Vijay Verma

• PhD from Motilal Nehru National Institute of Technology Allahabad
• Associate Professor at Bundelkhand Institute of Engineering and Technology

Fly ash (FA) is a byproduct of coal combustion, particularly in coal-based power plants. If FA is released into the open atmosphere or land, it becomes a major source of air and water pollution. The impact of FA on woven glass fabric-phenolic composite laminates is examined in the present study to find the application of FA in the structural field....

PEM fuel cells (PEMFCs) are preferred as a highly favorable, eco-friendly alternate energy source. It directly converts the chemical energy into electrical power, with water as a by-product, without harming the environment. The major issues with PEMFCs are low electrical conductivity, high weight, and high cost. The bipolar plate (BP) is a crucial...

Study on the exploitation of nano-materials has produced promising results in several applications, including medicine and reversing ecological damage. ZnO nanoparticles are added to diesel and biodiesel blends in this investigation. The primary purpose of this investigation was to examine the impact of ZnO nanoparticle incorporation on engine ou...

This paper investigates the effect of ageing on the erosion behaviour of epoxy composite having low weight fraction of alumina (Al2O3) nano filler. Two types of Al2O3 filler with different aspect ratio are used in the study viz. one with aspect ratio 1.0 i.e. particulate and second with higher aspect ratio 5–10, was named as cylindrical. The fabric...

The present invention relates toportable system for transesterification process for biodiesel production. The portable system comprises a water tank contain water, a first stirrer, a water mixer motor, an immersion rods, a first thermometer, a spherical-bottomed glass flask, a second thermometer, a condenser, a second stirrer and a flask mixer moto...

In this work, the effects of adding Multi-Walled Carbon Nanotubes (MWCNT) along with leftover cooking oil on a diesel engine's efficiency, emissions, and combustion properties were studied. After TEM examination, using an ultrasonicator, the MWCNT was combined with biodiesel fuel made from leftover cooking oil at concentrations of 0 and 25, parts p...

Bipolar plates play a crucial role in the performance and viability of proton exchange membrane fuel cells. Polymeric composites have demonstrated their potential as alternatives to graphite and metallic materials for bipolar plates due to their good corrosion resistance, lightweight nature, flexibility, and cost-effectiveness. However, these polym...

Epoxy alumina composite was fabricated by instant cross-linking process containing 0.5, 1.0 and 1.5 wt.% of alumina reinforcement. Ultrasonication process is used to disperse alumina nanoparticles in epoxy. To study effect of particle morphology two types of alumina nanoparticle's were used, one was of rod shape whose diameter varies from 5-10 nm a...

This study has targeted to investigate erosion behavior of epoxy reinforced with nano aluminium oxide, Al2O3. The matrix used in the present study is epoxy LY 556 and hardener HY 951. 10:1 is taken as epoxy to hardener mixing ratio. The composite was fabricated by dispersing the nano Al2O3 powder in epoxy by sonication process and then hardener is...

A spacer is an essential part of a knee replacement prosthesis that resists the load transfer from the femoral to tibial component. In the present work, a poly(lactic acid)-based spacer was designed by SOLIDWORKS® 2017–18. The performance of the designed spacer was analyzed by finite element analysis using SOLIDWORKS® 2017–18. The stress and strain...

In this paper, sandwich plate, constructed with orthotropic and isotropic composite materials, is analyzed to obtain the static and harmonic behavior. The analysis is done by using ANSYS APDL FEM tool. A solid-shell 190 and an 8-node solid 185 elements are employed for face and core material respectively to analyze the plate. Results was attained b...

All helmets are designed to prevent head injury of wearer by captivating momentum and preventing infiltration. Aside from the ability to absorb energy, their volume and weight are also essential considerations, as increase in both will increase the danger of damage to the user's body parts. Annually, several construction labours were killed or crit...

In the case of design of a small two-wheeler, designing a cylinder and its cooling system is a big deal for engineers and researchers. To have a stable combustion in case of SI engine, the temperature at any point of cylinder can’t be raised to auto ignition temperature of the fuel. Thus, the cooling system of engine must be properly designed. When...

Design of engine cylinder is always a great concern to deal with temperature variations owing to overheating. Improving heat transfer rate of cylinder using fins are common. Present work deals with increase in heat through put by utilizing air as operational fluid. The objectives of present study are to examine the effect of extended surface geomet...

