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Ajit Kumar

Ajit Kumar

Dr. Ajit has obtained his Doctorate in the Department of Mechanical Engineering (Spl. Production Engineering) from IIT Delhi. As a mechanical engineer, he completed his B.E. from VTU Belgaum and M.Tech in the core specialisation of Manufacturing Engineering from IIT(ISM) Dhanbad before starting his doctoral studies. As part of his M.Tech, he was selected to carry out his project work in the area of Metal Additive Manufacturing at RRCAT Indore (a unit of the Department of Atomic Energy) for one year (2015-2016).

 

Major part of his research focuses on physical metallurgy, metal additive manufacturing (LENS, WAAM and LPBF), and advanced manufacturing techniques (ultrasonic assisted sintering and customized pressure assisted conventional sintering, etc.) to improve metallic material properties according to the application.

 

During his doctoral studies, he has also worked as a teaching assistant in various courses and shown his potential in academic-related work (like teaching, conducting lab, etc.). Dr. Kumar has been granted two patents for his PhD work and has also published his work in peer-reviewed journals of high repute, including Mechanical Sciences, Journal of Magnesium and Alloys, Journal of Alloys and Compounds, Journal of Manufacturing Processes, etc.

 

After completion of his PhD in June 2021, he was offered to work on the Indo-Russian DST project as a Postdoctoral Fellow at IIT Indore. During his stay of eight months at IIT Indore, he has developed a new method of fabricating Belleville springs using Wire Arc Additive Manufacturing (WAAM). The Technology Readiness Level (TRL) of the novel approach was scaled to level 6 by IIT Indore. The manuscript related to the research work has been published in Materials Today Communications. Moreover, he has published two SCI articles as co-authors during my tenure at IIT Indore.

 

In March 2022, he received the prestigious award of ICMR-RA fellowship to carry out his second post-doctoral work at IISc Bangalore as PI on the ICMR project entitled “Development of biodegradable orthopedic fixation device for clinical applications. From the proposed work, he has filed one patent and completed three research articles. In total, Dr. Kumar has published seven SCI articles (Q1=5, Q2=2) as a main author and two as a co-author (Q2=2) with the accumulative impact factor of 55. Additionally, he has published four book chapters on Additive Manufacturing’s role in biomedical and customer-specific applications.

 

Dr. Kumar has successfully completed the ICMR funded project in July 2024 and then joined NAM:TECH as an Assistant Professor in the group of smart manufacturing. The activities he enjoys in his spare time include cooking, playing cricket, swimming and visiting new places with family.

2018 – 2021 PhD

  1. Department of Mechanical Engineering; Indian Institute of Technology (IIT) Delhi

2014 – 2016 MTech

  1. Department of Mechanical (Manufacturing) Engineering; Indian Institute of Technology (ISM) Dhanbad

2008 – 2012 B.E

  1. Department of Mechanical Engineering; Visvesvaraya Technological University (VTU) Belgaum
  1. Assistant Professor in Department of Smart Manufacturing at NAMTECH; Gandhinagar, India from July 2024-Present.
  2. ICMR-Postdoctoral Research Associate in the Department of Materials Engineering; Indian Institute of Science (IISc) Bangalore, India from March 2022-July 2024.
  3. Postdoctoral Research Associate in the Department of Mechanical Engineering; Indian Institute of Technology (IIT) Indore, India from July 2021-March 2022.
  4. Early-Doc Fellow Associate in the Department of Mechanical Engineering; Indian Institute of Technology (IIT) Delhi, India from June 2021-July 2021.
  5. Teaching Assistant in the Department of Mechanical Engineering Indian Institute of Technology (IIT) Delhi, India from Jan 2018-June 2021.
  6. Assistant Professor in the Department of Mechanical Engineering at Medi-Caps University, Indore, India from August 2016-December 2016.
  7. Lecturer in in the Department of Mechanical Engineering at BITM Patna, India from July 2012- July 2014.

Journal Papers:

