Name R. Vaira Vignesh Affliation Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore, India Degree — Academic Rank - WebSite — Email — Article Presentation Project Book Thesis Speech Innovation TitleJournal 1 Effect of shoulder features during friction spot extrusion welding of 2024‑T3 to 6061‑T6 aluminium alloys Archives of Civil and Mechanical Engineering 20 (2020) 1-17