Summary
Overview
Work History
Education
Skills
Accomplishments
Consultancy Industrial Projects
Affiliations
Key Publications (Total Journal Publications - 41) + (Conference Publications - 7)
Books
Invited Talk
Timeline
Generic

DEEPAK KUMAR

Buffalo,New York

Summary

Exploring fundamental mechanisms of friction and wear at multiple length scale. 10+ years of experience in the mutli-scale tribological investigations of 2D materials, MEMS/NEMS devices, Mg alloys, High entropy alloys.

Overview

9
9
years of professional experience

Work History

Postdoctoral Associate

University at Buffalo, USA
Buffalo, New York
04.2024 - Current

My current work is focused on conducting AFM-based tribological measurements to generate a comprehensive molecular length scale understanding of dissipation mechanisms for 2D confined structures at interfaces in non-polar alkanes.

Postdoctoral Research Associate

Carnegie Mellon University (CMU), USA
Pittsburgh, PA
09.2021 - 03.2024

This work was focused on developing novel conductive contact Materials for MEMS/NEMS devices, testing them in a variety of operating conditions and environments, and analyzing the results to determine the mechanisms that control their performance limits and failure mechanisms.

Visiting Researcher

Indian Institite of Technology, Delhi
Hauz Khas, New Delhi
01.2016 - 06.2016

Master Project on Magnetorheological Brake and Magnetorheological Fluid

Education

Ph.D. - Micro- And Nano-scale Tribology

Indian Institute of Technology
Delhi, India
07-2021

Master of Technology - Mechanical System Design, Grade - 9.464 CGPA

National Institute of Technology
Jammu And Kashmir, India
07-2016

Bachelor of Technology - Mechanical Engineering, Grade - 73.20%

Uttar Pradesh Technical University
Lucknow, Uttar Pradesh, India
07-2013

Skills

Research interests:

Multi-scale Tribology, Materials Science and Metallurgy, 2D Materials, Mg Alloys, High Entropy Alloys, Thin Films, Electrical Contacts, Microstructural Properties Correlation

Experimental:

Atomic Force Microscopy, Field Emission Scanning Electron Microscope, Energy-Dispersive Spectroscopy, Nano Indenter, Micro Indenter, Electron Backscatter Diffraction, Transmission Electron Microscope, 3D Profilometer, X-Ray Diffraction, Tensile Testing, Raman Spectroscopy, Optical Microscope, Sputtering, Tribometer, Vacuum Technology, Clean Room Technology

Softwares:

Originpro, MS Office, Ansys, MD Simulations (elementary), MATLAB, AutoCAD

Accomplishments

Gold Medal in Masters (NIT Srinagar), Research Scholar Travel Award (IIT Delhi), Research Excellence Travel Award (IIT Delhi), GMSI-GSDM Fellowship (University of Tokyo, Japan), Mobility Green Tribology scholarship (Marie Skłodowska-Curie Actions (MSCA) co-funded, Europe)

Consultancy Industrial Projects

  • Alternative packaging materials for Rajanigandha, DS group, Noida, India. 09/02/2019 – 12/11/2020
  • Improving the shelf life of Rajanigandha, DS group, Noida, India. 05/02/2019 – 12/12/2019
  • Optimization of aluminum foil thickness, Custom, Gov. of India. 08/08/2019 – 28/08/2019
  • Fatigue and Fracture testing of underground pipelines, Man industries, Gujrat, India. 02/03/2018 – 05/05/2018

Affiliations

Reviewed 100+ Journal Articles for 20+ high impact journals.

Key Publications (Total Journal Publications - 41) + (Conference Publications - 7)

1. Kumar, D et al. (2024). Low voltage cold and hot switching in nanoswitches cleaned by in situ oxygen plasma can achieve low stable contact resistance. Journal of Applied Physics, 135(2).

2. Kumar, D. (2023). Recent advances in tribology of high entropy alloys: A critical review. Progress in Materials Science, 136, 101106.

3. Kumar, D., et al. (2020). In situ study of role of microstructure on antiwear tribofilm formation on AZ91 magnesium alloy under zinc dialkyldithiophosphate containing lubricant. Advanced Engineering Materials, 22(8), 200033.

4. Kumar, D., et al. (2020). Nanometer-thick base oil tribofilms with acrylamide additive as lubricants for AZ91 Mg alloy. ACS Applied Nano Materials, 3(10), 10551-10559. 

5. Kumar, D., et al. (2022). Macroscale to nanoscale tribology of magnesium-based alloys: a review. Tribology Letters, 70(1), 2.

6. Kumar, D., et al. (2021). Influence of temperature on crystallographic orientation induced anisotropy of microscopic wear in an AZ91 Mg alloy. Tribology International, 163, 107159.

7. Kumar, D., et al. (2020). Towards an improved understanding of plasticity, friction and wear mechanisms in precipitate containing AZ91 Mg alloy. Materialia, 10, 100640.

8. Kumar, D., et al. (2021). Reversal of favorable microstructure under plastic ploughing vs. interfacial shear induced wear in aged Co1. 5CrFeNi1. 5Ti0. 5 high-entropy alloy. Wear, 468, 203595.

