Publications Reports and Awards

Publications, Reports and Awards
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Publications, Reports and Awards of
Shri. V. RAMASUBBU, Scientific Officer (Retd.)
Materials Joining Section, Materials Technology Division, Indira Gandhi Centre for Atomic
Research, Kalpakkam-603102, INDIA
Journal Publications
1. S. K. Albert, T.P.S. Gill, V. Ramasubbu, F.C. Parida, P. Rodiguez and S.D. Kulkarni
‘Studies on hydrogen assisted crack susceptibility of 2.25Cr-1Mo steel weldments’ Proc. Of
Nation Welding Seminar, Indian Institute of Welding, 1995, pp214-220
2. Albert, S.K., Gill, T.P.S., Ramsubbu V. and Kulkarni, S.D. 'Variation in Diffusible
Hydrogen Content and Hydrogen Assisted Cracking Susceptibility of Cr-Mo Steels' Proc. of
International Welding Conference, The Indian Institute of Welding, Mumbai, 1996, PP.
(A54-1)- (A54-8)
3. Albert, S.K., Gill, T.P.S., Ramasubbu, V., Parida, F.C.and Kulkarni, S.D. 'Studies on
Hydrogen Assisted Cracking Susceptibility of.2.25Cr-1Mo Steel Weldments.' Indian
Welding Journal 30(3), 1997 PP.7-13.
4. Albert, S.K., Ramasubbu, V., Gill T.P.S. and Kulkarni, S.D. 'Effect of Composition on the
Diffusible Hydrogen Content in Cr-Mo Steel Welds.' to be published in the Proc. of. Jubilee
Int. Coni: 60 Years of Scientific Co-operation in Welding Timisora Romania,1997.
5. Chakravarthy, S.; Ramsubbu, V, Gill, T.P.S. 'Development of Activated Flux for GTAW
Process, Proc. of National Welding Seminar 1997, Bangalore pp 145-151.
6. Albert, S.K., Ramsubbu, V., Parvathavarthini, N. and Gill, T.P.S. 'Influence of Alloying
Behaviour of Diffusible Hydrogen in Cr-Mo Steels' to be published in Proc. of Ninth
International Conference on Joining of Materials, 1999, Denmark
7. S.K.Albert, C.R.Das, V. Ramasubbu, A.K.Bhaduri, S.K.Ray, Baldev Raj: In situ repair
welding of steam turbine shroud for replacing a cracked blade, Journal of Materials
Engineering and Performance, 11(3),2002,243-249

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8. S.K.Albert, V. Ramasubbu, C.R.Das, AKBhaduri, S.KRay, Baldev Raj: Experience in in-
situ repair welding of steam turbine shrouds and blades, Power Plant: Operation,
Maintenance and Materials Issues, 2(2), 2003, 8.1-8.13
9. C.R.Das, V. Ramasubbu, A.K. Bhaduri, S.K.Ray: Repair welding of a cracked turbine
shroud using matching composition consumables, Science and Technology of Welding and
Joining, 9, 2004, in press Conference Proceedings
10. A.K. Bhaduri, T.P.S. Gill, S.K. Albert, V. Ramasubbu, K.Shanmugam, K. Balachander:
Repair welding procedure for steam turbine components using matching composition
consumables, International Symposium on Joining of Materials, Welding Research Institute,
Tiruchirappalli, 2000, 182-191
11. T.P.S.Gill, A.K.Bhaduri, S.KAlbert, V. Ramasubbu, G.Srinivasan, K.Shanmugam, K.
Balachander: Repair welding of cracked steam turbine shrouds using matching composition
consumable Materials Ageing and Life Management (ed: Baldev Raj, KBS Rao,
T.Jayakumar, RK Dayal) Allied Publishers, Chennai, 2000, 1467-1477
12. A.K.Bhaduri, S.K.Albert, V. Ramasubbu, T.P.S.Gill, B.P.S.Rao: Effect of long-term ageing
on the hardness of Colmonoy-5 hardface deposits, International Welding Conference, Indian
Institute of Welding, New Delhi, 2001, 737-745
13. C.R.Das, S.KAlbert, V. Ramasubbu, A.K.Bhaduri, C.Sudha, A.L.E.Terrance: Effect of
dilution on the microstructure and hardness of a nickel-base hardfacing alloy, National
Welding Seminar, Indian Institute of Welding, Chennai, 2002, 2.1-2.9
14. C.R.Das, S.K.Albert, V. Ramasubbu, G.Srinivasan, A.K.Bhaduri: Development of welding
procedure using 'twin wire' for repair of martensitic stainless steel steam turbine blades,
Advances in Materials and Materials Processing (ed: N.Chakraborti, UK ChatteIjee), Tata
McGraw-Hill, New Delhi, 2002, 272-276
15. S.K.Albert, V. Ramasubbu, C.R.Das, AKBhaduri, S.K.Ray, Baldev Raj: Experience in
insitu repair welding of steam turbine shrouds and blades, 3rd International HIDA &
Integrity Conference on Integrity of High Temperature Repair Welds, Instituto de Soldadur,
Oeiras-Lisbon, Portugal, 2002, 295-305

