Specialization

Manufacturing, Welding and Materials

Email

ratnesh.kumar@thapar.edu

 Contact No.

+91-9718959754

Biography

Dr. Ratnesh Kumar Raj Singh, have completed his Ph.D. from IIT Delhi, India in 2017 and M.Tech. from IIT Roorkee, India in 2010. He has completed his B. Tech. degree from U.P.T.U. Lucknow, India in 2008. He is presently working as a Assistant Professor at Mechanical Engineering Department of Thapar Institute of Engineering & Technology (Deemed to be University), Patiala. He worked as a faculty at KIET group of Institutions, Ghaziabad, India from Januray, 2016 to October, 2017. After that he has joined Thapar Institute of Engineering & Technology, Patiala in November, 2017. He has published 15 International Journal papers and 22 conference papers. He has supervised more than 6 Master students and currently supervising 5 Ph.D. scholars in the area of Additive Manufacturing, Materials, Foams and Welding. He has received several projects of worth more than Rs. 20 Lakhs from different government and private agencies.

Academic Profile

• Ph.D. in Manufacturing, Welding and Materials, IIT Delhi, India
• M.Tech., Department of Mechanical & Industrial Engineering, IIT Roorkee, India
• B.Tech. in Mechanical Engineering, U.P.T.U., Lucknow, India

Teaching and Industrial Experience

Research Interests

• Additive manufacturing
• Friction stir welding and processing
• Solid state additive Manufacturing
• Arc welding
• Wire & Arc additive manufacturing
• Development and characterization of Foam
• Development and characterization of Composites
• Fatigue
• Fracture Toughness
• Material Characterization

Research Projects

Membership of Professional Institutions, Associations, Societies

• ASME (Membership No. 103690991)

Publications in Peer Reviewed International Journals

5. M Kumar, R Kumar, V Jain, Aluminium Foam Development by Filling Architecture Techniques and Process Optimization, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
5. M Kumar, R Kumar, V Jain, Mechanical and Metallurgical Characterization of Foam Developed by Friction Stir Precursor Deposition Technique, Journal of Adhesion Science and Technology
5. P Kumar, Ratnesh Kumar Raj Singh, SK Sharma, Effect of welding parameters on bead characteristics and mechanical properties of wire and arc additive manufactured inconel 718, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of 2022
5. M Kumar, Ratnesh Kumar Raj Singh, V Jain, Effect of processing parameters and heat treatment techniques on foaming properties of aluminium foam developed by friction stir processing route, Proceedings of the Institution of Mechanical Engineers, Part L: Journal of 2022
5. M Kumar, Ratnesh Kumar Raj Singh, V Jain, Effect of tool pin profiles on the properties of foamable precursor developed by friction stir processing, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of 2022
5. S Rathore, Ratnesh Kumar Raj Singh, K Laiq Ahmad Khan, Effect of Process Parameters on Mechanical Properties of Aluminum Composite Foam Developed by Friction Stir Processing, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of 2021
5. Ratnesh Kumar Raj Singh, R Prasad, S Pandey, SK Sharma, Effect of cooling environment and welding speed on fatigue properties of friction stir welded Al-Mg-Cr alloy, International Journal of Fatigue 127, 551-563 2019
5. Ratnesh Kumar Raj Singh, DW Rathod, R Prasad, S Pandey, Cooling environment effect on the microstructure and mechanical properties of friction stir-welded joints, Journal of Materials Engineering and Performance 28 (6), 3737-3747 2019
5. Ratnesh Kumar Raj Singh, DW Rathod, S Pandey, Friction stir welding of nuclear grade SA508Gr. 3Cl. 1 and SS304LN dissimilar steels, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of 2018
5. Ratnesh Kumar Raj Singh, C Sharma, DK Dwivedi, NK Mehta, P Kumar, The microstructure and mechanical properties of friction stir welded Al–Zn–Mg alloy in as welded and heat treated conditions, Materials & Design 32 (2), 682-687 2011
5. M Kumar, Ratnesh Kumar Raj Singh, V Jain, Aluminium Foam Development by Filling Architecture Techniques and Process Optimization, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
5. P Kumar, SK Sharma, Ratnesh Kumar Raj Singh, Recent trends and future outlooks in manufacturing methods and applications of FGM: a comprehensive review, Materials and Manufacturing Processes, 1-35 2022
5. SK Sharma, S Maheshwari, Ratnesh Kumar Raj Singh, Modeling and optimization of HAZ characteristics for submerged arc welded high strength pipeline steel, Transactions of the Indian Institute of Metals 72 (2), 439-454 2019
5. SK Sharma, S Maheshwari, Ratnesh Kumar Raj Singh, Effect of heat-input and cooling-time on bead characteristics in SAW, Materials and Manufacturing Processes 34 (2), 208-215 2019
5. DW Rathod, Ratnesh Kumar Raj Singh, S Pandey, S Aravindan, PK Singh, Influence of graded compositions and carbon diffusivities in buttering on structural integrity of dissimilar metal welds, Materials Science and Engineering: A 702, 289-300 2017
5. D Avula, Ratnesh Kumar Raj Singh, DK Dwivedi, NK Mehta, Effect of friction stir welding on microstructural and mechanical properties of copper alloy, World Academy of Science, Engineering and Technology 74, 214-222 2011

