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A Review on Process Parameters on Tensile Strength and Hardness Testing of Friction Stir Welding Joint of Aluminium Alloys with Different Tool Pin Profile

Friction-stir welding (FSW) is a solid-state joining process that uses a third body tool to join two faying surfaces. Frictional heat between the welding tool and the work pieces causes the latter to soften without reaching the melting point, allowing the tool to traverse along the weld line. In this work, CNC Milling Machine is used to weld the parts together. The parts being welded are aluminium alloy AA5086 H32-AA6061 T6. The detailed mathematical model is simulated by Minitab17. In this investigation, an effective approach based on Taguchi method, has been developed to determine the optimum conditions leading to higher tensile strength. Experiments were conducted by varying rotational speed, transverse speed, and constant welding depth using L9 orthogonal array of Taguchi method. Effect of different tool pin profiles on the quality of the welded joint is also studied for welding. Different tool pin profiles considered are threaded, taper, circular/round and square. The tools are designed using Pro/E and are manufactured on a Lathe machine. After the parts are welded, various practical tests are performed on the welded parts that include the tensile strength and the Vickers’s hardness test.

Published by: Pawan Parashar, Arun Patel

Author: Pawan Parashar

Paper ID: V4I1-1246

Paper Status: published

Published: January 23, 2018

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Review Paper

Solar AC Power Generator with Arduino Control Circuit

We all know that sun provides a never-ending source of energy. This energy is called as Solar energy and it comes under the category of Renewable energy resources. Renewable energy resources are clean and non- polluting energy resources. Non-Renewable energy resources like the fossil fuels, oil, natural gas, coal and nuclear energy are not that much sustainable because they all take longer time for formation. Hence we expect more renewable energy resources and the device associated with these resources. The demand for solar cells or PV cells is increasing day by day. Solar cells convert solar energy into electrical energy. We can use this electrical energy according to our purpose of interest. The electrical power we obtained can be either in the  DC or AC form. The output of Solar cells is strictly DC. From previous researchers, it is seen that we can directly produce AC power from solar cells without any use of inverter by simply arranging the solar cells in a circular pattern over a spinning disc and alternately exposing them. Although it eliminates the cost of the inverter, the major problem arises in controlling the speed of this spinning disk.The type of material for making the circular arrangement also plays an important role in better efficiency. The voltage and power obtained from the previous researchers are also less. In this paper, we modify the arrangement with proper speed controlling circuit by using Arduino in our circuit. The voltage and power obtained from this arrangement are more and hence efficiency is increased. The sine wave obtained is also of less distortion.

Published by: Syed Faiz

Author: Syed Faiz

Paper ID: V4I1-1211

Paper Status: published

Published: January 22, 2018

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Research Paper

Public Awareness of Dental Implants in Randomly Selected Sample in Kashmir

Aim: The aim of this survey was to assess the public  awareness of dental implants in patients attending  the Department  Of  Prosthodontics in Government Dental College & Hospital, Srinagar, Kashmir Methodology: This Questionnaire-based study was conducted during Feb-Apr 2017, for a period of 3 months. All patients attending the outpatient Department Of Prosthodontics in Government Dental College & Hospital, Srinagar, Kashmir were included in the study. Results: Mean age of the study population was 44.99 + 16.273, male outnumbered by 1.6 and most of the study population was less educated and unemployed and unskilled workers. The primary reason for outdoor consultation was for replacement of lost tooth/teeth (81.7%). Only 35% of the people in Srinagar were aware of dental implants as a treatment modality. The high cost of the implants is one of the major limiting factors working against the willingness of patients to undergo this treatment. Majority of the studied patients were not aware of details of dental implants, procedure, advantages, and disadvantages. Conclusion: Majority of the study population was unaware of the dental implant. There was the significant association between education and occupation and knowledge about dental implant procedure, advantages, disadvantages, willingness for implant and knowledge about the cost of the dental implant.

Published by: Raisa Rashid, Dr. Sandeep Kour, Dr. Imtiyaz Magray

Author: Raisa Rashid

Paper ID: V4I1-1228

Paper Status: published

Published: January 22, 2018

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Case Study

A Comparative Study on Query Optimization and Performance Analysis using Different Data Values

A database system will respond to requests for information from the users with the help of queries. In this paper, we focussed on query optimization and analyzed the queries with different case studies for improving the performance. We have taken a sample data for query processing before and after query optimization and then made a comparative performance analysis.

Published by: Murali Krishna Senapaty, Sudhakar Panigrahy, A. Sreelakshmi

Author: Murali Krishna Senapaty

Paper ID: V3I6-1516

Paper Status: published

Published: January 22, 2018

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Research Article

Advancement of Process Parameters in Ultrasonic Machining of Tungsten Carbide Using Gray Taguchi

The principal target of this paper is to contemplate the impact of working parameters of ultrasonic machining (USM) of tungsten carbide (WC) on the machining qualities like MRR and SR. The viability of the ultrasonic machining process with tungsten carbide is assessed as far as the material evacuation rate and the surface complete nature of the work piece created. Tungsten carbide as a super hard and high wear-safe material has been utilized broadly in enterprises. Dark social examinations are connected to decide the reasonable determination of machining parameters s. The Gray hypothesis can give an answer of a framework in which the model is uncertain or the data is inadequate. In addition, it gives a proficient answer for the vulnerability, multi-input and discrete information issue. As indicated by the Taguchi quality outline idea, a L9 orthogonal array. In this investigation, the impact of different information parameters; Abrasive size , Amplitude of vibration, recurrence of vibration viz., metal expulsion rate (MRR), Surface Roughness (SR) are examined.Social examination and investigation of difference (ANOVA) have been performed to upgrade the levels of info parameters.

Published by: Y. Chandrasekhar Yadav, Dr. M. Yohan, P. Kamal Kumar

Author: Y. Chandrasekhar Yadav

Paper ID: V4I1-1200

Paper Status: published

Published: January 19, 2018

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Research Paper

An Experimental Approach to Study the Effect of Process Parameters on Tensile Strength of Friction Welded Interface of Dissimilar Metals AISI304/4340

Rotary Friction Welding is successfully used for joining of stainless steel 304 and low alloy steel 4340 by varying three parameters namely rotational speed, friction pressure and friction time at three different levels. Fixed parameters are length and diameter of the specimen. Taguchi approach is used to design experimental layout. A total number of experiments conducted is nine. For each experiment, three specimens are made. In this study, it is found that for achieving a sufficient tensile strength on the joint-interface, the friction time should be held as short as possible, while the rotational speed and friction pressure should be as high as possible.

Published by: Navtarndeep Singh Doad, Ankur Gill, Dhiraj Parkash Dhiman

Author: Navtarndeep Singh Doad

Paper ID: V4I1-1216

Paper Status: published

Published: January 19, 2018

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