Assistant Professor: November 2025 to Present

 E-mail: karthik.hariharan[at]iitb.ac.in

 Phone: 8220423350

 Website: https://corrmetlab.wpcomstaging.com/

Google scholar: https://scholar.google.com/citations?user=ZsvD1e8AAAAJ&hl=en

 Academic Background:

 Ph.D. Materials Science and Engineering, The Ohio State University, Columbus, USA (2023)

 B.Tech. Metallurgical and Materials Engineering, National Institute of Technology, Tiruchirappalli (2020)

 Experience:

 Humboldt Postdoctoral Fellow, Friedrich Alexander University, Erlangen-Nuremberg (March 2024 to November 2025)

 Cell Inactive Materials Engineering, Tesla Inc., Palo Alto, USA (January 2023 to August 2023)

 Research Interests:

 ·       Localized corrosion of Ni and Fe-based alloys

 ·       Microstructural aspects of Corrosion 

 ·       High temperature corrosion 

 ·       High temperature alloys  

 ·       Corrosion of Additively manufactured alloys 

 ·       Environmentally assisted cracking (High and Low temperatures) 

 ·       Corrosion of metals in Li-ion battery electrolytes

 Awards:

 TMS-AIME Henry Dewitt Smith Award, The Minerals, Metals, and Materials Society (TMS), USA (2025)

 Humboldt Postdoctoral Fellowship, Alexander von Humboldt Foundation, Germany (2024)

Recent Publications:

 1.    Karthikeyan Hariharan, Michael Landes, Markus Ramsperger, Oswaldo Luengas, Taiwu Yu, Erdmann Spiecker, Christopher H. Zenk, Yunzhi Wang, and Sannakaisa Virtanen. "High temperature oxidation of Ni-based superalloy 247 produced by electron beam powder bed fusion additive manufacturing." Corrosion Science (2025): 113301.

 2.    Karthikeyan Hariharan, Ann-Kathrin Bach, Mark P. Bruns, and Sannakaisa Virtanen. "Transpassive corrosion mechanisms in Ni revisited with electrochemistry coupled in situ respirometry." Electrochimica Acta (2025): 146461.

 3.    Karthikeyan Hariharan, and Sannakaisa Virtanen. "Microstructure engineering for corrosion resistance in structural alloy design." npj Materials Degradation 8, no. 1 (2024): 115.

 4.    Karthikeyan Hariharan, Longsheng Feng, Kamalnath Kadirvel, Vignesh Karunakaran, Koushik Kosanam, Narasi Sridhar, Yunzhi Wang, Gerald S. Frankel, and Eric J. Schindelholz. "Localized corrosion of thermally aged Cu-containing Ni-13Cr-10Fe alloys: The role of Cu enrichment induced grain boundary sensitization." Corrosion Science 233 (2024): 112090.

 5.    Karthikeyan Hariharan, Andrew D. Iams, James S. Zuback, Todd A. Palmer, Narasi Sridhar, Rashed M. Alazemi, Gerald S. Frankel, and Eric J. Schindelholz. "Enhanced localized corrosion resistance of Ni-based alloy 625 processed by directed energy deposition additive manufacturing." Corrosion Science 230 (2024): 111945.