The present research aims to study the fatigue crack propagation and fracture toughness behavior of different zones of friction stir welds of AA7039 alloy, as different zones had varying microstructural and mechanical properties. Compact tension specimens with an initial notch in distinct weld zones parallel to the welding direction were machined u...

Indagation in the sphere of nanoparticle utilisation has provided commendatory upshots in discrete areas of application varying from medicinal use to environmental degradation alleviation. This study incorporates alumina nanoparticles as additives to diesel and biodiesel blends. The prime objective of the present study was the scrutinisation of the...

All helmets are designed to prevent head injury of wearer by captivatingmomentum and preventing infiltration. Aside from the ability to absorb energy, their volume and weight are also essential considerations, as increase in both will increase the danger of damage to the user's body parts. Annually, several construction laborswere killed or critica...

The welding of aluminium alloys especially in dissimilar combination is challenging owing to numerous problems. The present study focuses to optimize processes parameters for dissimilar welding of 6 mm thick dissimilar Al-6061 and Al-5083, using Tungsten Inert Gas welding as well as to investigate the influence of the process parameters on tensile...

Due to the scarcity of petroleum fuel, the researchers have paid their attention to find the alternative fuels. The biodiesels may be the best choice among different available alternative fuels as these fuels gives better performance and less emission of the green house gases. For getting the better performance on biodiesel, the testing as well as...

This research aims to investigate the material flow behaviour and microstructure evolution in friction stir welded joints of dissimilar aluminium alloys AA2024/AA5086. AA2024 plate was placed on re- treating side; welded using threaded conical flat shoulder tool rotating at 635 rpm and moving along the joint line with a speed of 75mm/min. Mixing of...

This paper investigates the outcome of base metals and their temper condition on tensile and fracture behavior of friction stir welds of various work and precipitation hardening aluminium alloys in different tempers (AA1100-O, 5052-H, AA5086-O & H25, AA2024-O & T6, and AA6061-T651). The type and temper of aluminium alloys affected the tensile, and...

Today, polymer-based composites have become a commonly used material for fabrication and repair of high-strength, low-weight, high-durability, and stiffer structures. Although the metals and their alloys have superior structural properties as compared to polymer composites, their easy availability, light weight, better corrosive properties, high sp...

The need for weight reduction in aerospace and automotive industries requires use of lightweight materials. In order to attain the aforementioned, joining of dissimilar materials such as steel and aluminum came into practice. Friction stir spot welding is a solid-state welding technique capable of joining the materials with wide variation in their...

Friction stir spot welding is an offshoot of friction stir welding and is viable technique to join similar and dissimilar aluminium alloys which are difficult to join by resistance spot welding. The present research aims to investigate the influence of exit hole closure on microstructure and lap shear tensile strength of dissimilar aluminium alloys...

Friction stir spot welding is a novel single-point solid-state joining process for difficult to weld metals by conventional spot welding processes. In the present study, AA2014-T6 (1.7 mm) and AA7075-T6 (2.5 mm) aluminum alloys were friction stir spot welded using optimized process parameters and computer numerical controlled milling machine. The m...

Abstract Epoxy composites reinforced with three different shapes of Al2O3 nanoparticles were synthesized by instant cross-linking process. Out of three types of Al2O3 particles, two were of rod shape particles termed as large nano rod (diameter 2–4 nm and length 100–200 nm), and small nano rod (diameter of 5–10 nm and length less than 50 nm) and th...

Abstract Epoxy alumina composite was fabricated by instant cross-linking process containing 0.5, 1.0 and 1.5 wt.% of alumina reinforcement. Ultrasonication process is used to disperse alumina nanoparticles in epoxy. To study effect of particle morphology two types of alumina nanoparticle’s were used, one was of rod shape whose diameter varies from...

In this work, epoxy alumina nanocomposites were synthesized with Al2O3 nanofiller by instant cross-linking process. Two different particle morphologies (viz. rod and spherical shape) were selected as filler to investigate their effect along with wt.% (0.5, 1.0, and 1.5 wt%) on the fatigue behavior of epoxy alumina nanocomposites. Stress to number o...

