Items where Author is "Roy, Nilima"

Article

Guguloth, K and Roy, Nilima (2023) Creep life estimation of reformer alloy using 0-projection method- A neuro fuzzy approach. International Journal of Pressure Vessels and Piping, 203 .

Guguloth, K and Roy, Nilima (2018) Study on the creep deformation behavior and characterization of 9Cr-1Mo-V-Nb steel at elevated temperatures. Materials Characterization, Volume 146, December 2018, Pages 279-298 (IF-3.220). pp. 279-298.

Roy, Nilima and Bhardwaj, A and Kujur, A and Ghosh, M and Singh, R and Meena, L K and Das, Goutam and Chattoraj, I (2018) Effect of heterogeneities on pitting potential of line pipe steels: An adaptive neuro-fuzzy approach. Corrosion science, 133 (IF-5.245). pp. 327-335.

Guguloth, K and Swaminathan, J and Roy, Nilima and Ghosh, R N (2017) Uniaxial creep and stress relaxation behavior of modified 9Cr-1Mo steel. Materials Science and Engineering A- Structural Materials Properties Micro-structure and Processing, 684 (IF-3.094). pp. 683-696.

Guguloth, K and Roy, Nilima (2017) Creep deformation behavior of 9Cr1MoVNb (ASME Grade 91) steel. Materials Science and Engineering A, 680 (IF-3.094). pp. 388-404.

Ray, Ashok K and Roy, Nilima and Raj, A and Roy, B N (2016) Structural integrity of service exposed primary reformer tube in a petrochemical industry. International Journal of Pressure Vessels and Piping, 137 (IF-1.28). pp. 46-57.

Roy, Nilima and Raj, A and Roy, B N and Ray, Ashok K (2015) Creep deformation and damage evaluation of service exposed reformer tube. Canadian metallurgical quarterly, 54(2) (IF-0.5). pp. 205-222.

Roy, Nilima and Das, Avimanyu and Ray, Ashok K (2015) Simulation and quantification of creep damage. International Journal of Damage Mechanics (IF-1.495).

Das, Arpan and Roy, Nilima and Ray, Ashok K (2014) Stress induced creep cavity. Materials Science and Engineering A, 598 (IF-2.409). pp. 28-33.

Raj, A and Goswami, B and Kumar, S B and Krishna, G and Roy, Nilima and Ray, Ashok K (2014) Damage Analysis of Service Exposed Reformer Tubes in Petrochemical Industries. High Temperature Materials and Processes, 33(3) (IF-0.356). pp. 201-216.

Raj, A and Goswami, B and Kumar, S B and Krishna, G and Roy, Nilima and Ray, Ashok K (2014) Performance and Life Assessment of Reformer Tubes in Petrochemical Industries. High Temperature Materials and Processes, 33(3) (IF-0.356). pp. 217-230.

Ray, Ashok K and Roy, Nilima and Matwa, M and Davuluri, A and Kumari, A and Kumar, P and Mundhada, D and Kaushal, V and Roy, B N (2014) Uncertainty in Damage Assessment and Remaining Life Prediction of Engineering Materials Used In Petrochemical Industry. Petroleum & Environmental Biotechnology, 5(4) . pp. 1-16.

Roy, Nilima and Guguloth, K and Bagui, Sumanta and Tiwari, Y N and Ray, Ashok K (2013) Damage assessment of service exposed reactor and distill-ation column materials of a petrochemical industry. Engineering Failure Analysis, 28 (IF-0.855). pp. 289-301.

Roy, Nilima and Bagui, S and Sahu, J K and Ray, A K (2013) Creep characterization and damage assessment of long term service exposed P-22 grade of steel. Materials Science and Engineering A, 560 (IF-2.108). pp. 802-810.

Roy, Nilima and Bose, S C and Ghosh, R N (2010) Stochastic aspects of evolution of creep damage in austenitic stainless steel. Materials Science and Engineering: A, 527 (18-19). pp. 4810-4817.

