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Publications (97)
Drilling is one of the fundamental processes necessary in the production of numerous components, and selecting the best drilling parameters is critical for producing high-quality holes. The goal of this study is to synthesize B4C (2 wt%) and SiC (2%, 4%, and 6% wt%) reinforced aluminum alloy (Al7075) hybrid composites by stir casting and to analyse...
Epoxidized vegetable oils present a viable substitute for polymers derived from petroleum. This research focuses on the impact of a process parameter on the epoxidation of palm stearin when zeolite ZSM-5 is used as a catalyst. This study synthesized peracetic acid as the oxidizing agent by combining hydrogen peroxide and acetic acid, adjusting mola...
The increasing importance of dissimilar lightweight metal joints is crucial for advancing aerospace and automotive technologies, where aluminum (Al) and magnesium (Mg) alloys offer an ideal balance of strength and weight. However, the challenges associated with joining these dissimilar metals necessitate innovative solutions. This study explores th...
This study examines the machining characteristics of sintered aluminium composites, including Al+6% SiC and Al+4% SiC+2% B4C, utilising electrical discharge machining (EDM) by changing the input machining factors like current (C) in amperes, Pulse-OFF and Pulse-ON time in μs, at three distinct levels. The L9 Orthogonal array was employed to examine...
This research work focuses on the impact of various groove pattern, groove depth, and their combination on SAE 1018 mild steel rod friction welded mechanical properties. SAE 1018 steel was used, with a modified vertical milling machine with parameters of the Taguchi's L9 Orthogonal array used in the welding process. The groove pattern and groove de...
This experiment investigated the feasibility of using n-butanol with Deccan hemp oil methyl ester derived from Hibiscus cannabinus. Deccan hemp oil, from warm countries like India is an eco-friendly alternative energy source since it is reusable and easy to locate. The Acetone–Butanol–Ethanol (ABE) process made the n-butanol. Further, 60% Deccan he...
Enhancing the Metal Removal Rate (MRR) through improved Electrical Discharge Machining (EDM) performance is the focus of this research. A unique nanocomposite electrode for die-sinker EDM was created in order to overcome the drawbacks of pure aluminium electrodes. It is made of an aluminium base reinforced with 2.5% copper and 2.5% zirconium dibrom...
Machine learning (ML), a subset of AI, allows computer programs to autonomously learn from data. This self-learning process, also known as “self-learning,” has witnessed significant advancements, particularly in Deep Learning (DL) techniques, applied in strategy games and autonomous vehicles. ML’s potential in various industries, including operatio...
The thermochemical conversion method is a well-proven technology for producing synthesis gas. Mixture of biomass in varied ratios is a novel strategy that has been tested in Self-Circulating Fluidized Bed gasification (SFBG). SFBG is designed and tested using the aforesaid biomass at a mixture ratio of 75%-25% for equivalency ratios of 0.3, 0.4, an...
This research focused on the characteristics of the AA6061/AA5083 alloy joints which are fabricated by the friction stir welding (FSW) technique. The impact of FSW parameters such as tool tilt angle, pin depth, and tool geometry on the mechanical properties and fractographic characteristics were studied. Ultimate tensile strength (UTS), hardness (H...
The world is facing water crises because freshwater scarcity has become a global issue due to rapid population growth, resulting in the need for more industries, agriculture, and domestic sectors. Therefore, it is challenging for scientists and environmental engineers to treat wastewater with cost-effective treatment techniques. As compared to conv...
The article aims to estimate the importance of machining parameters for the performance measure material removal rate (MRR) in the Wire Electrical Discharge Machining (WEDM) processing of MONEL 400 K. Wire feed, Time On and Time Off (downtime) have been discovered to be more impactful in deciding the MRR criterion substantially. The significant con...
The nano surface roughness of metallic materials is important in engineering and medical fields for specific applications. Magneto rheological abrasive flow finishing (MRAFF) process was performed on nickel-free austenitic stainless workpieces in order to obtain surface roughness at the nano level and also to forecast the performance of the MRAFF p...
This study examines the drilling characteristics on GFRP/Banana fiber composite without and with use of Al 2 O 3 filler used in fabrication. of an epoxy-based glass fiber reinforced polymer with and without filler made of banana fiber and aluminum oxide powder. hand layup technique employed in fabricating Three kinds of polymer composites. Pre-test...
