V.P. Raghupathy publication

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					               LIST OF PAPERS PUBLISHED / PRESENTED

1.   Ramesh S Sharma and Dr V.P. Raghupathy, “Influence of Core density,
     Core thickness and Rigid inserts on the dynamic characteristics of
     Sandwich panels with Polyurethane foam as Core”, Journal of Reinforced
     Plastics and Composites, Vol. 29, N0.1, 2010

2.   K. Siva, N. Murugan and Dr. V.P. Raghupathy, “Modelling, analysis and
     optimization of weld bead parameters of nickel based overlay deposited
     by plasma transferred arc surfacing”, International Journal of
     Computational Material and surface Engineering Vol. 1, Issue 3, 2009,
     Page 174 – 182

3.   S.V.Satish and Dr.V.P.Raghupathy, “Implant weldability tests on Ductile
     Iron and Austempered Ductile Iron” Paper accepted for publication in
     International Journal of Materials Sciences (IJoMS) 2009.

4.   S.V.Satish , Dr. V.P. Raghupathy. “Friction Stir welding of Ductile Iron
     and Austempered Ductile Iron using Interlayer Technology”, Research
     paper accepted for publication in “Journal of Indian Welding Society”
     2009.

5.   S.V.Satish and Dr.V.P.Raghupathy, “Fracture Studies of Ductile Iron
     and Austempered Ductile Iron Weld Joints” Paper presented at “the 2nd
     International Conference on Recent Advances in Material Processing
     Technology” Feb 2009, organized by National Engineering College,
     K.R.Nagar, Kovilpatti, India.

6.   S.V.Satish and Dr.V.P.Raghupathy, “Influence of Tool Geometry on
     Friction Stir Welding of Ductile and Austempered Ductile Iron” Paper
     presented at International Conference on Emerging Research and
     Advances in Mechanical Engineering - ERA March 2009.

7.   Ramesh S Sharma and Dr V.P. Raghupathy, “Development and
     characteristics of flexible and rigid polyurethane foams for sandwich
     panels”, Paper presented at International Conference on Emerging
     Research and Advances in Mechanical Engineering - ERA March 2009.

8.   S.V.Satish and Dr. V.P. Raghupathy “Wear studies on Ductile Iron and
     Austemeperred Ductile Iron Fusion and Solid state weld Joints” accepted
     to oral presentation at Recent Advances in Welding Conference on11th
     and 12th September 2009 , organised by IWS Banaglore and PESIT
     Bangalore.

9.   S.V.Satish and Dr.V.P.Raghupathy, “Friction welding of Ductile Iron and
     Austempered Ductile Iron using Interlayer Technology” submitted to
     Journal of Achievements in Matls. & Manufacturing Engineering, 2009.
10.   S.V.Satish and Dr.V.P.Raghupathy, “Fracture studies of Ductile Iron and
      Austempered Ductile Iron friction stir welded joints” Submitted to MT & M
      Journal, 2009.

11.   Ramesh S Sharma and Dr V.P. Raghupathy, “Challenges in
      Manufacturing of Composite Sandwich Panels for various Applications”,
      Journal of Manufacturing Technology & Management, Institute of Indian
      Production Engineers, Vol.2, April – June, 2008, pp 14 – 18

12.   S.V.Satish and Dr.V.P. Raghupathy, “Welding of Ductile Iron and
      Austempered Ductile Iron “,Paper presented at “Advances in Materials and
      Joining Challenges and Opportunities”      organized by Indian Welding
      society , February 2008, New Delhi, India.

13.   Ramesh S Sharma and Dr V.P. Raghupathy, “Experimental Modal
      Analysis of Sandwich Panels with Rigid inserts”, International Journal of
      Material Science. ISSN 0973-4589, Vol 2, No.3, pp 275 - 281, Jan. 2008

14.   Ramesh S Sharma and Dr V.P. Raghupathy, “A holistic approach to the
      static design of sandwich beams with foam cores”, Journal of Sandwich
      Structures and Materials, Vol. 10, Sep 2008, page 429 - 441.

