Srinivasan Nagarajan
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Research Scientist
Arbegast Materials Processing and Joining Laboratory
South Dakota School of Mines and Technology
Rapid City - 57701, South Dakota, USA.
Email: Srinivasan.Nagarajan@sdsmt.edu
Tel. (off): +1- 605-219 8845
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ResearcherID: L-3500-2013
Orcid ID: orcid.org/0000-0002-9098-508X
Scopus Author ID: 56724314400
Education:
Ph.D., Materials Science & Engineering - 2015
Indira Gandhi Centre for Atomic Research / Homi Bhabha National Institute
M.Sc., Materials Science - 2009
Anna University - College of Engineering Guindy Campus
B.Sc., Physics - 2007
1st Rank
D.G. Vaishnav College / University of Madras
Research Areas:
Cold spray deposition/additive Manufacturing
Friction stir processing
Wire direct energy deposition
Hybrid additive manufacturing
Materials deformation at multiple length and time scales
Nondestructive characterization & full-field imaging
Professional Experience:
Research Scientist, South Dakota School of Mines and Technology, January 2023 - Present
Studying the feasibility of fabricating work-hardenable austenitic steel via hybrid additive manufacturing combining cold spray deposition and friction stir processing.
Exploring the possibility of employing friction stir processing in enhancing the performance of maraging steel manufactured by wire direct energy deposition.
INSPIRE Faculty Fellow, Indian Institute of Technology Kanpur, September 2017 - September 2022
Demonstrated the dependence of lattice rotation of grains in Al-Mg alloy on the misorientation and grain boundary segment shared with immediate neighbors using in-situ EBSD experiments.
Studied the difference in the kinetics of texture development in Al-Mg alloy under high strain rate tensile deformation via SHTB experiments in comparison with quasi-static deformation.
National Post Doctoral Fellow, Indian Institute of Technology Madras, Jan 2017 - Aug 2017
Proposed a small-scale patterning procedure based on chemical etching to study the microstructural strain evolution in Al- Mg alloy using digital image correlation.
Post Doctoral Fellow, McMaster University, August 2015 - August 2016.
Developed a simple and effective test specimen patterning procedure based on chemical etching to study the microstructural damage evolution of Mg alloys using digital image correlation.
Employed incremental image correlation approach to study the heterogeneous microstructural strain evolution of AZ31 Mg alloy up to large applied plastic strains with minimal decorrelation and error.
Senior Research Fellow, Indira Gandhi Centre for Atomic Research, August 2011- May 2015.
Studied the dissipative heat power evolution accompanying Lüders plastic instability in mild steel for quantitative analysis of the kinematics of localization without the effect of thermal diffusion.
Demonstrated the inhomogeneous yielding behavior of ferrite and bainite phases in welded mild steel accompanying yield point phenomenon based on the associated thermomechanical couplings.
Junior Research Fellow, Indira Gandhi Centre for Atomic Research, August 2009-July 2011.
Demonstrated the kinematics of localization accompanying plastic instability in low carbon steels using temperature and strain evolutions addressing the influence of microstrain localization on the deformation band nucleation.
Validated the instability models and proposed concepts on the deformation band growth mechanism with additional insights which were not predicted by them.
Awards/Fellowships:
INSPIRE Faculty Award - Dept. of Science & Technology, 2017
National Postdoctoral Fellowship - Science & Engineering Research Board, 2017
Postdoctoral Fellowship - McMaster/General Motors, 2015
Institute Postdoctoral Fellowship - IIT Madras, 2015
Senior Research Fellowship - IGCAR/Dept. of Atomic Energy, 2011
Junior Research Fellowship - IGCAR/Dept. of Atomic Energy, 2009
Best Outgoing Student Award & Gold medal (B.Sc. Physics) - D.G. Vaishnav College, 2007
Seetharaman Memorial Meritorious Student Award - D.G. Vaishnav College, 2006
Academic Proficiency Award - D.G. Vaishnav College, 2006
Peer Reviewing:
Additive Manufacturing
Journal of Manufacturing Processes
Journal of Materials Science
Materials Characterization
Infrared Physics and Technology
Archives of Metallurgy and Materials
Publications:
Journals:
Srinivasan Nagarajan, Michael Carter, Todd Curtis, Grant Crawford, Cold spray-friction stir hybrid additive manufacturing of 316L SS: Feasibility, microstructure, and mechanical performance, Mater. Des. 255, (2025) 114164.
