Dr. S.Gopi

AREA OF SPECIALIZATION 

Production Engineering, Welding, Casting, Surface Processing, Experimental Design Technique, Product Design.

WORKING EXPERIENCE

List of Research Scholars who have completed their Ph.D/M.S(By Research) degree under my guidance:

List of Research Scholars who have currently pursuing their Ph.D/M.S(By Research) degree under my guidance:

LIST OF PUBLICATIONS

International Journals

1. Gopi, S. and Manonmani, K. “Influence of Shoulder Profile and Shoulder Penetration on Joint Strength; of Friction Stir Welded AA6082 in Conventional Milling Machine”, European Journal of Scientific Research, 2012, Vol.73; No.1; pp 20-32. ISSN 1450-216X.
2. Gopi, S. and Manonmani, K. “Predicting Tensile Strength of Double Side Friction Stir Welded 6082-T6 Aluminium Alloy”, Science and Technology of Welding and Joining, 2012, Vol.17; No.7; pp.601-607. DOI 10.1179/1362171812Y.0000000055.
3. Gopi, S. and Manonmani, K. “Optimization of Process Parameters on Joint Strength of Friction Stir Welded 6082-T6 Aluminium Alloy”, International Journal of Materials Science, 2012, Vol.7; No.3; pp.223-232. ISSN 0973-4589.
4. Gopi, S. and Manonmani, K. “Study of Friction Stir Welding Parameters in Conventional Milling Machine for 6082-T6 Aluminium Alloy”, Australian Journal of Mechanical Engineering, 2012, Vol.10; No.2; pp. 129-140. http://dx.doi.org/10.7158/M12-016.2012.10.2.
5. Gopi, S. and Manonmani, K. “Microstructure and Mechanical Properties of Friction Stir Welded 6082-T6 AluminiumAlloy”, Australian Journal of Mechanical Engineering, 2013, Vol.11; No.2; pp. 131-138. http://dx.doi.org/10.7158/M12-100.2013.11.2.
6. Martin Vinoth, S.; Manonmani, K. and Gopi, S. "FSW of Contradictory Ingredients among Alloy Mixtures and Copper" International Journal of Computer Sciences and Engineering, 2014, Vol. 2; pp. 80-86. E-ISSN: 2347-2693.
7. Dhanesh G Mohan, and Gopi, S. “A Review on Friction Stir Welded T-Joint”, International Journal of Science Technology & Engineering, 2016, Vol. 2; No.07; pp. 40-45. E-ISSN: 2349-784X.
8. Sasikumar, Gopi, S. and Vadivel, S. M. "Effect of Process Parameters on Joint Strength in Friction Stir Welding of Aluminium Alloy 6082 T6" Industrial Engineering Journal, 2016, Vol. IX; No.11; pp. 14-19. ISSN: 0970-2555.
9. Dhanesh G Mohan, S.Gopi & V.Rajasekar, “Mechanical and Corrosion- Resistant Properties of Hybrid- Welded Stainless Steel”, Materilas performance, NACE International, January 2018, Vol.57; No.1; pp. 53-56. ISSN:0094-1492.
10. Dhanesh G Mohan & S.Gopi, “Induction assisted friction stir welding: a review” Australian Journal of Mechanical Engineering, January 2018, Vol.16, No.2; pp. 1-5. http://dx.doi.org/10.1080/14484846.2018.1432089.
11. Dhanesh G Mohan, S.Gopi & V.Rajasekar, "Effect of induction heated friction stir welding on corrosive behaviour, mechanical properties and microstructure of AISI 410 stainless steel", Indian Journal of Engineering and Materials Sciences, June 2018, Vol.25; pp. 203-208. ISSN:0971-4588 (online), 0975-1017 (print).
12. A Sasikumar, S Gopi* & Dhanesh G Mohan, “Effect of Fillers on Microstructure and Tensile strength of Friction Stir Welded Dissimilar Aluminium Alloys”, Materials Research Express, May 2019, Vol.6(8). pp. 1-11. https://dx.doi.org/10.1088/2053-1591/ab1cd6.
13. L.Selvarajan, R.Rajavel, B.Prakash, Dhanesh G. Mohan, & S.Gopi, “Investigation on Spark Electrical Discharge Machining of Si3N4 based Advanced Conductive Ceramic Composites”, Materials Today Proceedigs, October 2019, https://doi.org/10.1016/j.matpr.201909.090
14. Sasikumar, S.Gopi, M.Sathish Kumar & L.Selvarajan, Predicting Tensile Strength of  Filler Added Friction Stir Welded AA6082 and AA5052 Dissimilar Joint, Materials Today Proceedigs, January 2020, https://doi.org/10.1016/j.matpr.2020.01.258
15. M.Sathish Kumar, S.Gopi, N.Sivashanmugam & A.Sasikumar, “A study on corrosion behavior of stainless steel dissimilar alloy weld joints (321 & 347)”, Materials Today Proceedigs, February 2020, https://doi.org/10.1016/j.matpr.2020.01.475
16. Dhanesh G Mohan, S.Gopi & A.Sasikumar, “Examining the Mechanical and Metallurgical Properties of Single Pass Friction Stir Welded Dissimilar Aluminium Alloys Tee Joints”, Materials Science and Technology, February 2021, 3(1). Pp. 6 – 12. ISSN: 2634-5331.