The current study aims to investigate the Material Removal Rate (MRR) of a glass fibre reinforced polymer composite with and without natural fillers (novel Grass powder, Banana fibre). The composites were made using the hand layup method. We employed three sets of nine specimens of the three different composites each to measure the MRR in CNC drill...
In the present study, a vacuum-assisted stir-casting process was made to synthesize nano-molybdenum trioxide-strengthened magnesium alloy composites of varying weight proportions. Morphological analysis was used to study the uniform distribution of ceramic reinforcing particles in the synthesized magnesium nanocomposites. ASTM standards were used t...
Due to the obvious minimal doses of drugs in biological matrices as well as the societal difficulties caused by methamphetamine usage, methamphetamine identification is critical in clinical and forensic laboratories. Because of their simple and inexpensive production procedure, as well as their excellent selectivity and sensitivity, polymeric carbo...
To improve tribological properties in the tool chip contact zone, coated carbide tool insert surfaces are nano-finished using magnetorheological fluid (MRF) with diamond abrasives. In order to polish surfaces without significantly increasing the danger of damage to the tool's cutting blades, the configuration of the magnetic particle chain feeding...
Abstract The current investigation presents the wear-worn surface analysis of a silicon carbide-reinforced brass-based composite synthesized by stir casting. Wear behavior of the brass composite pin was analyzed by disc tribometer. Wear characterization studies and confirmation of elemental composition are investigated through scanning electron mic...
Mg–Al–Zn alloys are widely preferred in many applications by considering their excellent properties of high stiffness-to-weight ratio, lightweight, high strength-to-weight ratio, low density, castability, high-temperature mechanical properties, machinability, high corrosion resistance, and great damping. Improving the properties of such alloys is c...
Machinability investigation of new material is one of the mandatory investigations to complete the purpose of creation of it. Electrical discharge machining (EDM) is one of the promising unconventional machining processes for highly accurate machining performance in difficult-to-cut material even machining complicated profiles. The powder-mixed EDM...
In Rotational Magnetorheological Abrasive Flow Finishing (R-MRAFF) process, Magnetic Field Intensity (MFI) is the primary factor for the formation of ferrous chains which is responsible for finishing. Changing the pole distance between magnets to achieve a difference in MFI values will alter the strength of the ferrous chains. In this study, three...
In this study, the impact strength of epoxy-based Glass Fiber-reinforced polymer composite with and without Jute fiber filler and Grass powder filler have been investigated.
Materials and methods
The hand lay-up method is used to fabricate the polymer composite in three groups of composites in which 2 groups are experimental groups and a Control G...
The main aim of the study is to investigate the tensile strength and hardness of coir powder blended GFRP and aluminium oxide powder blended GFRP against GFRP.Three different composite materials of GFRP,Coir powder blended GFRP and Aluminium oxide blended GFRP was fabricated with a total sample size of 120. Epoxy resin and Hardener are used as base...
The aim of this study is to enhance the mechanical properties of the Glass fibre reinforced polymer (GFRP) by adding alkaline treated natural fillers. Alkaline treated NaOH filler materials viz., novel eggshell powder and jute fibre by adding them to the Glass Fibre Reinforced polymer (GFRP) using epoxy resin to improve their mechanical properties....
Aluminium alloy (Al7075) based hybrid metal matrix composites reinforced with Silicon carbide (SiC) and Tungsten carbide (WC), at 5 wt.% each are considered for this investigation, which are developed by stir casting methodology. Material characteristic analysis both at micro and macro (Tensile strength and micro hardness) level were performed. Thi...
Generally, coconut oil is used for healing cut and wounds, cooking, lubricating machine parts etc. Used coconut oils are considered as waste and disposed on open channel and that is against to eco-friendliest. This piece of research work aims to investigate the effect of Nano- alumina based Nanofluid in machining of steel work in the lathe machine....
Waste utilization is act of clean technology. The multiple times used cooking oils are called as waste cooking oil. This investigation focuses specific type of such vegetable oil (coconut oil) for synthesizing the nanofluid for metal machining purposes Used coconut oils are considered as waste and disposed on open channel and that is against to eco...
Nanocomposites are preferred for performance enhancement over micron composites because of their better performance in enhancing the desired properties of the parent material. Nano-silicon carbide and nano-graphite are considered together for reinforcement of Al7075 in this piece of research. Here, the purpose of reinforcement of graphite considere...