15.   Ramesh S Sharma and Dr V.P. Raghupathy, “Influence of Rigid Inserts
      on Shear Modulus and Strength of Sandwich Beams with Polyurethane
      foam as Core”, Journal of Reinforced Plastics and Composites, Nov.2008,

16.   Ramesh S Sharma and Dr V.P. Raghupathy, “Experimental investigation
      of Joint efficiency in sandwich panels with Polyurethane foam core”,
      Proceedings of Symposium on Joining of Materials, (SOJOM 2008), Int.
      Conf. on welding held at Tiruchirappalli, Dec. 2008, page 245

17.   S.V.Satish and Dr.V.P.Raghupathy, “Toughness characterization of
      Ductile and Austempered Ductile Iron weld joints” Paper presented at
      International Conference SOJOM 2000-IWS, Tirchy December 2008. Int.
      Conf. on welding held at Tiruchirappalli, Dec. 2008, page 133 - 139

18.   Ramesh S Sharma and Dr V.P. Raghupathy, “Experimental investigation
      of Flexural Behavior of Sandwich Beams with a PUF Core and embedded
      rigid inserts”, Journal of Aerospace Sciences and Technologies, The
      Aeronautical Society of India., Vol. 60, No.2 May 2008

      Ramesh S Sharma and Dr V.P. Raghupathy, “Dynamic analysis of
      Sandwich structures” – accepted for Publication in Society for Automotive
19.   Engineers, Conference & Exhibition on Sandwich structures to be held in
      2007 at Detroit, USA

      S.V.Satish and Dr. V.P. Raghupathy, “Studies on Fusion Welded joints
20.
      of Austempered Ductile Iron using E7018 electrode”. Paper presented at
      ICMAC-October 2007, Trivanathapuram, Kerala, India

      Ramesh S Sharma and Dr V.P. Raghupathy, “Smart materials and their
      applications” by – accepted for publication in Journal of Institution of
21.
      Engineers (Mech. Engg. Division) 2006

      S.V.Satish, K. Narasimha Murthy, Dr. V.P. Raghupathy, “Weldabilty
      tests on Austempered Ductile Iron”, Paper presented at International
22.   Conference on “Total Engineering Analysis and Manufacturing
      Technologies (TEAM TECH 2006), IISc Bangalore.

      S.V.Satish and Dr. V.P. Raghupathy “Studies on Fusion Welded joints
      of Austempered Ductile Iron”, Paper presented at ”The 5th International
      Conference on Materials Processing for     Properties and Performance
23.
      (MP3)-December 2006 - Advanced Molding and Forming Technologies
      Symposium”- Singapore.

      K. Narasimhamurthy and Dr V.P. Raghupathy, Influence of Nickel on
      grindability studies of Austempered Ductile Iron” – Paper presented at
24.
      Velammal College of Engineering, Chennai, Feb. 3rd 2006

      S.V.Satish and Dr. V.P. Raghupathy “Studies on Fusion Welded joints
      of Austempered Ductile Iron”, Paper presented at ”The 5th International
25.   Conference on Materials Processing for Properties and Performance
      (MP3)-Dec. 2006 – Adv. Molding & Forming Tech. Symposium”- Singapore

      S.V. Satish,K. Narasimha Murthy, Dr. V.P. Raghupathy and          S.
      Seetharamu, “Characterization of Weldabilty of Austempered Ductile
26.   Iron”, Paper presented at “Emerging trends in Mechanical Engineering
      (ETIME-2006)”, held at B.M.S. College of Engineering, Bangalore

      S.V.Satish, K.Narasimhamurthy & Dr V.P.Raghupathy, “Studies on
      welded joints of Austempered Ductile Iron – a New Engineering Material”
27.   International Summit on Agility, Design and Manufacturing (ADEMSE
      2005) in Dec. 2005



      Narasimha Murthy. K. Dr. V.P. Raghupathy, Ashok Sinddhanithi -
      Research paper entitled “Effect of Heat treatment on grindability of
28.   Austempered Ductile Iron” International conference on recent advances in
      Material processing Technology, RAMPT-05, Feb – 2005.