  1. Ajit Kumar and P. M. Pandey, “Development of Mg-based biomaterial with improved mechanical and degradation properties using powder metallurgy,” Journal of Magnesium and Alloys, vol. 8 (3), p. 883–898, 2020. https://doi.org/10.1016/j.jma.2020.02.011 (Q1, IF: 17.6)
  2. Ajit Kumar and P. M. Pandey, “Study of the influence of microwave sintering parameters on the mechanical behaviour of magnesium-based metal matrix composite,” Proc. Inst. Mech. Eng. Part C J. Mech. Eng. Sci., 2020. vol. 235 (13), p. 2416-2425, 2020. https://doi.org/10.1177/0954406220951236 (Q2, IF: 2.07)
  3. Ajit Kumar and P. M. Pandey, “Statistical modelling of mechanical properties and bio-corrosion behaviour of Mg3Zn1Ca15Nb fabricated using microwave sintering,” Journal of Alloys and Compounds, vol. 854, p. 156211, 2020. https://doi.org/10.1016/j.jallcom.2020.156211 (Q1, IF: 6.371)
  4. Ajit Kumar and P. M. Pandey, “Effect of ultrasonic assisted sintering on mechanical properties and degradation behaviour of Mg15Nb3Zn1Ca biomaterial,” Journal of Magnesium and Alloys., vol. 9 (6), p. 1989-2008, 2021. https://doi.org/10.1016/j.jma.2020.11.006 Q1, IF: 17.6)
  5. Ajit Kumar and P. M. Pandey, “Comparison of processing routes for efficacious fabrication of Mg3Zn1Ca15Nb biomaterial,” Materials and Manufacturing Processes. Vol. 36:12, p. 1365-1376, 2021. https://doi.org/10.1080/10426914.2021.1914846 (Q1, IF: 5.07)
  6. Ajit Kumar and P. M. Pandey, “Investigations into mechanical and corrosion properties of Mg-based biomaterial sintered using a customized die setup coupled with a tube furnace,” Journal of Materials Engineering and Performance; 2022, Vol. 32:18, p. 8174-8184, 2022, https://doi.org/10.1007/s11665-022- 07720-5 (Q2, IF: 2.3)
  7. Ajit Kumar, I.A.Palani, Muralidhar Yadav, “Comprehensive study of microstructure, phase transformations and mechanical properties of and shape memory and superelastic nitinol and a novel approach to fabricate Belleville spring using wire arc additive manufacturing” Materials Today Communications; Vol. 38, p. 107881, 2023; https://doi.org/10.1016/j.mtcomm.2023.107881 (Q1, IF: 3.8)
  8. N. Resnina, I.A.Palani, S.Belyaev, Shalini Singh, Ajit Kumar, R. Bikbaev, Anshu Sahu “Functional properties of the multilayer NiTi alloy produced by wire arc additive manufacturing,” shape memory and superelasticity, vol. 8, p. 5-15, 2022, https://doi.org/10.1007/s40830-022-00359-0 (Q2, IF: 2.53)
  9. Shalini Singh, Elena Demidova, Natalia Resnina, Sergey Belyaev, I.A. Palani, C.P. Paul, Ajit Kumar, K.G. Prashanth “Mechanical Properties, Microstructure and Actuation Behavior of Wire Arc Additive Manufactured Nitinol – Titanium Bimetallic Structures,” 3D Printing and Additive Manufacturing, vol. 11 (1); p. 143-151; 2024; https://doi.org/10.1089/3dp.2021.0324 (Q1, IF: 3.1)
  10. Ajit Kumar, Muralidhar Yadav, C. P. Paul, Sanjay Mishra, Satyam Suwas, Kaushik Chatterjee, “Laser Powder Bed Fusion of Mg and Mg-Ag-Sn”, 2024; (Under Review: Materials Letter)
  11. Ajit Kumar, Arijit Biswas, Satyam Suwas, Kaushik Chatterjee, “Development of a novel magnesium alloy for orthopedic implant by powder metallurgy”, 2024; (Ready for Submission)
  12. Ajit Kumar, Arijit Biswas, Muralidhar Yadav, Kaushik Chatterjee, Satyam Suwas, “Mechanical, microstructure, in-vitro corrosion, and biocompatibility evaluation of novel Mg-Ag-Sn ternary alloys for fixation devices in orthopaedic surgery”, 2024; (Ready for Submission)
  13. Pawan Sharma, Amit Kumar, Ajit Kumar, “An economically viable hybrid additive manufacturing process for the fabrication of hierarchically controlled porous biodegradable Fe-Mn scaffolds”, 2024, (Under Review: Materials Letter)
  14. Pradyumn Kumar Arya, Neelesh Kumar Jain, Dan Sathiaraj, Ajit Kumar, “High- temoarature compression behaviour and phase analysis of additively manufactured Ti45V45Al5Cr5 medium entropy alloy”, 2024, (Under Review: Progress in Additive Manufacturing)

Book chapters:

  1. Vipin Goyal, Ajit Kumar, Girish Chandra Verma, “Role of additive manufacturing in biomedical application” Additive Manufacturing: Advanced Materials and Design Techniques. (2023). (n.p.): CRC Press. ISBN: 9781000835014, Page:117-128; DOI: 10.1201/9781003258391-7.
  2. Ajit Kumar, Dipesh Kumar Mishra, Lokesh Upadhyay, Mayank Srivastava, Dayanidhi Krishana Pathak “Additive manufacturing technologies for on-demand production of personalized goods”, Laser Applications in Manufacturing” (2023); CRC Press. ISBN: 97810003279501; Page 121-152: DOI:10.1201/97810032
  3. Vipin Goyal, Ajit Kumar, Pawan Sharma, Girish Chandra, “Metal-based Additive Manufacturing Technologies”, Additive Manufacturing for Advance Applications: Technologies, Challenges and Case Studies” (2023); CRC Press.; ISBN 9781032480947; Page 35-57: DOI:10.1201/9781003484325-2
  4. Ajit Kumar, Muralidhar Yadav, Girish Chandra Verma, “Artificial Tissues and Organs: Revolutionizing and Pioneering the Future of Medicine and Healthcare”, Additive Manufacturing for Biomedical Applications: Recent Trends and Challenges. Submitted to CRC Press. (2023)

 

Patent/s:

  1. Ajit Kumar and Pulak M Pandey, “Method of Facilitating Fabrication of Biodegradable Materials Using a Die Set Up”, Patent no. 521178, Date of Filling: 24th December 2020 (Current Status: Granted on 06th March 2024).
  2. Ajit Kumar and Pulak M Pandey, “Magnesium-Based Biomaterial And Method For Preparing The Same,” Patent No. 529600, Date of Filling: 07th October 2019 (Current Status: Granted on 21st March 2024).
  3. Ajit Kumar, Arijit Biswas, Kaushik Chatterjee, Satyam Suwas “A Biodegradable Mg-Alloy And Method for Preparation Thereof” Patent application no 202311089083, Date of Filling: 27th December 2023 (Current Status: Filed)
  1. Interests: Advanced Manufacturing, Additive Manufacturing, Industry 4.0, Product Design and Development.
  2. Research Grant: ICMR-Research Associateship for the project entitled “Development of biodegradable orthopedic fixation device for clinical applications” (Project cost Approx. 19 lakhs as stipend).

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