Dr A.K. Lakshminarayanan
Associate Professor
Department of Mechanical Engineering
Email: [email protected]
Educational Qualifications
- Ph.D (Manufacturing) – Annamalai University, 2012
- M.E (Manufacturing) – Annamalai University, 2006
- B.E (Mechanical & Production) – Annamalai University, 2003
- Diploma (Mechanical), Muthiah Polytechnic, 1999
Bio
Work Experience
Projects
Publications
Awards
Membership
Area of Research
Links
Bio
Dr A. K. Lakshminarayanan is an Associate Professor in the Department of Mechanical Engineering at Shiv Nadar University, Chennai. He is an internationally recognised researcher in welding engineering, metal additive manufacturing, advanced manufacturing, and materials processing, with over 19 years of teaching and research experience. His research has made significant contributions to Wire Arc Additive Manufacturing (WAAM), Twin-Wire WAAM, welding metallurgy, friction stir processing, and welding automation. He has published 106 peer-reviewed journal papers, received 2,388+ citations with an H-index of 24, and secured over ₹2.3 crore in competitive research funding from ESAB, DRDO, DST-SERB, and SSN Trust. Dr Lakshminarayanan has been recognised as one of the Stanford–Elsevier World’s Top 2% Scientists for five consecutive years (2020–2024). He has established advanced manufacturing research laboratories, actively collaborates with leading international universities and industries, and continues to drive innovation in sustainable manufacturing, intelligent welding systems, and metal additive manufacturing.
Work Experience
Work Experience
- July 2026 – Present, Associate Professor, Department of Mechanical Engineering – Shiv Nadar University Chennai
- 2024 – June 2026, ESAB Chair Faculty in Welding Technologies and Head, SSN–ESAB SWIFT (Sustainable Welding and Innovative Fabrication Technologies) Research Centre – SSN College of Engineering
- 2012 – June 2026, Associate Professor, Department of Mechanical Engineering – SSN College of Engineering
- 2010 – 2012, Research Investigator – Annamalai University
- 2009 – 2010, UGC Non-SAP Research Fellow – Annamalai University
- 2007 – 2009, Project Associate – Annamalai University
Projects
Projects
Ongoing as a Principal Investigator
- Additive manufacturing of Ti-Al intermetallic components by Insitu alloy formation using dual filler gas tungsten arc, funded by DFTM, DRDO, Government of India, through DIA-COE, IITH with a sanctioned amount of ₹44.05 Lakhs, being carried out during 2024–2027, Co-PI: Dr. Koteswara Rao SR
- Development of green welding processes and green consumables, funded by ESAB India Ltd, through an MOU with a sanctioned amount of ₹195 lakhs, being carried out during 2024-2027
Completed as Principal Investigator
- Fabrication, testing and characterisation of metal 3D printed super duplex stainless cylindrical components, funded by SSN Trust with a sanctioned amount of ₹6.75 Lakhs, carried out during 2022–2025, Co-PI, Dr. Koteswara Rao SR
- Influence of Fusion and Solid-State Welding on the Microstructure and Properties of Creep Strength Enhanced Ferritic-Martensitic Stainless Steel, funded by UGC-DAE with a sanctioned amount of ₹0.90 Lakhs, carried out during 2016–2018
- Effect of Welding Technique on Mechanical and Metallurgical Properties of AZ91D Magnesium Alloy, funded by SSN Trust with a sanctioned amount of ₹3.00 Lakhs, carried out during 2012–2015.
- Development of friction stir welding (FSW) tools to weld stainless steel using atmospheric plasma spraying (APS) and Plasma transferred arc welding (PTAW) process, funded by DST-SERC, Government of india under Young Scientist Scheme with a sanctioned amount of ₹21.3 Lakhs, carried out during 2010–2012.
Completed as Co-Principal Investigator
- Wire arc additive manufacturing of Inconel 718 to stainless steel functionally graded material using dual filler TIG welding funded by DRDO, ERIPR, Government of India with a sanctioned amount of 24.2 Lakhs during 2023-2026, PI: Dr. Koteswara Rao SR
- Machine learning based decision support systems for solid state additive manufacturing process funded by SSN Trust with a sanctioned amount of ₹6.00 Lakhs, carried out during 2021–2023, PI: Dr. Divya Zindani
- Wire arc additive manufacturing of functionally graded materials and intermetallics using twin filler gas tungsten arc funded by SSN Trust with a sanctioned amount of ₹4.00 Lakhs, carried out during 2020–2022. PI: Dr. Koteswara Rao SR
- Design and Fabrication of Solid-State Extrusion Setup to Produce Mg Nanocomposite Microtubes for Biomedical Stent Applications, funded by SSN Trust with a sanctioned amount of ₹4.20 Lakhs, carried out during 2019–2021, Ongoing (Co-PI). PI: Dr. K.S Jayakumar
- Improving Corrosion Resistance of Rare Earth Containing Mg Alloy Welds Using Micro Arc Oxidation, funded by SSN Trust with a sanctioned amount of ₹4.20 Lakhs, carried out during 2016–2018, PI: Dr. K.L. Harikrishna
- Stress Corrosion Cracking Behavior of Friction Stir Processed Nickel Aluminum Bronze, funded by SSN Trust with a sanctioned amount of ₹4.00 Lakhs, carried out during 2015–2017, PI: Dr. R. Damodaram
- Studies on the Intergranular Corrosion of Friction Stir Welded 316LN Stainless Steel Joints, funded by SSN Trust with a sanctioned amount of ₹2.00 Lakhs, carried out during 2015–2017, PI: Dr. D.Ananthapadmanaban
Publications
Publications
(International Journals – 106, National Journal – 8, Conferences – 40, Book Chapters – 4)
2026
- Joshua, A., Lakshminarayanan, A. K., & Alwin, B. (2026). Microstructure evolution and stress corrosion cracking susceptibility of duplex stainless steel pipes produced by cold metal transfer wire arc additive manufacturing. International Journal of Pressure Vessels and Piping, 223, Article 105903.
