Name : Mr.Prabir Kumar Roy
Designation : Principal Technical Officer
Contact Information :
- Email id : prabir@nml.res.in
- Mobile/Phone no: Land: 0657-2345194, Mobile No. 9470567331
Educational Qualification : B.Sc. (Calcutta University), D.E.E. (A.P.C. Roy Polytechnic, Jadavpur, Kolkata), A.M.I.E. [I.E.(india)] in Metallurgical Engg., M. Sc. (Engineering) (NIT, Jamshedpur) in Metallurgical Engg.
Areas of Expertise : Mechanical Property Evaluation in the area of creep, fatigue, tensile, impact etc. Life assessment studies for the components of thermal power plants, oil refineries etc.. Creep data generation in a large volume and its application.
No. of Papers Published : 27(Twenty Seven)
- International : Publication in SCI Journals: 1. Ashok Kr. Ray, Swapan Kr. Das, Prabir Kumar Roy and S. Banerjee, “Fractography of Fatigued and Fractured Regions in a Silicon Carbide Whisker Reinforced Alumina Composite”, Journal of the European Ceramic Society, Vol. 15, 1995, pp 191-199 2. A.K. Ray, Y.N. Tiwari, R.K. Sinha, S.K. Sinha, P.K. Roy, R. Singh and S. Chaudhuri, “ Mechanical Property Evaluation and Remaining Life Assessment of Service Exposed Steam Pipe of boilers in a Thermal Power Plant”, High Temperature Materials and Processes, Vol. 20, No.1, 2001, pp 39-50 3. A.K. Ray, Y.N. Tiwari, R.K. Sinha, P.K. Roy, S.K. Sinha, R. Singh, S. Chaudhuri, “ Remnant life assessment of service-exposed pendent superheater tubes”, Engineering Failure Analysis, Vol.9, 2002, pp 83-92 4. A.K. Ray, Y.N. Tiwari, S. Chaudhuri, V.R. Ranganath, S. Sivaprasad, P.K. Roy, G. Das, S. Ghosh Chowdhuri, P. Kumar and R. N. Ghosh, “Remaining Life Assessment of Service Exposed Reheater and Superheater Tubes in a Boiler of a Thermal Power Plant”, High Temperature Materials and Processes, Vol. 21, Nos. 1-2, 2002, pp 109-121 5. S. Sivaprasad, J. Swaminathan, Y.N. Tiwari, P.K. Roy, R. Singh, “Remaining life assessment of service exposed reactor and distillation column materials of a petrochemical plant”, Engineering Failure Analysis, Vol. 10, 2003, pp 275-289 6. Ashok Kumar Ray, Yogendra Nath Tiwary, Abdul Jabbar Khan, Prabir Kumar Roy, Gautam Das and Raghubir Singh, “Health Assessment of Radiant Heater Tube”, High Temperature Materials and Processes, Vol.24, No.1, 2005, pp 35-45 7. A.K. Ray, Y.N. Tiwari, P.K. Roy, S. Chaudhuri, S.C. Bose, R.N. Ghosh, J.D. Whittenberger, “Creep rupture analysis and remaining life assessment of 2.25Cr-1Mo steel tubes from a thermal power plant”, Material Science & Engineering A, Vol. 454-455, 2007, pp 679-684 8. A.K. Ray, S.R. Singh, J. Swaminathan, P.K. Roy, Y.N. Tiwari, S.C. Bose, R.N. Ghosh, “Structure Property Correlation Study of a Service Exposed First Stage Turbine Blade in a Power Plant”, Material Science and engineering A, Vol. 419, Issue 1-2, March 2006, pp 225-232 9. A.K. Ray, D.K. Das, B. Venkataraman, P.K. Roy, B. Goswami, N. Roy, S.K. Das, N. Parida, S. Tarafder, S. Chaudhuri, S.K. Sahay, R.N. Ghosh, “Characterization of rupture & fatigue resistance of TBC superalloy for combustion liners”, Material Science & Engineering A, Vol. 405, 2005, pp 194-200 10. A.K. Ray, N. Roy, B. Dash, D.K. Das, V.R. Ranganath, B. Goswami, M.P. Singh, Y.N. Tiwari, P.K. Roy, H.K. Das, D. Sanyal