Solution heat treatment and Cryogenic treatment of Al6082 aluminium alloy were experimentally carried out at Temperature 520 °C and −183 °C temperature by using muffle furnace and by dipping the specimen in liquid nitrogen solution bath respectively. The soaking time is varied from 10 min to 24 h in four step (10 min, 30 min, 60 min and 24 h). The...

Present work aim to study the influence of feed rate, cutting speed and depth of cut on MRR and surface roughness of AISI 316 stainless steel during turning process. The tool used in the study was a generally used uncoated carbide tool. The experimental trial was planned by using full factorial method of design of experiments. Further the ANOVA ana...

In this paper, the effect of weld gaps in microstructure and mechanical properties of MIG welded high strength low alloy steel are investigated. To evaluate mechanical properties of welded metals, tensile tests and Vickers hardness tests were performed. Microstructures of the welded specimens were observed using light optical microscope. The micros...

In this paper, the effect of weld gaps in microstructure and mechanical properties of MIG welded high strength low alloy steel are investigated. To evaluate mechanical properties of welded metals, tensile tests and Vickers hardness tests were performed. Microstructures of the welded specimens were observed using light optical microscope. The micros...

Al 6061-T6 alloy was solution treated and then multi-axial Compression (MAC) was done with cumulative true strain of 0.6,1.2 and 1.8 in three, six and nine passes respectively. The dimension of the specimen was taken in the ratio of 1.22:1.13:1. The grain size of the specimen was also deceased with increasing the number of passes. The grain size me...

Effect of coating thickness on low temperature cyclic thermal fatigue behaviour of Al2O3 thermal barrier coating (TBC) was concluded through the cyclic furnace thermal fatigue test (CFTF). Detonation gun (Thermal Spray) process was used for bond coating of NiCr and top coating of Al2O3 on Aluminium Alloy 6061 substrate. Top coating was done at two...

To predict the hot deformation behavior of high phosphorus steel, the hot compression experiments were performed with the help of thermo-mechanical simulator Gleeble® 3800 in the temperatures ranging from 750 °C to 1050 °C and strain rates of 0.001 s⁻¹, 0.01 s⁻¹, 0.1 s⁻¹, 0.5 s⁻¹, 1.0 s⁻¹ and 10 s⁻¹. The experimental stress-strain data are employed...

EDM is the most versatile and universally accepted modern machining process having vast application in manufacturing industries. The main drawback of this process is lower machining yield and less dimensional control. In this process the machining rate is independent of the work material hardness as the machining is not due to physical contact betw...

Effect of coating thickness on low temperature cyclic thermal fatigue behavior of Al2O3 thermal barrier coating (TBC ) was concluded through the cyclic furnace thermal fatigue test (CFTF). Detonation gun (Thermal Spray) process was used for bond coating of NiCr and top coating of Al2O3 on Aluminium Alloy 6061 substrate. Top coating was done at two...

To predict the hot deformation behavior of high phosphorus steel, the hot compression experiments were performed using Gleeble® 3800 thermo-mechanical simulator in the temperatures ranging from 750 ºC to 1050 ºC and strain rates of 0.001 s-1, 0.01 s-1, 0.1 s-1, 0.5 s-1, 1.0 s-1 and 10 s-1. The experimental stress- strain data are employed to develo...

ABSTRACT Low temperature cyclic thermal fatigue behavior of ZrO2 8% Y2O3 (YSZ) thermal barrier coating (TBC) through cyclic furnace thermal fatigue test (CFTF) were been investigated. Air plasma spray process were used for bond coating of NiCrAlY and top coating of ZrO2 on Aluminium Alloy 6061 substrate. To investigate the effect of coating thickne...

Epoxy alumina polymer nanocomposites were synthesized by in-situ polymerization technique. Dispersion of rod shaped alumina nanoparticles, having a length less than 50 nm and diameter in the range of 10 nm, in the epoxy matrix was achieved using ultrasonication. Nanocomposites having 0.5, 1 and 1.5 wt % of alumina nanoparticles were prepared. Good...

Polymer nanocomposites (PNC) were prepared by in-situ polymerization technique. Rod shape alumina nanoparticles of two different sizes; i) having an average diameter in the range of 10 nm and length less than 50 nm and ii) having diameter in the range of 20-40 nm and length in the range of 200-400 nm; were selected as reinforcement material for epo...