      S.V. Satish, K. Narasimha Murthy, V.P. Raghupathy, “Welding
      Characteristics of Austempered Ductile Iron”, Paper accepted for
29.   publication at National conference on Advances In Mechanical
      Engineering, Vasavi college of Engineering. Hyderabed, 2005
      S.V.Satish, K. Narasimha Murthy, Dr. V.P. Raghupathy, S.Seetharamu,
      “Studies on Welded joints of Austempered Ductile Iron – A New
      Engineering Material”,   Paper presented at International summit on
30.
      “Agility, Design and Manufacturing- EXPO - 05” held from 10th to 13th
      December 2005, Bangalore

      S.V.Satish, K. Narasimha Murthy, Dr. V.P. Raghupathy, “Weldabilty
      tests on Austempered Ductile Iron”, Paper presented at International
31.   Conference on “Total Engineering Analysis and Manufacturing
      Technologies (TEAM TECH 2006), IISc Bangalore

      S. Manimozhi, R. Nagalakshmi and V.P. Raghupathy, Effect of hydrogen
      on Lamellar tearing, Proc. of International Welding Conference (IWC
32.
      2001) held at New Delhi

      V. Anbalagan, V.P. Raghupathy & A. Sivasubramanian “Damage
      assessment and repair welding experience of ammonia convertors”, Proc.
33.
      of Int. Symp. on Material Ageing and Life Management, Kalpakkam, pp
      1485 – 1490 (2000)
      K.P. Dhandapani, D.R.G. Achar & V.P. Raghupathy, Effect of Ti and B
34.   addition on submerged arc weldmetal properties, WRI Journal, Vol. 21,
      No. 1, pp 11-15 (2000)
      S. Manimozhi & V.P. Raghupathy, Welding of High Strength Steels, WRI
35.
      Journal, Vol. 21, No. 3, pp 24-34 (2000)
      V.P. Raghupathy, H. Dattarajan, A. Rathinam & N. Rajasekaran,
36.
      Structural Integrity Analysis, WRI Journal, Vol. 21, No. 4, pp 62 (2000)
      V.P. Raghupathy, H. Dattarajan, G. Ravichandran & S. Samidas,
      Fatigue strength of fillet welds of Bogie Frames subjected to axial and
37.
      bending fluctuating loads, Proc. of International Welding Conference (IWC
      99) held at New Delhi, pp 741-747
      K.P. Dhandapani, D.R.G. Achar & V.P. Raghupathy, Development of a
      narrow gap submerged arc welding flux bearing Ti and B for improved
38.
      weld metal toughness, Proc. of International Welding Conference (IWC
      99) held at New Delhi, pp 360-367


