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Chakravarthy P.
Professor

  • R-121

Department
Aerospace Engineering

Research interests

Aerospace Materials, Hot Working of metallic materials, Additive Manufacturing

  • 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, February 2010 - Jan 2016
  • Associate Professor – Aerospace Engineering, Indian Institute of Space Science and Technology, February 2016 - Jan 2022
  • Professor – Aerospace Engineering, Indian Institute of Space Science and Technology, Since February 2022

Education

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

  • Manufacturing techniques
  • Aerospace materials and processes
  • Engineering materilas
  • Mechanical behavior of materials
  • Theory of plasticity and advanced metal forming processes
  • Advanced engineering materials

  • Dr.Arun D.I, Research scholar, Department of Aerospace Engineering, jointly guided by myself and Dr.B.Santhosh received the best published paper award under the young researcher category for the year 2020 for the paper titled ''Synergy studies on polyurethene-carbon black multi walled carbon nanotube based heterogeneous electro active shape memory nanocomposite system", coauthored by Chakravarthy P. and  K.S. Santhosh kumar, during the chapter day celebrations of the Indian Institute of Metals Trivandrum chapter, held on March 25 2023.
  • Dr.Arun D.I, Research scholar, Department of Aerospace Engineering, jointly guided by myself and Dr.B.Santhosh received the best published paper award under the young researcher category for the year 2019 for the paper titled ''Structural -modeling and experimental validation of percolation threshold for nanotube polyurethene shape memory system", coauthored by R. Arun kumar, Chakravarthy P., B.S. Girish, K.S. Santhosh kumar and B.Santhosh, during the chapter day celebrations of the Indian Institute of Metals Trivandrum chapter, held on March 25 2023.
  • Ms.Neelima Patnaikuni, M.Tech. student, jointly guided by myself and Dr.S.V.S Narayana Murty received Prof.Brahm Prakash best thesis award for the project titled ''Experimental and Numerical study on Flux Bounded Tungsten Inert Gas (FBTIG) Welding of Inconel 600'' during the chapter day celebrations of the Indian Institute of Metals Trivandrum chapter, held on March 25 2023.
  • Ms.Neelima Patnaikuni, M.Tech. student, jointly guided by myself and Dr.S.V.S Narayana Murty, received the best published paper award under the young researcher category for the year 2019 for the paper titled ''Comparison of prediction capabilities of flow stress by various constitutive equation models for hot deformation of aluminium metal matrix composites'', coauthred by S.V.S. Narayana Murty and Chakravarthy P., during the chapter day celebrations of the Indian Institute of Metals Trivandrum chapter, held on March 25 2023.
  • Best oral presentation award for the paper titled 'Effect of grain size on the heat affected zone (HAZ) cracking in nickel base super alloy XH67’ during NMD-ATM 2022 (Nov 13-16), hyderabad
  • 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.
  • 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 'Development, characterisation and qualification of Aerospace Ablative Composites' in National Conference on Emerging Trends in Engineering and Technology, 2016
  • Best paper award for 'Advanced manufacturing processes for Aerospace Ablative composites' in National aerospace manufacturing seminar 2015.
  • 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.
  • Consecutively Awarded “Academic Proficiency Prize” for the year 2002-2003 and 2003-2004 in National Institute of Technology, Tiruchirappalli.

Assessment of machining characteristics of ablative materials - Completed

  1. 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
  2. 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
  3. Arun D.I., Chakravarthy P., Arockia kumar R., "Smart hydrogels: Theory and applications with particular focus on biomedical sciences" in Advanced materials for emerging applications - Innovations, improvements, inclusion and impact, 2024, edited by T.S Srivatsan, Jimmy Karloopia and Manoj Gupta, Bentham Books

Completed

  1. Arun D.I. (DoS candidate), Thesis title: Investigations on Electro-Active Shape Memory Polymer Nanocomposites: Polyurethene - Carbon Black/Carbon Nanotube Systems, Graduated in the year 2020.
  2. Mohan Kumar L. (DoS Candidate), Thesis title: Investigations on the Critical Parameters Influencing the Properties and Functional Performance of Ablative Composites, Graduated in the year 2021.
  3. Rajiv Panda, (DoS candidate), Thesis title: Synthesis and Deformation Behaviour of 2024 and 2618 Aluminium Alloys and its Composites for Aerosapce Applications, Graduated in the year 2025