- John, D. J., Rao, S. R. K., Lakshminarayanan, A. K., & Kumar, S. R. (2026). Microstructure and corrosion of SS316L–IN718 functionally graded structure deposited using twin-wire gas tungsten arc-based wire and arc additive manufacturing. International Journal of Pressure Vessels and Piping, Article 105845.
2025
- Mahalingam, M., Lakshmanan, P., & Lakshminarayanan, A. K. (2025). Stress corrosion cracking resistance of rare earth Gd and ZnO reinforced Mg–Zn nanocomposites developed by novel sonication technique. International Journal of Metal casting, 19(2), 1102–1115.
- Suganya, D., Rajavel, R., & Lakshminarayanan, A. K. (2025). Predictive Health Monitoring of Induction Motors Using 1D Convolutional Neural Network. Journal of Vibration Engineering & Technologies, 13, Article 46.
- Zindani, D., Lakshminarayanan, A. K., & Joshua, A. (2025). Acoustic emission approach to optimize friction stir additive manufacturing process for magnesium alloy ZE41. Frontiers in Mechanical Engineering, 11, Article 1412251.
2024
- Lakshminarayanan, A. K., Vishwa, S., Selvam, S., & Sivaraj, P. (2024). Role of oscillation frequency and amplitude on the microstructure and properties of linear friction welded nickel aluminium bronze joints. Physica Scripta, 99(6), 065926.
- Krishna, A. V., Lakshminarayanan, A. K., Vasantharaja, P., & Vasudevan, M. (2024). Deciphering the Indentation Creep Characteristics and the Metallurgical Aspects of the 9Cr1MoVNb (P91) and SS316LN Dissimilar Butt Joint. Journal of Materials Engineering and Performance, 1–23.
- Alwyn, A. M., Lakshminarayanan, A. K., & Rao, S. R. K. (2024). Decisive Effect of Gas Metal Arc Welding-Based Additive Manufacturing on the Bead Profile, Microstructure and Tensile Properties of Ni-Cr-Mo Components. Engineering Proceedings, 61(1), Article 10.
- Amalraj, J. A., et al. (2024). Studies on In Situ Alloy Formation Using Mild Steel–Inconel 625 Twin Filler Wire Gas Tungsten Arc Weld Deposition. Engineering Proceedings, 61(1), Article 28.
- Lakshminarayanan, A. K. (2024). Assessment of tribocorrosion properties of friction extruded wires fabricated from recycled magnesium alloy chips. Materials Today: Proceedings, 98, 112–118.
2023
- Abhilash, V., & Lakshminarayanan, A. K. (2023). Friction stir lap joining techniques effects on microstructure and tensile properties of high-strength automotive steel top hat sections. Materials Research Express, 10(2), 026505.
- Lakshminarayanan, A. K., Vishwa, S., & Selvam, S. (2023). Unraveling the role of micro-arc oxidation process factors on the corrosion resistance of magnesium alloy microtubes. Materials Today: Proceedings, 72, 2450–2455.
- Meenachi, P., Subashini, R., Lakshminarayanan, A. K., & Gupta, M. (2023). Comparative study of the biocompatibility and corrosion behaviour of pure Mg, Mg Ni/Ti, and Mg 0.4 Ce/ZnO2 nanocomposites for orthopaedic implant applications. Materials Research Express, 10(5), 056503.
- Venkatakrishna, A., Lakshminarayanan, A. K., Vasantharaja, P., & Vasudevan, M. (2023). Unravelling the microstructure–indentation creep resistance relationships for friction stir welded modified 9Cr-1Mo steel and LN-type 316 stainless-steel dissimilar joints. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 237(8), 1735–1748.
2022
- Lakshmikhanth, R. S., & Lakshminarayanan, A. K. (2022). On the mechanical, microstructural, and corrosion properties of pulsed gas tungsten arc and friction stir welded RZ5 rare earth grade magnesium alloy. Materials Research Express, 9(12), 126507.