Srinivasan Nagarajan, Roopam Jain, Sumit Jha, Vivek Kumar Sahu, N.P. Gurao In-Situ electron backscatter diffraction study of deformation behavior of fine-grained dual phase steel subjected to uniaxial tension, J. Mater. Eng. Perform. 32 (2023) 9671–9686.
Srinivasan Nagarajan, Roopam Jain, N.P. Gurao, Microstructural characteristics governing the lattice rotation in Al-Mg alloy using in- situ EBSD, Mater. Charact. 180 (2021) 111405.
Srinivasan Nagarajan, N.P. Gurao, Venkitanarayanan Parameswaran, On the kinetics of texture development in Al-4%Mg alloy under high strain rate tension, Mater. Charact. 163 (2020) 110303.
Srinivasan Nagarajan, Raghu Narayanaswamy, Venkatraman Balasubramaniam, A systematic approach for effective measurement of deformation front orientation accompanying plastic instability, Res. Phys. 15 (2019) 102534.
S. Nagarajan, R. Prakash, A new Patterning method for microstructural strain mapping Al-5754 alloy using image correlation, Exp. Tech. 42 (2018) 453-458.
Srinivasan Nagarajan, Mukesh K. Jain, David S. Wilkinson, Raja K. Mishra, Effective approaches towards microstructural strain mapping of AZ31 B Mg alloy using digital image correlation, Opt. Lasers Eng. 102 (2018) 17-25.
N. Srinivasan, N. Raghu, B. Venkatraman, Intermittent yielding behavior of welded mild steel: A thermomechanical study, Exp. Mech. 56 (2016) 957-968.
A. Deepak, N. Srinivasan, V. Karthik, S. Ramya, Vaidehi Ganesan, P. Shankar, Graphene based polymer strain sensors for nondestructive testing, Adv. Mater. Res. 1101 (2015) 314-317.
Karthik Srinivas, R. Saranarayanan, A.K. Lakshminarayanan, N. Srinivasan, B. Venkatraman, Zone wise properties of friction stir welded copper–stainless steel joints using digital image correlation, Appl. Mech. Mater. 787 (2015) 485-489.
Srinivasan Nagarajan, Raghu Narayanaswamy, Venkatraman Balasubramaniam, Study on the kinetics of thermomechanical response accompanying plastic instability in mild steel, Mech. Mater. 80 (2015) 27-36.
N. Srinivasan, N. Raghu, B. Venkatraman, Study on the deformation band characteristics in mild steel using digital image correlation, J. Multi. Dis. Eng. Sci. Tech. 1 (2014) 400-403.
Srinivasan Nagarajan, Raghu Narayanaswamy, Venkatraman Balasubramaniam, An insight into Lüders deformation using advanced imaging techniques, J. Mater. Eng. Per. 22 (2013) 3085-3092.
Srinivasan Nagarajan, Raghu Narayanaswamy, Venkatraman Balasubramaniam, Study on local zones constituting to band growth associated with inhomogeneous plastic deformation, Mater. Lett. 105 (2013) 209-212.
Srinivasan Nagarajan, Raghu N., Venkatraman B, Advanced imaging for early prediction and characterization of zone of Lüders band nucleation associated with pre-yield microstrain, Mater. Sci. Eng. A 561 (2013) 203-211.
