Dr.S.R.Koteswara Rao
Professor
Department of Mechanical Engineering
Email:[email protected]
Educational Qualifications
- 2005, Ph.D – Metallurgical and Materials Engineering – Indian Institute of Technology Madras
- 1992, MTech – Industrial Metallurgy – Regional Engineering College – Warangal
- 1988, B.E – Mechanical Engineering – Vasavi Engineering College-Osmania University, Hyderabad
Dr.Rao, after receiving his Ph.D degree from IIT Madras in the year 2005, joined SSN College of Engineering, where he worked as Assistant Professor, Professor and Head of the Department of Mechanical Engineering till end 2008. During this period He also coordinated the Entrepreneurship development cell and completed a short term certificate course called Entrepreneurship Educators course conducted by IIM Bengaluru. He worked as Principal and later as Dean (R&D) at Tagore Engineering College, Chennai between 2009 and 2015. He rejoined SSN College of Engineering in 2015 and transferred to SNU Chennai in July 2026.
Apart from teaching, academic research and administration, he actively pursued sponsored research and obtained and completed 9 projects, funded mainly by DRDO as Principal Investigator. As a research supervisor, 13 of his students have been awarded Ph.D degrees by Anna University, Chennai and Jawaharlal Nehru Technological University, Kakinada AP.
He has also received an international diploma named ‘International Welding Engineer (IWE), jointly awarded by International Institute of Welding, Europe and Indian Institute of Welding. He is also the Founder director of Cornerstone Academy P Ltd (2010 onwards), Approved training body (ATB) of IIW-India and International Institute of Welding for International Welding Engineer (IWE) course.
His current interests include Research in materials and metallurgy, welding, Additive Manufacturing and pursuing Entrepreneurship
Work Experience
30+ years of Teaching, Research and Administration
- July 2026-Till date, Professor, Shiv Nadar University Chennai
- 2015-2026, Professor, Dept of Mechanical Engineering, SSN College of Engineering
- 2012-2015, Dean (R&D) Tagore Engineering College, Chennai
- 2008-2012, Principal, Tagore Engineering College, Chennai
- 2005-2008, Professor & HOD, Dept.of Mech. Engg, SSN College of Engineering
- 2001-2005, Senior Project Officer, Centre for Industrial Consultancy and sponsored Research (IC&SR) IIT Madras
- 2000-2001, Assistant Professor, Sri Muthukumaran Institute of Technology
- 1998-2000, Senior Lecturer, RMK Engineering College, Kavaraipettai, TN
- 1996-1998, Lecturer, Hindustan College of Engineering, Padur, TN
- 1994-1996, Senior Project Officer, Centre for Industrial Consultancy and sponsored Research (IC&SR) IIT Madras
Projects
As Principal Investigator (PI)
- Friction Stir welding of Scandium added Al-Mg alloys: Naval Research Board (NRB),DRDO, Rs 23.94 Lakhs, 2006-09 ,3 years. Completed
- Gas Tungsten arc assisted friction stir welding of steels: Department of Science and Technology, DST, 2008-2011,3 Years, Rs24.45 Lakhs, Completed
- Friction Stir Welding of AA2219 to AA5083-Dissimilar Aluminium Alloys: DRDO – ER&IPR, 2010-2012, 2 Years, Rs 13.69 Lakhs Completed
- Joining of Aluminium alloy 5083 to DMR 249 grade steel using CMT-MIG welding: Naval Research Board (NRB),DRDO, 2012-2014, 2 Years, Rs14.95 Lakhs, Completed
- Friction Stir Welding of AA7075 thick Plates for heavy Vehicle Application: Armament Research Board (ARMREB) DRDO, 2012-2014, 2 Years, Rs 14.03 Lakhs, Completed
- Activated flux GTA welding of duplex stainless steels- Addition of nitrogen to weld metal: UGC-DAE, 2012-2015, 3 Years, Rs1.05 Lakhs, Completed
- Development of Nitrogen added low Nickel fillers for welding of Duplex Stainless Steels: All India Council for Technical Education (AICTE), 2013 -2016, 3 Years, Rs19.32 Lakhs, Completed
- Optimizing the ballistic performance of AA7075 thick plate Friction stir welds: Armament Research Board (ARMREB) DRDO, 2018-2021, 3 years, Rs 18.78 Lakhs, Completed
- Wire arc additive manufacturing of Inconel718 to Stainless steel functionally graded material using dual filler TIG Welding: ER&IPR, DRDO, 2023-2026, 3 Years, Rs 24.20 Lakhs, Completed
Publications
Published 60+ SCI/SCIE indexed international journals (Thomson Reuters/ Clarivate Analytics). Google scholar h-index: 17, Citations: 1714, i10 index – 30