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16. A.K.Bhaduri, S.K.Albert, V.Shankar, C.R.Das, G Srinivasan, V. Ramasubbu, A.Dasgupta,
A.L.E.Terrance, C.Sudha, P.Kuppusami, V.S.Raghunathan: Hardfacing and surface
engineering for PFBR, Materials R&D for PFBR (ed: S.L.Mannan, M.D.Mathew), lGCAR,
Kalpakkam, 2003, 249-262
17. A.K. Bhaduri, S.K. Albert, C.R. Das, M. Vasudevan, G. Srinivasan, V. Ramasubbu, S.
Venugopal, P.R. Sreenivasan, S.K. Ray: Development of welding technology, Materials
R&D for PFBR (ed: S.L.Mannan, M.D.Mathew), lGeAR, Kalpakkam, 2003, 263-277
18. G.Srinivasan, AKBhaduri, V. Ramasubbu, ABalasubramanian, P.Ramadasan,
KShanmugam: Development of indigenous stainless steel electrodes for PFBR component,
National Welding Seminar, Indian Institute of Welding, Kolkata, 2003, IC/l/l-8
19. C.R. Das, S.K. Albert, A.K. Bhaduri, G. Srinivasan, V. Ramasubbu: Development of repair
welding procedure for cracked 5th stage blades of low-pressure steam turbines, National
Welding Seminar, Indian Institute of Welding, Kolkata, 2003, IVC/l/l-8
20. V. Ramasubbu, S.K. Albert, A. K. Bhaduri, S.K. Ray Development of activated flux for
tungsten inert gas welding of 304L(N) austenitic stainless steel, National Welding Seminar,
Indian Institute of Welding, Baroda, 2003, 16.1-16.8 in CD
21. C.R. Das, V. Ramasubbu, S.K. Albert, A.K. Bhaduri, C. Balasubramanian: Effect of
welding process on dilution of nickel base hardfacing alloys, Symposium on Joining of
Materials, Welding Research Institute, Tiruchirappalli, 2004, accepted
Publications during Aug-2004 to July 2009
22. “Repair welding of a cracked turbine shroud using matching composition consumables”,
C.R. Das, V. Ramasubbu, A.K. Bhaduri, S.K. Ray Science and Technology of Welding
and Joining, 9, 2004, 10(1) (2005) 110–112.
23. “Quality assessment of mechanical and metallurgical properties of 9Cr-1Mo modified low
alloy steel electrodes for SMAW process to RCC-MR code for PFBR project”,
K.Shanmugam, S.K.Albert, V. Ramasubbu, A.K. Bhaduri IIW International Welding
Congress, Indian Institute of Welding, Mumbai, (2005) IWA-040.

