Room No. A-201, First Floor,

Indian Institute of Petroleum and Energy, Visakhapatnam,

Vangali, Sabbavaram, Andhra Pradesh 531034

Email: ranjumr@iipe.ac.in, ranjumankara7@gmail.com

1. CAD & CAM ( ME3003), VI Sem
2. Robotics and Automation (ME3004), VI Sem

• Ph.D.  Rolling Contact Fatigue Studies on Bearing Steels with Nanolubricants , Indian Institute of Technology, Palakkad, India
• M.Tech in Materials Engineering, National Institute of Technology, Karnataka, India
• B. Tech in Mechanical Engineering, University of Calicut, Kerala, India

• Visiting Assistant Professor (Grade II) - Indian Institute of Petroleum and Energy, Visakhapatnam - (February 2026- Present)
• Project Assistant - Indian Institute  of Technology Palakkad, Kerala - (May 2025- February 2026)

• ASM International, Student Membership - (October 2022 to May 2024)
• Tribology society of India, Student Memebrship - (May 2022 to May 2025)

• Ranju, M. R., Y. Arivu, R. Rejith, and D. Kesavan. "Tribological Performance of Cronidur-30 and AISI 440 C Bearing Steels: Effect of Lubricant Formulations on Antiwear Behavior." Wear (2026): 206539. https://doi.org/10.1016/j.wear.2026.206539
• Ranju, M. R., Y. Arivu, and D. Kesavan. "Experimental Studies of Rolling and Rolling-Sliding Contact Fatigue Behaviour of High Nitrogen Alloyed Cronidur-30 Bearing Steel." Wear (2025): 206070. https://doi.org/10.1016/j.wear.2025.206070
• Ranju M.R. and Kesavan D, “The Role of PTFE Lubricant Additives in Enhancing Rolling Contact Fatigue Life.” Lubrication science (2025): 1–12. https://doi.org/10.1002/ls.70003
• Ranju, M. R., P. M. Abhilash and D. Kesavan. "Rolling contact fatigue studies on AISI 4140 steel under formulated lubrication conditions with nano-graphene additives." Wear (2024): 20531. https://doi.org/10.1016/j.wear.2024.205311
• Ranju, M. R., and D. Kesavan. "Effect of Nanographene as an Additive for the Improved Rolling Contact Fatigue Life of Hardened AISI 4140 Alloy Steel." Tribology International 192 (2024): 109249. https://doi.org/10.1016/j.triboint.2023.109249
• Ranju, M. R., and D. Kesavan. "Effect of Shot Peening Process on Rolling Contact Fatigue Performance of EN31 Alloy Steel." Tribologia-Finnish Journal of Tribology 40, no. 1− 2 (2023): 29-36. https://journal.fi/tribologia/article/view/125884
• Arivu, Y., M. R. Ranju, C. Abhinand, R. Padmapreetha, and D. Kesavan. "Contact Fatigue Studies on L-PBF Processed IN718 Alloy Tested Under No Slip Condition." International Journal of Fatigue 173 (2023): 107702. https://doi.org/10.1016/j.ijfatigue.2023.107702

Conference Papers Published:

• Ranju, M. R., and D. Kesavan. "Graphene Nano-Lubricant for the Improved Rolling Contact Fatigue (RCF) Life of AISI 4140 Steel under Rolling with Slip Conditions." Materials Science Forum. Vol. 1147. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-6Qq4yt 

Poster presentation

• Ranju M.R and Kesavan D, “Effect of Mechanical Surface Treatment on Rolling Contact Fatigue Life of EN 31 Steel using a Two Disc Test Rig”, NMD ATM, Trivandrum, 2019.

• Ranju M.R and Kesavan D, “Rolling Contact Fatigue –Contribution of Graphene Nanolubrication”, 12 th International Conference on Tribology, TriboIndia 2023, National Institute of Technology Srinagar, Jammu and Kashmir, October 2023.
• Ranju M.R and Kesavan D, ‘The Effect of Weight Percentage of Solid Lubricant Addition in the Base Lubricant on rolling contact fatigue life of the through hardened and surface hardened AISI 4140 alloy steel’, 20th ISME conference on Advances in mechanical engineering, IIT Ropar, May 2022.
• Ranju M.R and Kesavan D ‘The Behavior of Dispersed Solid Particles on Rolling Contact Fatigue Life’, IndiaTrib-2022 ,11th International Conference on Industrial Tribology (ICIT), December 2022.
• Ranju M R and Kesavan D Graphene Nano-Lubricant for the Improved Rolling Contact Fatigue (RCF) Life of AISI 4140 Steel under Rolling with Slip Conditions, 10th International Conference on Tribology in Manufacturing Processes & Advanced Surface Engineering, ICTMP2024, held in Spain, July 2024.