      S. Manimozhi, K. Narasimhan & V.P. Raghupathy, Effect of stress relief
39.   heat treatment on mechanical properties of type E347 weld deposit, , WRI
      Journal, Vol. 20, No. 2, pp 54 - 59 (1999)
      A. Raja, V.P. Raghupathy, K.S. Sreenivasamurthy & K.S. Raman,
40.   Oxygen absorption in weldmetal during flux cored arc welding of C-Mn
      steel, WRI Journal, Vol. 20, No. 1, pp 16 - 19 (1999)
      R. Veeraragavan, V.P. Raghupathy, G. Venkatraman, S. Samidas & K.S.
      Raman, Role of Restraint in cracking of steel weldments and restraint test
41.
      for bars, tubes and plates Part II – Restraint test for Bars & Tubes, WRI
      Journal, Vol. 20, No. 4, pp 117 - 123 (1999)
      S. Suresh and V.P. Raghupathy, New techniques to minimize residual
42.   stress, distortion and notches to improve service `performance of welded
      structures, WRI Journal, Vol. 20, No. 1, pp 130 - 133 (1999)
43.   V.P. Raghupathy, H. Dattarajan & S. Samidas, Fatigue life assessment
      of Power Plant Components using conventional and Fracture Mechanics
      concepts, Proc. Of Life assessment and Extension Techniques, SLAET-98,
      Organized by IIT, Delhi and R&D Centre, NTPC, Delhi, pp 96-113 (1998)
      R. Veeraragavan, V.P. Raghupathy, G. Venkatraman & R.S. Babu,
      Current weldability evaluation methods for steel and their future trends,
44.   Workshop on Steel for Engineering Industries –Trends in Weldability,
      TWS-98, Organised by Ind. Instt. of Metals, Trichy chapter and Welding
      Research Institute, BHEL, Trichy, pp 147 – 159 (1998)
      R. Veeraragavan, V.P.Raghupathy & K.S. Raman Nomogram for
45.   selection of welding conditions for a high toughness quenched and
      tempered low alloy steel, , WRI Journal, Vol. 19, No. 2, pp 41 - 46 (1999)
      V.P. Raghupathy & H. Dattarajan, Application of fatigue & fracture
46.   mechanics concepts for life assessment of early steel riveted bridges, WRI
      Journal, Vol. 19, No. 2, pp 47 - 51 (1999)
      V.P. Raghupathy, G. Venkatraman, S. Samidas & K.S. Raman, Role of
      Restraint in cracking of steel weldments and restraint test for bars, tubes
47.
      and plates Part I – Restraint test for Plates, R. Veeraragavan, WRI
      Journal, Vol. 19, No. 3, pp 77 - 86 (1999)
      G. Ravichandran, V.P. Raghupathy, N. Ganesan & R. Krishnakumar,
      Prediction of Axis shift Distortion during circumferential welding of thin
48.
      pipes using Finite Element Methods, Welding Journal No. 1, pp 39S – 53S
      (1997)
      S. Suresh, V.P. Raghupathy, P.K Nair & R. Vasudevan, Analysis of
49.   Longitudinal distortion in welding – Part I : A critical review of existing
      theories, Int. Jol. for Joining of Materials Vol. 9, No. 1, pp2l – 30 (1997)
      S. Suresh, V.P. Raghupathy, P. K Nair & R. Vasudevan, Analysis of
50.   Longitudinal distortion in welding - Part 2 : Development of new theory,
      Int. Jol. for Joining of Mat. Vol. 9, No.1, PP21 - 30 (1997)
      M. Sireesha, V.P. Raghupathy & V Krishnamurthy Correlation between
      ultrasonic attenuation and Microstructures of Heat treated 2.25 Cr-1Mo
51.   steels, Proc. of Int. Conf on recent advances in Metallurgical processes,
      Published by New Age International Publishers, New Delhi, pp. 1369 -
      1373 (1997)
      M Sireesha, V.P. Raghupathy, V Krishnamurthy, G. Venkatraman, & P.
      Palanichami Non-Destructive characterization of creep damage in High
52.   temperature Boiler Pressure Parts in service, , Proc. of Int. Conf on recent
      advances in Metallurgical processes, Published by New 4ge International
      Publishers, New Delhi, pp. 1387 -1392 (1997)
      A. Raja, V.P. Raghupathy, K.S. Sreenivasamurthy & K.S. Raman, The
53.   fusion characteristics of root pass welds deposited in V-grooves by FCAW
      process, WRI Journal, Vol. 18, No. 2, pp 52 - 56 (1997)
      G. Ravichandran, V.P. Raghupathy & N. Ganesan, Computer Analysis of
      Temperature distribution during circumferential welding of cylindrical and
54.
      spherical components using the finite element method, & Structures, Vol.
      59, No. 2, pp 225-255 (1996)
      G. Ravichandran, V.P. Raghupathy, N. Ganesan & R. Krishnakumar
      Analysis of Transient Longitudinal Distortion in fillet welded T-Beam using
55.
      FEM with degenerated Shell Element, Int. J. for Joining of Materials Vol. 8,
      No. 4,pp]69-179 (1996)
      V.P. Raghupathy & H. Dattarajan, Elasto-Plastic Fracture Mechanics
56.
      analysis of Line pipes failed during Hydro-Test, Proc. of the Sixth National
      Seminar on aero space structures, Allied Publishers, pp 203-209 (1996)
      KP. Dhandapani, V.P. Raghupathy & D. R G. Achar. Effect of Ferro alloy
57.   additions in agglomerated flux on the Submerged Arc Weld metal
      properties, Proc. of National Welding Seminar, pp A 034-1 to 7 (1996)
