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Faculty Member Details

Staff Id : 03729
Name : Dr. R. VARAHAMOORTHI
Designation : PROFESSOR
Department : MANUFACTURING ENGG.
Qualification : B.E.,M.E.,Ph.D.,
Specialization : PATENT ON METALLURGY (FIRST IN DEPT.) -SURFACE ENGINEERING/MATERIALS JOINING/ENGINEERING MATERIALS/RELIABILITY
Date of Birth : 13-05-1968
Date of Joining : 24-03-1998

Present Address Contact Number E-Mail Address
480/1, Chidambaram main road,
Keerapalayam(p.o)
Pin-608602		9443986724drvarahamoorthi@gmail.com

Research Guidance
Discipline Awarded Guidance
M.Phil./M.E./M.Sc. 7-
Ph.D. 36


Conference /Seminar / Symposia / Workshop
Conference Seminar Symposia Workshop
National International
Attended 96237
Conducted 31---


Research Projects
Major Projects Minor Projects Total Amount (Rs.)
Completed ---
Ongoing ---

Teaching and Research Experience Industry Experience
26 Years4 Years

Journals Conference Books Published Popular Article
National International National International
2 23 11 8 - -

List of Publications - National
Varahamoorthi, R., Vijayanand, M., Kumaradhas, P., "Artificial neural network modelling for average surface roughness in citrate stabilised electroless nickel boron coatings,.", Materials Today Proceedings., Volume 49, Number 5, Oct 2021, pp. 2239-2244. doi.org/10.1016/j.matpr.2021.09.335.
DR.R. VARAHAMOORTHI, "SURFACE CRACK IDENTIFICATION USING COMPUTER AIDED DETECTION SYSTEM EMPOLYING IMAGE PROCESSING TECHNIQUE.", PATENT, Volume GOVERNMENT OF INDIA, Number 39 0F 1970, May 2019, pp. 1-12. 27/05/2019.
List of Publications - International
Varahamoorthi. R., Vijayanand, M., Kumaradhas, P., & Sivamani, S., "Modelling and Optimization of Amphoteric Surfactant Concentration in Electroless Nickel Boron Coatings for Maximum Microhardness.", Key Engineering Materials-Trans Tech Publications Ltd, Switzerland, Volume 943, Number ISSN: 1662-9795, Mar 2023, pp. 19-30. 614042132-22/03/23,02:31:44.
Varahamoorthi. R.,Vijayanand. M., Kumaradhas, P., & Jayabal, S, "Process Modelling and Intuitive Search Based Optimization of Average Surface Roughness in Citrate Stabilized Electroless Nickel-Boron Coatings..", The Journal of The Minerals, Metals & Materials Society- Springer., Volume 74, Number 4, Jan 2022, pp. 563-573. doi.org/10.1007/s11837-021-05072-4.
Vijayanand, M., Varahamoorthi, R., Kumaradhas, P., & Sivamani, S., "Modelling and optimisation of hardness in citrate stabilised electroless nickel boron (ENi-B) coatings using back propagation neural network – Box Behnken design and simulated annealing – genetic algorithm.", Transactions of the IMF - Taylors & Francis, Volume VOL. 99,, Number 5, Mar 2021, pp. 253-264. doi:10.1080/00202967.2021.1898.
Vijayanand, M., Varahamoorthi, R., Kumaradhas, P., Sivamani, S., & Kulkarni, M., "Regression-BPNN modelling of surfactant concentration effects in electroless Ni B coating and optimization using genetic algorithm.", Surface and Coatings Technology, , Volume 409, Number 126878, Jan 2021, pp. 1-11. doi:10.1016/j.surfcoat.2021.12.
R.Varahamoorthi And K.J.Sabareesaan, "Response Surface Methodology For Optimizing EDM Process Parameters In Machining Of Inconel X750 Using Copper Electrode.", International Journal of Applied Engineering Research, Volume 10, Number ISSN 0973-4562, Feb 2015, pp. 5151-5163. 2015.
R.Varahamoorthi And K.J.Sabareesaan, "An Image Processing Approach for Detection of Surface Cracks in EDM Machined Aerospace Super Alloy â,“ Inconel X750.", European Journal of Advances in Engineering and Technology, Volume Vol.2(9) , Number ISSN:2394-658X, Sep 2015, pp. 39-44. 2015.
