Mechanical Engineering

Faculty Details

Ratnesh Kumar Assistant Professor
Joined the Institute in 18.08.2022
rkumar[dot]me[at]nitdgp[dot]ac[dot]in
Publication

29

Publications

2

Sponsored Projects

0

Consultancy Projects
Education

2

Doctoral Students

0

Continuing Education

0

PG Dissertation
Education
  • Ph. D. [Mechanical Engineering Department; Area: Friction Stir Welding] (2017)

            Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India

  • M. Tech. [Manufacturing Engineering Department] (2014)

            National Institute of Foundry and Forge Technology, Ranchi, Jharkhand, India

  • B. E. [Mechanical Engineering Department] (2010)

            University of Pune, Maharashtra, India

  • Higher Secondary (2005)

            St. Xavier's College, Ranchi, Jharkhand, India

  • Secondary (2003)

            St. Aloysious High School, Ranchi, Jharkhand, India

Work Experiences
  • Assistant Professor at National Institute of Technology, Durgapur from 18/08/2022 to Present.
  • Assistant Professor at Marathwada Mitra Mandal's College of Engineering, Pune from 10/11/2021 to 21/05/2022.
  • Assistant Professor (TEQIP III faculty) at Birla Institute of Technology, Mesra, Ranchi from 02/02/2018 to 30/09/2021.
  • Assistant Professor at National Institute of Science and Technology, Brahampur, Odisha from 29/07/2017 to 30/12/2017.
  • Adhoc Faculty at National Institute of Technology, Jamshedpur from 13/01/2016 to 07/07/2017.
  • Junior Engineer at Siemens India Ltd. Kharagpur Works, West Bengal from 25/07/2011 to 31/07/2012.
  • Lecturer at Cambridge Institute of Technology, Ranchi from 01/10/2010 to 15/07/2011.
Research Interest

Manufacturing Engineering,Welding,Friction Stir Welding

Teachings

UG / PG Students

Data Not Found!

Doctoral Students

Gaurav Kumar

Gaurav Kumar

Ph. D. completed from BIT Mesra, Ranchi as full time research scholar.
Investigative Analysis of fatigue strength of friction stir and tungsten inert gas welded joints
Gaurav Kumar

Gaurav Kumar

Ph. D. completed from BIT Mesra, Ranchi as full time research scholar.
Investigative Analysis of fatigue strength of friction stir and tungsten inert gas welded joints
Bhabani Bora

Bhabani Bora

Ph.D. completed from IIT (ISM) Dhanbad as part time research scholar.
Experimental investigation and parametric optimization of friction stir welding process on different alloys
Bhabani Bora

Bhabani Bora

Ph.D. completed from IIT (ISM) Dhanbad as part time research scholar.
Experimental investigation and parametric optimization of friction stir welding process on different alloys

Projects

Sl.No. Title Name of the PI Name of the CoPIs Funding Agency Amount (Rs.) Project Type Project Status Date of Initiation Date of Completion
1 Development and characterization of under-water friction stir welding process Ratnesh Kumar Somnath Chattopadhyaya CRS TEQIP III, NPIU-2019 1,382,000 Sponsored Completed 2019-06-18 2021-09-30
2 Fatigue strength analysis of friction stir welded joints of dissimilar alloys Ratnesh Kumar na Seed money scheme-2018, BIT Mesra 200,000 Sponsored Completed 2018-06-20 2021-09-30

Projects

Sl.No. Title Name of the PI Name of the CoPIs Funding Agency Amount (Rs.) Project Type Project Status Date of Initiation Date of Completion
1 Development and characterization of under-water friction stir welding process Ratnesh Kumar Somnath Chattopadhyaya CRS TEQIP III, NPIU-2019 1,382,000 Sponsored Completed 2019-06-18 2021-09-30
2 Fatigue strength analysis of friction stir welded joints of dissimilar alloys Ratnesh Kumar na Seed money scheme-2018, BIT Mesra 200,000 Sponsored Completed 2018-06-20 2021-09-30

Projects

Sl.No. Title Name of the PI Name of the CoPIs Funding Agency Amount (Rs.) Project Type Project Status Date of Initiation Date of Completion
Indexing

