- Creep of metals, alloys and HEAs
- High temperature deformation
- Deformation processing maps
- High entropy alloys and magnesium alloys
- Hot corrosion and its interaction with creep
Ravi Sankar Kottada
Associate Professor
Oct 2007 – Jul 2016: Assistant Professor
Jul 2016 – till date: Associate Professor
Phone: +91 44 2257 4779
Email: ravi.sankar@iitm.ac.in
URL: https://sites.google.com/view/ravisankarkottada/
Email: ravi.sankar@iitm.ac.in
URL: https://sites.google.com/view/ravisankarkottada/
Selected Journal Publications
- Praveen S., Joysurya Basu, Sanjay Kashyap and Ravi Sankar Kottada; Exceptional resistance to grain growth in a nanocrystalline CoCrFeNi high entropy alloy at high homologous temperatures; J. Alloys Compd. 662 (2016) 361-367.
- Venkateswararao Mannava, Sambasiva Rao A., Neeta Paulose, Kamaraj M. and Ravi Sankar Kottada; Hot corrosion studies on Ni-base superalloy at 650°C under marine-like environment conditions using three salt mixture (Na SO + NaCl + NaVO ); Corros. Sci.105 2 4 3 (2016) 109-119.
- Niraj Chawake, Koundinya N.T.B.N., Ajeet K. Srivastav and Ravi Sankar Kottada; On correlation between densification kinetics during spark plasma sintering and compressive creep of B2 aluminides; Scripta Mater. 107 (2015) 63-66.
- Andrew S.M. Ang, Christopher C. Berndt, Mitchell L. Sesso, Ameey Anupam, Praveen S., Ravi Sankar Kottada and Murty B.S.; Plasma sprayed high entropy alloys: Microstructure & properties of AlCoCrFeNi and MnCoCrFeNi; Metall. Mater. Trans. 46 A (2015) 791-800.
- Sriharitha R., Murty B.S. and Ravi Sankar Kottada; Alloying, thermal stability and strengthening in spark plasma sintered Al CoCrCuFeNi x high entropy alloys; J. Alloys Compd.583 (2014) 419-426 .
- Praveen S., Murty B.S. and Ravi S. Kottada; Alloying behaviour in multicomponent AlCoCrCuFe and NiCoCrCuFe high entropy alloys; Mater. Sci. Eng. A 534 (2012) 83-89 .
- Indrani Sen, Ravi Sankar Kottada and Ramamurty U.; High temperature deformation processing maps for boron modified Ti–6Al–4V alloys; Mater. Sci. Eng. A 527 (2010) 6157-6165
Research Projects
- Development of high entropy alloy (HEA) coatings as potential bond coat materials for high temperature turbine engine applications, ARDB (DRDO), 2016-2020.
- Optimisation of hot-workability parameters for microstructure control in high temperature superalloys for aerospace applications, VSSC (ISRO), 2014-2016.
- Evaluation of creep behaviour of A-TIG weld joints of modified 9Cr-1Mo Steel (P-91), BRNS (DAE), 2012-2015.
- High temperature mechanical behaviour of high strength high entropy alloys, NRB (DRDO), 2010-2013.