17. Dhanesh G Mohan and S.Gopi, “Optimized Parameters Prediction for Single-Pass Friction Stir Welding on Dissimilar Aluminium Alloys T- Joint”, International Journal on Emerging Technologies, April 2021, Vol.12, No.2. pp. 15-20. ISSN No. (Online): 2249-3255.
18. S Gopi and Dhanesh G Mohan, “Evaluating the Welding Pulses of Various Tool Profiles in Single-Pass Friction Stir Welding of 6082-T6 Aluminium Alloy”, Journal of Welding and Joining, Apr 2021, Vol.(39) No.3, pp.284-294. https://doi.org/10.5781/JWJ.2021.39.3.7
19. Dhanesh G Mohan and S.Gopi, “Influence of In-situ induction heated friction stir welding on tensile, microhardness, corrosion resistance and microstructural properties of martensitic steel”, Engineering Research Express, May 2021, Vol.(3), No.2, https://doi.org/10.1088/2631-8695/abfe1d.
20. A Sasikumar, S Gopi, and Dhanesh G Mohan, “Effect of welding speed on mechanical properties and corrosion resistance rates of filler induced friction stir welded AA6082 and AA5052 joints”, Materials Research Express, June 2021, Vol.(8) No.6, https://doi.org/10.1088/2053-1591/ac0c9e.
21. Dhanesh G Mohan, Jacek Tomków and S Gopi, “Induction assisted hybrid friction stir welding of dissimilar materials AA5052 aluminium alloy and X12Cr13 stainless steel”, Advances in Materials Science, Sep 2021, Vol.(21) No.3, pp.17-30, DOI: 10.2478/adms-2021-0015.
22. CJ AnandhaKumar, S Gopi, SS Kumar and DG Mohan, “Predicting the ultimate tensile strength and wear rate of aluminium hybrid surface composites fabricated via friction stir processing using computational methods”, Journal of Adhesion Science and Technology, Sep 2021, Vol.() No. , pp.1-20. https://doi.org/10.1080/01694243.2021.1982237.
23. M Balamurugan, S Gopi, and DG Mohan, “Influence of tool pin profiles on the filler added friction stir spot weldeddissimilar aluminium alloy joints”, Materials Research Express, Sep 2021, Vol.(8) No.9, https://doi.org/10.1088/2053-1591/ac2771.
24. CJ AnandhaKumar, S Gopi, SS Kumar and DG Mohan, “Mechanical, Metallurgical and Tribological Properties of Friction StirProcessed Aluminium Alloy 6061 Hybrid Surface Composites”, Surface Topography: Metrology and Properties, Nov 2021, Vol.(9) No.4, https://doi.org/10.1088/2051-672X/ac3120.
25. Dhanesh G Mohan, S Gopi, Jacek Tomków, and Shabbir Memon, “Assessment of corrosive behaviour and microstructure characterization of hybrid friction stir welded martensitic stainless steel”, Advances in Materials Science, Dec 2021, Vol.(21) No.4, https://doi.org/10.2478/adms-2021-0025
26. B Varun, S Gopi, and R Manikandan, “Influence of cowpat ash particles on micro structure, mechanical and tribological properties of Al 7075 composites”, Journal of Ceramic Processing Research, Aug 2022, Vol.(23) No.4, http://dx.doi.org/10.36410/jcpr.2022.23.4.511
27. A Sasikumar, S Gopi, and Dhanesh G Mohan, “Prediction of filler added friction stir welding parameters for improving corrosion resistance of dissimilar aluminium alloys 5052 and 6082 joints”, Advances in Materials Science, Sep 2022, Vol.(22), No.3, https://doi.org/10.2478/adms-2022-0014
28. J Yokesh Kumar, S Gopi, and KS Amirthagadeswaran, “Redesigning and numerical simulation of gating system to reduce cold shut defect in submersible pump part castings”, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, Jun 2023, Vol.(237) No.3, https://doi.org/10.1177/09544089221142185
29. B Varun, S Gopi, and R Manikandan, “Experimental studies on the effects of reinforcing cowpat ash with aluminium composites”, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, Oct 2023, Vol.(237) No.5,  https://doi.org/10.1177/09544089221129862
30. S Gopi, Dhanesh G Mohan, and Elango Natarajan, “Mechanical and Corrosion Properties of Friction Stir Welded and Tungsten Inert Gas Welded Phosphor Bronze”, Advances in Materials Science, Dec 2023, Vol.(23) No.4, https://doi.org/10.2478/adms-2023-0024
31. S Gopi, and Dhanesh G Mohan, "Microhardness and corrosion properties of friction stir welded phosphor bronze", The Paton Welding Journal, Jan 2024, No.2 (07), pp. 3-7. https://doi.org/10.37434/tpwj2024.02.01