This study investigated the properties of aluminum alloy composites reinforced with nano-SiC particles produced by stir casting and hot rolling at a temperature of 5500C. Microstructural analysis reveals that nano SiC particles are uniformly distributed with good bonding to the alloy Al6063. The nano SiC particles align in a rolling direction, and...
Metal cutting, in general, produces heat, which has an impact on the machining quality of the final job. The surface quality of the shaft is a major factor in fatigue stress shaft failures. Coconut oil or leftover coconut oil from Kerala chips was utilized here. shop The cutting zone temperature response is utilized to optimize the metal removal pr...
The entire world is poignant towards the eco-friendly manufacturing stratagem; especially most of the plastic components were slowly replaced by the natural composites. In the automobile sector, some of the popular car manufacturers were concentrated to replace interior plastic materials with natural fiber-based composite materials. A novel develop...
Cryogenic treatment of work material is found to improve mechanical and thermal properties which gave the advantage of better machinability especially for difficult to machine materials such as titanium alloys. Titanium alloys are hard to machine because of its poor conductor of heat and high thermal coefficients. In order to improve the thermal co...
This works presents preheating method to improve the machinability of titanium compound. With the effect of warming work piece (pre-heating) using induction coil (heating) system, speed, feed and depth were investigated in the midst of end milling process on a vertical machining center (VC450-Spinner). Additionally, WC-Co PCD inserts were positione...
The performance of machining tool can be assessed in terms of tool wear. Increased tool wear has an impact on surface quality. The surface quality of the shaft is a major influence in fatigue load failures. The liquid waste of multiple times used coconut oil are disposed in open channel, which contaminates the soil and ground water and also harm to...
Nanofluids plays critical role in thermal engineering. In this research prepare nanofluid for improving the thermal as well as tribological properties for shaft manufacturing. The surface quality is a prime factor in the failures of shaft by fatigue load. Here used coconut oil or waste coconut oil from Kerala chips shop for base fluid. This study l...
Welding dissimilar alloys of aluminium are quite cumbersome due to their lower melting temperatures and difficulty in welding. To resolve this, solid-state procedure friction stir welding (FSW) is utilized largely in industries. In this present research, dissimilar aluminium alloys AA2014 and AA6063 is joined using the FSW procedure to achieve high...
The present study investigates aluminium alloy powder (Al7075) of mesh size 60 μm and the reinforcement SiC of varying its weight percentage (2 wt%, 4 wt%, 6 wt%) and keeping constant Al2O3 (2 wt%) of particle size <50 nm has been used to synthesis aluminium alloy hybrid nanocomposites. The compaction pressure (350 MPa) and the sintering temperatur...
This work documents the experimental examination on mechanical properties of novel nano-boro silicate particles (nBSp) reinforced aluminium metal matrix nanocomposite (AMMNC) and machinability evaluation of the fabricated nanocomposite using Abrasive Waterjet Machining (AWJM) by adopting Taguchi’s experimental design considering pressure, rate of a...
Surface finish at nanometric scale is imperative for biomedical implants made up of stainless steel 316L (SS 316L) and titanium alloy to ensure the biocompatibility. However, such fine finishing is quite difficult to process. A rotational magnetorheological abrasive flow finishing process is used for nano-finishing. Rotational magnetorheological ab...
Steering knuckle is an important component of a vehicle suspension system, which acts as a connection point between the wheel hub and the suspension system. Since, the forces coming from the tires are transferred to knuckle with high varying loads. The design of a knuckle becomes very critical in terms of its life with high factor of safety. At the...
Savonius turbine is a drag based simplest vertical axis turbine. More attention has been given to savonius hydrokinetic turbine compared to the savonius wind turbine for the last ten years due to the possibilities of rural electrification through savonius hydrokinetic turbine. Various research works on savonius wind turbine has been reported since...
In the present study super alloys (Alloy 316, Inconel 600 and Titanium-6Al-4 V) are coated with AlCrN and AlTiN of thickness 3 µm and 6 µm using the Physical Vapour Deposition method and its microstructure, wear properties has been characterized. It has been observed that wear resistance property and wear rate of Inconel 600 was lower that the stai...
With an intention to improve performance characteristics of the savonius hydrokinetic turbine several modifications were made on the geometrical parameters of the savonius turbine. Though modifications were done on geometrical parameters of savonius turbine but the power coefficient of the savonius turbine didn’t increase compared to the horizontal...
