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Dr. RAFFI MOHAMMED

ABOUT
NAME: Dr. RAFFI MOHAMMED

M.TECH: Industrial Metallurgy, Andhra University

E- MAIL: raffimohammed@nitandhra.ac.in

POSITION: Assistant Professor & HOD

PhD: Metallurgical Engineering, Andhra University

PHONE: +91 9912164066, 8074681493


AREAS OF INTEREST: Materials Joining, Corrosion Engineering, Welding Metallurgy, Corrosion of Weldments, Surface Engineering, and Metallurgical Failure Analysis. (Presently looking for Full Time Ph. D students interested in the above research areas).

EXTERNAL LINK: https://scholar.google.com/citations?user=Jn5PUpMAAAAJ&hl=en&authuser=1
PROFILE

1. Professional (Teaching/Research) Experience:

a. Working as Assistant Professor in the Department of Metallurgical and Materials Engineering, NIT Andhra Pradesh from 11.07.2018 to date.

b. Worked as Adhoc Faculty in the Department of Metallurgical and Materials Engineering, NIT Andhra Pradesh from 08.08.2016 to 10.07.2018.

c. Worked as Senior Research Fellow (SRF) at Andhra University under UGC-Moulana Azad National Fellowship, New Delhi from 14.03.2016 to 06.08.2016.

d. Worked as Junior Research Fellow (JRF)  at Andhra University under UGC-Moulana Azad National Fellowship, New Delhi from 14.03.2014 to 13.03.2016.

 

2. Courses Taught (UG Courses): 

 i. MM401 Metal Joining

ii. MM466 Metallurgical Failure Analysis

iii. MM251 Phase Transformations and Heat Treatment

iv. MM202 Unit Processes in Extractive Metallurgy

 

3. Ongoing Ph.D. Supervision: Full Time. 03, Part Time. 03

1. Sheik Surjan (FT): Structure-Property Correlation of Stainless Steels

2. P Raghuram (PT): Leaf Spring Steels for Automotive Applications 

3. T Atmaramudu (FT): Arc Welding of Low Ni/ Ni free Stainless Steels 

4. K Ramasamy (PT): Bimetallic and Trimetallic Explosive Clads 

5. V Shashikanth (PT): Weld-Overlays on Steel Substrate for Wear and Corrosion Resistance 

6. G Arun Kumar (FT): Solid State Welding of Stainless Steels 

 

4. Guest Lectures/Invited Talks: 04

1.  Delivered Guest Lecture on  "Stress Corrosion Cracking of High Nitrogen Steel and its Welds" to M. Tech Students, Andhra University,  Visakhapatnam, 18th April 2019.

2.  Delivered Invited Talk on "Corrosion Failures of Welded Joints: Case Studies" at AICTE - One Week Online  STTP on Failure and Damage Mechanics of High-Performance Engineering Materials (Phase - III), ANITS, held during 14th - 19th September 2020.

3.  Delivered Guest Lecture on  "Role of Corrosion Damage in High Strength Engineering Materials" to BTech Students, Andhra Loyola Institute of Engineering and Technology, 09th October 2020.

4.  Delivered Invited Talk on "Corrosion Damage and Measurements" at AICTE - One Week Online  STTP on Failure and Damage Mechanics of High-Performance Engineering Materials (Phase - IV), ANITS, held during 12th - 17th October 2020.

 

5. Workshop/Faculty Development Programme organized: 03

1. Organized Five Days Online FDP on Recent Advances in Materials Characterization Techniques by Dept. of Metallurgical and Materials Engineering, NIT Andhra Pradesh from 12th – 17th October 2020.

2. Organized Five Days Online FDP on Metallurgical Aspects in Additive Manufacturing, by Dept. of Metallurgical and Materials Engineering, NIT Andhra Pradesh from 12th – 17th April 2021.

3. Organized One Day workshop on Practices in Iron and Steel Making at Visakhapatnam Steel Plant, Department of Metallurgical and Materials Engineering, NIT – Andhra Pradesh, 07th April 2018.

 

6. Awards/Achievements/Recognitions: 14

1. AMPP CORROSION AWARENESS AWARD 2023 for Distinction in Corrosion Science and Technology in Research and Education by the Association of Materials Protection and Performance (AMPP) India Chapter on 26th October 2023 with a cash award of Rs. 25,000/-. 

2. Best Paper Award at CORCON 2021 International Conference & Expo on Corrosion, organized by NACE International Gateway India Section during 18 - 20 Nov 2021 at Mumbai.

3. AMIE Project Guide WINTER 2020 session by The Institute of Engineers (India) on 10 May 2021. 

4. Member, Board of Studies (BOS), Department of Metallurgical Engineering, Andhra University, Visakhapatnam for 2020 - 2023.  

5. INAE Engineering Teachers Mentorship Program 2020 by the Indian  National Academy of Engineering (INAE) Fellow (Mentor: Prof. K. Bhanu Sankara Rao).  