International Conferences

1. S.Gopi, P.Saravanan, K.Manonmani & V.Sritharan, “Predicting tensile strength of double side friction stir welded 6082-T6 aluminium alloy by a mathematical model”, International Conference on Manufacturing Excellence (MANFEX 2012), Department of Mechanical & Automation Engineering, Amity School of Engineering & Technology, Amity University Uttar Pradesh, Noida-201303, 29 - 30 March 2012, pp. 52-58.
2. S.Gopi & K.Manonmani, “Optimization of process parameters for friction stir welding of 6082-T6 aluminium alloy by Taguchi method", International conference on recent advances in mechanical engineering (INCRAME 2012), Dr.M.G.R. Educational and Research Institute University, Adayalampattu, Chennai-95, APRIL 19-20, 2012.
3. Dhanesh G Mohan, Gopi, S., and Sritharan, V. "Friction stir welding of dissimilar alloys: a review", Proceedings of ICMACE'14 - International Conference, February 19-20, 2014.
4. Soundhar, A., Sritharan, V., and Gopi, S. “Prediction of shear strength of Dissimilar aluminium alloy lap joint”, Proceedings of International Conference on Advances in Materials, Manufacturing and Applications (AMMA 2015), National Institute of Technology, Tiruchirapalli, April 9-11, 2015, pp. 425-432.
5. Varun, B., Gopi, S., and Muthukumar, V. “Synthesis and characterization of silica carbide and boron carbide particulate reinforces AA6082 / (SiC+B₄C) aluminium alloy composites via friction stir processing”, Proceedings of 1st International Conference on Recent Advances in Mechanical Engineering, Government College of Engineering, Salem, March 02-03, 2017, pp. 74.
6. Yasin, J., Rajkumar, G., and Gopi, S. “Study of Process parameters of friction stir butt welded aluminium alloy 6082-T6 in various heat working conditions”, Proceedings of 1^st International Conference on Recent Advances in Mechanical Engineering, Government College of Engineering, Salem, March 02-03, 2017, pp. 81.
7. Muthukumar, V., Gopi, S. and Varun, B., “Optimization of Surface Roughness in CNC and end milling of Aluminium 6063”, International Conference on Advances in Metallurgy, Materials and Manufacturing (ICAMMM 2017), Department of Metallurgical Engineering, Government College of Engineering, Salem, March 6-8, 207, pp. 188-193.
8. Rajkumar, G., Yasin, J., Gopi, S., and Dhanesh G Mohan. “Influence of Process parameters in friction stir welded aluminium alloy 6082-T6 in various heat working conditions”, Proceedings of the International Conference on recent Innovations in production Engineering (RIPE 2017), MIT, Anna University, Chennai, March 24-25, 2017, pp. 173.
9. Dhanesh G Mohan, and Gopi, S. "Study on the mechanical behaviour of friction stir welded aluminium alloys 6061 with 5052", The 8th industrial Automation and Electromechanical Engineering Conference (IEEE IEMECON 2017), Institute of Engineering & Management, Bangkok, Thailand, August 16-18, 2017. (Got Best Paper Award)
10. Selvarajan L, Prakash B, Rajavel R, Dhanesh G Mohan, and Gopi S. “Investigation on electrical discharge machining of Si₃N₄ based advanced ceramic composites”, International Conference on Materials and Manufacturing Methods (3M – 2019), NIT, Tiruchirapalli, July 5- 7, 2019.

