Dr. Abhijit Sadhu

Assistant Professor
Department of Mechanical Engineering
Motilal Nehru National Institute of Technology Allahabad, Prayagraj, India-211004
E-mail: abhijitsadhu[at]mnnit[dot]ac[dot]in
Telephone: +91-9681106924(O) +91-9681106924(M)

Research Publications

Patents:

Angshuman Chattopadhyay, Gopinath Muvvala, Sagar Sarkar, Abhijit Sadhu, Vikranth Racherla, Ashish Kumar Nath. Direct Additive Laser Welding of Dissimilar Materials, Indian Patent No. 541488, Granted on. 11 June 2024.

Journals:

Abhijit Sadhu, Shankar Chakraborty. "Non-traditional machining processes selection using data envelopment analysis (DEA)." Expert Systems with Applications 38, 7 (2011): 8770-8781, (SCIE, IF=7.5). (https://doi.org/10.1016/j.eswa.2011.01.088)

Kalinga Simant, Abhijit Sadhu, Jyotsna Dutta Majumdar, Asimava Roy Choudhury. "Study of melting efficiency, micro-segregation, and corrosion resistance of Ytterbium fiber laser welded Hastelloy C-276 sheet in pulsed wave mode." Advances in Materials and Processing Technologies 5, no. 4 (2019): 568-581, (Scopus, IF=2.0). (https://doi.org/10.1080/2374068X.2019.1636190)

Abhijit Sadhu, Debapriya Patra Karmakar, Omkar Mypati, Gopinath Muvvala, Surjya K. Pal, Ashish Kumar Nath. "Performance of additive manufactured Stellite 6 tools in friction stir processing of CuCrZr sheet." Optics & Laser Technology 128 (2020): 106241, (SCI, IF=4.6). (https://doi.org/10.1016/j.optlastec.2020.106241)

Abhijit Sadhu, Amit Choudhary, Sagar Sarkar, Amal M. Nair, Pravanjan Nayak, Pawar Sagar Dadasaheb, Muvvala Gopinath, Surjya K. Pal, Ashish Kumar Nath. "A study on the influence of substrate pre-heating on mitigation of cracks in direct metal laser deposition of NiCrSiBC-60% WC ceramic coating on Inconel 718." Surface and Coatings Technology 389 (2020): 125646, (SCI, IF=5.3). (https://doi.org/10.1016/j.surfcoat.2020.125646)

Omkar Mypati, Abhijit Sadhu, Suryakanta Sahu, Debasish Mishra, Surjya K. Pal, Shiv Brat Singh, Prakash Srirangam. "Enhancement of joint strength in friction stir lap welding between AA6061 and AISI 304 by adding diffusive coating agents." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 234, no. 1-2 (2020): 204-217, (SCI, IF=2.1). (https://doi.org/10.1177/0954405419838379)

Amit Choudhary, Abhijit Sadhu, Sagar Sarkar, Ashish Kumar Nath, Gopinath Muvvala. "Laser surface polishing of NiCrSiBC–60WC ceramic-metal matrix composite deposited by laser directed energy deposition process." Surface and Coatings Technology 404 (2020): 126480, (SCI, IF=5.3). (https://doi.org/10.1016/j.surfcoat.2020.126480)

Abhijit Sadhu, Sagar Sarkar, Angshuman Chattopadhyay, Omkar Mypati, Surjya K. Pal, Ashish Kumar Nath. “Effect of Laser Shock Peening on micro-structure and mechanical properties of Friction Stir Welded CuCrZr sheets.” Materials Science and Engineering: A 831 (2022): 142238, (SCI, IF=6.1). (https://doi.org/10.1016/j.msea.2021.142238)

Anitesh Kumar Singh, Abhijit Sadhu, Amit Kumar Das, Dilip Kumar Pratihar, Asimava Roy Choudhury. “An approach towards energy and material efficient additive manufacturing: Multi-objective optimization of stellite-6 deposition on SS304.” Optics & Laser Technology 148 (2022): 107799, (SCI, IF=4.6). (https://doi.org/10.1016/j.optlastec.2021.107799)

Abhijit Sadhu, Omkar Mypati, Ashish Kumar Nath, Surjya K. Pal. “Performance Evaluation of Laser-Deposited Functionally Graded Stellite 6-WC Tools in Friction Stir Lap Welding of CuCrZr-SS304.” Journal of Materials Engineering and Performance (2024): 1-20, (SCI, IF=2.2)

Angshuman Chattopadhyay, Abhijit Sadhu, Sagar Sarkar, Ashish Kumar Nath. “Enhancement of Surface Hardness and Wear Resistance of Inconel 718 by Laser Material Deposition of Titanium and Inconel 718 Powders mixture.” Journal of Materials Engineering and Performance (2024): 1-20, (SCI, IF=2.2) (https://doi.org/10.1007/s11665-024-10200-7)

Abhijit Sadhu, Harikrishnan Ramadas, Bibhu Kalyan Panda, Sagar Sarkar, Ashish Kumar Nath. “Laser Surface Polishing of Additively Manufactured NiCrSiBC-60WC Ceramic-Metal Composite using a Line Beam.” Journal of Materials Engineering and Performance 34 (2025): 27231-27245, (SCIE, IF=2.2). https://doi.org/10.1007/s11665-025-11289-0.

Anitesh Kumar Singh, Harikrishnan Ramadas, Abhijit Sadhu, Ashish Kumar Nath, Dilip Kumar Pratihar, Asimava Roy Choudhury. "A Novel and Synergistic Application of Additive Manufacturing and Laser Shock Peening Toward Enhanced Tribological Performance and Customized Cutting Tools." Journal of Tribology 148, no. 7 (2026): 072502, (SCIE, IF=3). (https://doi.org/10.1115/1.4071077)