Conference Papers

5. Ratnesh Kumar Raj Singh, R. Prasad, S. Pandey, Mechanical Properties of Friction Stir Welded Dissimilar Metal, Trends & advances in Mechanical Engineering (TAME -2012), YMCA University, Faridabad, Uttar Pradesh, India, 2012 (Best paper award of the conference)
5. Ratnesh Kumar Raj Singh, R. Prasad, S. Pandey, Friction Stir Welding of Dissimilar Steels, International Conference on Agile Manufacturing (ICAM-2012), IIT BHU, Varansai, Uttar Pradesh, India, 2012
5. Ratnesh Kumar Raj Singh, Rajesh Prasad, Sunil Pandey, Microstructure and Mechanical Properties of Friction Stir Welded Stainless Steel & Pure Copper Butt Joint, Third Asian Conference on Mechanics of Functional Materials and Structures (ACMFMS-2012), Department of Applied Mechanics, IIT Delhi, New Delhi, India, 2012
5. Ratnesh Kumar Raj Singh, D. Rathod, S. Pandey, R. Prasad, Friction Stir Welding of Nuclear Grade Dissimilar Steel, International conference on Processing and Fabrication of Advanced Materials: XXIII, IIT Roorkee, Roorkee, Uttarakhand, India, 2014
5. Ratnesh Kumar Raj Singh, R. Prasad, S. Pandey, Effect of Process Parameters on Mechanical Properties of Friction Stir Welded Austenitic and Ferritic Steels, International Conference & Exhibition on Cutting Edge Technological Challenges in Mechanical Engineering (CETCME-2015), Department of Mechanical Engineering, Noida Institute Of Engineering and Technology (NIET), Noida, Uttar pradesh, India, 2015 (2nd best paper award of conference)
5. Ratnesh Raj Singh, C. Sharma, D.K. Dwivedi , P. Kumar, Mechanical Properties of Friction Stir Welded Commercial Structural Aluminium alloy, International Conference on Advances in Mechanical Engineering, S.V. National Institute of Technology, Surat, Gujarat, India, 2010
5. Ratnesh Kumar Raj Singh, R. Prasad, S. Pandey, Effect of Friction Stir Welding on 7039 Aluminium Alloy/Pure Copper Butt Joint, Conference on Mechanical Engineering and Technology-2012, IIT BHU, Uttar Pradesh, India, 2012
5. Ratnesh Kumar Raj Singh, R. Prasad, S. Pandey, Microstructure and Mechanical Properties of Friction Stir Welded 6101 Aluminium  Alloy, Asian Symposium on Materials & Processing (ASMP)-2012, IIT Madras, Chennai, Tamilnadu, India, 2012
5. Ratnesh Kumar Raj Singh, R. Prasad, S. Pandey, Effect of Friction Stir Welding on 6101 Aluminium alloy/Pure Copper Butt Joint, Asian Symposium on Materials & Processing (ASMP)-2012, IIT Madras, Chennai, Tamilnadu, India, 2012
5. Ratnesh Kumar Raj Singh, D.K. Dwivedi, Effect of Friction Stir Welding on Microstructure and Mechanical Properties of 7039 Al-alloy, Design and Development of Materials for Advanced Technologies-2012, IIT BHU, Varanasi, Uttar Pradesh, India, 2012 (2nd best paper award of the conference)
5. Ratnesh Kumar Raj Singh, D. Jaiswal, Rajesh Prasad, Sunil Pandey, Dheerendra Kumar Dwivedi, Effect of Friction Stir Welding on Microstructure and Mechanical Properties of Al-Zn-Mg Alloy, National Conference on Recent advances in Technology and Engineering (RATE-2012), Mangalayatn University, Uttar Pradesh, India, 2012 (Best paper of conference award)
5. Ratnesh Kumar Raj Singh, D. Jaiswal, R. Prasad, S. Pandey, D.K. Dwivedi, Microstructure and Mechanical Properties of Friction Stir Welded Commercial Structural Aluminium and Al-Zn-Mg Alloy, National Conference on Advancement in Mechanical Engineering and Energy Environment, SLIET Longowal, Punjab, India, 2012
5. Ratnesh Kumar Raj Singh, R. Prasad, R.K. Pandey, S. Pandey, Mechanical Properties of Friction Stir welded 5052-H32 alloy, International conference on Engineering materials & Processes-2014 (ICEMP2014), IMMT-CSIR, Bhubaneswar, Odisha, India, 2014 (Best paper award of conference)
5. Ratnesh Kumar Raj Singh, R. Prasad, S. Pandey, Under water Friction Stir Welding of Aluminium Alloy, Indian Conference on Applied Mechanics (INCAM 2015), Department of Applied Mechanics, IIT Delhi, New Delhi, India, 2015
5. R. Ramesh, R.K.R. Singh, S. Aravindan,  Metallurgical and Mechanical properties of dissimilar aluminum alloy joints produced by friction stir welding and submerged friction stir welding, 17th ISME Conference, (ISME17), Indian Institute of Technology Delhi, New Delhi, India
5. D. Jaiswal, Ratnesh Kumar Raj Singh, S. Pandey, R. Prasad, Effect of Process Parameters and cooling media on Mechanical Properties of Friction Stir Welded 1060 Aluminium alloy, International conference on Processing and Fabrication of Advanced Materials:XXIII, IIT Roorkee, Roorkee, Uttarakhand, India, 2015
5. Ratnesh Kumar Raj Singh, Rajesh Prasad, Sunil Pandey, Friction Stir Processing: A new method of developing Bi-metallic Al-Mg functionally graded foam, International Conference on Advanced Production and Industrial Engineering (ICAPIE-2016), Delhi Technical Univerrsity, New Delhi, India, December 9-10, 2016
5. S Rathore, Ratnesh Kumar Raj Singh, KLA Khan,  Artificial intelligent approach for process parameters modeling of friction stir processing, Materials Today: Proceedings 43, 326-334 2021
5. S Rathore, Ratnesh Kumar Raj Singh, KLA Khan, Development of Aluminium-Yttrium Oxide Metal Matrix Composite Foam Through FSP, Recent Advances in Mechanical Engineering, 367-373 2020
5. Ratnesh Kumar Raj Singh, D Rathod, S Pandey, R Prasad,  Friction stir welding of nuclear grade dissimilar steels, Proceedings of the twenty third symposium on processing and fabrication of 2014
5. Ratnesh Kumar Raj Singh, R Prasad, S Pandey, Mechanical properties of friction stir welded dissimilar metals, Proceedings of the national conference on trends and advances in mechanical 2012
5. Ratnesh Kumar Raj Singh, R Kumar, Effect of Friction Stir Welding on Mechanical Properties of Dissimilar Aluminium Alloys, National Conference on Innovative Paradigms in Engineering & Technology 2012

