Specialization : Fatigue and Fracture

DRI Technology;  Plasma Technology; Nitrogen Bearing Stainless Steels; Metallurgical Solid waste Utilization

Major Achievements:

  • Rosette fracture in modified 9Cr-1Mo steel under tensile loading is reported for the first time.
  • Low cycle fatigue Behaviour of modified 9Cr-1Mo steel at RT, 300 and 600oC
  • Ratcheting Fatigue Behaviour of Zircaloy-2 at RT, 300 and 400oC
  •  Dynamic strain ageing under asymmetric loading of the Zircaloy-2 at 400oC and its impact on cumulative plastic strain and fatigue life is reported for the first time.
  • Low cycle fatigue behavior of nanostructured Ti-6Al-4V and Al7075 alloy

Recent Publications:

  • Rosette tensile fracture of modified 9Cr-1Mo steel, Preeti Verma, G. Sudhakar Rao, N.C. Santhi Srinivas, V.Singh, Materials Science and Engineering A,2017, 683 172-186. 
  • Dynamic Strain Ageing Behavior of Modified 9Cr-1Mo Steel   under Monotonic and Cyclic Loading N. C. Santhi Srinivas, Preeti Verma, Vakil Singh Procedia Engineering,2017,184,765-777. 
  • Deformation behavior of modified 9Cr–1Mo steel under low cycle fatigue at 600°C Preeti Verma, Joysurya Basu, N.C. Santhi Srinivas, Vakil Singh Materials Characterization,2017,131,244 252
  • Effect of Ratcheting onTensile Behavior of Zircaloy-2 at Room Temperature, R.S. Rajpurohit, N.C. Santhi Srinivas, S. R. Singh, Vakil Singh Trans IIM, ,
  • Low  Cycle  fatigue  behavior  of modified 9Cr-1Mo steel at 300oC  Preeti  Verma,  N.C.  Santhi  Srinivas, Vakil  Singh, Materials Science and Engineering A, 2018,715,17-24. 
  • Fatigue  behavior  of Zircaloy-2 under asymmetric loading at 400°C, R.S.  Rajpurohit,  N.C.  Santhi  Srinivas,  S.R.  Singh, V.  Singh Int. Journal of Pressure Vessels and Piping, 2018, 159,84–92.
  • Vaibhav Pandey, K. Chattopadhyay, N.C. Santhi Srinivas, and Vakil Singh. “Role of Ultrasonic Shot Peening on Low Cycle Fatigue Behavior of 7075 Aluminium Alloy”, International Journal of Fatigue, 103 (2017): 426-435.
  • Sanjeev Kumar, K Chattopadhyay, Vakil Singh, ‘Effect of ultrasonic shot peening on low cycle fatigue behaviour of the Ti-6Al-4V alloy’, Journal of Alloys and Compounds, vol. 724, pp. 187-197, (2017).
  • Vakil Singh, Vaibhav Pandey, Sanjeev Kumar, N.C. Santhi Srinivas, and Kausik Chattopadhyay, "Effect of Ultrasonic Shot Peening on Surface Microstructure and Fatigue Behavior of Structural Alloys." Transactions of the Indian Institute of Metals, 69, no. 2 (2016): 295-301. 
  • V Pandey, SG Rao, K Chattopadhyay, NC SanthiSrinivas, V Singh, ‘Surface Nanostructuring and Cyclic Deformation of Aluminum Alloy 2014’, Materials Science and Engineering A, 647, (2015), 201-211.
  • P.K. Rai, Vaibhav Pandey, K. Chattopadhyay, L.K. Singhal, V. Singh, ‘Effect of ultrasonic shot peening on microstructure and mechanical properties of high nitrogen austenitic stainless steel’, Journal of Materials Engineering and Performances, 2014, 23(11), 4055-64.