R.Varahamoorthi And K.J.Sabareesaan, "MRR Prediction Model for Electrical Discharge Machining of INCONEL X750 by Response Surface Methodology Using MINITAB Software.", European Journal of Advances in Engineering and Technology, Volume Vol.1(1), Number 1, Jan 2014, pp. 1-6. 2014.
DR.R.Varahamoorthi, K.J.Sabareesan. , "Analysis of effect of process parameters in electrical discharge machining of Inconel X750 using brass electrode .", International Journal of Engineering Research & Technology , Volume Volume 3, Number Issue 9, Sep 2014, pp. 1180-1184. Sep-14 .
Dr. Varahamoorthy R,Saravanan P Sivam , "Effects of electrical parameters, its interaction and tool geometry in EDM of titanium grade 5 alloy with graphite tool. .", Journal of Engineering Manufacture , Volume Volume 1 , Number Number 10 , Nov 2012, pp. 1-13. Nov-12 .
R.Varahamoorthi and V.Balasubramanian , "Erosive abrasive wear behaviour of stainless steel surface produced by plasma transferred arc hardfacing .", International Heat Treatment & Surface Engineering , Volume Volume 4 , Number Number 3 , Sep 2010, pp. 124-134. Sep-10 .
R.Varahamoorthi and V.Balasubramanian , "Dry sliding wear behaviour of plasma transferred arc hardfaced colmonoy surface, .", Surface Engineering , Volume Volume 25 , Number Number 6 , Aug 2009, pp. 440-449. Aug-09 .
R.Varahamoorthi and V.Balasubramanian , "Effect of slurry concentration, abrasive particle size and velocity on wear behaviour of nickel based (Colmonoy) plasma transferred arc hardfaced surface .", Surface Engineering , Volume Volume 25 , Number Number 6 , Aug 2009, pp. 449-457. Aug-09 .
C.S. Ramachandran, V. Balasubramanian and R. Varahamoorthy. , "Comparative evaluation of dry sliding wear behaviour of plasma transferred arc hardfaced surfaces by the pin-on-roller method .", Proceedings of the Institution of Mechanical Engineers, Part J: Int. Journal of Engineering Tribology, , Volume Volume 224, Number Issue 1 , Apr 2009, pp. 91-106. Apr-09 .
C.S. Ramachandran, V. Balasubramanian and R. Varahamoorthy. , "Comparative evaluation of the abrasive slurry wear behavior of alloy surfaces produced by a plasma transferred arc hardfacing process .", Metals and Materials International, , Volume Volume 16 , Number Issue 2, Dec 2009, pp. 235-246. Dec-09 .
R Varahamoorthi,CS Ramachandran, V Balasubràmanian , "Evaluation of Dry Sliding Wear Behaviour of Plasma Transferred Arc Hardfaced Stainless Steel .", Original Research Article Journal of Iron and Steel Research , Volume Volume 16 , Number Issue 4 , Jul 2009, pp. 49-54. Jul-09 .
R Varahamoorthi,V Balasubramanian, AK Lakshminarayanan, S Babu , "Application of Response Surface Methodolody to Prediction of Dilution in Plasma Transferred Arc Hardfacing of Stainless Steel on Carbon Steel .", Journal of Iron and Steel Research , Volume Volume 16 , Number Issue 1 , Jan 2009, pp. 44-53. Jan-09 .
R.Varahamoorthi and V.Balasubramanian , "Effect of experimental parameters on erosive abrasive wear behaviour of cobalt based (stellite) plasma transferred arc hardfaced surface .", Surface Engineering , Volume Volume 25 , Number Number 6 , Aug 2009, pp. 458-469. Aug-09 .
A.K.Lakshminarayanan V.Balasubramanian, R.Varahamoorthy and S.Babu. , "Predicting the dilution of plasma transferred arc hardfacing of stainless steel on carbon steel using response surface methodology, .", Metals and Materials International , Volume Volume 14, Number Number 6 , Dec 2008, pp. 779-789. Dec-08 .