6. I.T. Mirchandani Memorial Research Award - 2018 for the best research paper (Welding Metallurgy, Modelling and Extensive Testing) presented at the International Congress (IC 2017) by The Indian Institute of Welding at National Welding Seminar 2018, Kochi with a cash award of Rs.25,000/-.

7. Venus Wires Award-2018  for the Best Technical Paper on Stainless Steel Applications presented at the International Congress (IC 2017) by The Indian Institute of Welding at National Welding Seminar 2018, Kochi with a cash award of Rs.10,000/-.

8. Best Paper  Award at “International Conference on recent advances in Materials, Mechanical and Civil Engineering (ICRAMMCE 2017)” held from 1st – 2nd June 2017.

9. Best  Poster  Award at “International Institute of Welding – 6th Welding Research & Collaboration Colloquium (IIW-6thWRC)” held on 7th – 9th April 2016.

10. UGC- Moulana  Azad  National  Fellowship for PhD program at Andhra University during 2014-2016.

1!. AICTE-INAE  Travel  Grant Scheme for Oral Presentation in International Conference on Welding & Non-Destructive Testing (ICWNT 14) in Iran during 25th – 26th Feb, 2014.

12. Best Paper  Award at AMALGAM 2013 organized by the Department of Metallurgical Engineering, held at IIT Madras, Aug, 2013.

13. Executive  Committee  Member for The Indian Institute of Metals (IIM) Visakhapatnam Chapter from May 2017 - November 2018.

14. Vice  Chairman of The Indian Institute of Metals Visakhapatnam Chapter since November 2018 - till date.

 

7. Publications in SCI/Scopus (Journals/Conference Proceedings): 25 (Total Citations: 221; h-index: 08; i10-index:  07)

1. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Microstructure and pitting corrosion of shielded metal arc welded high nitrogen stainless steel, (Special Issue on Materials Joining), Defence Technology-Elsevier, 11,3,2015,  Pgs. 237-243, Citations: 47, Impact Factor: 4.035.

2. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of filler wire composition on microstructure and pitting corrosion of nickel free high nitrogen stainless steel GTA welds, Transaction of Indian Institute of Metals – Springer, 69, 10, 2016, Pgs. 1919-1927, Citations: 22, Impact Factor: 1.499.

3. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Welding of nickel free high nitrogen stainless steel – Microstructure and mechanical properties, (Special Issue on Defence Manufacturing Technology), Defence Technology, 13,2,2017 -Elsevier, Pgs. 59-71, Citations: 50, Impact Factor: 4.035.

4. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Comparitive Studies on Microstructure, Mechanical and Corrosion Behaviour of DMR 249A Steel and its Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012018, Citations: 07, Impact Factor: 0.53.

5. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of Welding Process on Microstructure, Mechanical and Pitting Corrosion Behaviour of 2205 Duplex Stainless Steel Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012026, Citations: 09, Impact Factor: 0.53.

6. Sri Ram Vikas, V.S.N. Venkata Ramana, Raffi Mohammed, G. Madhusudhan Reddy and K. Srinivasa Rao, Influence of post weld heat treatment on microstructure and pitting corrosion behaviour of dissimilar aluminum alloy friction stir welds, Materials Today: Proceedings Elsevier 2019, 15,  Part 1, Pgs. 109 - 118, Citations: 09, Impact Factor: 0.97.

7. Raffi Mohammed, E. Nanda Kumar, G.D. Janaki Ram, M. Kamaraj, G. Madhusudhan Reddy and K. Srinivasa Rao, Microstructure, mechanical and corrosion behaviour of weld overlay cladding of DMR 249A steel with AISI 308L, Materials Today: Proceedings Elsevier 2019, 15, Part 1, Pgs. 2 - 10, Citations: 08, Impact Factor: 0.97. 

8. Raffi Mohammed, Dilkush, G. Madhusudhan Reddy,   K. Srinivasa Rao, Studies on Microstructure, Mechanical and Pitting Corrosion Behaviour of Similar and Dissimilar Stainless Steel Gas Tungsten Arc Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012028 Citations: 04, Impact Factor: 0.53.

9. Dilkush, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of Post Weld Heat Treatment on Microstructure, Mechanical and Pitting Corrosion Behaviour of Gas tungsten Arc Welds of IN718 Superalloy, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012030, Citations: 03, Impact Factor: 0.53.

10. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Studies on Microstructure, Mechanical and Corrosion Properties of High Nitrogen Stainless Steel Shielded Metal Arc Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012044, Citations: 01, Impact Factor: 0.53.

11.  R Sivakumar, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao,  Experimental Study on Environment Friendly Tap Hole Clay for Blast Furnace, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012056, Citations: 01, Impact Factor: 0.53.