Chaudhuri, S and Roy, Nilima and Ghosh, R N (2010) Assessment of creep and rupture behavior of 2.25Cr-1Mo steel — A strain based approach and its limitation. Transactions of the Indian Institute of Metals, 63 (2-3). pp. 403-409.

Roy, Nilima and Ghosh, R N and Bose, S C (2010) A stochastic model for evolution of creep damage in engineering materials. Transactions of the Indian Institute of Metals, 63 (2-3). pp. 665-669.

Ray, Ashok K and Roy, Nilima and Kar, Abhijit and Ray, Ajoy K and Bose, S C and Das, Goutam and Sahu, J K and Das, D K and Venkataraman, B and Joshi, Srikanth V (2009) Mechanical property and characterization of a NiCoCrAlY type metallic bond coat used in turbine blade. Materials Science and Engineering: A, 505 (1-2). pp. 96-104.

Ray, Ashok K and Guguloth, K and Swaminathan, J and Bose, S C and Roy, Nilima and Tiwari, Y N and Roy, P K and Alam, Z and Sharma, VSRA and Joshi, Srikanth V and Venkataraman, B and Das, D K (2009) Damage Resistance of a Thermal Barrier Coated Superalloy Used in Aero Turbine Blade under Accelerated Creep Condition. High Temperature Materials And Processes, 28 (1-2). pp. 35-53.

Ray, Ashok K and Diwakar, K and Roy, Nilima and Das, H K and Sahu, J K and Ghosh, R N (2008) Creep behaviour and stress analysis of a seventeen-year service-exposed primary super heater tube in a thermal power plant. Canadian Metallurgical Quarterly, 47 (4). pp. 469-478.

Ray, Ashok K and Diwakar, K and Sahu, J K and Das, H K and Roy, Nilima and Ghosh, R N (2008) Stress Analysis and Creep Behavior of Service Exposed Primary Superheater Tube in a Thermal Power Plant. High Temperature Materials And Processes, 27 (2). pp. 79-89.

Ray, Ashok K and Goswami, B and Singh, M P and Das, D K and Roy, Nilima and Ravi Kumar, B and Dash, Byomkesh and Ray, Ajoy K and Das, Goutam and Rupa, P K P and Parida, N and Das, Arpan and Swaminathan, J and Dwarakadasa, E S (2006) Characterization of bond coat in a thermal barrier coated superalloy used in combustor liners of aero engines. Materials Characterization, 57 (3). pp. 199-209.

Ray, Ashok K and Roy, Nilima and Dash, Byomkesh and Das, D K and Ranganath, V R and Goswami, B and Singh, M P and Tiwari, Y N and Roy, P K and Das, H K and Sanyal, D and Dwarakadasa, E S (2006) High temperature mechanical properties of thermal barrier coated superalloy applied to combustor liner of aero engines. High Temperature Materials And Processes , 25 (3). pp. 109-119.

Ray, Ashok K and Das, D K and Venkataraman, B and Roy , P K and Goswami, B and Roy, Nilima and Das, S K and Parida, N and Tarafder, S and Chaudhuri, S and Sahay, S K and Ghosh, R N (2005) Characterization of rupture and fatigue resistance of TBC superalloy for combustion liners. Materials Science and Engineering A, 405 (1-2). pp. 194-200.

Banerjee, K and Roy, Nilima and Ghosh, R N and Chatterjee, U S (2004) Strain rate dependence of plastic flow behaviour of HSLA-100 steel in seawater during cathodic charging of hydrogen. Transactions of the Indian Institute of Metals, 57 (6). pp. 611-616.

Roy, Nilima and Godiwalla, K M and Dwarakadasa, E S and Ray, Ashok K (2004) Elasto-plastic deformation in thermal barrier coated superalloys. Scripta Materialia, 51 (7). pp. 739-743.

Roy, Nilima and Godiwalla, K M and Chaudhuri, S and Ray, Ashok K (2001) Simulation of bond coat properties in thermal barrier coatings during bending. High Temperature Materials and Processes, 20 (2). pp. 103-116.