 National Conferences

1. Gopi, S., Prabhakar, K.S. and Manonmani, K. “Transient analysis of thermal cycles in laser welding using FEA", National conference on advances in steel, concrete and composite structures(ASCCS 2009), Department of Civil Engineering, Government College of Technology, Coimbatore-13, APRIL 24-25, 2009, pp.77.
2. Varun, B., and Gopi, S. “Fabrication of a new Al-Al2O3-CNTS composite using friction stir processing (FSP)”, Proceedings of the National Conference on Recent Advances in Manufacturing, Design and Thermal Engineering (RAMDTE 2017) Department of Mechanical Engineering- SRIT, Coimbatore 19.

RESEARCH ACTIVITIES

Supervisor: for the candidates pursuing doctoral programme (Ph.D.) – 10 Candidates (9 Part Time & 1 Full Time) 

Researches: going on the following areas

• Induction heated friction stir welding: tool design and welding
• Friction stir processing
• Microwave welding
• Study on machining characteristics of aluminium based MMC 
• Characteristic study of natural fibre composite
• Improving of yield in casting

Reviewed: few manuscripts for SCI journals including Materials and Manufacturing Processes, Materials and Testing, Braz Journal of Mechanical Sciences, Materials Research Express, Engineering Research Express, Surface Topography: Metrology and Properties, Journal of Adhesion Science and Technology, Australian Journal of Mechanical Engineering, Journal of Materials Science Research and Reviews, Journal of Engineering Research and Reports, Metals and Materials International, Materials Research, Current Sciences, Measurement and Control, Journal of Manufacturing Engineering,  etc.,

Delivered few Guest Lectures 

Acted as a Co-ordinator: for Student Research Foundation till 2020 (UG students)

Mentor: for the eYantra ideas national level competition project "Legmate Robo - Human Intelligence" represented and secured third place in the final event held at IIT Mumbai.

COURSES / WORKSHOPS / SEMINARS / CONFERENCES ORGANIZED

• One day national seminar was coordinated on "Industrial Safety"
• One day seminar was conducted on “Acquiring Proficiency in English Communication to be Better Engineers”
• Two day workshop was conducted on “PLC Based Advanced Automation”
• Seminar on "Hydraulics - Hi-Lo Circuit"
• One day workshop was conducted on "Recent Trends in Production Engineering"
• Seminar on "Placement in Defence Sector for Engineers"
• Two day workshop was conducted on "Entreprenuership Developement, Innovation and Startup"

MEMBERSHIP IN PROFESSIONAL BODIES

• Member in Indian Society of Technical Education
• Member in Society of Automative Engineers
• Member in Indian Welding Society
• Member in Production Engineering Association

RESPONSIBILITIES & ACHIEVEMENTS

Acted as a Member in Anna University Affiliation Committee

Acted as a Member in Bharathiyar University Affiliation Committee for BSc Vocational Programme 