- Lakshminarayanan, A. K., Ramachandran, S., Rajabharathi, B., & Mirihanage, W. (2022). Decisive influence of critical process parameters on the microstructure and tensile properties of friction stir back extruded magnesium alloy tubes. Journal of Manufacturing Processes, 73, 207–219.
- Lakshminarayanan, A. K., Ramachandran, S., Rajabharathi, B., & Ram, M. (2022). Harnessing Friction Stir Back Extrusion process to fabricate microtubes from as-cast Mg–4Zn–0.7Zr-1.6RE magnesium alloy. Surface Topography: Metrology and Properties, 10(2), 025018.
- Rajasekaran, R., Lakshminarayanan, A. K., Vasudevan, M., & Raja, P. V. (2022). Stress Corrosion Cracking Susceptibility of 316LN Grade Stainless Steel Weld Joint in Boiling Magnesium Chloride Hexahydrate Environment. Metals and Materials International, 28(11), 2778–2797.
2021
- Bakkiyaraj, M., Lakshminarayanan, A. K., & Yuvaraj, S. (2021). Effect of friction time on tensile strength and metallurgical properties of friction welded dissimilar aluminum alloy joints. Materials Testing, 63(12), 1097–1103.
- Meenachi, P., Subashini, R., Lakshminarayanan, A. K., & Gupta, M. (2021). In vitro degradation, haemolysis and cytotoxicity study of Mg‐0.4Ce/ZnO2 nanocomposites. IET Nanobiotechnology, 15(8), 681–690.
- Rajasekaran, R., Lakshminarayanan, A. K., Venkatakrishna, A., & Radhika, K. (2021). Study of Infrared Thermography on Tensile Behavior of Laser Beam Welded 316LN Austenitic Stainless Steel. Trends in Manufacturing and Engineering Management, 779–787.
- Ramachandran, S., Lakshminarayanan, A. K., & Reed, P. A. S. (2021). Application of Imaging Techniques to Determine the Post-Yield Behaviour of the Heterogeneous Microstructure of Friction Stir Welds. Experimental Mechanics, 61(6), 945–958.
- Sivashanmugam, N., Harikrishna, K. L., Rao, S. R. K., & Lakshminarayanan, A. K. (2021). Corrosion behaviour of friction stir welded rare earth magnesium alloy ZE41 under salt spray test. AIP Conference Proceedings, 2395(1), 030009.
- Venkatakrishna, A., Lakshminarayanan, A. K., Radhika, K., & Rajasekaran, R. (2021). Characterizing the Tensile Deformation Behavior of Friction Stir Welded Dissimilar Joints Using Acoustic Emission Technique. Trends in Manufacturing and Engineering Management, 767–778.
- Venkatakrishna, A., Lakshminarayanan, A. K., Vasantharaja, P., & Vasudevan, M. (2021). Decisive impact of Filler-free joining processes on the Microstructural evolution, tensile and impact properties of 9Cr-1Mo-V-Nb to 316 L(N) dissimilar joints. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 235(21), 5821–5834.
2020
- Daniel, S. C. J., & Lakshminarayanan, A. K. (2020). Comparative Study of Friction Stir Welding and Underwater Friction Stir Welding on Magnesium ZE41 Alloy. Trends in Manufacturing and Engineering Management, 755–766.
- Lakshminarayanan, A. K., & Daniel, C. J. (2020). Influence of Friction Stir Welding Variants on Crashworthiness of Friction Stir Welded Aluminium Top Hat Sections. Materials Science Forum, 979, 97–101.
- Lakshminarayanan, A. K., & Harikrishna, K. L. (2020). Role of Overlap Ratio on the Microstructure of Friction Stir Multiseam Cladded Copper-Stainless Steel Lap Joints. Materials Science Forum, 979, 102–106.
- Lakshminarayanan, A. K., & Jayakumar, K. S. (2020). Use of Friction Extrusion to Fabricate Magnesium Alloy Wires with Rare Earths from Machined Chips. Materials Science Forum, 979, 119–123.
- Lakshminarayanan, A. K., Rajasekaran, R., & Menaka, M. (2020). Correlation between Tensile Deformation Behavior and Microstructural Morphology of Nuclear Grade Austenitic Stainless Steel Weld Joints using Infrared Thermography Technique. Welding Technology Review, 92(1), 7–15.
- Lakshminarayanan, A. K., Rao, S. R., Sridhar, K., & Vignesh, A. (2020). On the Microstructure and Erosion Corrosion Behavior of Laser Processed Nickel Aluminium Bronze. Materials Science Forum, 979, 157–161.
- Radhika, K., & Lakshminarayanan, A. K. (2020). An insight into the stress corrosion cracking resistance of friction stir processed and micro arc oxidation coated ZE41 grade magnesium alloy. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 234(24), 4887–4901.
- Rajasekaran, R., & Lakshminarayanan, A. K. (2020). Probing the stress corrosion cracking resistance of laser beam welded AISI 316LN austenitic stainless steel. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 234(18), 3612–3624.
- Rajasekaran, R., Lakshminarayanan, A. K., & Damodaram, R. (2020). Stress Corrosion Cracking Failure of Friction Stir Welded Nuclear Grade Austenitic Stainless Steel. Engineering Failure Analysis, 116, 105012.
