In this study, the effects of the process parameter of the Metal Inert Gas welding on the microstructural evolution, grain size variation of different zones, impact energy, microhardness and depth of penetration in IS 2062 Grade B mild steel have been inspected. The welding was carried out manually using different welding current and different sheet thickness values. Increase in the current value resulted in increase of the grain size and maximum value of 15.93 μm was observed in the metal co...

Currently, for assembling aluminum alloy parts, resistance spot welding, riveting and laser spot welding are employed intensively. All these conventional processes have disadvantages such as poor weld strength, large heat residual stress and distortion, tool consumption during joining and formation of different defects. In the recent years, the new spot welding process was developed called friction stir spot welding (FSSW). Friction stir spot welding (FSSW) is a modification of the frictio...

A novel bio-adsorbent, tea waste/CeO2 bio-composite was synthesized by precipitation process. Batch adsorption study was conducted to investigate the ability of the material for the rapid removal of Cr(VI). Dependence of adsorption on adsorbent dose, pH of the solution, contact time, and temperature had been studied to achieve the optimum condition. The characterization of the bio-adsorbent and mechanisms of Cr(VI) adsorption on the material were studied by using XRD, SEM, FESEM, TEM, BET and...

In the continuation of our recently published work [Tiwary et al., J. Appl. Phys. 124, 044101 (2018)] on triphasic La2NiMnO6 , here we are reporting the magnetodielectric and magnetoelectric properties of the new form of polymer modified (4H+P) La2NiMnO6 sample. A spectrum of unusual temperature dependent transitions, are spotted in both magnetodielectric and magnetoelectric data in the temperature range of 130 to 290K. Both Positive and negative magnetodielectricity of ~5% and 12% is observe...

In the recent past, Digital Image Correlation as a tool for surface deformation measurement has gained widespread acceptance in various industries. The technique is to find displacements with subpixel accuracy and with simple experimental setup which ensure high accuracy and high efficiency. In this work, the displacement and strain estimation of a dual phase steel undergoing tensile test has been carried out.

Organophosphate (OP) based pesticides are continuously used above their lethal dosage for enhancement of the agricultural harvest. Consequently, the residues of these toxic pesticides in environment cause several chronic diseases and leads to an ultimate death in living entities. Therefore, real-time detection of these pesticides is very much essential to reduce the environmental health hazards. Thus, an effort has been made to improve the sensing behavior of aqueous grown ZnO nanowires (NWs)...

Assembly is one of the manufacturing processes, which occupies approximately 20% of the manufacturing cost of the product. In order to reduce the cost of the assembly, efficient assembly sequence is required. As the Assembly Sequence Planning (ASP) problem is the NP- hard problem, achieving the optimal assembly sequence for the complex products involves large amount of computational time and disk space. More over to achieve the optimal assembly sequence, assembly predicates (liaison data, st...

The presence of uranium in drinking water and its steady exposure to living creatures may cause various detrimental health effects by chemical action. Few investigations explain the radiological toxicity of uranium in drinking water The land arrangements and dramatic changes in climate conditions are the primary reasons for the leaching of uranium to groundwater. The foremost organs influenced by uranium amount in the body are kidneys, the bones, and the livers.As per the World Health Organiz...

This article proposes a new insight of modelling service quality offered by signalized intersections, which are the nodal focuses in a transportation network in developing countries. To achieve the objective of this research, a broad spectrum of geometrical, traffic operational, built-environmental and behavioral data sets are collected from 45 diversified signalized intersections with a widely varying driving environment through field investigations, videography techniques, and perceptio...

In the present research we aim to study the process of emotion perception from facial expression through appraisal variable, to analyse Perception Response Time (PRT) for group decision with stimuli from different communities, and to analyse PRT with respect to valence of the emotion stimuli. To achieve the goals, we have designed an experiment to collect Emotion Perception Response. In this experiment, human subjects perceived emotion from facial expression display. Activation Evaluation (AE...

A new approach using the Hilbert vibration decomposition (HVD) for extracting the respiration from the photoplethysmographic (PPG) signal is proposed. It is suggested that the largest energy component of the PPG signal acquired using the HVD is analogous to the respiratory signal. The proposed PPG-derived respiration (PDR) technique is examined over the Capnobase and MIMIC datasets by evaluating the correlation and respiratory rate errors calculated between the derived and reference respi...

A survey-based study was conducted to find representative users with defective vision among students at a technical institute. Using a survey, it was found that 38 out of 95 student-swimmers suffered from various kinds of visual impairments, and face problems that typically are not faced by a healthy swimmer during swimming. A combined study of literature and market analysis suggested that only a very few Prescription Swimming Goggles (PSGs) are available in the market that satisfy visually ...

Eminence of any society strongly depends on the progressive and liberal attitude, thinking style and conviction of the people residing in it. As per preamble to the constitution of India, all the citizens are assured of liberty of thought, expression, belief, faith, and equality of status, opportunity, the dignity of life irrespective of class, caste, creed, gender and religion. But in reality this above goal is still far away. As per instance, transgender community is one of the repressed an...

World Health Organization has clearly stated that mental well-being can only be justified if a person is contributing optimally in social, cultural and economic domains by adequately coping with daily stresses, but this definition is far from feasible than actually it seems to be. Income inequality, variation in GDP’s contribution towards health across globe and other socio- economic and environmental factor had subserve mental illness worldwide across socio-demographic variables like ag...

Juvenile delinquency is one of the most pressing social problems of our time. Various social, psychological and biological factors contribute to the development of delinquency in children. Family is one such factor which has biological, psychological and social linkage with children. Studies conducted across the globe have found that children who are homeless or are from broken families tend to commit more crime. However, in case of India children living with parents commit more crime. The p...

The focus on Human-Computer Interaction (HCI) research is increasing day by day, due to the increasing requirement of intelligent input devices. Hand Gesture Recognition is a small sub-field but presents a significant number of applications and consumer products. Most researches target on the feasibility of recognition systems but give less weight to the device resources, so the cost and time. The time-consuming complicated algorithms' use is limited to special purpose devices such as expen...

Dynamic behavior analysis of structural components is one of the important tasks in the design process of any mechanical system.Now–a–days research personnel are intended to carry out research in this area to increase the efficiency and functionality of mechanical systems. The vibrational characteristic is very important in many dynamic machine components design and analysis. Among these machine structures, grass trimmer is one of the most common machines that exposed to the dynamic and stati...

Digital elevation models (DEMs) are considered as an important spatial input parameter for hydrological models and have an inherent source of uncertainties which could be due to grid size or data sources. The acceptability of the DEM source for the research objective and appropriate resolution has to be properly examined before any hydrologic application. These impact the results of the SWAT hydrological model, which predominantly relies on DEMs for the hydrological variables derived. Four po...

This paper examines the relationship between foreign aid (ODA) and economic growth for India and Sri Lanka, using the annual time series data for the period 1960-61 to 2014-15. We have employed Johansen and Juselius (JJ) to test and VECM-Granger Causality test to find the short run dynamic and long run equilibrium relationship among the variables. We find that there exists short and long run equilibrium relationship between ODA, economic growth and other macroeconomic variables. However, the ...