Acted as a Member in Fee Fixation Inspection Committee

Acted as a Member in First Graduation Inspection Committee

Acted as a DOTE Nominee to Monitor the Govt. Aided Polytechnic Admission

Have been a BOG member for two Self-Financing Engineering Colleges (appointed by DOTE)

Acted as a Question setter for TRB recruitment examinations

Academic council member of Government College of Technology (GCT), coimbatore 

Acted as a expert in Question paper scrutiny committee in various universities and autonoumous colleges including GCT

Servd as a chairman, Anna University Zonal Valuation

Served as a Vice-chairman, Anna University Zonal Valuation

Served as Allotment Officer, Tamilnadu MBA/MCA counselling, GCT

Acted as a Anna University representative for conducting Examinations at self financing colleges

Acted as a Squad for Anna University conducting Examinations at self financing colleges

Acted as a committee member to monitor consortium Exam conducted by self financing colleges association

Have been served in seat matrix work related to the B.E./B.Tech./M.E./M.Tech./M.B.A./M.C.A. state lavel single window admissions

Have been a Doctoral Committee Expert Member for a Karunya University and Anna University Research Scholars

Officer in Charge of Exam office for conducting the GCT Examinations and other competitive Examinations

Acted as a Co-ordinator of GCT Student Research Foundation

Acted as a Co-ordinator of Industry Institute Interaction Cell of GCT

Convener of the Institute Innovcation Council

Acted as a Nodal Officer of the ARIIA ranking' 2019

Co-ordinator of Startup Club of GCT

Have been a Member of Special Fee Committee of GCT

Acted as a Member of Internal Academic Audit Committee

Acted as a Chief Auditor for Internal Academic Audit Committee

Conducted the GCT Exhibition as a Member of the GCT Exhibition Committee in Feb' 2015

Executive Committee Member of GCT Staff Club

Executive Committee Member of Teaching Staff Association

Faculty advisor of the SAEGCT collegiate club since 2008

• Students were moulded to participate in national level intercollegiate design competition "EffiCycle, BAJA, Tractor Design Competition and SUPRA".
• Students were placed in leading industries through career start by SAE India.
• Intercollegiate symposiums in the name of IMPULSE and SWIRL (later on AUTOVAULT) have been conducting every year.
• Tier-I events for students have been conducting every year.
• Followed by Tier-I events students were secured first place in Tier-III, a national level technical competition.
• Workshops were organised on automobile field with leading industries like, Leyland, TATA motors, etc..  

Coordinated the Board of Studies as a Member

• Overall department coordinator of the BOS 2008, BOS 2012 & BOS 2016
• Major contribution in framing Curriculum & Syllabus in all BOS

Represented for the NBA as a coordinator in the year 2009 and 2016

Acted as a department placement coordinator

Established the Mechatronics Laboratory

• Year 2008: First pneumatic kit with PLC was procured
• Year 2010: Second basic pneumatic kit was procured
• Year 2011: Additional pneumatic tables and accessories were procured to carry out the four experiments at a time
• Year 2012: the following equipments were procured to shape the mechatronics laboratory
  • Speed control of DC motor
  • Speed control of AC motor
  • PID controller interfacing
  • Servo controller interfacing for DC motor
  • Computerized data logging system with control for process variables like pressure flow and temperature
  • Stepper motor interfacing with 8051 micro controller
• Year 2013: Basic hydrulic kit, Hydraulic kit with PLC and specific requirements of double pump & Intesifier were procured

Established the Smart Class Rooms in Production Department

Acted as a Deputy Warden for palaru, ponnaiyaru and kauvery hostel blocks (First year)

Acted as a Deputy Warden for Thamirabharani and Vellaru hostel blocks (Final year)

Have been a Resident Tutor of Thamirabharani and Vellaru hostel blocks (Final year)

Officer in Charge of the Watch & Ward, GCT Campus

Officer in Charge of Guesthouse, GCT Campus

Officer in Charge of the Sanitation Department, GCT Campus

Campus (GCT) Nodal Officer of Covid-19 Precautionary measures

Hostel Superintendent of Water Supply & Distribution, GCT Campus

Chaired the Paper Presentation, CAD/CAM, Contraption and Aero modelling events.

Thankyou