12. Raffi Mohammed, Ch. Venkata Rao, G. Madhusudhan Reddy, K. Srinivasa Rao, Microstructure and Pitting Corrosion Behaviour of Aluminium Copper Alloy Welds, International Journal of Innovation & Research, 3,2014, Pgs. 80-84.

13. Dilkush, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Studies on microstructure and pitting corrosion of as welded IN718 gas tungsten arc welds, SSRG International journal in mechanical engineering – Special issue May 2017, Pgs. 333-340.

14. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of Microstructure on Stress Corrosion Cracking Behaviour of High Nitrogen Stainless Steel Gas Tungsten Arc Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012015.

15. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Studies on Microstructure, Mechanical and Corrosion Properties of High Nitrogen Stainless Steel Shielded Metal Arc Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012044.

16. VSN Venkata Ramana, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao,  Influence of Welding Process and Post Weld Heat Treatment on Microstructure and Pitting Corrosion Behavior of Dissimilar Aluminium Alloy Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012033.

17. Dilkush, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of Post Weld Heat Treatment on Microstructure, Mechanical and Pitting Corrosion Behaviour of Gas tungsten Arc Welds of IN718 Superalloy, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012030.

18. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Studies on Fusion Welding of High Nitrogen Stainless Steel: Microstructure, Mechancical and Corrosion Behaviour, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012035.

19. R Sivakumar, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao,  Studies to overcome Manufacturing Problems in Blast Furnace Tap Hole Clay of Integrated Steel Plants: Experimental Approach, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012055.

20. Dilkush, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Compartive Studies on Microstructure, Mechanical and Pitting Corrosion of Post Weld Heat Treated IN718 Superalloy GTA and EB Welds, IOP Conference Series: Material Science and Engineering 330 (2018), Pgs. 012051.

21. Surjan Sheik, Raffi Mohammed, Atmaramudu Tirumalla, Arun Kumar Gurrala, Correlative Analysis of Morphology–Mechanical–Corrosion Behavior of Conventional Nickel-Based and Nitrogen-Alloyed Nickel-Free Austenitic Stainless Steels, Journal of Materials Engineering and Performance (Springer), 2022. https://doi.org/10.1007/s11665-022-07171-y,  Impact Factor: 2.099.

22. Surjan Sheik, Atmaramudu Tirumalla, Arun Kumar Gurrala, Raffi Mohammed, Effect of microstructural morphology on corrosion susceptibility of austenitic and super austenitic stainless steels, Materials Today: Proceedings (Elsevier), 2022. https://doi.org/10.1016/j.matpr.2022.06.309.

23. Arun Kumar Gurrala, Atmaramudu Tirumalla, Surjan Sheik, Raffi Mohammed, Role of nitrogen shielding environment on microstructure and corrosion behavior of 2205 duplex stainless-steel A-GTA welds, Materials Today: Proceedings (Elsevier), 2022. https://doi.org/10.1016/j.matpr.2022.06.309.

24. Atmaramudu Tirumalla, Surjan Sheik, Arun Kumar Gurrala, Raffi Mohammed, Effect of environmental condition on corrosion susceptibility of GTA welded AISI 202 austenitic stainless steel, Materials Today: Proceedings (Elsevier), 2022. https://doi.org/10.1016/j.matpr.2022.05.593.

25.  K Mohsin Khan, Thella Babu Rao, BN Manjunath, Kumar Abhinav, AR Vinod, Raffi Mohammed, Studies on the Effect of Substrate Preheating, Interlayer Dwell, and Heat Treatment on Microstructure, Residual Stress, and Mechanical Properties of IN625 Superalloy built by Direct Metal Deposition,  Journal of Engineering Materials and Technology, 2023, 145(4): 041004,  https://doi.org/10.1115/1.4062503.

 

 8. Presented in National/International Conferences: 56

1. Raffi Mohammed, Ch.Venkata Rao, G. Madhusudhan Reddy, K. Srinivasa Rao, Microstructural & Pitting Corrosion Behaviour of AA 2219 Aluminium alloy Friction Stir Welds, International Welding Symposium (IWS 2K12), Oct 30th – Nov 01st 2012, BCEC, Mumbai, 215-224.

 2. Saeed Farhang Sahlevani, Raffi Mohammed, P. Vijay kumar, G. Madhusudhan Reddy, K. Srinivasa Rao, Addition of Boron Carbide on microstructural and Corrosion Behaviour of AA 7075 Aluminium Alloy Friction Stir Welds, National Welding Seminar (NWS 2013), Feb 07th - 09th 2013, KTPO, Bangalore, 195.

 3. Raffi Mohammed, Ch.Venkata Rao, Saeed Farhang Sahlevani, G. Madhusudhan Reddy, K. Srinivasa Rao, Electrochemical Impedance Spectroscopy & Microstructural Behaviour of AA 2219 Aluminium Alloy Friction Stir Welds Using Different Tool Profiles, National Welding Seminar (NWS 2013), Feb 07th - 09th 2013, KTPO, Bangalore, 191.

