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  • 9:51 PM, Monday, 20 Sep 2021

Department of Aerospace Engineering
     
Chakravarthy P., Ph.D.
Associate Professor
 
Office
Tel:+91-471-2568428
Fax:
Email:chakravarthy@iist.ac.in













Education
  • Ph.D. Metallurgical and Materials Engineering.
  • M.Tech. Materials Science.
  • B.E. Production Engineering.

Course Offered

Manufacturing Technology

Aerospace Materials and Processes

Fundamentals of Materials Science


Experience
  • Assistant Manager – Research and Development, Sundram Fasteners Ltd, Chennai-600050 (October 2008 to February 2010)
  • Assistant Professor – Aerospace Engineering, Indian Institute of Space Science and Technology (Since February 2010)

Research Work / Area
  • Materials Forming, Powder Metallurgy, Aerospace Materials, Metal joining, Heat treatment
  • Consecutively Awarded “Academic Proficiency Prize” for the year 2002-2003 and 2003-2004 in National Institute of Technology, Tiruchirappalli.
  • Best oral presentation award for the technical paper “Formability limit diagrams of sintered P/M preforms of steel” presented in 2nd International symposium for research scholars on Metallurgy, Materials Science and Engineering held at IIT Madras.
  • Best paper award for 'Advanced manufacturing processes for Aerospace Ablative composites' in National aerospace manufacturing seminar 2015.
  • Best paper award for 'Development, characterisation and qualification of Aerospace Ablative Composites' in National Conference on Emerging Trends in Engineering and Technology, 2016
  • Best oral presentation award for 'Effect of fibre orientation on the properties and functional performance of ablative materials for solid rocket motors', in the International conference on emerging trends in materials and manufacturing engineering, organised by NIT Tiruchirappalli
  • Best paper award for the paper titled Comparison of prediction models for the hot deformation behaviour of cast Mg-Zn-Y alloy' in the second international conference on recent trends in Metallurgy, Materials science and Manufacturing organised by National Institute of technology Tiruchirappalli, Dec 27-28, 2019.
Books
  1. Shape Memory Materials, CRC Press, 2018
  2. Flux Bounded Tungsten Inert Gas Welding Process- An Introduction, CRC press, 2019
Refereed Journals
  1. Koppula Venkateswara Reddy, Ramavath Bheekya Naik, Gankidi Madhusudhan Reddy, Chakravarthy Pammi, and Raju Arockia Kumar, "Damping Property of AA6061/SiCp Surface Composites Developed through Friction Stir Processing ", Journal of materials engineering and performance, https://doi.org/10.1007/s11665-021-06201-5, 2021.
  2. Pravin Kumar, P. Chakravarthy, Sushant K. Manwatkar, and S.V.S. Narayana Murty, ''Effect of Scan Speed and Laser Power on the Nature of Defects, Microstructures and Microhardness of 3D-Printed Inconel 718 Alloy'', Journal of materials engineering and performance, https://doi.org/10.1007/s11665-021-06163-8, 2021
  3. Pravin kumar, V. S. K. Chakravadhhanula, Sushant K. Manwatkar, P. Chakravarthy, S. V. S. Narayana Murty "Establishing the Qualitative Relationship Between Process Parameters : Microstructure, Phases and Defects in SLM‑PBF Manufactured and Heat Treated Inconel 718 Alloy", Transactions of the Indian National Academy of Engineering, https://doi.org/10.1007/s41403-021-00256-5, 2021.