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24. “Toughness of modified 9Cr-1Mo steel weld metal”, S.K. Albert, C.R.Das, V. Ramasubbu,
A. Moitra, P.R. Sreenivasan, A.K. Bhaduri: International Institute of Welding –
International Welding Congress, Indian Institute of Welding, Mumbai (2005) IWA-129.
25. “Development of twin wire technique for repair of turbine blade made of martensitic
stainless steel”, C.R. Das, G. Srinivasan, S.K. Albert, A.K. Bhaduri and V. Ramasubbu
under review in Sci. Tech. of Welding and Joining.
26. “Development of hardfacing Technology for 500 MWe Fast Breeder Reactor”,
A.K.Bhaduri, S.K.Albert, C.R.Das, Hemant Kumar, V. Ramasubbu, V.Balasubramaniyan,
B.P.S.Rao, S.K.Ray, National Welding Seminar, Indian Institute of Welding, Bhilai (15-17
December 2005) PP.129-144
27. “Development of shielded metal arc welding consumables for grade 91 steel with specified
toughness and RT-NDT requirements”, S.K.Albert, V. Ramasubbu, C.R.Das, A.Moitra,
P.Parameswaran, A.K.Bhaduri, International Conference on Pressure Vessels and Piping,
Chennai (7-9 February 2006) C1-17
28. “Evaluation of the Hydrogen Assisted Cracking (HAC) Susceptibility of Modified 9Cr-1Mo
(P91) Steel using Implant Test”, V. Ramasubbu, S.K. Albert, V. Guruprasad* and A.K.
Bhaduri, National Welding Seminar (24-26 November 2006) pp 342 -349 (on CD-ROM)
29. “The evaluation of Dynamic Fracture Toughness Based Reference Temperature (T0
dy
) of
modified 9cr-1mo welds in different welding positions”, A.Moitra, S. Sathyanarayanan,
S.K. Albert, V. Ramasubbu, K.G. Samuel, S.K.Ray, National Welding Seminar (24-26
November 2006) pp(335-341) (on CD-ROM)
30. “Assessment of toughness and susceptibility to hydrogen assisted cracking of modified 9Cr-
1Mo steel weld joint, Symposium on Fatigue”, S.K.Albert, A.K.Bhaduri, V. Ramasubbu,
C.R.Das, A.Moitra, Fracture and Integrity Assessment, R&D – Tata Steel Ltd, Jamshedpur
(6–7 March 2007).
31. “Repair welding of martensitic stainlesssteel blades and shrouds of steam turbines”,
A.K.Bhaduri, S.K.Albert, C.R.Das, V. Ramasubbu, International Symposium on Advanced
Stainless Steel, Chennai (9-11 April 2007) Paper 169 (on CD-ROM).

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32. “A Differential Scanning Calorimetry (DSC) study of welding consumables for modified
9Cr-1Mo ferrite steel” B. Jeyaganesh, S. Raju, S. Murugesan, E. Mohandas, M.
Vijayalakshmi , V. Ramasubbu, S. K. Albert and A. K. Bhaduri IIWIC 2008, Chennai 8-10,
Jan. 2008 370-380
33. “Effect of composition on diffusible hydrogen content and hydrogen assisted cracking of
steel welds”, Proc. of International Workshop on Hydrogen Embrittlement of Metals, S.K.
Albert, V. Ramasubbu, N. Parvathavarthini and A.K. Bhaduri ed. J.K. Chakravartty, R.N.
Singh, A.Laik, K.V. Manikrishna. Materials Group, BARC, Mumbai, 2008, PP 205-215.
34. “A dynamic fracture-toughness-based reference temperature characterization for the weld
metals of modified 9Cr–1Mo steel in two different weld positions”, A. Moitra, S.
Sathyanarayanan, S.K. Albert, V. Ramasubbu, G. Sasikala, K.G. Samuel, S.K. Ray, Int. J.
of Pressure Vessels and Piping, 5(7) , 2008, pp78-485
35. “In-Situ Weld Repair of Blade Tenon of Steam Turbine in a Power Plant”, S. K. Albert, A.K.
Bhaduri, Chittranjan Das, V. Ramasubbu, S. Ravi. Int. J. Nuc. Eng. Sci. Tech., 3(4), 2007, pp. 413-
420.
36. “Effect of Minor Change in Composition on the Toughness of Weldmetal for Repair of
Turbine Blades made of Martensitic Stainless Steel” C.R. Das, S.K. Albert, A.K. Bhaduri,
G. Srinivasan and V. Ramasubbu Science and Technology of Welding and Joining 2008
VOL 13 NO 2 159-166
37. “Effect of dilution on GTAW Colmonoy 6 (AWS NiCr-C) Hardface Deposit made on 316LN
Stainless Steel,” V. Ramasubbu, Gopa Chakaravarthi, S. K. Albert and A. K. Bhaduri
under review in Materials Science and Technology.
38. “Effect of Repeated Repair of C-Mn Steel Welds on the Properties of the Weld Joints”, V.
Ramasubbu, G. Srinivasan, C.R. Das, S. K. Albert and A.K. Bhaduri NWS 4-6 Feb 2009
Paper 35
39. “Effect of Repeated Weld Repair on Austenitic Stainless Steel Welds” G. Srinivasan,
Hemant Kumar, V. Ramasubbu, S. K. Albert and A. K. Bhaduri NWS 4-6 Feb 2009 Paper
39