 4. Raffi Mohammed, Ch.Venkata Rao, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of tool profile on Corrosion Behaviour of AA 2219 Aluminium alloy Friction Stir Welds, International Corrosion Prevention Symposium for Research Scholars (CORSYM 13), Feb 28th – Mar 02nd 2013, Chennai, 207-216.

 5. Saeed Farhang Sahlevani, Raffi Mohammed, P. Vijay kumar, G. Madhusudhan Reddy, K. Srinivasa Rao, Microstructure and Pitting Corrosion Behaviour of AA 7075 Aluminium Alloy Friction Stir Welds With Addition Of Boron Carbide, National Conference for Researchers on Latest Innovations in Mechanical Engineering (LIME 2013), Apr 28th,2013, Visakhapatnam, ISBN 978-81-909853-4-5.

 6. Raffi Mohammed, Ch.Venkata Rao, G. Madhusudhan Reddy, K. Srinivasa Rao, Influence of Tool Profile on Microstructure and Corrosion of AA2219 Aluminium – Copper Alloy Friction Stir Welds, National Conference for Researchers on Latest Innovations in Mechanical Engineering (LIME 2013), Apr 28th,2013, Visakhapatnam, ISBN 978-81-909853-4-5.

 7. Raffi Mohammed, Ch.Venkata Rao, G. Madhusudhan Reddy, K. Srinivasa Rao,  Microstructure and Pitting Corrosion Behaviour Of Aluminium Copper Alloy Welds, International Conference on Metallurgical & Materials Processes, Products and Applications (ICMPPA 2014), OPJIT, Raigarh, 80-84.

 8. Raffi Mohammed, Ch.Venkata Rao, G. Madhusudhan Reddy, K. Srinivasa Rao, Microstructure and Pitting Corrosion Behaviour of AA2219 Aluminium Alloy Gas Tungsten Arc Welds and Friction Stir Welds, International Corrosion Prevention Symposium for Research Scholars (CORSYM 14), Feb 20th – 21st 2014, Mumbai, 1-11.

 9. Raffi Mohammed, Ch.Venkata Rao, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of Welding Processes on Microstructure and Corrosion Behaviour of AA2219 – T87 Aluminium Alloy Welds, First International Conference On Welding & Non Destructive Testing (ICWNDT 14), Feb 25th – 26th,2014, Iran, 24.

 10. Saeed Farhang Sahlevani, Raffi Mohammed, P. Vijay Kumar, G. Madhusudhan Reddy, K. Srinivasa Rao, Effect of Boron Carbide Addition on Microstructure and Pitting Corrosion Behaviour of AA 7075 Aluminium Alloy Friction Stir Welds, First International Conference On Welding & Non Destructive Testing (ICWNDT 14), Feb 25th – 26th,2014, Iran, 05.

 11. Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Microstructure and pitting corrosion behaviour of high nitrogen stainless steel gas tungsten arc welds, National Weld Meet  (NWM 14), Sept 05th – 06th 2014, Kilakarai, Tamilnadu, 44.

 12. G. Madhusudhan reddy, Ch. Venkata Rao, Raffi Mohammed, P.Vijaya Kumar, K. Srinivasa Rao, Microstructure and pitting corrosion behaviour of AA2219 Aluminium alloy friction stir welds, National Weld Meet  (NWM 14), Sept 05th – 06th 2014, Kilakarai, Tamilnadu, 41.

 13. Raffi Mohammed, G. Madhusudhan reddy, K. Srinivasa Rao, Studies on microstructure and pitting corrosion of high nitrogen stainless steel fusion welds, National Welding Seminar & Weld India (NWS 2014-15), Jan 22-24, 2015, Jamsedhpur, 15.

 14. Raffi Mohammed, G. Madhusudhan reddy, K. Srinivasa Rao, Studies on microstructure and pitting corrosion of high nitrogen stainless steel shielded metal arc welds, International Corrosion Prevention Symposium for Research Scholars (CORSYM 15), July 31st – Aug 1st 2015, IIT Chennai, 09.

 15. Raffi Mohammed, G. Madhusudhan reddy, K. Srinivasa Rao, Studies on microstructure, mechanical and corrosion behaviour of nickel free high nitrogen steel and its welds,  International Institute of Welding - 6th Welding & Research Colloquium (IIW-6th WRC), Apr 07th – 09th, 2016, Hyderabad, 76.

 16. Raffi Mohammed, G. Madhusudhan reddy, K. Srinivasa Rao, Stress corrosion cracking behaviour of nickel free high nitrogen stainless steel gas tungsten arc welds, National Welding Seminar & Weld India 2016 (NWS 2016), Dec 15th – 17th, 2016, Kolkata, 50.

