We hereby certify that the work being presented in the report entitled “STUDY OF FRICTION
STIR WELDING ON BUTT-JOINT OF TWO DIFFERENT GRADE Al- ALLOYS WITH
DISSIMILAR THICKNESS” submitted to Ajay Kumar Garg Engineering College, Ghaziabad,
in partial fulfilment of the requirements for the award of the degree of Bachelor of Technology in
Mechanical Engineering of Dr. A. P. J. Abdul Kalam Technical University, Lucknow is an
authentic record of our own work carried out during a period from July 2018 to April, 2019
under the supervision of Dr. Namrata Gupta, Assistant Professor, Department of Mechanical
Engineering, Ajay Kumar Garg Engineering College Ghaziabad.
       The matter presented in this report has not been submitted by us for the award of any
other degree of this or any other institution.
                                                            SHUBHAM CHAUDHARY
                                                            ROBIN KUMAR
                                                            RIKUL CHOUDHARY
                                                            YATIN R GUPTA
                                                            DILEEP KUMAR MAURYA
                             ACKNOWLEDGEMENTS
We take this opportunity to express our gratitude to our DEPARTMENT OF MECHANICAL
ENGINEERING for having provided us an opportunity to undertake this project work.
We sincerely appreciate our project coordinator Dr. Namrata Gupta for his aspiring guidance,
invaluably constructive criticism and friendly advice during the project work. We are sincerely
grateful to the other mentors of the department for sharing their truthful and illuminating views
on a number of issues related to the project. It is, by making the skillful usage of the technical
dexterity of our mentor combined with our command in the subjects that we have managed to
reach the extremity of the project. At last we thank everyone for all the contribution in
stimulating suggestions and encouragement that helped us to coordinate our project, especially in
writing this report.