https://scholar.google.com/citations?user=nvDwpmUAAAAJ&hl=en
Publications in Quartile 1 (Q1) Journals:
- S.R.Koteswara Rao, G.Madhusudhan Reddy, M.Kamaraj, K.Prasad Rao: Grain Refinement through Arc Manipulation Techniques in Al-Cu alloy GTA Welds, Materials Science and Engineering A, 404 (2005) 227–234
- S.R.Koteswara Rao, K.Srinivasa Rao, G.Madhusudhan Reddy, M.Kamaraj, K.Prasad Rao: Reasons for superior Mechanical and Corrosion properties of 2219 Aluminum alloy Electron Beam Welds, Materials Characterization, 55 (2005) 345– 354
- S.R.Koteswara Rao, G.Madhusudhan Reddy, K.Prasad Rao: Effects of thermo-mechanical treatments on mechanical properties of AA 2219 gas tungsten arc welds, Journal of Materials Processing Technology, 202, (2008) 283-289
- S.R.Koteswara Rao, B.Kamsala Devi, K.Srinivasa Rao, K.Prasad Rao: Thermo mechanical treatments of Sc and Mg modified Al-Cu alloy welds, International Journal of Advanced Manufacturing Technology (2009) 45:16–24
- Vijayan, R.Raju, S.R.K.Rao: Multi-Objective Optimization of Friction Stir Welding Process Parameters on Aluminum Alloy AA 5083 Using Taguchi Based Grey Relation Analysis, Materials and Manufacturing Processes 25: (2010) 1206-1212
- Koilraj, M., Sundareswaran, V., Vijayan, S., Koteswara Rao, S.R.: Friction stir welding of dissimilar aluminum alloys AA2219 to AA5083 – Optimization of process parameters using Taguchi technique, Materials& Design, volume 42, (2012), 1 – 7
- Selvaraj, Vela Murali, S.R. Koteswara Rao: Mechanism of weld formation during friction stir welding of aluminum alloy, Materials and Manufacturing Processes, 28: (2013) 595-600.
- Srinivasa Rao,G.M. Reddy, S.R.Koteswara Rao: Microstructure and Mechanical properties of frictions stir welded AA7075-T651 Aluminum alloy thick plates, Transactions of Non-ferrous metals Society of China, 25 (2015) 1770-1778.
- Ebenezer, S.R. Koteswara Rao,K.L. Harikrishna, G. Madhusudhan Reddy: Impression creep behavior of different zones in friction stir welded ZE41 magnesium-rare earth alloy, Materials Science & Engineering A 851 (2022) 143615 https://doi.org/10.1016/j.msea.2022.143615
- Ebenezer and S.R. Koteswara Rao: Impression Creep Behavior of an Mg–Zn–RE Alloy at Elevated Temperatures, Metallurgical and Materials Transactions A, Vol.53A, 2022—823 https://doi.org/10.1007/s11661-021-06551-8
- Ebenezer, S.R. Koteswara Rao,K.L. Harikrishna: Impression creep behavior of different zones in friction stir welded Mg–Zn–Mn wrought alloy, Journal of Materials Science, 2022, 57:15059–15077, https://doi.org/10.1007/s10853-022-07522-z
- Cyril Joseph Daniel Santiagu Damodaram Ramachandran Manogna Karthik Gangaraju, Koteswara Rao Sajja Rama: Friction deposition additive manufacturing of alloy 718: Effect of post‑heat treatment on microstructures and mechanical properties, The International Journal of Advanced Manufacturing Technology, (2023) 128:3901–3919https://doi.org/10.1007/s00170-023-12141-2
- Praveen, S.R.Koteswara Rao, G.Selva Kumar, R.Damodaram: High velocity projectile impact behaviour of friction stir welded AA7075 thick plates, Defence Technology, 29 (2023) 153-163, https://doi.org/10.1016/j.dt.2023.01.019
- Karthick Ganesan, T. Srinivasa Rao ,S.R. Koteswara Rao: Investigating the effect of stress ratio on fatigue crack growth rate behaviour in friction stir welded AA7075-T651 aluminium alloy plates, International Journal of Fatigue 188 (2024) 108527, https://doi.org/10.1016/j.ijfatigue.2024.108527
- Karthick Ganesan, S.R. Koteswara Rao, T. Srinivasa Rao, V. Rohit: Corrosion-assisted fatigue crack growth behaviour of AA 7075-T651 friction stir welded joints: Influence of extended seawater exposure on microstructure and fracture, Defence Technology, April 2025, https://doi.org/10.1016/j.dt.2025.04.021
- Denny Jacob John, S.R. Koteswara Rao, A.K.Lakshminarayanan, S. Ramesh Kumar: Microstructure and corrosion of SS316L–IN718 functionally graded structure deposited using twin-wire gas tungsten arc-based wire and arc additive manufacturing, International Journal of Pressure Vessels and Piping, 222 (2026) 105845, https://doi.org/10.1016/j.ijpvp.2026.105845
Area of Research
- Welding
- Testing and characterization of materials
- Corrosion
- Additive Manufacturing