7

Google Scholar h-index

7

Google Scholar i10-index

7

Scopus h-index

Journals

ID Details Year
2022 1. Design of automatic seed sowing Machine for agriculture sector Ratnesh Kumar, Aadhar Govil, Parth Daga, Shubh Goel, Saurabh Dewangan Materials Today: Proceedings 63; 341-346 SCOPUS ELSEVIER 2022
2022 2. A comparative analysis of friction stir and tungsten inert gas dissimilar AA5082-AA7075 butt welds Ratnesh Kumar, G. Kumar, A. Roy, R.S. Sinha, S. M. Mozammil, Om Prakash, A. Ahmad Materials Science and Energy Technologies 5; 74-80 SCOPUS 2022
2021 3. Influence of laser power and welding speed on dendrite structure growth of low power pulsed laser welded super alloy Uday Kumar, Somnath Chattopadhyaya, A K Das, Ratnesh Kumar, Shubham Sharma, Kaori Nagai Materials Science and Engineering SCOPUS 10.1088/1757-899X/1104/1/012019 2021
2021 4. Characterization of dissimilar friction stir welded joints of aluminium alloys by simulation and experimentation Ratnesh Kumar, Ansuman Kumar and S. Chattopadhyaya Material Science and Engineering 1104 SCOPUS 10.1088/1757- 899X/1104/1/012018 2021
2021 5. Analysis of variance of dissimilar Cu-Al alloy friction stir welded joints with different offset conditions B. Bora, Ratnesh Kumar, S. Chattopadhyaya, S. Borucki Applied Sciences (ISSN 2076-3417) 11 (10); 4604 SCIE MDPI 2021
2020 6. Development of mathematical model for Friction Stir Welded joints using ‘R’ programming B. Bora, Somnath Chattopadhyaya, Ratnesh Kumar Materials Today- Proceedings (ISSN: 2214-7853) 27: 2142-2146 SCOPUS Elsevier 2020
2020 7. Microstructural and Fracture Surface Study of Friction Stir Welded AA5082-AA7075 Butt Joints Gaurav Kumar, Rajeev Kumar and Ratnesh Kumar International journal of Advanced Production and Industrial Engineering 5(1); 49-56 SCOPUS 2020
2020 8. Friction stir welding: A green technology for welding joints with Dissimilar metals (Al Alloy - Cu Alloy) Ratnesh Kumar, Bhabani Bora, Somnath Chattopadhyaya Journal of Indian Chemical Society 97 october (B) SCOPUS Elsevier 2020
2020 9. Optimization of process parameters of friction stir welded AA5082-AA7075 butt joints using resonance fatigue properties Ratnesh Kumar, Gaurav Kumar, Rajeev Kumar Bulletin of Polish Academy of Sciences Technical Sciences (ISSN 0239-7528) 68 (1); 99-108 SCIE Polish academy of sciences 2020
2019 10. Critical investigation of mechanical and micro-structural properties of friction stir welded joints of AA 6061 T6 Ratnesh Kumar, S. Chattopadhyaya, B. Bora, G. Krolczyk Academic Journal of Manufacturing Engineering (ISSN 1583-7904) 17 (4): 37-45 SCOPUS Editura Politehnica 2019
2018 11. Investigation of microstructure and mechanical properties of titanium alloy sheet using low power Nd-YAG laser welding process U. Kumar, D. K. Gope, Ratnesh Kumar, S. Chattopadhyaya, A. K, Das, A. Pramanik, G. Krolczyk Kovove Materialy- Metallic Materials (ISSN 1338-4252) 56, 121-129 SCIE Slovak academy of sciences 2018
2018 12. Experimental and mathematical evaluation of thermal and tensile properties of friction stir welded joint Ratnesh Kumar, Bhabani Bora, Somnath Chattopadhyaya, Grzegorz Krolczyk, Sergej Hloch International Journal of Materials and Product Technology (ISSN 1741-5209) 57, 204-229 SCIE Inderscience Publisher 2018
2017 13. Effect of laser power and welding speed on Microstructure and Mechanical properties of Fiber laser welded Inconel 617 thin sheet P. Kumar, K. Saw, U. Kumar, Ratnesh Kumar, S. Chattopadhyaya, S. Hloch Brazilian Society of Mechanical Sciences and Engineering (ISSN 1678-5878) 39 (11), 4579-4588 SCIE Springer London Ltd 2017
2017 14. Characterization of friction surfaced coatings of AISI 306 tool over high speed steel substrate R. Kumar, S. Chattopadhyaya, A. Ghosh, G. Krolczyk, P. Vilaca, Ratnesh Kumar,M. Srivastava, M. Shariq, R. Tripathi Transactions of FAMENA (ISSN 1333- 1124) 41(2), 61-76 SCIE Univ Zagreb fac mechanical engineering & naval architecture 2017
2017 15. Surface Integrity analysis of abrasive water jet cut surface of Friction stir welded Joint Ratnesh Kumar, S.Chattopadhyaya, A. R. Dixit, B. Bora, M. Zelenak, J. Foldyna, S. Hloch, P. Hlavacek, J. Scucka, J. Klich, L. Sitek, P. Vilaca International Journal of Advanced Manufacturing Technology (ISSN 0268-3768) 88; 1687:1701 SCIE Springer London Ltd 2017
2016 16. Heat input effect of friction stir welding on aluminium alloy AA 6061-T6 welded joint A. S. Sedmark, Ratnesh Kumar, S. Chattopadhyaya, S. Hloch, S. S. Tadic, A. A. Djurdjevic, I. R. Cekovic, E. Donceva Thermal Science (ISSN 2334- 7163) 20 (2), 637-641 SCIE Society of Thermal Engineers of Serbia 2016
2016 17. Wear characteristics and defects analysis of friction stir welded joint of aluminium alloy 6061-T6 Ratnesh Kumar, S. Chattopadhyaya, S. Hloch, G. Krolczyk, S. Legutko EKSPLOATACJA I NIEZAWODNOŚĆ - MAINTENANCE AND RELIABILITY (ISSN 1507- 2711) 18 (1): 128-135 SCIE Polish Maintenance Society 2016
2015 18. Effect of process parameters on mechanical properties of friction stir welded joint of two dissimilar Al-alloy U. Das, Ratnesh Kumar, V. Toppo International Journal of Engineering Research & Technology (IJERT) (ISSN 2278- 0181) 4 (8) SCOPUS 2015