and E.S. Dwarakadasa, “High Temperature Mechanical Properties of Thermal Barrier Coated Superalloy Applied to Combustor Liner of Aero Engines”, High Temperature Materials and Processes, Vol. 25, No.3, 2006, pp 109-119 11. Jaganathan Swaminathan, Krishna Guguloth, Manojkumar Gunjan, Prabir kumar Roy, Rabindranath Ghosh, “Failure analysis and remaining life assessment of service exposed primary reformer heater tubes”, Engineering Failure Analysis, Vol. 15, 2008, pp 311-331 12. Jaganathan Swaminathan, Prabha Prasad, Manoj Kumar Gunjan, Krishna Guguloth, Prabir Kumar Roy, Raghubir Singh, Rabindranath Ghosh, “Mechanical strength and microstructural observations for remaining life assessment of service exposed 24Ni-24Cr-1.5Nb cast austenitic steel reformer tubes ”, Engineering Failure Analysis, Vol. 15, 2008, pp 723-735 13. A.K. Ray, G. Krishna, J. Swaminathan, S.C. Bose, N. Roy, Y.N. Tiwari, P.K. Roy, Z. Alam, V.S.R.A. Sharma, S.V. Joshi, B. Venkatraman and D.K. Das, “Damage Resistance of a Thermal Barrier Coated Superalloy Used in Aero Turbine Blade under Accelerated Creep Condition”, High Temperature Materials and Processes, Vol 28, Nos. 1-2, 2009, pp 35-53 14. Ashok K. Ray, B. Goswami, A. Kar, Ajoy K. Ray, H.K. Das, P.K. Roy, S.B. Kumar and S.C. Bose, “ Damage resistance of a thermal barrier coated super alloy for combustor liners in aero turbines during fatigue and creep”, The Canadian Metallurgical Quarterly, Vol. 47, No.4, 2008, pp 479-493 15. Ashok Kumar Ray and Prabir Kumar Roy , “High cycle fatigue and cyclic plastic deformation behaviour of high temperature oxidation resistant Titanium Aluminide coated IMI 834 alloy at 873oK”, High Temperature Materials and Processes”, Vol. 31, 2012, pp 691-699 16. P.S.M. Jena, Rajesh Kumar Rai, P.K.Roy & J.K. Sahu, “Role of internal oxidation and iron penta carbonyl formation on creep life of 9Cr-1Mo steel”, Materials at High Temperatures, Vol. 34, Issue 4, 2017, pp. 239-249. 17. A.K. Ray, Y.N. Tiwari, J.K. Sahu, J. Swaminathan, S.K. Sinha, S. Ghosh Chowdhury, G. Das, P.K. Roy, H.K. Das, G.V.S. Murthy, P.Kumar, S. Chaudhuri and R.N. Ghosh, “Residual Life Estimation of Service Exposed Reheater Tubes in Boiler of a Thermal Power Plant”, Journal of the Mechanical Behaviour of Materials, Vol. 13, No.2, 2002, pp 73-89 18. A.K. Ray, Y.N. Tiwari, P.K. Roy, G. Das and S. Chaudhuri, “ Life Prediction of Service Exposed Tubes in a Boiler of a Thermal Power Plant”, Journal of the Mechanical Behaviour of Materials, Vol.14, Nos. 2-3, 2003, pp 149-161 19. A.K. Ray, G. Das, H.K. Das, P.K. Roy and R.N. Ghosh, “Failure Analysis of a Boiler Feed Water Piping in a Refinery”, Journal of the Mechanical Behaviour of Materials(U.K.), Vol. 17, No.5, 2006, pp 287-295. 20. A.K. Ray, Y.N. Tiwary, P.K. Roy, G. Das and R. Singh, “ Remnant life assessment of radiant heater tube”, International Conference Proceedings on Pressure Vessels and Piping, Materials and Properties, Edited by Baldev Raj, B.K. Choudhary and Anish Kumar, Vol. II, Narosa Publishing House, New Delhi, 2009, pp. 245-255. 21. Ashok Kumar Ray, Yogendra Nath Tiwary, Prabir Kumar Roy, Gautam Das and Raghubir Singh, “Remnant life assessment of radiant heater tube”, RAMS Asia, April-July, 2007, pp 50-56.
