https://www.iitb.ac.in/mems/sites/www.mems.iitb.ac.in/files/article/images/Ashutosh.jpg

 

General Informations

Email: agandhiat]iitb[dot]ac[dot]in
Tel: +91-22-2576-7614
Web: https://ashjee.wixsite.com/asgmemsiitb

 

Positions held

  • Professor, Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, Mumbai 400076  (From Dec 2017).
  • Associate Professor, Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay, Mumbai 400076 (Apr 2015 – Nov 2017).
  • Associate Professor, Department of Metallurgical and Materials Engineering Indian Institute of Technology Madras, Chennai 600036 (Jul 2012 to Apr 2015).
  • Assistant Professor, Department of Metallurgical and Materials Engineering Indian Institute of Technology Madras, Chennai 600036 (May 2006 to Jul 2012).
  • Postgraduate Researcher, Materials Department, University of California, Santa Barbara, CA 93106, USA (Nov. 2001 to May 2005)

Academic Background:

  • Ph.D. Department of Metallurgy, Indian Institute of Science (IISc), Bangalore. [Specialisation in Ceramics].
  • M.E. Metallurgy, IISc. First Class.
  • B.E. Metallurgical Engineering, Visvesvaraya Regional College of Engineering (Now Visvesvaraya National Institute of Technology), Nagpur (University First Rank).

 

Research Interests

  • Science of Ceramics,
  • High Temperature Protective Coatings (TBCs and EBCs),
  • Surface Engineering
  • Multicomponent Equimolar (High Entropy) Ceramics,
  • Phase Transformations,
  • Metastable and Amorphous Materials

Patents

  • A.S. Gandhi, H.U. Gandhe, I. Longkumer, “Thermal barrier coating with low thermal conductivity, made of multicomponent equimolar “high entropy” oxide ceramic”,

           Indian Patent Application No. 201921032434 (2019).

Research Projects

  1. “Raman spectroscopic study of phase changes and residual stress in zirconia TBCs’, Pratt & Whitney, USA.
  2. “Multicomponent entropy stabilised oxides: Synthesis, processing and characterisation of a new class of ceramic materials”, Science & Engineering Research Board, India.
  3. “Residual Stress and Structural Characterisation of Thermal Barrier Coating Systems using Spectroscopic Techniques”, Aeronautics Research & Development Board.
  4. “Development of Icephobic Coating for Aerospace Applications”, The Boeing Company, USA (Co-investigator).
  5. “Rare-earth Silicate Environmental Barrier Coatings for SiC Based High Temperature Materials” Indian Space Research Organisation.
  6. “Critical review of literature on the constitutional and thermochemical data of oxide systems” (Co-investigator), GE India Technology Center, Bengaluru, India (2012).
  7. “Critical review of literature on the constitutional and thermochemical data of oxide systems” (Co-investigator), GE India Technology Center, Bengaluru, India (2013).
  8. “Effect of rare-earth dopants on thermal stability and fracture toughness of nanocrystalline zirconia based thermal barrier materials”, Department of Science & Technology, India.
  9. “Hot corrosion behaviour of rare-earth stabilised zirconia for thermal barrier applications”, Naval Research Board, DRDO, India.
  10. “Development of scandia stabilised zirconia electrolytes with rare earth co-doping for solid oxide fuel cells” (Co-investigator), Department of Science & Technology, India.
  11. “Development of bulk nanocrystalline materials: nanoparticle synthesis and consolidation” (Co-investigator), Department of Science & Technology, India.
  12. “Development of protective coatings on refractories based on nano-materials” (Co-investigator), Visakhapatnam Steel Plant.
  13. 'Integrated modelling of high temperature phase and microstructural stability and phase transformation kinetics of advanced high chromium ferritic steels with special emphasis on 9 Cr-1 Mo based derivatives” (Co-investigator), Indira Gandhi Centre for Atomic Research.

 

Selected Publications:

Book Chapter

  1. “Materials Aspects of Thermal Barrier Coatings”, Ashutosh S. Gandhi, In: Handbook of Advanced Ceramics and Composites. Eds. Y.R. Mahajan and Roy Johnson, Springer, Cham (2020).
  2. “Metastable phase selection and low temperature plasticity in chemically synthesized amorphous Al2O3-ZrO2 and Al2O3-Y2O3”, Ashutosh S. Gandhi, Arindam Paul, Shailendra Singh Shekhawat, Umesh Waghmare, and Vikram Jayaram, in 'Oxide Nanostructures: Growth, Microstructures, and Properties', Ed. A.K. Srivastava, Pan Stanford Publishing (April 2014).

Journal Publications

  1. S. Raghunandan, R. Suresh Kumar, M. Kamaraj, A.S. Gandhi, “Role of water in the sol-gel synthesis of yttrium monosilicate”, Ceram. Int. 45, 4487-4492 (2019).
  2. N. Indumathi, S. S. Bhattacharya, A.S. Gandhi, “Thermal stability and crystallisation behaviour of amorphous alumina-yttria synthesised by co-precipitation and combustion synthesis”, Ceram. Int., 45, 2368-2380 (2019).
  3. S.B. Anantharaman, V.B. Rajkumar, S. Raghunandan, K.C. Hari Kumar, R. Suresh Kumar, A.S. Gandhi, “Role of thermodynamic miscibility gaps in phase selection in sol-gel synthesis of yttrium silicates”, J. Eur. Ceram. Soc., 37, 5001-5007 (2017).
  4. R. Raja Madhavan, A.S. Gandhi, K.V. Govindan Kutty, “Sodium titanium phosphate NaTi2(PO4)3 waste forms for immobilization of simulated high level waste from fast reactors”, Ceram. Int. 43, 9522–9530 (2017).
  5. Anu Mohan, A. Udayakumar, A.S. Gandhi, “High temperature oxidation behaviour of CVD β-SiC seal coated SiCf/SiC composites in static dry air and combustion environment, Ceram. Int. 43, 9472–9480 (2017).
  6. Archana Loganathan, A.S. Gandhi, “Toughness evolution in Gd and Y stabilized zirconia thermal barrier materials upon high temperature exposure”, J. Mater. Sci., 52, 7199–7206, (2017).
  7. Ruzica Djenadic, Abhishek Sarkar, Oliver Clemens, Christoph Loho, Miriam Botros, Venkata S.K. Chakravadhanula, Christian Kübel, Subramshu S. Bhattacharya, Ashutosh S. Gandhi, and Horst Hahn, “Multicomponent Equiatomic Rare Earth Oxides”, Mater. Res. Lett., 5, 102–109 (2017).
  8. Abhishek Sarkar, Ruzica Djenadic, Nandhini J. Usharani, Kevin P. Sanghvi, Venkata S.K. Chakravadhanula, Ashutosh S. Gandhi, Horst Hahn, Subramshu S. Bhattacharya, “Nanocrystalline multicomponent entropy stabilised transition metal oxides”, J. Eur. Ceram. Soc., 37, 747–754 (2016).
  9. Mohan B. Ponnuchamy, A.S. Gandhi, “Phase and fracture toughness evolution during isothermal annealing of spark plasma sintered zirconia co-doped with Yb, Gd and Nd oxides”, J. Eur. Ceram. Soc., 35, 1879-1887 (2015).
  10. Mohan B. Ponnuchamy, A.S. Gandhi, “Lattice expansion and contraction in nanocrystalline yttria stabilized zirconia powders”, Scr. Mater., 83, 21–24 (2014).