I would like to take this opportunity to express my sincere and deep sense of gratitude to my guide, Prof. S. B. Belkar,for their timely guidance and inspiration, who answered all my queries and advised with comments for the collection of literature, proper structure of experiments and improvements without which my work would not have been completed. I would also like to thank him to giving me this opportunity to study the vast and interesting field of welding strength. I also wish to express my sincere thanks to Principal, Amrutvahini College of Engineering,...