PhD Thesis Guided

Awards and Honours

• Selected for Graduate Program for Mechanical Systems Innovation (GMSI)-Global Leader program for Social Design and Management (GSDM), 2015 GMSI-GSDM Summer Camp, at The University of Tokyo, Japan from July 31 to August 3, 2015.
• Qualified Graduate Aptitude Test in Engineering (GATE-2008) with All India Rank-856.
• Qualified Graduate Aptitude Test in Engineering (GATE-2012) with All India Rank-233.
• 2nd best paper in International Conference & Exhibition on Cutting Edge Technological Challenges in Mechanical Engineering (CETCME-2015), Department of Mechanical Engineering, Noida Institute of Engineering and Technology (NIET), Noida, U.P., 2015
• 1st Prize in Poster presentation in Open House Day (a technical event), Department of Applied Mechanics, IIT Delhi, New Delhi, India, 2015
• 1st Prize in Poster Presentation, International Conference on Engineering Materials & Processes-2014 (ICEMP2014), IMMT-CSIR, Bhubaneswar, Odisha, India, 2014
• Best Paper of the Conference, National Conference on Recent Advances in Technology and Engineering (RATE-2012), Mangalayatn University, Aligarh, U.P., India, 2012
• 2nd  Prize of Conference, Design and Development of Materials for Advanced Technologies-2012, IIT BHU, Varanasi, U.P., India, 2012
• Best Paper Award of Conference, Trends & Advances in Mechanical Engineering (TAME -2012), YMCA University, Faridabad, Haryana, India, 2012

Consultancy Work

5. Hydraulic and Engineering Instruments (HEICO), New Delhi, India: Developed a machine to study the fatigue and fracture behavior of materials.
5. Kentellus Welding & Manufacturing Pvt. Ltd., New Delhi, India: Technical Consultant in the field of welding electrode manufacturing.