 17. Raffi Mohammed, G. Madhusudhan Reddy,  K. Srinivasa Rao, Effect of Microstructure on Stress Corrosion Cracking Behaviour of High Nitrogen Stainless Steel Gas Tungsten Arc Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 45.

 18. Raffi Mohammed, G.Madhusudhan Reddy,   K. Srinivasa Rao, Studies on Microstructure, Mechanical and Corrosion Properties of High Nitrogen Stainless Steel Shielded Metal Arc Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 46.

 19. Raffi Mohammed, Dilkush, G. Madhusudhan Reddy,   K. Srinivasa Rao, Effect of Welding Process on Microstructure, Mechanical and Pitting Corrosion Behaviour of 2205 Duplex Stainless Steel Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 47.

 20. Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Comparitive Studies on Microstructure, Mechanical and Corrosion Behaviour of DMR 249A Steel and its Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 48.

 21. VSN Venkata Ramana, Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao,  Influence of Welding Process and Post Weld Heat Treatment on Microstructure and Pitting Corrosion Behavior of Dissimilar Aluminium Alloy Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 49.

 22. Dilkush, Raffi Mohammed, G. Madhusudhan Reddy,   K.Srinivasa Rao, Effect of Post Weld Heat Treatment on Microstructure, Mechanical and Pitting Corrosion Behaviour of Gas tungsten Arc Welds of IN718 Superalloy, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 50.

 23. VSN Venkata Ramana, Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Effect of Post Weld Heat Treatment on Corrosion Behavior of AA2014 Aluminum - Copper Alloy Electron Beam Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 51.

 24. Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Studies on Fusion Welding of High Nitrogen Stainless Steel: Microstructure, Mechancical and Corrosion Behaviour, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 52.

 25. R Sivakumar, Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Experimental Study on Environment Friendly Tap Hole Clay for Blast Furnace, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 53.

 26. R Sivakumar, Raffi Mohammed, G. Madhusudhan Reddy, K. Srinivasa Rao, Studies to overcome Manufacturing Problems in Blast Furnace Tap Hole Clay of Integrated Steel Plants: Experimental Approach, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 54.

 27. Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Study on Failure Analysis of a Seamless Medium Carbon Steel Boiler Tube, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 55.

 28. Dilkush, Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Comparitive Studies on Microstructure, Mechanical and Pitting Corrosion of Post Weld Heat Treated IN718 Superalloy GTA and EB Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad, 56.

 29. Raffi Mohammed, Dilkush, G. Madhusudhan Reddy,   K. Srinivasa Rao,  Studies on Microstructure, Mechanical and Pitting Corrosion Behaviour of Similar and Dissimilar Stainless Steel Gas Tungsten Arc Welds, International Conference on recent advances in materials, mechanical and civil engineering (ICRAMMCE 2017), June 1-2, 2017, Hyderabad,57.

 30. Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Studies on Microstructure, Mechanical and Corrosion Behaviour on Friction Stir Welds of High Nitrogen Stainless Steel, 5th International Congress of the International Institute of Welding (IC 2017), Dec 7th – 9th, 2017, Chennai, C034.

 31. Chitrada Prasad, Raffi Mohammed, K. Srinivasa Rao , K Ramji, Improvement of Corrosion resistance of Mild steel with Pulsed Electro deposited ZrO2 -TiO2 Nano composite coating, 5th International Corrosion Prevention Symposium for Research Scholars (CORSYM 2018), March 23rd & 24th, 2018, IIT Madras, 57.

32. Sri Ram Vikas, V.S.N. Venkata Ramana, Raffi Mohammed, G. Madhusudhan Reddy and K. Srinivasa Rao, Influence of post weld heat treatment on microstructure and pitting corrosion behaviour of dissimilar aluminum alloy friction stir welds, National Conference on Frontiers in Corrosion Control of Materials (FCCM-2018), June 28th – 29th 2018, NIT Warangal, 31.

 33. Raffi Mohammed, G.D. Janaki Ram, M. Kamaraj, G. Madhusudhan Reddy and K. Srinivasa Rao, Microstructure, mechanical and corrosion behaviour of weld overlay cladding of DMR 249A steel with AISI 308L, National Conference on Frontiers in Corrosion Control of Materials (FCCM-2018), June 28th – 29th 2018, NIT Warangal, 01.

34. Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Localized Corrosion and Stress Corrosion Cracking Resistance of Electron Beam Welded Nickel Free High Nitrogen Stainless Steel, International Conference of Advanced Materials and Processes for Defence Applications (ADMAT-2019), Sep 23rd - 25th 2019, organised by Defence Metallurgical Research Laboratory (DMRL), Hyderabad and ASM India National Council, 74. 