R.Varahamoorthi and V.Balasubramanian , "Selection of welding processes for hardfacing on carbon steels based on quantitative and qualitative factors .", International journal of advanced manufacturing technology , Volume Volume 40 , Number Number 9 , Feb 2008, pp. 887-897. Feb-08 .
R.Varahamoorthi and V.Balasubramanian , "Effect of abrasive slurry parameters on wear behaviour of cobaltbased stellite Plasma Transferred Arc hardfaced surface .", International Journal of Surface Science and Engineering , Volume Volume 2 , Number Number 6 , Dec 2008, pp. 502-519. Dec-08 .
R.Varahamoorthi and V.Balasubramanian , "Understanding the Parameters Controlling Plasma Transferred Arc Hardfacing Using Response Surface Methodology .", Materials and Manufacturing Processes , Volume Volume 23 , Number Number 7 , Jun 2008, pp. 674-682. Jan-08 .
R.Varahamoorthi and V.Balasubramanian , "Abrasive slurry wear behavior of stainless steel surface produced by plasma transferred arc hardfacing process .", Surface Coatings and Technology , Volume Volume 202 , Number Issue 16 , Jan 2008, pp. 3912-3912. Jan-08 .
R.Varahamoorthi and V.Balasubramanian , "Effect of speed, load and hardness of rollers on dry sliding wear behaviour of PTA hardfaced Stellite surface .", International Heat Treatment & Surface Engineering , Volume Volume 1, Number Number 4 , Dec 2007, pp. 156-163. Dec-07 .
List of Conferences - National
R.Varahamoorthi And A.Umesh Bala, Evaluating the Mechanical properties of cobalt based (Stellite 6) laser hardfaced surfaces produced on AISI 304 stainless steel, Materials Characterization and Manufacturing (MCM-2016), Aug 18-19, 2016, GOA UNIVERSITY, GOA, pp. 27-27. GOA, MCM-2016.
R.Varahamoorthi And S.Vimalraj, Studies on Mechanical properties of Nickel based (colmonoy-5) laser hardfaced surfaces produced on 316L stainless steel, Materials Characterization and Manufacturing (MCM-2016), Aug 18-19, 2016, GOA UNIVERSITY, GOA, pp. 28-28. GOA, MCM-2016.
R.Varahamoorthi And M.Mahalingam, Effect of Wire Electric Discharge Machining process parameters on Hardness and Surface Roughness of Monel 400, Materials Characterization and Manufacturing (MCM-2016), Aug 18-19, 2016, GOA UNIVERSITY, GOA, pp. 24-24. GOA, MCM-2016.
R.Varahamoorthi And K.J.Sabareesaan, Analysis of mechanical properties and image processing classification of Inconel X750 machined surface, Materials Characterization and Manufacturing (MCM-2016), Aug 18-19, 2016, GOA UNIVERSITY, GOA, pp. 27-28. GOA, MCM-2016.
R.Varahamoorthi and V.Balasubramanian , Comparative Studies on hardfaced surfaces based on their diulution , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007”. , Mar 15-16, 2007, Manufacturing Engg. Dept., Annamalai Universit , pp. 17-23. Manufacturing Engg. Dept., Annamalai Universit , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007”. .
R.Varahamoorthi and K. Krishnan , Modeling on wear behaviour of hardfaced surfaces using FEM , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007" , Mar 15-16, 2007, Manufacturing Engg. Dept., Annamalai University , pp. 38-43. Manufacturing Engg. Dept., Annamalai University , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007" .
R.Varahamoorthi and R. Elango , Modeling on Oxidation behaviour of hardfaced surfaces using SMAW , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007” , Mar 15-16, 2007, Manufacturing Engg. Dept., Annamalai University , pp. 47-52. Manufacturing Engg. Dept., Annamalai University , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007” .