Particulates strengthened aluminium hybrid intermixtures is formed using squeeze casting method by varying weight percentage (2%, 4% and 6%) of SiC and keeping 2% WC constant. Pin on disc of wear test has been used to investigate the wear properties and coefficient of friction of synthesized aluminium hybrid composites under dry sliding conditions...
In the present work, the natural composites based on sugarcane bagasse fiber and Rice husk powder were processed using hand layup technique. The matrix selected was polyester. The composites prepared with 0%, 3%, 5%, 10%, volume fraction rice husk with 10% sugarcane bagasse. The mechanical properties such as tensile, flexural were investigated as p...
In this work, aluminium metal matrix composite reinforced with hard silicon nitride (Si3N4) particles have been performed experimentally. Squeeze casting technique was adopted to synthesis the novel AMMC for different weight fractions of Si3N4 (3, 6 and 9%). The AMMC is characterized for their tensile strength, micro-Vickers, density and porosity,...
The utilization of aluminium and its alloys are widely used in many engineering applications because of its good mechanical properties. But it has to be further improved for its tribological properties by adding hard reinforcement like TiC. At the same while, the manufacturing and machining of this hard aluminium metal matrix composite were complex...
In the present investigation, mechanical, corrosion and fatigue characterization is performed on the fabricated aluminium metal matrix composite (AMMC), by reinforcing nickel (Ni) and copper (Cu) coated 4% carbon fibre (CF) in aluminium alloy (AA6026) matrix. With a view of enhancing the strength of the aluminium alloy, an optimal percentage (4 wt%...
For a varsity of application, materials are demanded with high damping that can lower fundamental natural frequencies, and composites offer widespread options towards designing space structure with lightweight which are controlled effectively. Damping fixtures were made with lightweight composites, for the purpose of transporting aerospace componen...
In the present study an effort has been made to synthesize B4C and BN reinforced Al7075 hybrid composites using stir casting method by varying its weight percentage (3%, 6% and 9%) of B4C and keeping (3%) of BN constant for marine applications. Morphology of the synthesized aluminum hybrid composite and reinforced particle distribution was studied...
In the present study, an effort has been made to synthesize TiC reinforced magnesium nanocomposites by varying its weight percentage (3%, 6% and 9%) using powder metallurgy for marine applications. The compaction pressure was maintained at 350 MPa for 15 min at 250 °C followed by sintering process. Sintering temperature was maintained at 650 °C in...
In the present study, an attempt has been made to synthesis Al6061/SiC/WC hybrid aluminium composites using stir casting method under various mass percentage of reinforcement. The mechanical properties such as compressive strength, tensile strength, hardness and wear resistance have been characterized and investigated. From the micro structural ana...
In the present study, a considerable importance is being given to find a novel material for marine application. The synthesis of nano-particles reinforced with matrix alloy using conventional casting offers low wettability between reinforcement and the molten metal. Hence, an effort has been made to develop nano-glass particles reinforced magnesium...
The utilization of particulate reinforced aluminium hybrid metal matrix composites is being increased in automotive applications due to its distinct properties. In the present study, an endeavour has been made to synthesize Al7075 aluminium alloy with reinforcement of B4C and MoS2 as lubricant under various weight percentages of 4%, 8% and 12% usin...
In the present study, an endeavour has been made to investigate the mechanical properties of hollow glass microspheres reinforced die cast magnesium alloy under vacuum die casting process. The particle size, mass fraction, stirring speed has been considered as input process parameters to analyze the mechanical properties such as hardness, compressi...
In the present scenario, a considerable importance is being given to find newer materials for marine applications. An endeavour has been made to synthesis hollow glass microspheres reinforced magnesium matrix (AZ91D/HGM) syntactic foams and analyze its mechanical properties for such applications in the present study. The 40 μm size reinforcement pa...
The presence of Hollow particles instead of gas porosity provides a closed cell structure called Syntactic foams. Syntactic foams have gained significant attention in recent years due to their low density, moisture absorption and thermal expansion coefficient compared to other cellular materials, such as open and closed cell structured foams. In te...
Questions
Question (1)
i have doubt in pressure infiltration and pressure less infiltration. could any one clear about the difference between pressure infiltration and pressure less infiltration. even if u have any drawings related to the pressure less infiltration please send to me. it will be more helpful for my research work..
Waiting for your valuable reply,
Thanking you sir,
G.AnbuChezhiyan