- National : 1. A.K. Ray, Y.N. Tiwari, S. Tarafder, P.K. Roy, R.K. Sinha, S. Chaudhuri and R. Singh, “Prediction of Remaining Life of Service Exposed CCU Reactor, Distillation Column and FCCU Reactor Plates Used in Petrochemical Industries”, Chemical Weekly, Vol.XLIV, No. 19, 1999, pp 139-143. 2. A.K. Ray, S. Tarafder, D.K. Das, B. Venkatraman, P.K. Roy, B. Goswami, Y. N. Tiwary, S. Palit Sagar, V.R. Ranganath, G. Das, S. Chaudhuri & R.N. Ghosh, “Damage Resistance of Thermal Barrier Coated Superalloy in Combustion Chamber Liner”, Journal of Metallurgy & Material Science, Vol.46, No.4, October-December 2004, pp 205-212. 3. A.K. Ray, S.R. Singh, A. Kailath, P.K. Roy, S. K. Das and R.N. Ghosh, “Fatigue and creep damage and its correlation with microstructure of a service exposed first stage turbine blade in a power plant”, Journal of Metallurgy & Material Science, Vol. 47, No.2, April-June 2005, pp 59-69. 4. Prabir Kumar Roy, “Creep Rupture Analysis and Life Estimation of 1.25Cr-0.5Mo, 2.25Cr-1Mo and Modified 9Cr-1Mo Steel : A Comparative Study”, Published online in the Journal of the Institution of Engineers (India) Series D. 5. J. Swaminathan, S. Sivaprasad, Y.N. Tiwary, P.K. Roy and R. Singh, “Remaining Life Assessment of Service Exposed Reactor and Distillation Column Materials of a Petrochemical Industry”, Proceedings of a workshop on Remaining Life Assessment of Aged components in Thermal Power Plants and Petrochemical Industries( RLA-2003) at National Metallurgical Laboratory, Jamshedpur, January 8-9, 2003, pp 131-145. 6 .A.K. Ray, Y.N. Tiwari, J.K. Sahu, J. Swaminathan, P.K. Roy, S.K. Sinha, G. Das, S. Ghosh Chowdhury, P. Kumar and S. Chaudhuri, “Effect of Oxide Scale Deposition on the Residual Life of Service Exposed Reheater Tubes in a Boiler of a Thermal Power Plant”, Proceedings of a national seminar on Corrosion and its Prevention(NSCP-2001) at National Metallurgical Laboratory, Jamshedpur, 13-14 December, 2001, pp 57-73.
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Equipment/Software Skills : 1. Hands on experience in running the closed loop servo-hydraulic and servo-electric testing machines( INSTRON, MTS) 2. Operation of Zwick-Roell instrumented impact testing machine 3. Operation of creep testing machines 4. Knowledge of MS Excel, MS Word, MS Power Point, Origin software packages
Awards and Recognitions : 1. "B.R. Nijhawan Award” for the best paper published from the Laboratory (CSIR-NML) in the year 1996. 2. “V.A. Altekar Award” in 2010 for significant technological services rendered through sponsored project.
Working in the field of Mechanical Property Evaluation for evaluating mechanical properties like creep, fatigue, tensile, impact. Doing life assessment studies for the components of thermal power plants, oil refineries etc.. Hands-on experience in running closed loop Servo-hydraulic, Servo-electric testing machines, Creep testing machines, Instrumented impact testing machines etc. for testing of metallic materials. I am also doing maintenance of machines. My publications can be found at Google Scholar.