Ray, Ashok K and Roy, Nilima and Godiwalla, K M (2001) Crack propagation studies and bond coat properties in thermal barrier coatings under bending. Bulletin of Materials Science, 24 (2). pp. 203-209.

Godiwalla, K M and Roy, Nilima and Chaudhuri, S and Ray, Ashok K (2001) Investigation and modeling of mechanical properties for thermal barrier coatings under bending. International Journal of Turbo & Jet-Engines, 18 (2). pp. 77-103.

Roy, Nilima and Ghosh, R N and Pandey, M C (2001) Modelling of interaction between creep and oxditaion behaviour for engineering materials. ISIJ International, 41 (8). pp. 915-921.

Chaudhuri, S and Roy, Nilima and Ghosh, R N (2000) Stress rupture ductility diagram - A diagnostic tool. ISIJ International, 40 (2). pp. 207-210.

Roy, Nilima and Ghosh, R N (1997) Modelling effects of specimen size and shape on creep of metals and alloys. Scripta Materialia, 36 (12). pp. 1367-1372.

Ghosh, R N and Chaudhuri, S and Roy, Nilima and Chattopadhyay, Lalitha (1995) Creep life extension of high-temperature components under wall thinning conditions. Sadhana-Academy Proceedings in Engineering Sciences, 20 ( ). pp. 331-339.

Bhattacharjee, S and Roy, Nilima and Dey, A K and Banerjee, M K (1993) Statistical appraisal of the atmospheric corrosion of mild steel. Corrosion Science, 34 (4). pp. 573-581.

Chaudhuri, S and Roy, Nilima and Ghosh, R N (1993) Modelling high temperature creep of Cr---Mo steel. Acta Metallurgica et Materialia, 41 (1). pp. 273-278.

Book or NML Publication

Ray, Ashok K and Roy, Nilima and Dash, Byomkesh and Ranganath, V R and Tiwari, Y N and Goswami, B and Dwarakadasa, E S (2010) Failure: Chapter 8. In: Introduction to the science and engineering of materials; MSE 209. Uinversity of Virginia, USA.

Conference or Workshop Item

Bose, S C and Roy, Nilima and Ghosh, R N (2009) Probabilistic creep life assessment of austenitic stainless steel. In: NMD - ATM 2009, November 14, 2009 to November 17, 2009, Science City Complex,Kolkata, India.

Chaudhuri, S and Roy, Nilima and Ghosh, R N (2008) Assessment of creep and rupture behavior of 2.25Cr-1Mo steel – A strain-based approach and its limitation. In: 5th International Conference on Creep, Fatigue and Creep-Fatigue Interaction, September 24-26, 2008, Kalpakkam.

Ray, Ashok K and Roy, Nilima (2002) Modelling of Elasto-Plastic Deformation and Crack Propagation Studies in Thermal Barrier Coated Superalloys. In: Proceedings of the Indo-Malaysian Joint Workshop(WAM-2002), 12-13 March, 2002, National Metallurgical Laboratory, Jamshedpur.

Project Reports

Ray, Ashok K and Roy, Nilima and Sahu, J K and Tiwari, Y N and Ray, R K and Sharma, R K and Gunjan, M K and Singh, S R (2011) Studies on creep behaviour and Statistical analysis of services exposed P-22 grade of Steel. Exploratory (OLP). CSIR-NML, Jamshdpur.

Roy, Nilima and Ghosh, R N and Dash, Byomkesh and Sivaprasad, S and Tarafder, S (2008) Software development for Critical Assessment of High Temperature Engineering components. Other (TMP). CSIR-NML, Jamshdpur. (Submitted)

Roy, Nilima and Ghosh, R N and Bose, S C and Swaminathan, J (2007) A Stochastic Model for Assessment of Creep damage. Exploratory (OLP). CSIR-NML, Jamshdpur. (Submitted)