- Ramachandran, S., & Lakshminarayanan, A. K. (2020). An insight into microstructural heterogeneities formation between weld subregions of laser welded copper to stainless steel joints. Transactions of Nonferrous Metals Society of China, 30(3), 727–745.
- Ramesh, S., Lakshminarayanan, A. K., Raghavan, Y., & Harathi, Y. (2020). Fabrication and Numerical Analysis of Friction Stir Back Extruded Lightweight Magnesium Alloy Heat Pipes. Materials Science Forum, 979, 129–134.
- Srinivas, V. K., & Lakshminarayanan, A. K. (2020). On the Local Constitutive Behavior of Friction Stir Welded AISI 304 Stainless Steel Joints. Materials Science Forum, 979, 107–113.
- Venkatakrishna, A., Lakshminarayanan, A. K., & Menaka, M. (2020). Analysis of Tensile Deformation Behavior in Friction Stir Welded P91-316LN Dissimilar Joints Using Infrared Thermography. Materials Science Forum, 979, 114–118.
2019
- Barani, B., Lakshminarayanan, A. K., & Subashini, R. (2019). Microstructural characteristics of chitosan deposited AZ91 magnesium alloy. Materials Today: Proceedings, 16, 456–462.
- Koganti, R., Lakshminarayanan, A. K., & Ramprabhu, T. (2019). Understanding the Effect of Tool Rotational Speed on Microstructure and Mechanical Properties of Friction Stir Processed ZE41 Grade Magnesium Alloy. Advances in Materials and Metallurgy, 427–435.
- Rajasekaran, R., Lakshminarayanan, A. K., Vasudevan, M., & Vasantharaja, P. (2019). Role of welding processes on microstructure and mechanical properties of nuclear grade stainless steel joints. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 233(10), 2092–2108.
- Ramachandran, S., Dulieu-Barton, J. M., Reed, P. A. S., & Lakshminarayanan, A. K. (2019). A combined full-field imaging and metallography approach to assess the local properties of friction stir welded (FSW) copper-stainless steel joints. Archives of Civil and Mechanical Engineering, 19(1), 251–267.
- Ramachandran, S., Lakshminarayanan, A. K., Reed, P. A. S., & Dulieu-Barton, J. M. (2019). Development of High-Fidelity Imaging Procedures to Establish the Local Material Behaviour in Friction Stir Welded Stainless Steel Joints. Metals, 9(5), Article 592.
- Saranarayanan, R., Lakshminarayanan, A. K., & Venkatraman, B. (2019). A combined full-field imaging and metallography approach to assess the local properties of gas tungsten arc welded copper—stainless steel joints. Archives of Civil and Mechanical Engineering, 19(1), 251–267.
- Sekkappan, C., Valsaraj, V., & Lakshminarayanan, A. K. (2019). Enhancement of properties of pure lead via underwater friction stir processing for thermoelectric and battery applications. Kovove Materialy, 57(6), 415–427.
2017
- Alwin, B., Lakshminarayanan, A. K., Vasudevan, M., & Vasantharaja, P. (2017). Assessment of Stress Corrosion Cracking Resistance of Activated Tungsten Inert Gas-Welded Duplex Stainless Steel Joints. Journal of Materials Engineering and Performance, 26(12), 5825–5836.
- Lakshminarayanan, A. K., & Annamalai, V. E. (2017). Fabrication and performance evaluation of dissimilar magnesium–aluminium alloy multi-seam friction stir clad joints. Transactions of Nonferrous Metals Society of China, 27(1), 25–35.
- Murugan, A., Sai Santhosh, R., Raju, R., Lakshminarayanan, A. K., & Albert, S. K. (2017). Dissimilar and Similar Laser Beam and GTA Welding of Nuclear Fuel Pin Cladding Tube to End Plug Joint. Advanced Engineering Forum, 24, 40–47.
- Prabhuraj, P., Rajakumar, S., Lakshminarayanan, A. K., & Balasubramanian, V. (2017). Evaluating stress corrosion cracking behaviour of high strength AA7075-T651 aluminium alloy. Journal of the Mechanical Behavior of Materials, 26(3-4), 105–112.
- Rajabharathi, B., Lakshminarayanan, A. K., & Ramprabhu, T. (2017). Impact of friction diffusion welding parameters on the properties of rare earth containing magnesium alloy tube-tube plate welds. Journal of Alloys and Compounds, 712, 355–364.
2016
- Lakshminarayanan, A. K. (2016). Enhancing the properties of friction stir welded stainless steel joints via multi-criteria optimization. Archives of Civil and Mechanical Engineering, 16, 605–617.
2015
- Archish, R., Lakshminarayanan, A. K., & Annamalai, V. E. (2015). Optimum welding conditions for dissimilar spot friction joining of Aluminium-Interstitial free steel joints. Applied Mechanics and Materials, 787, 396–400.