  4. K Venkateswara Reddy, R Bheekya Naik, G Madhusudhan Reddy, P Chakravarthy, S Janakiram, R Arockia Kumar, "Damping capacity of aluminium surface layers developed through friction stir processing", Materials Letters, 298, 2021, 130031, https://doi.org/10.1016/j.matlet.2021.130031
  5. P Neelima, M Agilan, K Saravanan, P Chakravarthy, SVS Narayana Murty, D Sivakumar, Bhanu Pant, "Optimisation of Flux and Weld Parameters During Flux Bounded Tungsten Inert Gas Welding (FBTIG) of Nickel Based Superalloy Inconel 600", Transactions of the Indian National Academy of Engineering, (2021) 6:123–131
  6. N Neethu, Chakravarthy P, "Development of processing maps for hot deformation : Algorithm and common errors" Metallurgical and materials transactions A, 51A, (2020), 3398-3402.
  7. N Neethu, Nahil Ahmed Hassan, Ravi Ranjan kumar, Chakravarthy P, Srinivasan A, MUhammed Rijas A, " Comparison of prediction models for the hot deformatoin behaviour of cast Mg-Zn-Y alloy", Transactions of the Indian Institute of Metals, 73,(2020), pp1619–1628
  8. Arun DI, Chakravarthy. P et al, "Synergy studies on polyurethene-carbon black multi walled carbon nanotube based heterogeneous electrp active shape memory nanocomposite system", Bulletin of Materials science, 43:219, (2020), 1-9
  9. VS Sooraj, Chakravarthy P, Danish H and Mohan kumar L, "Investigations on the machining characteristics of silica phenolic ablative tiles bonded to a metal substrate", Materials performance and characterization, 9(1), (2020), 59-71
  10. P.Neelima, S.V.S Narayana Murty and P.Chakravarthy,  "Comparison of prediction capabilities of flow stress by various constitutive equation models for hot deformation of aluminium metal matrix composites", Materials performance and characterization, 9(2), (2019), 237-261
  11. Rajiv Panda, R.K Gupta, Animesh Mandal and P. Chakravarthy, "Hot deformation behaviour of AA2024 with and without in-situ titanium diboride dispersoids" Materials performance and characterization,9(2), (2019), 188-201.
  12. Arun DI, P Chakravarthy, K S Santhosh Kumar and B Santhosh, "Comparative study on electro-active shape memory nanocomposites of polyurethanecarbon black/multiwalled carbon nanotubes", AIP Conference Proceedings 2162, 020170, 2019.
  13. Arun DI, Arun kumar, Chakravarthy P, B.S Girish, K.S Santhosh kumar and Santhosh B, "Structural -modeling and experimental validation of percolation threshold for nanotube polyurethene shape memory system', Materials science and Technology, accepted for publication, 35(16) 2019, 2024-2037
  14. Arun DI, Santhosh Sankar, Satheesh kumar, Chakravarthy P, Santhosh B, Dona Mathew, 'High Tg Polyurethene-Carbon Black based Electro-active SMP nanocomposite system for aerospace applications', Materials science and Technology, 35(5), 2019, pp596-605
  15. Arun DI, Chakravarthy P, BS Girish, shankar Santhosh, Santhosh B, 'Experimental and Montecarlo simulation studies on percolation behaviour of shape memory polyurethene carbon black nanocomposite' Smart materials and structures, 28(5), 2019.
  16. N.Neethu, Rahul Goud, P.Neelima, P.Chakravarthy, S.V.S Narayana Murty and Manoj T Nair, 'Effect of nature of lux gap on the Depth to width ratio in Flux bounded TIG welding of AA6061: Experiments and NUmerical Simulations', Transactions of the Indian Institute of Metals, 72(6), 2019, pp 1585-1588
  17. L Mohan Kumar, EN Anandapadmanabhan, P Chakravarthy, ' Investigative studies on the critical prepreg variables influencing the functional performance of ablative composites for extreme environmnets in launch vehicles and re-entry missions' Materials Research Express, 6(8), 2019.