Conferences

ID Details Year
2019 1.Gaurav Kumar, Rajeev Kumar and Ratnesh Kumar; National Conference on RecentAdvancement in Mechanical Engineering (NCRAME 2019), titled “Friction Stir WeldingProcess: A Review” India 2019
2016 2.Ratnesh Kumar, S. Chattopadhyaya; q-Pace-2016, “International Topical Conference onCharged Particle Collisions and Electronic Processes in Atoms, Molecules and Materials 2016”titled “Analysis of Surface Profile using Optical Pyrometer of Abrasive Water Jet Surface ofFriction Stir Welded Joints” Indian School of Mines, Dhanbad, India 2016
2016 3.D. K. Prasad, S. Ali, S. Shankar, Ratnesh Kumar, S. Chattopadhyaya; “3rd InternationalConferences on Recent Trends in Engineering Science and Management” titled “Defects analysisof T-Joint friction stir welded samples of aluminium alloy 6101-T6” New Delhi, India 2016
2016 4.D. K. Prasad, S. Ali, S. Shankar, Ratnesh Kumar, S. Chattopadhyaya; “4th InternationalConference on Recent Innovations in Science, Engineering and Management” titled “Study ofsurface morphology and defects of friction stir welded AA6101 aluminium alloy” New Delhi, India. 2016
2015 5.Ratnesh Kumar,D. K. Prasad, S. Ali, S. Shankar, S. Chattopadhyaya, R. Kumar, S. Hloch, M.Zelenek; International TEAM 2015 Conference, Technique, Education, Agriculture &Management (ISBN 978 – 86 -7083 – 877 – 2) titled “Study of Surface Morphology of Water Jetcut Surface of Friction Stir Welded Joint” Belgrade 2015
2015 6.R. Kumar, S. Chattopadhyaya, A. Ghosh, Ratnesh Kumar, A. Kumar; International TEAM2015 Conference, Technique, Education, Agriculture & Management (ISBN 978 – 86 -7083 –877 – 2) titled “Friction Stir Welding of BMG’s: A Review” Belgrade 2015
2015 7.Ratnesh Kumar, D. K. Gope, U. Kumar, S. Chattopadhyaya ;MENTCA 2015, MiningEquipment: New Technologies, Challenges & Applications 2015 titled “Some Investigation ofUnique Defects in Friction Stir Welding Process- A Review” Indian Schoolof Mines, Dhanbad, India 2015
2015 8.D. K. Gope Ratnesh Kumar, , U. Kumar, S. Chattopadhyaya; MENTCA 2015, MiningEquipment: New Technologies, Challenges & Applications 2015 titled “Microanalysis of gasmetal arc welded mild steel plates” Indian School of Mines, Dhanbad, India 2015
2014 9.Ratnesh Kumar, B. Bora, P. Kumar, S. Chattopadhyaya; International TEAM 2014 Conference,6th International Scientific and Expert Conference of International Team Society (ISBN 978-615-5192-22-7) titled “Experimental and theoretical investigation of process parameter ontemperature development during friction stir welding” Hungary 2014
2014 10.Ratnesh Kumar,B. Bora, P. Kumar, S. Chattopadhyaya; AITE 2014, Advances in ThermalEngineering 2014 (ISBN 978-93-84224-21-9) titled “Temperature assessment of friction stirwelding process” Indian School of Mines, Dhanbad, India 2014

Books

ID Title

Patents

ID Details Patent Filed Year
2017 1. Friction stir welding joint sample machining apparatus and method Ratnesh Kumar, S. Chattopadhyaya Submitted 2017

Academic Identity

Orcid Id
0000-0002-8420-8241
Scopus Id
57208685183
Researcher Id
I-3982-2015
Google Scholar Id