- Ezhil Vendhan, B., Hari Krishna, K. L., & Lakshminarayanan, A. K. (2015). Numerical Simulation on Effect of Impact Velocity and Target Thickness in Magnesium Alloy AZ31B. Applied Mechanics and Materials, 787, 291–295.
- Jayaraman, R., Balusamy, T., & Lakshminarayanan, A. K. (2015). Assessment of Microstructure and Wear Resistance of Friction Stir Processed Cast Mg-Al-Zn Magnesium Alloy. Applied Mechanics and Materials, 787, 416–420.
- Jolly, J. C., Srinivas, V. K., & Lakshminarayanan, A. K. (2015). Corrosion Resistance of Friction Stir Processed AZ91D Magnesium Alloy under a Salt Fog Environment. Applied Mechanics and Materials, 787, 426–430.
- Lakshminarayanan, A. K., & Suresh, M. (2015). Thermal Performance Evaluation of Friction Stir Welded Flat Plate Heat Sink Using CFD Analysis. Applied Mechanics and Materials, 787, 505–509.
- Lakshminarayanan, A. K., Annamalai, V. E., & Elangovan, K. (2015). Identification of optimum friction stir spot welding process parameters controlling the properties of low carbon automotive steel joints. Journal of Materials Research and Technology, 4(3), 262–272.
- Lakshminarayanan, A. K., Saranarayanan, R., Srinivas, V. K., & Venkatraman, B. (2015). Characteristics of friction welded AZ31B magnesium–commercial pure titanium dissimilar joints. Journal of Magnesium and Alloys, 3(4), 315–321.
- Lakshminarayanan, A. K., Suresh, M., & Varshan, M. S. (2015). Thermal Performance Evaluation of Friction Stir Welded and Bolted Cold Plates with Al/Cu Interface. JOM, 67(5), 1032–1044.
- Manimaran, G., Lakshminarayanan, A. K., & Balaji, S. (2015). Understanding the Parameters Controlling the Resistance Spot Welding of DP980 Steel. Applied Mechanics and Materials, 787, 411–415.
- Maniraj, K., & Lakshminarayanan, A. K. (2015). Wear mitigation in cast magnesium alloy through flyash reinforced friction stir surface compositing. Applied Mechanics and Materials, 787, 627–631.
- Nallusamy, N. (Ed.). (2015). Alternative Energy Sources, Materials and Technologies. Trans Tech Publications Ltd.
- Shanmugasundaram, A., Lakshminarayanan, A. K., & Annamalai, V. E. (2015). Microstructure and Tensile Properties of Friction Stir and Gas Tungsten Arc Welded AZ91D Magnesium Alloy Joints. Applied Mechanics and Materials, 787, 470–474.
- Srinivas, K., Saranarayanan, R., Lakshminarayanan, A. K., & Srinivasan, N. (2015). Zone wise properties of friction stir welded copper–stainless steel joints using Digital Image Correlation. Applied Mechanics and Materials, 787, 485–489.
- Vignesh, A., Vijay Prakaash, V. G., & Lakshminarayanan, A. K. (2015). Improving Wear Resistance of AISI 316LN Austenitic Stainless Steel Using Friction Stir Processing. Applied Mechanics and Materials, 787, 421–425.
- Vijay Prakaash, V. G., Vignesh, A., & Lakshminarayanan, A. K. (2015). Role of Induction Preheating on Tool Wear and Properties of Friction Stir Welded 409M Stainless Steel Joints. Applied Mechanics and Materials, 787, 401–405.
2014
- Lakshminarayanan, A. K., Ramachandran, C. S., & Balasubramanian, V. (2014). Feasibility of surface-coated friction stir welding tools to join AISI 304 grade austenitic stainless steel. Defence Technology, 10(4), 360–370.
2013
- Balasubramanian, V., Lakshminarayanan, A. K., & Malarvizhi, S. (2013). Effect of Welding Processes on Fatigue Behaviour of AISI 409M Grade Ferritic Stainless Steel Joints. Advanced Materials Research, 794, 391–412.
- Elangovan, K., Annamalai, V. E., & Lakshminarayanan, A. K. (2013). Evaluation of Micro Structure and Tensile Shear Load of Friction Stir Spot Welded Automotive Steel. Manufacturing Technology Today, 12(8), 17–22.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2013). Process Parameters Optimisation for Friction Stir Welding of AISI 409M Grade Ferritic Stainless Steel. Experimental Techniques, 37(5), 59–73.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2013). Use of DL-EPR Test to Assess Sensitization Resistance of AISI 409M Grade Ferritic Stainless Steel Joints. Journal of Materials Engineering and Performance, 22(8), 2293–2303.