Ongoing

  1. Santhosh Kumar (DoS Candidate) - Additive Manufacturing
  2. Aishwary Mishra (DoS Candidate) - Additive Manufacturing
  3. Vinu Vishwanath (DoS Candidate) - Carbon Carbon Composites
  4. Anup Kumar T.M. (Regular Candidate) - Hot Working of Aluminium alloys
  5. Bishwajyoti Dutta Majumdar (DoS Candidate) - High energy rate forming
  6. Ciju Paul (DoS Candidate) - welding of dissiilar materials
  7. Muhammed Rijas (Internal Candidate, IIST) - Welding and forming of refractory alloys

  1. Aishwary Mishra, P.Chakravarthy & S.V.S. Narayana Murty, "Characterization of Carbides in Argon‑Shielded Arc‑DED Fabricated Haynes 230",  Metallography Microstructure and Analysis, 2025, https://doi.org/10.1007/s13632-025-01250-x
  2. Aishwary Mishra, P.Chakravarthy & S.V.S. Narayana Murty, "Effect of shielding gases on the microstructure and mechanical properties of wire arc additively manufactured nickel‑based superalloy", The international journal of advanced manufacturing technology, 2025, https://doi.org/10.1007/s00170-025-16023-7
  3. Aishwary Mishra, P.Chakravarthy & S.V.S. Narayana Murty, "Investigations on phase stability of Haynes-230 processed by wire arc additive manufacturing", Metallography Microstructure and Analysis, 2025, https://doi.org/10.1007/s13632-025-01219-w
  4. Y. Ananthesh Kumar, Ravi Rajan Tiwari, Varsha Florist, Ravi Ranjan Kumar,, P. Chakravarthy, Jobin Cyriac, S.V.S. Narayana Murty, "Interfacial microstructure and mechanical characteristics of dissimilar metal joints between SS 316 L to Ti-6Al-4V produced by diffusion bonding under vacuum", Materials Today Communications 45 (2025) 112264, https://doi.org/10.1016/j.mtcomm.2025.112264
  5. V. Uday Kumar, M. Vidhish Naik, P. Chakravarthy, R. Arockia Kumar, "Effects of alloying and extrusion temperatures on the microstructure, mechanical properties, and biodegradability of zinc alloys", Materials Chemistry and Physics, 338 (2025), 130662, https://doi.org/10.1016/j.matchemphys.2025.130662
  6. Mishra, A., Patel, M.S., Hussain, I, Gaurav Chandra Tripathi, Atul Kumar Choudary, P. Chakravarthy, Rahul Jain and R. Jose Immanuel, "Achieving microstructural homogeneity in the stir zone across thick AA6061 welds using self-reacting bobbin tool friction stir welding", Discover Materials, 65(2024), https://doi.org/10.1007/s43939-024-00138-x.
  7. Rajiv Panda, Rohit kumar Gupta, P Chakravarthy, "Post‑processing and characterization of AA2024 RAM2 and RAM10 metal matrix composites realized through 3D printing", Progress in additive manufacturing, (2024), https://doi.org/10.1007/s40964-024-00819-2
  8. Soumyajyoti Dey, Ravi Ranjan Kumar, Namit Pai, CR Anoop, P Chakravarthy, SVS Narayana Murty, "Hot Forgeability of Titanium Alloy Ti–6Al–2.2 Mo–1.4 Cr–0.4 Fe–0.3 Si Alloy: An Approach Using Processing Map", Metallurgical and materials transactions A 55(2024) pp 4072-4092. https://doi.org/10.1007/s11661-024-07531-4
  9. R.Rejith, Y.Arivu, D. Kesavan, P.Chakravarthy, S.V.S. Narayana Murty, " Relating rolling contact fatigue (RCF) life to the microstructure evolution in aerospace grade bearing steels: A comparison of Cronidur-30 with AISI 440C", International Journal of fatigue, 186 (2024), https://doi.org/10.1016/j.ijfatigue.2024.108421
  10. Soumyajyoti Dey, Ravi Ranjan Kumar, VArsha Florist, Shubham KUmar, Debasis Tripathy, P.Chakravarthy, S.V.S. Narayana Murty, ''Hot workability and microstructure control in Monel K500 in as cast condition: An approach using processing maps", Metals and Materials International, 30 (2024), pp 3155-3170. https://doi.org/10.1007/s12540-024-01693-x
  11. Rajiv Panda, Rohit Kumar Gupta, Animesh Mandal, P. Chakravarthy, "Processing, microstructure evolution, and heat  treatment response of AA2024 and its metal matrix composites of in-situ TiB2 dispersoids'', Journal of materials engineering and performance, (2024), https://doi.org/10.1007/s11665-024-09344-3.
  12. Harish Singh Dhami, N.Dileep kumar, Thomas Tharian, P.Chakravarthy, "Microstructure and mechanical properties of heat  treated high nitrogen martensitic stainless steel", Metallography, Microstructure and Analysis, 13 (2024), pp 96-105. https://doi.org/10.1007/s13632-024-01041-w
  13. Dhiliban S., Chakravarthy P., Arockia kumar R., Sooraj V.S. "Effect of die profile on strain inhomogeneity during constrained groove pressing", Transactions of Indian Institute of metals, 77 (2024), pp 1787-1794 https://doi.org/10.1007/s12666-023-03196-6