35. Kishore Chandra Mouli L, Raffi Mohammed, G. Madhusudhan Reddy,   K. Srinivasa Rao, Effect of ageing and post weld heat treatments on microstructure and pitting corrosion behaviour of 1441 grade Al-Li alloy friction stir welds, International Conference of Advanced Materials and Processes for Defence Applications (ADMAT-2019), Sep 23rd - 25th 2019, organised by Defence Metallurgical Research Laboratory (DMRL), Hyderabad and ASM India National Council, 10. 

36. Nelli Meghana, K Venkata Tejash and Raffi Mohammed, Microstructure and corrosion behaviour of AA2219 aluminium alloy friction stir welds using square and hexagon tool pins, 57th National Metallurgist's  Day and 73rd Annual Technical Meeting (NMD-ATM 2019), Nov 13th - 16th 2019, organized by VSSC Trivandrum and The Indian Institute of Metals, Thiruvananthapuram.

37. Raffi Mohammed, G Madhusudhan Reddy, K Srinivasa Rao, Environmental assisted cracking behaviour of welded high nitrogen stainless steel in boiling magnesium chloride solution, 5th International Congress (IC 2020), Feb 06th - 08th 2020, organized by The Indian Institute of Welding Mumbai, 100.

38. Raghuram Peddinti, Raffi Mohammed, Studies on correlation of microstructural morphology on corrosion behaviour of spring steel grades SUP9 and SUP11A,  75th Annual Technical Meeting (IIM-ATM 2021), 13th to 15th of November 2021, organized by Jamshedpur and Kolkata chapters of The Indian Institute of Metals in association with Tata Steel Ltd. 

39. Kannan Ramasamy, Suresh Benhur, Raffi Mohammed, Microstructure characterization and bonding evaluation of zirconium-titanium-stainless steel trimetallic clad joints using explosive welding, 75th Annual Technical Meeting (IIM-ATM 2021), 13th to 15th of November 2021, organized by Jamshedpur and Kolkata chapters of The Indian Institute of Metals in association with Tata Steel Ltd. 

40.  Surjan Sheik, Atmaramudu Tirumalla, Arun Kumar Gurrala and Raffi Mohammed, Microstructural and corrosion property correlation of Cr-Ni, Cr-Mn and Cr-Ni-Mo-Cu based austenitic stainless-steels,  CORCON 2021 International Conference & Expo on Corrosion, organised by NACE International Gateway India Section during 18 - 20 Nov 2021 at Mumbai.

41. Atmaramudu Tirumalla, Surjan Sheik, Arun Kumar Gurrala and Raffi Mohammed, Corrosion studies on GTA welded AISI 202 austenitic stainless-steel butt joints in chloride medium, International Conference & Expo on Corrosion (CORCON 2021), organised by NACE International Gateway India Section during 18 - 20 Nov 2021 at Mumbai.

42. Arun Kumar Gurrala, Atmaramudu Tirumalla, Surjan Sheik and Raffi Mohammed, Effect of shielding environment on microstructure and corrosion behaviour of 2205 duplex stainless-steel weldments, International Conference & Expo on Corrosion (CORCON 2021), organised by NACE International Gateway India Section during 18 - 20 Nov 2021 at Mumbai.

43. Raghuram Peddinti, Raffi Mohammed, Studies on effect of tempering temperatures on corrosion behaviour of spring steel grades SUP9 and SUP11A, International Conference & Expo on Corrosion (CORCON 2021), organised by NACE International Gateway India Section during 18 - 20 Nov 2021 at Mumbai.

44. Atmaramudu Tirumalla, Surjan Sheik, Arun Kumar Gurrala and Raffi Mohammed, Effect of environmental condition on corrosion susceptibility of GTA welded AISI 202 austenitic stainless-steel, An International Conference on Advances in Materials Processing (ICAMP 2022), Jointly Organized by Department of Metallurgical and Materials Engineering & Department of Chemical Engineering, NIT Raipur. during Jan 08th - 09th 2022.

45. Arun Kumar Gurrala, Atmaramudu Tirumalla, Surjan Sheik and Raffi Mohammed, Role of shielding environment on microstructure and corrosion behaviour of 2205 duplex stainless-steel weldments,  An International Conference on Advances in Materials Processing (ICAMP 2022), Jointly Organized by Department of Metallurgical and Materials Engineering & Department of Chemical Engineering, NIT Raipur. during Jan 08th - 09th 2022.

46.  Surjan Sheik, Atmaramudu Tirumalla, Arun Kumar Gurrala and Raffi Mohammed, Microstructural morphology on corrosion susceptibility of austenitic and super austenitic stainless-steels,  An International Conference on Advances in Materials Processing (ICAMP 2022), Jointly Organized by Department of Metallurgical and Materials Engineering & Department of Chemical Engineering, NIT Raipur. during Jan 08th - 09th 2022. 