2012
- Lakshminarayanan, A. K., & Balasubramanian, V. (2012). Assessment of fatigue life and crack growth resistance of friction stir welded AISI 409M ferritic stainless steel joints. Materials Science and Engineering: A, 539, 143–153.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2012). Assessment of sensitization resistance of AISI 409M grade ferritic stainless steel joints using Modified Strauss test. Materials & Design, 39, 175–185.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2012). Characteristics of Laser Beam and Friction Stir Welded AISI 409M Ferritic Stainless Steel Joints. Journal of Materials Engineering and Performance, 21(4), 530–539.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2012). Evaluation of Microstructure and Mechanical Properties of Laser Beam Welded AISI 409M Grade Ferritic Stainless Steel. Journal of Iron and Steel Research, International, 19(1), 72–78.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2012). Influences of welding processes on microstructure and mechanical properties of modified 12 wt% Cr ferritic stainless steel. International Journal of Manufacturing Research, 7(4), 331–353.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2012). Sensitization resistance of friction stir welded AISI 409 M grade ferritic stainless steel joints. The International Journal of Advanced Manufacturing Technology, 59(9-12), 929–936.
- Lakshminarayanan, A. K., Balasubramanian, V., & Reddy, G. M. (2012). On the fatigue behaviour of electron beam and gas tungsten arc weldments of 409M grade ferritic stainless steel. Materials & Design, 35, 760–769.
2011
- Lakshminarayanan, A. K., & Balasubramanian, V. (2011). Comparison of electron beam and friction stir weldments of modified 12 wt% ferritic stainless steel. Materials and Manufacturing Processes, 26(6), 868–877.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2011). Tensile and Impact Toughness Properties of Gas Tungsten Arc Welded and Friction Stir Welded Interstitial Free Steel Joints. Journal of Materials Engineering and Performance, 20(1), 82–89.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2011). Understanding the parameters controlling friction stir welding of AISI 409M ferritic stainless steel. Metals and Materials International, 17(6), 969–981.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2011). Understanding the Role of FSW Process Parameters on Strength Properties of Ferritic Stainless Steel Joints. Manufacturing Technology Today, 10(2), 10–18.
- Lakshminarayanan, A. K., Balasubramanian, V., & Reddy, G. M. (2011). Microstructure and mechanical properties of electron beam-welded AISI 409M-grade ferritic stainless steel. The International Journal of Advanced Manufacturing Technology, 55(1-4), 153–162.
- Lakshminarayanan, A. K., Malarvizhi, S., & Balasubramanian, V. (2011). Developing friction stir welding window for AA2219 aluminium alloy. Transactions of Nonferrous Metals Society of China, 21(11), 2339–2347.
2010
- Lakshminarayanan, A. K., & Balasubramanian, V. (2010). An assessment of microstructure, hardness, tensile and impact strength of friction stir welded ferritic stainless steel joints. Materials & Design, 31(10), 4592–4600.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2010). Comparison of Friction Stir and Gas Tungsten Arc Weldments of Modified 12 wt.% Cr Ferritic Stainless Steel. Steel Research International, 81(11), 1023–1033.
- Lakshminarayanan, A. K., Balasubramanian, V., & Salahuddin, M. (2010). Microstructure, Tensile and Impact Toughness Properties of Friction Stir Welded Mild Steel. Journal of Iron and Steel Research, International, 17(10), 68–74.
2009
- Balasubramanian, V., Lakshminarayanan, A. K., Varahamoorthy, R., & Babu, S. (2009). Application of response surface methodology to prediction of dilution in plasma transferred arc hardfacing of stainless steel on carbon steel. Journal of Iron and Steel Research, International, 16(1), 44–53.
- Jayaraman, M., Sivasubramanian, R., Balasubramanian, V., & Lakshminarayanan, A. K. (2009). Application of RSM and ANN to predict the tensile strength of Friction Stir Welded A319 cast aluminium alloy. International Journal of Manufacturing Research, 4(3), 306–323.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2009). Comparison of RSM with ANN in predicting tensile strength of friction stir welded AA7039 aluminium alloy joints. Transactions of Nonferrous Metals Society of China, 19(1), 9–18.
- Lakshminarayanan, A. K., Balasubramanian, V., & Elangovan, K. (2009). Effect of welding processes on tensile properties of AA6061 aluminium alloy joints. The International Journal of Advanced Manufacturing Technology, 40(3-4), 286–296.
- Lakshminarayanan, A. K., Shanmugam, K., & Balasubramanian, V. (2009). Effect of autogenous arc welding processes on tensile and impact properties of ferritic stainless steel joints. Journal of Iron and Steel Research, International, 16(1), 62–66.
- Lakshminarayanan, A. K., Shanmugam, K., & Balasubramanian, V. (2009). Effect of Welding Processes on Fatigue Crack Growth Behaviour of AISI 409M Ferritic Stainless Steel Joints using ASS Fillers. Journal of the Mechanical Behavior of Materials, 19(5), 307–322.
- Lakshminarayanan, A. K., Shanmugam, K., & Balasubramanian, V. (2009). Effect of welding processes on fatigue crack growth behaviour of AISI 409M ferritic stainless steel joints fabricated using duplex stainless steel fillers. Fatigue & Fracture of Engineering Materials & Structures, 32(8), 656–664.
- Lakshminarayanan, A. K., Shanmugam, K., & Balasubramanian, V. (2009). Effect of welding processes on tensile, impact, hardness and microstructure of joints made of AISI 409M FSS base metal and AISI 308L ASS filler metals. Ironmaking & Steelmaking, 36(1), 75–80.