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40. “Diffusible Hydrogen Measurement in welding consumables using a new proton-exchange-
membrane based hydrogen sensor” Girsh Kumar Padhy, V. Ramasubbu, N. Murugesan, C.
Remash, S.K. Albert NWS 4-6 Feb 2009 Paper 40
41. “Microstructural characterization of GTAW hardface deposit of Colmonoy 6 (AWS NiCr-C) on
316LN stainless steel”, V. Ramasubbu, Gopa Chakravarty, S.K.Albert, A.K.Bhaduri, Materials
Science and Technology (2009) accepted for publication
42. “Study of Magnetism in Colmonoy-6 (AWS NiCr-C) Deposit on 316LN Stainless Steel”, Gopa
Chakraborty, V. Ramasubbu, S.K. Albert, A.K. Bhaduri, S.Murugesan and Baldev Raj, Accepted
for publication in Materials Science & Engineering -B. 2010
43. In-situ weld repair of cracked shrouds of turbine and characterization of the weld joint M. Divya,
C.R. Das, S.K. Albert, V. Ramasubbu, A.K. Bhaduri and P. Sivaraman NWS, Kolkata, 10-12 Dec.
2009 (soft copy).
44. Hydrogen Assisted cracking susceptibility of modified 9Cr-1Mo steel and its weld metal, IIW II-
1709-09 (II-A-210-09), S.K. Albert, V. Ramasubbu, S.I. Sunder Raj and A.K. Bhaduri, Presented in
Commission IIA meeting of International Institute of Welding in the Annual Assembly of IIW,
Singapore, July 12-15, 2009
45. “Effect of dilution on microstructure and properties of Colmonoy 6 hardface deposit made on 316LN
stainless steel”, Gopa Chakaraborty V. Ramasubbu, S.K. Albert, A.K.Bhaduri, Porc. NWS,
Kolkata, 10-12 Dec. 2009 (soft copy)
46. “Effect of dilution on GTAW Colmonoy 6 (AWS NiCr-C) Hardface Deposit made on 316LN Stainless
Steel”, V. Ramasubbu, Gopa Chakaraborty, S.K. Albert, A.K.Bhaduri accepted for publication in
Materials Science and Technology. 2010
47. Estimation of magnetic properties in nickel base hardfacing alloy deposit, Gopa Chakraborty, V.
Ramasubbu, S.K. Albert, A.K. Bhaduri, N.Thirumurugan and A. Bharathi, Proc. of ICBM8,
Kalpakkam, 11-12 February 2010 (soft copy).
48. Estimation of hardness in Nickel base hardface deposit on 316LN stainless steel by magnetic
techniques Gopa Chakraborty, V. Ramasubbu, S.K. Albert, A.K. Bhaduri, N. Thirumurugan and
A. Bharathi to be presented in Meeting of Technical Commission V during IIW Annual Assembly,
July 11-17, 2010, Istanbul