N. Srinivasan, N. Raghu, B. Venkatraman, Study on Lüders deformation in welded mild steel using infrared thermography and digital image correlation, Adv. Mater. Res. 585 (2012) 82-86.
Conference Proceedings/Presentations:
Srinivasan Nagarajan, Michael Carter, Todd Curtis, Grant Crawford, Effect of friction stir processing on the microstructure and mechanical performance of 316L SS cold sprayed deposits, (TMS-2024), 3–7, March 2024, Hyatt Regency Orlando, Orlando, Florida, USA.
Srinivasan Nagarajan, Nilesh Gurao, Venkitanarayanan Parameswaran, Texture development kinetics in Al-Mg alloy under dynamic tension, (TMS-2020), 23-27, February 2020, San Diego Convention Center, San Diego, California, USA.
S. Nagarajan, M.K. Jain, D.S. Wilkinson, R.K. Mishra, Microstructural strain mapping: Effective approaches for strain mapping in Mg and Al alloys, International Conference on Digital image correlation and Noncontact Experimental Mechanics (IDICs-2018), 15-18, October 2018, Lake View Hotel, Hangzhou, China.
Srinivasan Nagarajan, Raghu Narayanaswamy, Venkatraman Balasubramaniam, Dynamics of strain localization associated with Lüders deformation - An insight, Exp. Appl. Mech. 6 (2015) 187-194, Proceedings of the 2014 Annual Conference on Experimental and Applied Mechanics (SEM-2014), 2-5, June 2014, Hyatt Regency Greenville, Greenville, South Carolina, U.S.A.
Srinivasan Nagarajan, Raghu N., Venkatraman B, Enhanced understanding on Lüders band phenomenon using infrared thermography and digital image correlation, Asia Pacific Conference on Nondestructive Testing (APCNDT-2013), 18-22, November 2013, Hotel Renaissance, Mumbai, Maharashtra, India.
Srinivasan Nagarajan, Raghu N., Venkatraman B, Digital image correlation – A non-contact, imaging tool for studying heterogeneous deformation, International Conference on Pressure Vessels and Piping: Operating Pressure Equipment (OPE -2013), 13-16 January 2013, Radisson Blu Resort, Mamallapuram, Tamil Nadu, India.
Srinivasan Nagarajan, Raghu N., Venkatraman B, Creep deformation associated with yield point phenomenon in mild steel using Digital image correlation and Infrared thermography, National Metallurgist Day-Annual Technical Meeting (NMD-ATM-2012), 16-19 November 2012, XLRI campus, Jamshedpur, Jharkhand, India.
Srinivasan Nagarajan, Raghu N., Venkatraman B, Characterization of Lüders deformation in mild steel using Infrared thermography and Digital image correlation, National Metallurgist Day-Annual Technical Meeting (NMD-ATM-2012), 16-19 November 2012, XLRI campus, Jamshedpur, Jharkhand, India.
Srinivasan Nagarajan, Raghu N., Venkatraman B, Study on band growth aspects of Lüders deformation in mild steel using Digital image correlation, National Seminar on Nondestructive Evaluation (NDE-2012), 10-12 December 2012, Hotel Clarks Inn Suits, Ghaziabad, New Delhi, India.
N. Srinivasan, N. Raghu, B. Venkatraman, Nandagopal. Thermal and strain patterns associated with Lüders deformation in mild steel using Infrared thermography and digital image correlation, National Seminar on Nondestructive Evaluation (NDE-2011), 8-10, December 2011, Convention Centre, Chennai, Tamil Nadu, India.
M. Krishna Surendra, N. Srinivasan, M.S. Ramachandra Rao, Effect of particle concentration, pH and ionic strength on the adsorption of arsenic on magnetite nanoparticles, DAE-BRNS 5th national symposium of Pulsed Laser Deposition of thin films and nanostructured materials (PLD-2009), 2-4, December 2009, IIT Madras, Chennai, Tamil Nadu, India.
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