47.  Atmaramudu Tirumalla, Narasimha Reddy S and Raffi Mohammed, Electrochemical studies on corrosion behavior of low nickel-based austenitic stainless-steel weldments in chloride-containing seawater environment, 3rd International Conference on Chemical, Bio & Environmental Engineering (CHEMBIOEN 2022), , Jointly Organized by Department of Chemical Engineering, NIT Jalandar and B.V. Raju Institute of Technology. during Nov 04th - 05th 2022. 

48. Raffi Mohammed,  Influence of N2 shielding on weld morphology, localized and intergranular corrosion susceptibility of A-TIG welded 2205 duplex stainless steels, 76th Annual Technical Meeting (IIM-ATM 2022), 13th to 16th, November 2022, organized by Hyderabad and Vizag chapters of The Indian Institute of Metals in association with DMRL. 

49. Raghuram Peddinti and Raffi Mohammed, Correlation of tempering treatments on microstructure and corrosion behaviour of SUP9 and SUP11A leaf spring steels, 2nd International Conference on Advanced Materials and Manufacturing Processes (ICAMMP-2023) organized by the Department of Metallurgical Engineering, College of Engineering Vizianagaram, Jawaharlal Nehru Technological University Gurajada Vizianagaram, (JNTUGV), Andhra Pradesh, India. during 3rd and 4th March 2023.

50. Surjan Sheik and Raffi Mohammed, Effect of high temperature ageing on sensitization and pitting corrosion behavior of nickel-free high nitrogen austenitic stainless steel, 29th International Conference & Expo on Corrosion (CORCON 2023), organised by AMPP INDIA Chapter (Formerly NACE International India Section) during 25 - 28 October 2023 at Sahara Star, Mumbai, (Paper ID: CMT31).

51. Atmaramudu Tirumalla and Raffi Mohammed, Localized corrosion and cyclic oxidation behavior of low nickel-based austenitic stainless-steel GTA welds, 29th International Conference & Expo on Corrosion (CORCON 2023), organised by AMPP INDIA Chapter (Formerly NACE International India Section) during 25 - 28 October 2023 at Sahara Star, Mumbai, (Paper ID: CMT33).

52. Makereddi Ravi, Surjan Sheik Nagumalla Rushyanth Kumar, Reddi Praveen and Raffi Mohammed, Effect of filler metal on microstructure-mechanical-localized corrosion properties of 316L stainless-steel gas tungsten arc welds, 29th International Conference & Expo on Corrosion (CORCON 2023), organised by AMPP INDIA Chapter (Formerly NACE International India Section) during 25 - 28 October 2023 at Sahara Star, Mumbai, (Paper ID: CMT42).

53.  Arun Kumar Gurrala and Raffi Mohammed, Effect of friction stir welding on microstructure, mechanical and pitting corrosion behavior of 304L austenitic stainless steel, 29th International Conference & Expo on Corrosion (CORCON 2023), organised by AMPP INDIA Chapter (Formerly NACE International India Section) during 25 - 28 October 2023 at Sahara Star, Mumbai, (Paper ID: CMT44).

54.  Raffi Mohammed and Arun Kumar Gurrala, Effect of post weld heat treatment on microstructure and pitting corrosion behaviour of 2205 duplex stainless steel flux assisted TIG welds, 29th International Conference & Expo on Corrosion (CORCON 2023), organised by AMPP INDIA Chapter (Formerly NACE International India Section) during 25 - 28 October 2023 at Sahara Star, Mumbai (Paper ID: YSF34).  

55. Raffi Mohammed, Chloride-Induced Pitting and Stress Corrosion Cracking of Welded Nickel Free High Nitrogen Austenitic Stainless Steel, 3rd International Conference on Recent Advances in Materials and Manufacturing Technologies (IMMT 2023), organised by BITS Pilani, Dubai during 20 - 23 November 2023 at Dubai, UAE.  

56. Kannan Ramasamy, Raffi Mohammed, Studies on microstructure and mechanical behavior of explosive welded zirconium-titanium-stainless steel, 3rd International Conference on Recent Advances in Materials and Manufacturing Technologies (IMMT 2023), organised by BITS Pilani, Dubai during 20 - 23 November 2023 at Dubai, UAE.  

 

9.Sponsored/Funded Projects: 01

1. INSTITUTE SEED GRANT of Rs. 3,00,000/- for the Project titled "Studies on Sensitization and Inter-granular corrosion susceptibility of Fe-Cr-Ni and Fe-Cr-Mn-N Austenitic Stainless Steel and GTA  Welds" for the period 2018-2020 (completed).

 

 10. Life Membership in Professional Bodies:

 1. The Institute of Engineers (India) (M1638753)

 2. Society for Failure Analysis (India) ( FLM-SFA-0540)

 3. AMPP International (11484449)

 4. The Indian Institute of Metals (55513)

 5. The Indian Institute of Welding (13938) 

 

11. Academic and Administration Activities:

1. Serving as Head of the  Department of Metallurgical & Materials Engineering, NIT Andhra Pradesh since 03.10.2023.

Served as Head of the  Department of Metallurgical & Materials Engineering, NIT Andhra Pradesh from 10.09.2018 - 01.10.2020.