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C.K. Mukhopadhyay, V. Ramasubbu, S.K. Albert, B.P.C. Rao, A.K. Bhaduri and T. Jayakumar.
Journal of Welding in the World 2012 Vol. 56, Issue 11-12, pp 59-65.
59. “Rapid determination of diffusible hydrogen in steel welds using a modified gas chromatography
facility”, G. K. Padhy, V. Ramasubbu, S. K. Albert: Journal of Testing and Evaluation – in press
(Manuscript under revision in)
60. “Effect of temperature and alloying on the apparent diffusivity of hydrogen in steel”, G. K. Padhy,
V. Ramasubbu, N. Parvathabarthini, S.K. Albert: Material Science and Engineering: A – In press
(Manuscript submitted)
61. “Direct correlation between hydrogen assisted cracking susceptibility and dehydrogenation heat
treatments”, G. K. Padhy, V. Ramasubbu, S. K. Albert: (Manuscript under preparation)
62. “A new gas chromatography facility for rapid determination of diffusible hydrogen in steel welds”,
G. K. Padhy, V. Ramasubbu, K. R. Rangarajan, M. K. Singari, S. K. Albert Paper ID: 263, National
Welding Seminar, 7-9th February, 2013, Bangalore, India
63. “Evaluation of Arc Welding Process Using Digital Storage Oscilloscope”, N.
Savyasachi, S.K. Albert, V. Ramasubbu, N. Chandrasekar and A.O. Surendranathan.
64. “Delta Ferrite in the Weld Metal of Reduced Activation Ferritic Martensitic (RAFM) Steel”, Shiju
Sam, C.R. Das, V. Ramasubbu, S.K. Albert, A.K. Bhaduri, T. Jayakumar and E. Rajendra Kumar,
IAEA, Gandhinagar (2013)
65. Hydrogen Assisted Cracking Susceptibility of Modified 9Cr-1Mo steel and its Weld Metal”,
S.K. Albert, V. Ramasubbu, S.I. Sunder Raj* and A.K. Bhaduri IIW Commission Revision
II-1709-09 (II-A-210-09).
66. “Determination of apparent diffusivity of hydrogen in 9Cr-1MoVNbN steel using hot
extraction- PEMHS technique”, G.K. Padhy, V. Ramasubbu, N. Murugesan, C. Ramesh,
N. Parvathavarthini, S.K. Albert, International Journal of Hydrogen Energy 38 (2013),
pp10683-10693. http://dx.doi.org/10.1016/j.ijhydene.2013.06.077
67. Delta Ferrite in the Weld Metal of Reduced Activation Ferritic Martensitic Steel Shiju Sam,
C.R. Das, V. Ramasubbu, S.K. Albert, A.K. Bhaduri, T. Jayakumar, E. Rajendra Kumar,
Journal of Nuclear Materials 455 (2014), pp343-34
http://dx.doi.org/10.1016/j.jnucmat.2014.07.008
68. “Rapid Determination of Diffusible Hydrogen in Steel Welds Using a Modified Gas
Chromatography Facility”, G. K. Padhy, V. Ramasubbu, and S. K. Albert Journal of
Testing and Evaluation Vol. 43 / No. 1 / January 2015

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69. “Influence of surface roughness and melt super heat on HDA process to form a tritium
permeation barrier on RAFM steel”, J.Purushothaman, R.Ramaseshan, S.K.Albert,
R.Rajendran, N.Gowrishankar, V. Ramasubbu, S.Murugesan, Arup Dasgupta, T.Jayakumar
Preprint submitted to Fusion Engineering and design June 25, 2015.
70. “Studies on Hydrogen Assisted Cracking in Modified 9Cr-1Mo Steel Welds using Implant
test, Diffusible hydrogen measurement and Acoustic Emission Technique”, K. Sudhakar, V.
Ramasubbu, T. K. Haneef, C. K. Mukhopadhyay & Shaju. K. Albert. NWS 2015, Mumbai
Reports
1. Report on failure analysis of surge tank heater pins made of stainless steel located in WSCD,
BARCF, Kalpakkam (2013)
2. “Metallurgical Evaluation Damaged and as received Alnico5 Magnets” V. Ramasubbu, S.
K. Albert and A.K. Bhaduri Report to SFD/FRTG/IGCAR.
3. “PWHT of PQR Test Material 2.25Cr-1Mo Steel tube” V. Ramasubbu, S. K. Albert and
A.K. Bhaduri Report to RMD/ROMG.
4. “Identification of AISI SS316 & Chrome Moly fittings of FBTR sodium circuit pipe
component by in-situ metallography and magnigague studies of Unequal Tees” V.
Ramasubbu, S. K. Albert and A. K. Bhaduri Reported to RMD/ROMG.
5. “82 numbers of AISI316L stainless steel TIG welded joint’s Delta Ferrite Measurement Test
Report to BARCF/AUGF” V. Ramasubbu, S. K. Albert and A.K. Bhaduri dated on 31-03-
2008.
6. 2.25Cr-1Mo steel end plug PWHT Report V. Ramasubbu, S. K. Albert and A. K. Bhaduri
dated on 09-05-2008.
7. “Identification of SS316 fittings of FBTR sodium circuit pipe component by in-situ
metalography and magnigague studies of Tees” V. Ramasubbu, S. K. Albert and A. K.
Bhaduri dated on 09-07-2008.
8. A.K. Bhaduri, T.P.S. Gill, S.K. Albert, K. Shanmugam, K. Balachander, V. Ramasubbu:
Repair welding of cracked shroud of MAPS-1 HP-III stage steam turbine using matching