  18. Jayakrishnan S, Chakravarthy P,  Muhammed Rijas A, 'Effect of Flux Gap and Particle Size on the Depth of Penetration in FBTIG Welding of Aluminium', Transactions of the Indian Institute of Metals 70(5) (2017), pp 1329-1335
  19. Gautam Revankar, Chakravarthy P, Arockiakumar R, 'Influence of Cold Work on the Microstructural Evolution and Hardness during Aging of AA6061 Alloy', Transactions of the Indian Institute of Metals,70(3), (2017), pp 623-630
  20. Mohan Kumar.L, Usha.K.M, Anandapadmanabhan. E.N, and Chakravarthy.P, 'Effect of fibre orientation on the properties and functional performance of ablative materials for solid rocket motors', Transactions of the Indian Institute of Metals, 70(9), (2017), pp 2407-2413
  21. Jayakrishnan S, Chakravarthy P, 'Flux bounded tungsten inert gas welding for enhanced weld performance - A review', Journal of manufacturing processes (2017), 28(1) 116-130
  22. Hariram M, Deep Theerath, Chakravarthy P, Arockia kumar R, 'Influence of cold work on aging response of C17200', Material Today : Proceedings 4(2017) 11188-11193
  23. Sudhanshu Chand, Koushik Jalali, George oommen c, Chakravarthy P, Murugesan N, Arun Prakash NV, ‘Effect of process parameters on anodization of AA7075’, Materials Science Forum, Vol. 830-831 (2015) pp 643-646
  24.  Mohan Kumar.L, Usha.K.M, Anandapadmanabhan. E.N, and Chakravarthy.P, ‘Development of a novel ablative composite tape layup technology for solid rocket motor nozzle and liquid engine liners’, Materials Science Forum, 830-831 (2015) pp 417-420
  25. Joby V. Thomas, K. Thomas Tharian, Anoop C. R. Chakravarthy P ‘Influence of filler wire material on dissimilar welding of 15-5PH to KC20WN’, Materials Science Forum, 830-831 (2015) pp 298-301
  26.  S. Alisha, T. Venkateswaran, M. Amruth, P. Chakravarthy, D. Sivakumar, ‘Effect of Heat Treatment on the Mechanical Properties of Copper-Beryllium Alloy (C17200)’, Materials Science forum, Vols. 830-831 (2015) pp168-171
  27.  K.S. Arpan, M. Niladri, T. Venkateswaran, P. Chakravarthy, G. Singh, D. Sivakumar, 'Prediction of Temperature Profile in the HAZ of Maraging Steel GTAW Weldments', Materials Science Forum, Vols. 830-831 (2015) pp290-293
  28. M sai Krupa, N.Dileep Kumar, R.Suresh Kumar, P.Chakravarthy and Karodi Venkateshwarulu “Effect of Zirconium Diboride Addition on the Properties of Silicon Carbide Composites” Ceramics International, 39(8), (2013) 9567-9574.
  29. M. Gokul Ananth, B.Sathish Babu, P.Chakravarthy, K.Jayakumar, “Experimental Investigations on Electron Beam Welding of Austenetic/Ferritic Stainless Steel for Space Applications“ International Journal of Research in Mechanical Engineering and Technology, 3(2013) 45-50
  30. K.Jayakumar, Jose Mathew, M.A Joseph, R.Suresh Kumar, P.Chakravarthy “Processing and end milling behavioural study of A356-Sic Composite” Materials Science Forum, 710 (2012) 338-343
  31. P. Chakravarthy, Uday chakkingal and P. Venugopal “Influence of Temperature on the Forming Limit Diagrams of Sintered P/M Preforms of Steel” Mat. Sci. and Engg-A . 485(2008) 395-402.
  32. P. Chakravarthy, Uday chakkingal and P. Venugopal “Deformation and Temperature aided Sintering during hooker extrusion of Sintered PM Preforms of Steels” Powder Metallurgy, 54(2011) 193-201
  33. P.Chakravarthy, Uday Chakkingal and P.Venugopal “Use of Ring Compression Test and Plastic Poisson’s Ratio in Extruding Sintered Powder Metallurgocal Preforms” Powder Metallurgy, 2010, DOI : 10.1179/1743290110Y.00000000112010.
