John Arputharaj

John Arputharaj

School of Electrical and Mechanical Engineering

Faculty of Sciences, Engineering and Technology


My research centers on advanced manufacturing, particularly the Laser Powder Bed Fusion (L-PBF) of titanium alloys such as Ti6Al4V. My expertise lies in materials engineering, with a strong focus on material-property correlations and their impact on the performance of additively manufactured components. I have explored the manufacturability and geometric capabilities of thin cross-sections, the impact of process parameters, and the evolution of microstructures. My work includes investigating the continuous cooling characteristics of L-PBF Ti6Al4V at varying rates, correlating microstructural features with cooling rates through mathematical modeling. This research bridges the understanding of thermal and mechanical behaviors in metals to their resultant properties.

I am particularly passionate about studying the mechanical properties of additively manufactured materials, optimizing processes to enhance material performance, correlating it with it metallurgical processing and addressing challenges in defect formation. My work aims to contribute to applications in aerospace and biomedical industries by ensuring structural integrity, repeatability, and reliability in manufactured components.

  • Journals

    Year Citation
    2024 Arputharaj, J. D., Nafisi, S., & Ghomashchi, R. (2024). Printability and Geometric Capability of L-Pbf in Manufacturing Thin Circular Cross-Sections. Journal of Manufacturing Processes, 129, 319-340.
    DOI Scopus2
    2024 Basak, A. K., Kurdi, A., Radhika, N., Arputharaj, J., Prakash, C., Pramanik, A., & Shankar, S. (2024). Compressive mechanical properties of thermal sprayed AlCoCrFeNi high entropy alloy coating. Journal of Alloys and Compounds, 1003, 175721.
    DOI Scopus3
    2024 Arputharaj, J. D., Nafisi, S., & Ghomashchi, R. (2024). Additive manufacturing of continuous wave and pulsed wave L-PBF Ti64 thin cross sections. Progress in Additive Manufacturing, 24 pages.
    DOI
  • Conference Papers

    Year Citation
    2024 Arputharaj, J. D., Nafisi, S., & Ghomashchi, R. (2024). Effect of Laser Irradiation Mode on L-PBF Ti6Al4V Thin Sections. In Minerals, Metals and Materials Series (pp. 273-289). Online: Springer Nature Switzerland.
    DOI
    2023 Arputharaj, J. D., Nafisi, S., & Ghomashchi, R. (2023). LPBF Fabrication of Thin Cross Sections: Challenges and Printability. In Minerals, Metals and Materials Series (pp. 150-164). Online: Springer Nature Switzerland.
    DOI Scopus2

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