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composition consumables (Interim Report), MJSl Repair/NPC/2000/02, May 2000
9. A.K. Bhaduri, T.P.S.Gill, S.K. Albert, K. Shanmugam, K. Balachander, V. Ramasubbu:
Repair welding of cracked shroud using matching composition consumables for MAPS-1
HP-III stage steam turbine, MJSlRepair/NPC/2000/03, July 2000
10. S.K. Albert, V. Ramasubbu, C.R. Das, A.K. Bhaduri: Repair welding of turbine shroud and
blades at KAPS-2, IGC/MTD/MJSlRepair/2001/02, July 2001
11. C.R. Das, V. Ramasubbu, S.K. Albert, A.K. Bhaduri, R. Velusarny: Repair welding of a CA
15 cast impellor of an emergency cooling system pump of MAPS, IGC/MTD/MJS/2002/04,
April 2002
12. A. K. Bhaduri, G. Srinivasan, V. Ramasubbu, K. Shanmugam, A. Balasubramanian, P
.Rarmadasan: Development of indigenous modified E316-15 electrodes for shielded metal
arc welding, PFBR/30000/EX/1046, May 2002
13. C.R. Das, A.K. Bhaduri, V. Ramasubbu, R. Velusamy: Repair welding of cracked shroud in III-
stage of HP turbine of MAPS Unit-2, IGC/MTD/MJS/2003/03, June 2003
Awards
1. I. T. Mirchandani Memorial Reseach Award 1996 ‘Studies on hydrogen assisted crack
susceptibility of 2.25Cr-1Mo steel weldments’ National Welding Seminar 1995
2. H.D. Govindaraj Memorial Award 1997, IIW for the paper on Research Dr. S. K. Albert, Dr. T.P.S.
Gill, V. Ramasubbu and Prof. S.D.Kulkarni “HD Govidraj memorial Research Award presented for
the second best research paper presented at the international welding conference IWC-96 held at
Bombay Dec. 1996.
3. KCP Award 2002, IIW
4. Eutectic Reclamation Award 2003- C.R. Das, S.K. Albert, A.K. Bhaduri, G. Srinivasan, V.
Ramasubbu, “Development of repair welding procedure for cracked 5th stage blades of
low-pressure steam turbines”, National Welding Seminar, Indian Institute of Welding,
Kolkata, 2003, IVC/l/l-8 held during 23-25 January 2003 at Science City Auditorium,

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Kolkata.
5. H. D. Govindaraj Memorial Award 2005- for the best & Development - V. Ramasubbu, S.K.
Albert, A. K. Bhaduri, S.K. Ray Development of activated flux for tungsten inert gas welding
of 304L(N) austenitic stainless steel, National Welding Seminar, Indian Institute of Welding,
Baroda, 2003, 16.1-16.8 in CD
6. KCP Award on 16-12-2005, IIW
7. 3rd
Best Paper Award in the oral presentation session of the paper “Development of Shielded metal
arc welding consumables for grad 91 steel with specified toughness and RT-NDT requirements” at
the International Conference and Exhibition on PRESSURE VESSEL & PIPING, OPE2006-Chenni
during Feb. 07-09-2006 at Hotel Le Royal Meridian, Chennai
8. H.D. Govindaraj Memorial Award on 2006-
9. Weldmen Award on 24-11-2006
10. H.D. Govindaraj Memorial Award 2008- for the best paper in the Research category “Evaluation of
the Hydrogen Assisted Cracking (HAC) Susceptibility of Modified 9Cr-1Mo (P91) Steel
using Implant Test”, V. Ramasubbu, S.K. Albert, V. Guruprasad* and A.K. Bhaduri,
National Welding Seminar (24-26 November 2006) pp 342 -349 (on CD-ROM) at Chennai
Trade Centre, Nandampakkam, Chennai.
11. Group Achievement Award 2008- In-Situ Repair Welding of Steam Turbines of NPCIL
12. Eutectic Award 10-12-2009
13. Group Achievement Award 2009- Selection and Development of Hardfacing Technology for PFBR
14. ESAB India Award on 21-12-2010 for best technical paper across all categories present at National
welding Seminar, 2009-10 at Kolkata
15. Group Achievement Award 2010 – Design and Development of Roof Slab for PFBR
16. ESAB India Award -2011 for best technical paper across all categories present at National welding
Seminar, 2010 at Visakhapatnum

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