2. Serving as Vice  Chairman of The Indian Institute of Metals Visakhapatnam Chapter from 06th November 2018 to till date.

3.  Member of Women Grievance Cell, NIT Andhra Pradesh since 26 June 2019.  

4.  Member of the Institute Innovation Council, NIT Andhra Pradesh since 06th September 2022.

5. Formed the  Indian Institute of Metals (IIM) Student Affiliate Chapter on 17th April 2017 at NIT Andhra Pradesh.

6. Serving as Faculty Advisor for Metallurgical and Materials Engineering Association (MMEA) for the academic year 2021-23 at NIT – Andhra Pradesh.

7. Established Physical Metallurgy and Heat Treatment Laboratory, Extractive Metallurgy Laboratory and Corrosion Engineering Laboratory at NIT Andhra Pradesh.

7. Served as Coordinator for the Department of Metallurgical and Materials Engineering, NIT – Andhra Pradesh for the academic year 2016-17 and 2017-18.

9. Served as Coordinator for the Indian Institute of Metals – NIT AP Student Chapter, NIT – Andhra Pradesh for 2016-17 and 2017-18.

10. Served as Faculty Advisor for Metallurgical and Materials Engineering Association (MMEA) for the academic year 2016-17 at NIT – Andhra Pradesh.

11. Served as Faculty Advisor of 2nd Year B.Tech MME for the winter semester registrations at NIT – Andhra Pradesh from 27th – 29th December 2016.

12. Program coordinator for the first inauguration of the Student Technical Association of Metallurgical and Materials Engineering (MMEA) for the academic year 2016-17, on 28th November 2016.

13. Coordinator for Internships/Industrial training of MME Department, NIT – Andhra Pradesh for 2016-17 and 2017-18.

14. Served as Media Head for the Technical and Cultural Fest, VULCANZY 2017, NIT-Andhra Pradesh.

 

12. Board of Studies: 

1. Serving as Member - Secretary, Board of Studies (Under graduation), Department of Metallurgical and Materials Engineering, NIT Andhra Pradesh.

2. Served as Chairman, Board of Studies (Post Graduation) for the proposed M. Tech (Materials Technology) course, Department of Metallurgical and Materials Engineering, NIT Andhra Pradesh.

3.  Member, Board of Studies, Department of Metallurgical Engineering, Andhra University for 01.10.2020 to 30.09.2023.

 

13. Attended/Conducted National Workshops/ Short Term Courses:

1. National workshop on Welding Research Today: Challenges and Opportunities, Department of Metallurgical and Materials Engineering, IIT-Madras, 23rd – 24th Nov 2012.

2. National workshop on Advances in Materials Processing, Department of Metallurgical Engineering, Andhra University College of Engineering (A), 22nd – 23rd Mar 2013.

3. National Workshop on Recent Advances in Welding Metals, Department of Mechanical Engineering, Andhra University College of Engineering (A), 29th – 30th Apr 2013.

4. NRB Research Dissemination Workshop on Titanium Matrix Composites, Department of Metallurgical and Materials Engineering, IIT-Madras, 30th Aug 2013.

5. Short-term training course on Corrosion and its Control, Department of Chemistry, SRM University, 30th – 31st Jan 2014.

6. One-day awareness workshop on Intellectual Property Rights, Andhra Pradesh Information State Council of Science and Technology & Andhra University, 20th Mar 2014.

7. Severe Plastic Deformation and Bulk Nano-Structured Materials, UGC Networking Resource Centre for Materials, IISc Bangalore, 12th – 14th May 2014.

8. Advances in Corrosion Engineering, UGC Networking Resource Centre for Materials, IISc Bangalore, 22nd – 24th Dec 2014.

9. Interface Related Mechanical Behaviour of Materials – II, UGC Networking Resource Centre for Materials, IISc Bangalore, 27th – 28th Nov 2015.

10. 3rd Short Term Course on Corrosion and its Control and Characterization, Department of Metallurgical and Materials Engineering and Department of Chemical Engineering, NIT Rourkela, 13th  - 17th Dec 2021.

11. Technical course (Webinar) on Localised Corrosion of Stainless Steel Weldments, The Indian Institute of Welding Mumbai Branch, 05th  - 06th Aug 2022.

 

14. Reviewer of International Journals:

1. Corrosion Science

2. Journal Of Materials Engineering and Performance

3. Materials Performance and Characterization

4. International Journal of Heat and Mass Transfer

5. Defence Technology

6. Journal of Materials Processing and Technology

7.  Journal of Alloy and Compounds

8. Fusion Engineering and Design

9. Materials Today: Proceedings  

10. Surfaces and Interfaces

11. Materials Today Communications

12. Transaction of The Indian Institute of Metals

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