Digital Library
  1. ManjuBhargavi, P.Chakravarthy, P.Venugopal, D.R.G.Achar, “Influence of rubbing profiles on friction welding of prestrained Aluminum to Copper” IEEE Computer Society Digital Library doi.ieeecomputersociety.org/10.1109/ICETET.2009.130, page 510-514
International Conferences
  1. Arun DI, Chakravarthy P, Santhosh kumar KS, Santhosh B "comparitive study on electro-active shape memory polyurethene nanocomposite with carbon black and multi-walled nanotube fillers", International conference on advanced materials, June 2019
  2. P. Chakravarthy, Uday chakkingal and P. Venugopal “Formability limit diagrams of sintered P/M preforms of steel” Proceedings 2nd International symposium for research scholars on metallurgy, materials science and engineering held at IIT Madras, 2006 Dec 18 – 20. FSE -O-01.
  3. P. Chakravarthy, Uday chakkingal and P. Venugopal “Warm extrusion of Sintered Preforms of Steel” Proceedings NMD-ATM 2007 held at Mumbai Nov 13-16 2007. PP107.
  4. B. Muthukumar, P.Chakravarthy and P. Venugopal, “Analysis of friction coefficient and ranking of lubricants by coining studies” Proceedings of the International Conference on Advances in Manufacturing Technology (ICAMT 2008) held on Feb 6-8, Chennai.
  5. P. Chakravarthy, Uday chakkingal and P. Venugopal, “Influence of Temperature on Extruding Sintered P/M Preforms of Steel. Proceedings of the International conference and exhibition”, Powder metallurgy Association of India, held at Chennai on Feb 20, 21 2008. Page 42.
  6. P.Chakravarthy, Uday chakkingal and P. Venugopal, “Economics of Warm Extrusion of Sintered Preforms on Manufacturing Commutator Sleeve”. Proceedings, 11th National and 1st International Conference on Technological Trends, 2010, page 651-653
  7. Neethu N, Rahul Goud, P Neelima, chakravarthy P, SVS Narayana Murty, Manoj T Nair, 'Effect of nature of fluxand flux gap on the depth to width ratio In FBTIG welding of AA6061:Experiments and Numerical Simulations', ICAMPS 2018
  8. Mohan kumar L, Usha KM, Chakravarthy P, 'Advanced ablative composites', Second international conference on Materials Science and Technology, ICMST 2016
National Conferenes
  1. P. Chakravarthy, S. Kumaran and T. Srinivasa Rao, “Grain refinement and microstructural evolution of mechanically alloyed Al-Ni-Zn powders”Proceedings, second National Conference on Quality Control in Metallurgical Industries held at PSG College of Technology, 2003 Dec 5-6.
  2. Sai Krupa. M, Nellori Dileep Kumar, Suresh Kumar. R,Chakravarthy.P, “Synthesis of SiC-ZrB2 composites and its Machinability“Proceedings NMD-ATM 2012 held at Jamshedpur Nov 16-19 2012. PP325
  3. Banavathu Lohit,Vikash Kumar yadav, S. Christopher, Chakravarthy.P, “Ring compression test on AA2219 alloy” Proceedings NMD-ATM 2012 held at Jamshedpur Nov 16-19 2012. pp400.

Assessment of machining characteristics of ablative materials - Ongoing

Neethu N and  Chakravarthy.P "Recent Advances in TIG welding process" in Recent Advances in Welding, 2020, Edited by  Francisco Jose Gomes Da Silva and Antonio Manuel De Bastos Pereira, Nova Science Publishers

P. Neelima, S.V.S. Narayana Murthy, P. Chakravarthy, T.S. Srivatsan, "High Entropy Alloy: Challenges in Commercialization and the Road Ahead" in High Entropy Alloys: Innovations, Advances, and Applications, 2020, edited by T.S. Srivatsan and Manoj Gupta, CRC press