parameters, including cumulative usage …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1510–1518 Read article
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Experimental Investigation on Machining Characteristics of EN19 Alloy Steel Using CNC Vertical Machining Center
Abstract: In this research work, the detailed experimentation investigation was performed for EN19 steel using milling process on CNC VMC. The experimentation strategy has been planned using Taguchi’s L9 orthogonal array, consisting of three process parameters such as cutting speed, feed rate and depth of cut on material removal rate (MRR) and surface roughness (SR). Two different types of end mill cutters (solid carbide and titanium nitride coated carbide end mill) …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 91–101 Read article
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Flexural Strength and Drilling Parameter of Natural Fiber Composites with Usage of Epoxy Resin
Abstract: An attempt that has been made to take use of the advantages offered by natural composite materials in light of the fast advancement of research and development in this field over the course of the previous two decades, from the laboratory to the factory floor. During the manufacturing process of laminates, polymer matrices are used, while cotton, jute, and sisal are utilised as reinforcing materials. Epoxy resin is used to …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 37–45 Read article
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Short Report on Polymer Based Automated Fluid Machines for Applications in Microfluidics
Abstract: In this experimental work, a couple of gradual expansion microchannels are fabricated by polymethylmethacrylate (PMMA) using the maskless lithography, hot embossing lithography and direct bonding technique. Dyed ethylene glycol and dyed water are the prepared working liquids. The CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record each surface-driven microfluidic flow of dyed ethylene glycol and dyed water in the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 2, 2021 · pp. 23–28 Read article
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Optimization of WEDM Process Parameters Using a Hybrid Multi-Criteria Decision Making Approach
Abstract: The effectiveness of the manufactured parts is typically measured by more than one performance characteristics. Hence the manufacturing engineers frequently experience the difficulty in optimizing the multiple responses at a time. The present work is to explore the effect of wire electrical discharge machining (WEDM) process parameters in machining of Aluminum metal matrix composite (AMMC). The multiple performance characteristics of material removal rate (MRR) and surface roughness (Ra) are optimized …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 3, 2018 · pp. 24–30 Read article
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Determination of the optimum conditions for salt bath ferritic Nitrocarburizing process of AISI 1018 Steel using ANOVA method.
Abstract: Industrial modern machinery components such as gears, bolts and shafts are always subjected to continuous frictional wear. From decades' surface treatments are performed to enhance the tribological properties of these components, however use of toxic cyanide salts in the techniques like Nitrocarburizing is a threat to environment. Therefore, another non-toxic surface modification process Sursulf Nitrocarburizing is investigated on AISI 1018 low carbon steel and results were analyzed and optimized using …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 1, 2018 · pp. 1–7 Read article
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Artificial Intelligence for Tracking Cognitive Deviation in Aging Populations: A Comprehensive Review of Techniques, Challenges, and Ethical Concerns
Abstract: Population aging is accelerating worldwide, and with it the burden of cognitive health conditions such as mild cognitive impairment (MCI), Alzheimer’s disease (AD), and dementia. Detecting and monitoring cognitive change early is central to timely intervention, yet conventional diagnostic tools often miss the subtle signals that appear before overt symptoms. Artificial intelligence (AI) has emerged as a promising complement to clinical assessment because it can work through high-dimensional data and …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 16, Issue 2, 2026 · pp. 27–37 Read article