  14. Rishabh Srivastava, Ravi Ranjan Kumar, R.SAnthosh Kumar, CR Anoop, Jobin Cyriac, Chakravarthy P, SVS Narayana Murty, ''Effect of grain size on the Heat affected zone (HAZ) cracking susceptibility in Ni base XH67 superalloy", Metallurgical and materials transactions A, 55 (2024),  pp 183-197,  https://doi.org/10.1007/s11661-023-07241-3,
  15. M.Vidish Naik, Narasaiah, Chakravarthy P., R. Arockia kumar, ''Microstructure and mechanical properties of friction stir processed Zn-Mg biodegradable alloys'', Journal of alloys and compounds,  970, (2024) https://doi.org/10.1016/j.jallcom.2023.172160
  16. K.Venkateswara Reddy, R.Bheekya Naik, Shiva Pawan venna, Guttikonda Manohar, G.Madhusudhan Reddy, P.Chakravarthy & R.Arockia Kumar, ''Damping properties of magnesium surface layers developed by friction stir procesing'', Advances in materials and procesing technologies, 2023,  https://doi.org/10.1080/2374068X.2023.2220247
  17. Anant Kumar T.K.;Sarvaiya I.;Harshavardhan E.;Kompella M.;Datta D.A.;Sai Abhishek C.;Garg V.;Joshi Y.;Samanta P.;Prasad S.K.;Priyadarshini S.;Jain P.;Janakiram S.V.;Surya Sudhakar K.;Shaw S.P.;John H.V.;Prakash D.;Bhalla D.;Kulkarni A.;Vishnoi S.;Sivaranjini ;Murala A.N.;Varghese J.J.;Suhail P.;Priyadarshan H.;Simha M.S.H.;Kaarthik S.;Sooraj V.S.;Raveendranath P.;Bijudas C.R.;Kadhane U.R.;Chakravarthy P., Design and Development of a 3U CubeSat for In-Situ Radiation Measurements, Lecture Notes in Mechanical Engineering, Volume , Year 2023, Pages 215-224
  18. R.Rejith D.Kesavan, Chakravarthy P, S.V.S. Narayana Murty ''Bearings for aerospace applications'', Tribology International, 181 (2023),108312, : , https://doi.org/10.1016/j.jallcom.2023.172160
  19. L. Mohan Kumar, P. Chakravarthy and E.N. Anandapadmanabhan "Synthesis, characterisation and qualification of high performance phenolic/carbon random-fibre oriented ablative thermal protection composite for re-entry applications'', International journal of Materials and Product Technology, 64(01), (2022) , pp 23-35.
  20. M Vidhish Naik, N Narasaiah, P Chakravarthy and R Arockia Kumar "Hot extrusion behaviour of biodegradable Zn-Mg alloys'' Materials Today Proceedings, 56(03), (2022) pp 1432-1439
  21. 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,31, (2022) pp pages75–81  .
  22. 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, 30 (2021), pp 7057-7070.
  23. 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,6 (2021),  pages1083–1097.
  24. 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
  25. 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, 6, (2021) pp 123–131
  26. N Neethu, Chakravarthy P, "Development of processing maps for hot deformation : Algorithm and common errors" Metallurgical and materials transactions A, 51A, (2020), pp 3398-3402.
  27. 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), pp 1619–1628
  28. 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), pp 1-9
  29. 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),pp  59-71
  30. 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), pp 237-261
  31. 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), pp 188-201.
  32. 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.
  33. 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, pp  2024-2037
  34. 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, p p596-605
  35. 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.
  36. 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
  37. 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.
  38. 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
  39. 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
  40. 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
  41. Jayakrishnan S, Chakravarthy P, 'Flux bounded tungsten inert gas welding for enhanced weld performance - A review', Journal of manufacturing processes 28(1), (2017),  pp 116-130
  42. Hariram M, Deep Theerath, Chakravarthy P, Arockia kumar R, 'Influence of cold work on aging response of C17200', Material Today : Proceedings 4(2017) pp 11188-11193
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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) pp 9567-9574.
  49. 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) pp 45-50
  50. 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) pp 338-343
  51. 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) pp 395-402.
  52. 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) pp 193-201
  53. 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.
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