9. Kumar, D., et al. (2020). Influence of crystallographic orientation on Nanoscale friction and wear mechanisms of the AZ91 alloy. Tribology Letters, 68, 1-10.

10. Kumar, D., et al. (2019). Anisotropy in nanoscale friction and wear of precipitate containing AZ91 magnesium alloy. Tribology Letters, 67, 1-8.

11. Kumar, A., Singh, V. P., Nirala, A., Singh, R. C., Chaudhary, R., Mourad, A. H. I., ... & Kumar, D.* (2023). Influence of tool rotational speed on mechanical and corrosion behaviour of friction stir processed AZ31/Al2O3 nanocomposite. Journal of Magnesium and Alloys, 11(7), 2585-2599. *corresponding author

12. Singh, V. P., Kumar, D.*, Mahesh, V., Harursampath, D., & Kuriachen, B. (2023). Role of interfacial shear strength in nanotribological behaviour of PTA deposited Colmonoy 6 coating on SS304 steel. Materials Letters, 353, 135287. *corresponding author

13. Vashishtha, H.#,and Kumar, D.#, et al. (2023). Effects of hot isostatic processing and hot rolling on direct energy deposited CoCrNi medium entropy alloy–Microstructural heterogeneity, wear behaviour and corrosion characteristics. Materials Characterization, 205, 113304. #Sharing first author

14. Vashishtha, H.#,and Kumar, D.#, et al. (2023). Role of Microstructural Heterogeneity on Nanoscale Mechanical Properties and Wear Responses of Additively Manufactured CoCrNi Medium Entropy Alloy and 316L Stainless Steel. Journal of Materials Engineering and Performance, 1-10. #Sharing first author

15. Kumar, D., et al. (2019). Dry sliding wear behaviour of Ti–6Al–4V pin against SS316L disc in vacuum condition at high temperature. Tribology-Materials, Surfaces & Interfaces, 13(3), 182-189.

16. Kumar, D., et al. (2023). A Novel Seal Design to Enhance MR Brake Performance. Transactions of the Indian Institute of Metals, 76(9), 2335-2342.

17. Kumar, D., et al. (2018). Enhancing tribological performance of Ti-6Al-4V by sliding process. Tribology-Materials, Surfaces & Interfaces, 12(3), 137-143.

18. Thasleem, P., and Kumar, D., et al. (2022). Effect of heat treatment and electric discharge alloying on the lubricated tribology of Al–Si alloy fabricated by selective laser melting. Wear, 494, 204244.

19. Rai, H., Thakur, D., Kumar, D., Pitkar, A., Ye, Z., Balakrishnan, V., & Gosvami, N. N. (2022). Spatial variation in nanoscale wear behavior of chemical vapor deposited monolayer WS2. Applied Surface Science, 605, 154783.

20. Philip, J. T., and Kumar, D., et al. (2021). Tribological investigations of wear resistant layers developed through EDA and WEDA techniques on Ti6Al4V surfaces: Part II–High temperature. Wear, 466, 203540.

21. Philip, J. T., and Kumar, D., et al. (2020). Tribological investigations of wear resistant layers developed through EDA and WEDA techniques on Ti6Al4V surfaces: Part I–Ambient temperature. Wear, 458, 203409.

22. Thasleem, P., Kuriachen, B., Kumar, D.,Ahmed, A., & Joy, M. L. (2021). Effect of heat treatment and electric discharge alloying on the tribological performance of selective laser melted AlSi10Mg. Journal of Tribology, 143(5), 051111.

23. Philip, J. T., and Kumar, D., et al. (2020). Experimental investigations on the tribological performance of electric discharge alloyed Ti–6Al–4V at 200–600 C.Journal of Tribology, 142(6), 061702.

24. Lijesh, K. P., and Kumar, D. et al. (2017). Effect of disc hardness on MR brake performance. Engineering Failure Analysis, 74, 228-238.

Books

1. Deepak Kumar., Nooruddin Ansari (2024), “Magnesium alloys for Biomedical applications: Advances and  Challenges”, CRC press, Taylor and Francis, USA.

2. Himanshu Vashishtha., Deepak Kumar., Ravindra Taiwade (2024), “Advanced Welding Techniques: Current Trends and Future Perspective”, CRC press, Taylor and Francis, USA.

Invited Talk

“Micromechanics Aspects of Engineering Alloys and Microelectromechanical Switches” Massachusetts Institute of Technology (MIT), USA

Timeline

Postdoctoral Associate

University at Buffalo, USA
04.2024 - Current

Postdoctoral Research Associate

Carnegie Mellon University (CMU), USA
09.2021 - 03.2024

Visiting Researcher

Indian Institite of Technology, Delhi
01.2016 - 06.2016

Ph.D. - Micro- And Nano-scale Tribology

Indian Institute of Technology

Master of Technology - Mechanical System Design, Grade - 9.464 CGPA

National Institute of Technology

Bachelor of Technology - Mechanical Engineering, Grade - 73.20%

Uttar Pradesh Technical University
DEEPAK KUMAR