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Assistant Professor

Vijayshankar Dandapani

Email: v[dot]dandapani[at]iitb[dot]ac[dot]in

Phone: (+91) (022) 2576 7617

Education: 

  • B.Tech (Chem. Engg.) – IIT Guwahati, 2009
  • MS (Mats. Sci. & Engg.) – Rensselaer Polytechnic Institute, USA, 2011
  • PhD (Matls. Engg. ) – Ruhr University Germany, 2017
Teaching

Prof. Vijay emphasizes on mechanistic understanding of corrosion phenomena relevant to metallic materials to develop environmentally stable alloys for addressing pressing global energy needs. 

Courses taught are 

Undergraduate: Corrosion and Protection of Materials (Theory and Lab) 

Graduate: High Temperature Corrosion, Corrosion Lab

Research profile

Prof. Vijay’ research interests are in the development of techniques for quantification of corrosion rate. Using principles of electrochemical hydrogen sensing combined with classical impedance spectroscopy a novel technique to screen polymer coatings for corrosion protection was developed [1]. As part of IITB­Monash Academy, with Prof. MJNV Prasad and Prof. Raman Singh (Monash), current work focusses on understanding the effects of microstructure and stress on corrosion of bio­degradable magnesium alloys for temporary human implant applications [2]. As part of the Start­up Research Grant (SRG) funding provided by Science and Engineering Research Board (SERB), India development of a novel in­situ electrochemical hydrogen permeation setup to work in tandem with tensile stress application to identify hydrogen and stress effects on failure of dual phase steels with defined microstructure relevant for the automobile industry is ongoing [3].

Research interest
  • Hydrogen electrochemistry 
  • Organic coatings and Electrochemical Impedance Spectroscopy 
  • Stress Corrosion Cracking 
  • Scanning Kelvin Probe
reference1
reference2
reference3

Hydrogen potentiometry and impedance spectroscopy for quantifying organic coating corrosion rate

Microstructure effects along different planes of extruded ZK60 alloy on corrosion rate in 3.5 wt % NaCl

Novel tensile testing with in­situ hydrogen permeation to determine failure of dual phase automobile steels

References
  1. Combined Hydrogen Potentiometry and Electrochemical Impedance Spectroscopy Approach for Quantification of Oxygen Reduction Kinetics at Buried Metal/Organic Coating Interfaces, Rasmi Ranjan Tripathy and Dandapani Vijayshankar. J. Electrochem. Soc. , 170(5), 051501 (2023). https:// doi.org/10.1149/1945­7111/accf3c 
  2. Electrochemical Corrosion Resistance of Mg Alloy ZK60 in Different Planes with Respect to Extrusion Direction, Keerthiga G, Vijayshankar D, Prasad M, Peron M, Albinmousa J, Singh Raman R. Metals. 2022; 12(5):782. https://doi.org/10.3390/met12050782 
  3. In­situ tensile testing for understanding hydrogen induced failure of high strength dual­phase ferrite­martensite steels. Sudha Gautam and Dandapani Vijayshankar (In preparation)