- Lakshminarayanan, A. K., Shanmugam, K., & Balasubramanian, V. (2009). Effect of Welding Processes on Tensile and Impact Properties, Hardness and Microstructure of AISI 409M Ferritic Stainless Joints Fabricated by Duplex Stainless Steel Filler Metal. Journal of Iron and Steel Research, International, 16(5), 66–72.
- Lakshminarayanan, A. K., Shanmugam, K., & Balasubramanian, V. (2009). Fatigue Crack Growth Behavior of Gas Metal Arc Welded AISI 409 Grade Ferritic Stainless Steel Joints. Journal of Materials Engineering and Performance, 18(7), 917–924.
- Shanmugam, K., Lakshminarayanan, A. K., & Balasubramanian, V. (2009). Effect of weld metal properties on fatigue crack growth behaviour of gas tungsten arc welded AISI 409M grade ferritic stainless steel joints. International Journal of Pressure Vessels and Piping, 86(8), 517–524.
- Shanmugam, K., Lakshminarayanan, A. K., & Balasubramanian, V. (2009). Tensile and Impact Properties of Shielded Metal Arc Welded AISI 409M Ferritic Stainless Steel Joints. Journal of Materials Science & Technology, 25(2), 181–186.
2008
- Balasubramanian, V., & Lakshminarayanan, A. K. (2008). The mechanical properties of the GMAW, GTAW and FSW joints of the RDE-40 aluminium alloy. International Journal of Microstructure and Materials Properties, 3(6), 837–853.
- Balasubramanian, V., Lakshminarayanan, A. K., Varahamoorthy, R., & Babu, S. (2008). Understanding the parameters controlling plasma transferred arc hardfacing using response surface methodology. Materials and Manufacturing Processes, 23(7), 674–682.
- Balasubramanian, V., Shanmugam, K., & Lakshminarayanan, A. K. (2008). Effect of autogenous arc welding processes on fatigue crack growth behaviour of ferritic stainless steel joints. ISIJ International, 48(4), 489–495.
- Jayaraman, M., Sivasubramanian, R., Balasubramanian, V., & Lakshminarayanan, A. K. (2008). Prediction of tensile strength of friction stir welded A356 cast aluminium alloy using response surface methodology and artificial neural network. Journal for Manufacturing Science and Production, 9(1-2), 45–60.
- Lakshminarayanan, A. K., & Balasubramanian, V. (2008). Process parameters optimization for friction stir welding of RDE-40 aluminium alloy using Taguchi technique. Transactions of Nonferrous Metals Society of China, 18(3), 548–554.
- Lakshminarayanan, A. K., Balasubramanian, V., Varahamoorthy, R., & Babu, S. (2008). Predicting the dilution of plasma transferred arc hardfacing of stellite on carbon steel using response surface methodology. Metals and Materials International, 14(6), 779–789.
- Lakshminarayanan, A. K., Shanmugam, K., & Balasubramanian, V. (2008). Fatigue Crack Growth Behavior of AISI 409M Grade Ferritic Stainless Steel Welded Joints Using Austenitic, Ferritic and Duplex Stainless Steel Electrodes. ISIJ International, 48(11), 1640–1646.
In refereed National Journals
- Sai Santhosh, R., Aravind, M., Divya, M., Lakshminarayanan, A. K., & Albert, S. K. (2019). Study on Effect of Weld Cooling Rate on Fusion Zone Microstructure and Solidification Cracks in 316L Austenitic Stainless Steel. Indian Welding Journal, 52(1), 45–52.
- Prabhuraj, P., Rajakumar, S., Balasubramanian, V., Sridhar, K., & Lakshminarayanan, A. K. (2016). Mechanical and Corrosion Behaviour of Friction Stir Welded AA7075 T-651 Aluminium Alloy Joints. Journal of Manufacturing Engineering, 11(4), 234–238.
- Jayaraman, M., Sivasubramanian, R., Balasubramanian, V., & Lakshminarayanan, A. K. (2009). Optimization of process parameters for friction stir welding of cast aluminium alloy A319 by Taguchi method. Journal of Scientific and Industrial Research, 68(1), 36–43.
- Mahendran, G., Balasubramanian, V., Senthilvelan, T., & Lakshminarayanan, A. K. (2008). Developing Empirical Relationships to Predict Diffusion Layer Thickness, Hardness and Strength of Al-Cu Dissimilar Joints. Indian Welding Journal, 41(3), 37–45.
- Jayaraman, M., Sivasubramanian, R., Balasubramanian, V., & Lakshminarayanan, A. K. (2008). Process Parameter Selection for Friction Stir Welding of Cast A413 Aluminium Alloy Using Taguchi Experimental Design. Manufacturing Technology Today, 7(12), 3–10.
- Jayaraman, M., Sivasubramanian, R., Balasubramanian, V., & Lakshminarayanan, A. K. (2008). Optimization of Friction Stir Welding Process Parameters to Weld Cast A356 Aluminium Alloy: Taguchi’s Design of Experiments Approach. Indian Welding Journal, 41(2), 34–41.