      S. Suresh, V.P. Raghupathy, PK Nair & R. Vasudevan Computer aided
58.   analysis and control of distortion in welded steel structures, Proc. of
      National Welding Seminar, pp A 032-1 to 10 (1996)
      A. Raja, V.P. Raghupathy, K.S. Srinivasamurthy & K S. Raman,
59.   Correlation between CTOD, CVN and Nil Ductility Transition Temperature
      in FCAW weld metal, Proc. of National Welding Seminar, pp A 29 (1996)
      V.P. Raghupathy and V Krishnamurthy, Structural Integrity analysis of
60.   welds of Petroleum Tanks, H. Dattarajan, Symposium on Joining of
      Materials, SOJOM-96, pp. H 003 – H 010 (1996)
      R. Veeraragavan, V.P. Raghupathy, T.R. Ramesh, R.S. Babu, V
      Gopukumar & S. Vijayakumar Nair, Assessment of Structural Integrity of
61.   a serviced Horten sphere used for storage of liquefied petroleum gas and
      recommendations for its safe working, Symposium on Joining of Materials,
      SOJOM-96, pp C073 - C080 (1996)
      S. Suresh, V.P. Raghupathy, R.S. Babu, P.K. Nair, R. Vasudevan and P.
      Solaimuthu Development of an improved thermo-mechanical model
62.
      predict longitudinal distortion in welded structures, , WRI Journal, Vol. 17,
      No. 3, pp 77- 84 (1996)
      A. Raja, D. Hariharan, K.L. Rohira and V.P. Raghupathy, Impact wear
63.   and metallurgical characteristics of Self shielded Flux Cored hardfacing
      deposits, WRI Journal, Vol. 17, No. 3, pp 85- 88 (1996)
      V.P. Raghupathy, Condition Assessment & Integrity analysis of
      dynamically loaded structures, Current trends in Life estimation of
64.
      Structures (LIFE 96), Seminar organised by Ind. Instt. of Metals at Trichy,
      pp F1-17 (1996)
      G. Ravichandran, V.P. Raghupathy, N. Ganesan & R. Krishnakumar,
      Prediction of Temperature Distribution during circumferential welding of
65.
      thin pipes using Finite Element Methods, Int. Jol. for Joining of Materials
      Vol. 7, No. 1, pp 34-44 (1995)
      R. Veeraragavan, V.P. Raghupathy, R.S. Babu & K.S. Raman,Correlation
      between diffusible hydrogen values determined by IIW Mercury method
66.
      and Gas chromatographic method, pipes using Finite Element Methods,
      WRI Journal, Vol. 16, No. 4, pp 109 - 113 (1999)
      A. Raja, V.P. Raghupathy, K.S. Srinivasmurthy, K.S. Raman Effect of
67.   Welding parameters on anodic and ohmic heating and anode voltage in
      FCAW and GMAW Processes, , IIW Doc.212-854 (1994)
      S. Suresh, V.P. Raghupathy & R. Vasudevan,Analysis of longitudinal
68.   distortion in construction materials welded under different conditions,
      National Welding Seminar, Organised by Ind. Instt. of Welding (1993
      V Krishnamurthy, M. Jayaraman, V.P. Raghupathy, G. Venkatraman &
      C.V.S.K Prasad, Surveillance of a Fertilizer based Quench Vessel by
69.
      ultrasonic testing technique, Proc. of Non-destructive evaluation and
      Quality assurance, Interline Publishers, Bangalore, pp 435 (1992)
      H. Dattarajan & V.P. Raghupathy, Toughness evaluation of welded
70.
      joints, WRI Journal, Vol. 11, No. 2 pp 36 (1992)
      H. Dattarajan & V.P. Raghupathy, Concepts and significance of
71.
      Toughness in weld joints, WRI Journal, Vol. 12, No. I pp I (1992)
      R. Veeraragavan, V.P. Raghupathy & K.S. Raman, Correlation of
72.   Implant Fracture stress with critical cracking stress in ERC Test for
      indigenous high strength steels, WRI Journal, Vol. 13, No. 3 pp 78, „92
      H. Dattarajan & V.P. Raghupathy, Investigations on Fatigue failure of
73.   Ball Mill, Proc. of Int. Symp. on Fatigue and Fracture in steel and concrete
      structures, Vol. 2, ISBN 81-204-0667-2, pp 11 65 (1991)
      H. Dattarajan & V.P. Raghupathy Fatigue life improvement technique on
      fillet joints welded with FCAW process, Proc. of Symp. on Joining of
74.
      Material for 2000 AD, organized by lnd. Instt. of Welding, Tiruchirappalli,
      pp487(1991)
      R.J Pardikar, G. Balakrishna & V.P. Raghupathy, Generation of
      embedded cracks in weldments and sizing by ultra-sonic evaluation using
75.
      microprocessor based system, Proc. of 10th Int. Conf. on NDE in Nuclear
      and pressure vessel industry, Glasgow, England (1990)
      V.P. Raghupathy, T K Mitra & V.G. Jagannath, Weldability aspects of
76.
      Aero space materials, WRI Journal Vol. 11, No. 1 pp 2-7 (1990)
      R.Veeraragavan,        V.P.Raghupathy      &    M.N.    Chandrasekharaiah,
77.   Weldability evaluation of structural steel - a new perspective, WRI
      Keywords, Vol. 10, No.3 pp 46-53 (1989)
      G. Balakrishna & V.P. Raghupathy, Life estimation procedure of
78.   structures subjected to variable amplitude loading, WRI Keywords Vol.
      10, No.1 pp 14-18 (1989)
      B. Pullat & V.P. Raghupathy, Thermal cycle simulation of ferritic SG iron
79.
      – at 880-500C approach in welding, WRI Jol. Vol. 9,No.3, pp29 (1988)