R.Varahamoorthi et al., , Modeling on PTA hardfaced surfaces using Neural Net work , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007”, , Mar 15-16, 2007, Manufacturing Engg. Dept., Annamalai University , pp. 55-61. Manufacturing Engg. Dept., Annamalai University , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007”, .
R.Varahamoorthi et al., , Modeling on PTA hardfaced surfaces using Neural Net work , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007”, , Mar 15-16, 2007, Manufacturing Engg. Dept., Annamalai University , pp. 55-61. Manufacturing Engg. Dept., Annamalai University , National Conference on “Recent Advancements in Surface Engineering-RAISE’2007”, .
R.Varahamoorthi and V.Balasubramanian , Effect of cryogenic treatment on slurry abrasive wear behavior , National Welding Seminar , Jan 23-25, 2003, The Indian Institute of Welding, Kolkata Branch , pp. 31-40. The Indian Institute of Welding, Kolkata Branch , NWS.
R.Varahamoorthi and V.Balasubramanian , Influences of cryogenic treatment on wear behaviour of steel based iron carbide hardfaces , NSRS-4, , Sep 27-28, 2002, IIT Madras, Chennai , pp. 45-49. IIT Madras, Chennai , NSRS-4,.
List of Conferences - International
Vijayanand, M.,Varahamoorthi, R., Kumaradhas, P., Optimization of Process Parameters Using Central Composite Design and Taguchi Method to Improve Hardness in ENi-B Coatings: A Comparative Approach, International Conference on Materials Research in Science and Engineering, Nov 29-0, 2022, online, pp. 1-7. AIP Conf. Proc. 2446, 170003-1–170003-7;, AIP Publishing. https://doi.org/10.1063/5.0108879.
A.Umesh Bala , R.Varahamoorthi and Vimalraj, Modeling for Nd: YAG- Laser Surfaced Bead Parameters on AISI 304 Stainless Steel, Indian Institute of Metals NMD ATM 2015, Nov 13-16, 2015, Le-Meridien, Coimbatore , pp. 43-43. PSG, Coimbatore, IIM, R&D Centre & PSG Coimbatore .
R.Varahamoorthi And K.J.Sabareesaan, Surface Roughness Prediction Model for Electrical Discharge Machined Aero Space Super Alloy Material by Response Surface Methodology , Indian Institute of Metals NMD ATM 2015, Nov 13-16, 2015, Le-Meridien, Coimbatore , pp. 65-66. PSG, Coimbatore, IIM, R&D Centre & PSG Coimbatore .
R.Varahamoorthi And K.J.Sabareesaan, Evaluation of Process parameter ranks in Electric Discharge Machining of Aerospace super alloy using copper Electrode, International Conference on Current Trends in Engineering and Technology, ICCTET'14, Jul 8-10, 2014, IEEE Conference , ICCTET'14, Coimbatore, pp. 556-560. COIMBATORE, IEEE 2014, IEEE CONFERENCE NO.33344.
Dr. Varahamoorthi R,Saravanan P Sivam , Influence Ranking of Process Parameters in Electric Discharge Machining of Titanium Grade 5 Alloy Using Copper Electrode , ICRDT, Nagapattinam , Mar 6-9, 2013, EGS Pillay Engineering College Nagapattinam , pp. 97-104. Nagapattinam , ICRDT,.
R. Varahamoorthi, V. Balasubramanian, A. Abdul Razak and E. Gavaskar , Evaluation of slurry abrasive wear behaviour of Plasma Transferred Arc (PTA) cobalt base hardfaced surfaces , IWS2K5 , Hyderabad , Feb 13-15, 2005, IWS2K5 , Hyderabad , pp. 17-23. Hyderabad , IWS2K5 , Hyderabad .
R.Varahamoorthi and V.Balasubramanian , Modeling of plasma transferred arc (PTA) hardfaced surface parameters , SOJOM –2004, Trichy , Jul 22-23, 2004, Trichy , pp. 1-5. Trichy , SOJOM .
R.Varahamoorthi and V.Balasubramanian , Evaluation of erosive wear behaviour of steel based niobium carbide and iron carbide hardfaced surfaces , IWS-2003 , Feb 14-16, 2003, Hi-Tec City, Hyderabad , pp. 273-281. Hyderabad, IWS.

List of Awards /Honours / Memberships
Member Academic Council, Annamalai University from April 2006 to July 2013 - April 2006 to July 2013
Life member of Indian Welding Society - No.L00114