- Balasubramanian, V., & Lakshminarayanan, A. K. (2007). Comparison of response surface model with neural network in predicting the tensile strength of friction stir welded RDE-40 aluminium alloy. Journal on Design and Manufacturing Technologies, 1(1), 12–23.
Books Edited
- Seshadri, R. C., & Lakshminarayanan, A. K. (Eds.). (2025). Properties and Applications of Surfaces/Components Engineered Using Thermal Spray, Welding, and Directed High Energy Beam Technologies. Coatings (MDPI), Special Issue.
Editors: Dr Ramachandran Chidambaram Seshadri, Department of Materials Science and Engineering, Stony Brook University, USA; and Dr A. K. Lakshminarayanan, Department of Mechanical Engineering, SSN College of Engineering, Chennai, India. - Rao, S. R. K., Lakshminarayanan, A. K., Harikrishna, K. L., Poovazhagan, L., & Jayakumar, K. S. (Eds.). (2022). Recent Trends in Manufacturing Technologies, Materials Processing and Testing. AIP Conference Proceedings, Vol. 2395. AIP Publishing.
- Lakshminarayanan, A. K. (SSN College of Engineering, Chennai, India), Idapalapati, S. (Nanyang Technological University, Singapore), & Vasudevan, M. (Indira Gandhi Centre for Atomic Research, Kalpakkam, India) (Eds.). (2018). Advances in Materials and Metallurgy: Select Proceedings of ICEMMM 2018. Lecture Notes in Mechanical Engineering. Springer Nature.
- Nallusamy, N., Suresh, M., Rajkumar, S., & Lakshminarayanan, A. K. (Eds.). (2015). Alternative Energy Sources, Materials and Technologies. Trans Tech Publications.
Awards
Awards Received / Recognitions
- Industry-Sponsored ESAB Chair Faculty in Welding Technologies (2024–2027).
- Recognised among the World’s Top 2% Scientists in the field of Materials, as published jointly by Elsevier and Stanford University, for five consecutive years (2020–2024).
- Recipient of the Panthaki Memorial Award for the Best Technical Paper at the National Welding Seminar organised by the Indian Institute of Welding, during 2014–2015.
- Recipient of the Best Faculty Award on four occasions from SSN Management in recognition of outstanding contributions to teaching and research during the academic years 2013–2014, 2014–2015, 2016–2017, and 2017–2018.
- Recipient of the Certificate of Appreciation from Taylor & Francis, USA, on three occasions for outstanding contributions as a reviewer during the academic years 2013–2014, 2014–2015, and 2015–2016.
- Recipient of the Viswanathan Iyer Prize for the Best Ph.D. Thesis in Manufacturing Engineering, awarded by Annamalai University during 2012–2013.
- Recipient of the DST–SERC Young Scientist Research Grant worth ₹21.3 lakhs for the project titled Development of Friction Stir Welding Tools for Joining Stainless Steel (2010).
- Recipient of the UGC Non-SAP Research Fellowship for Meritorious Students from July 2008 to January 2010.
- Recipient of the Best Paper Presentation Award (IWS2K8) at the International Welding Symposium organized by the Indian Welding Society, New Delhi, 2008.
- Recipient of the Ramasamy Padayachi Endowment Prize from Annamalai University for securing First Rank in M.E. (Manufacturing Engineering), 2006
Membership
Membership in Professional Bodies
- Life Member of Indian Welding Society (IWS – LM198) and Executive Member of IWS, Annamalai Nagar Chapter during 2009-2011.
- Life Member of The Indian Institute of Welding (IIW), Membership No. CHN/M/R-14954/L
Area of Research
Area of Research
- Metal Additive Manufacturing (WAAM, GTAW, Twin Wire WAAM)
- Welding Engineering
- Friction Stir Welding
- Advanced Materials Processing
- Surface Engineering
- Corrosion and Failure Analysis
- Materials Testing & Characterization
- Welding Automation and Robotics
Research Guidance
- PhD Guidance: 6 – completed, 1 -Ongoing:
- Postdoctoral scholars: 1 – Completed
Teaches
- Engineering Graphics,
- Manufacturing Technology – I,
- Manufacturing Technology – II,
- Computer Integrated Manufacturing Systems,
- Engineering Materials and Metallurgy,
- Theory of Metal Forming;
- Advances in Casting and Welding processes;
- Materials Testing and characterisation,
- Non-Destructive Testing,
- Mechatronics and Automation,
- Smart Materials and structures,
- Additive Manufacturing,
- Sensors, actuators and automation.
Links
Links
Google Scholar: https://scholar.google.co.in/citations?hl=en&user=fnnxDgUAAAAJ&view_op=list_works&sortby=pubdate
Scopus: www.scopus.com/authid/detail.url?authorId=23088739900
ORCID: https://orcid.org/0000-0002-8839-6753
LinkedIn: https://www.linkedin.com/in/lakshminarayanan-a-k-3b985923/?isSelfProfile=false