      V.P. Raghupathy, G. Balakrishna, R Nageswara Rao and J.D.
      Subramaniam, Development of surface cracks and their growth
80.
      characteristics in maraging steel weldment, Proc. of Asian Pacific Regional
      Conf, Pub by Australian Welding Instt., pp 2O7 (1988)
      V.P. Raghupathy, P. Ravivishnu, V Thyagarajan & J.M. Gosh Influence of
81.   segregation in thick plates on fabrication practices,, Proc. of Int. Conf. on
      Welding, Ind. Instt. of Welding, New Delhi, pp 201 (1987)
      V.P.Raghupathy & K G. K Murti, Some metallurgical problems in welding
82.
      and their solutions, WRI Jol. Vol. 5, No. 6, pp 3 7 (1984)
      V.P.     Raghupathy,       V   Srinivasan,    H.    Krishnan     and    M.N.
      Chandrasekharaiah, The effect of sulphide inclusions on Fracture
83.
      'toughness and fatigue crack growth in 12 Cr steel, Jol. of Material
      Science, Vol. 17, pp 2112 (1982)
      V.P. Raghupathy & R. Vasudevan, A correlation between sulphide
84.   inclusion level and fracture toughness of12 Cr steel, Material Prüfüng pp
      243 (1982)
      V.P. Raghupathy Some aspects of steels demand for Power generation
85.   equipments, Proc. of Iron and Steel Industry and its future by 2000 A.D,
      Organised by Institution of Engineers, Hyderabad, p55 (1982)
      V.P. Raghupathy & S. Arunagiri Influence of Machining parameters on
86.   surface hardness characteristics of Inconel cladded steel, 35th ATM of Ind.
      Instt. of Metals at Jaipur (1981)
      V.P.Raghupathy & V Srinivasan, Determination of volume fraction of
87.
      sulphide inclusions, Metallography, Vol. 14, pp87 (1981)
88.   V.P. Raghupathy, V Srinivasan & R. Krishnan, Fractographic features in
      12 Cr steel, Proc. of Int. Conf. on Fracture Mechanics in Engg.
      Applications, Sijthoff Noordoff Publishers, Netherlands, pp 54 7 (19 79)
      V.P. Raghupathy & V Srinivasan A secant compliance method for
      calculating Plane Strain Fracture Toughness in medium strength steels, ,
89.
      Proc. of Int. Conf. on Fracture Mechanics in Engg. Applications, Sijthoff
      Noordoff Publishers, Netherlands, pp 53 7 (1979)
      V.P. Raghupathy & V Srinivasan Slow cracking in commercially pure
90.
      aluminium, 30th ATM of Ind Instt. of Metals (I976)
      V.P. Raghupathy & R. Vasudevan Investigation on Fatigue Hardening
91.   and softening of Austenitic Stainless steel at room temperature, Proc. of
      Int. Symp. on Industrial Metallurgy Organized by IlSc, Bangalore (1972)

				
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