All Stories

  1. Environment-Induced Degradation in Maraging Steel Grade 18Ni1700

    Article • Materials Science Forum, December 2018, Trans Tech Publications

    Dr Devendranath Ramkumar, Nageswara Rao M Muktinutalapti

  2. Studies on the weldability, microstructure and mechanical properties of flux assisted Nd:YAG laser welds of AISI 904L

    Article • Journal of Materials Research, August 2015, Cambridge University Press

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  3. Characterization of microstructure and mechanical properties of continuous and pulsed current gas tungsten arc welded superaustenitic stainless steel

    Article • Journal of Materials Research, May 2015, Cambridge University Press

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  4. Effect of optimal weld parameters in the microstructure and mechanical properties of autogeneous gas tungsten arc weldments of super-duplex stainless steel UNS S32750

    Article • Materials & Design (1980-2015), February 2015, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  5. Investigations on the microstructure and mechanical properties of multi-pass pulsed current gas tungsten arc weldments of Monel 400 and Hastelloy C276

    Article • Materials & Design (1980-2015), December 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  6. Characterization of microstructure and mechanical properties of Super Ni 718 alloy and AISI 316L dissimilar weldments

    Article • Journal of Materials Research, November 2014, Springer Science + Business Media

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  7. Influence of filler metals and welding techniques on the structure–property relationships of Inconel 718 and AISI 316L dissimilar weldments

    Article • Materials & Design (1980-2015), October 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  8. Metallurgical and mechanical characterization of electron beam welded super-duplex stainless steel UNS 32750

    Article • Journal of Manufacturing Processes, October 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  9. Hot corrosion behavior of monel 400 and AISI 304 dissimilar weldments exposed in the molten salt environment containing Na2SO4 + 60% V2O5 at 600 °C

    Article • Materials Research, October 2014, FapUNIFESP (SciELO)

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  10. Characterization of Microstructure, Strength, and Toughness of Dissimilar Weldments of Inconel 625 and Duplex Stainless Steel SAF 2205

    Article • Acta Metallurgica Sinica (English Letters), August 2014, Springer Science + Business Media

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  11. Characterization of weld strength and impact toughness in the multi-pass welding of super-duplex stainless steel UNS 32750

    Article • Materials & Design (1980-2015), August 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  12. Characterization of Microstructure and Mechanical Properties of Inconel 625 and AISI 304 Dissimilar Weldments

    Article • ISIJ International, January 2014, Iron and Steel Institute of Japan

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  13. Investigations on Mechanical and Metallurgical Properties of Dissimilar Continuous GTA Welds of Monel 400 and C-276

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  14. Assessment of Mechanical Properties of AISI 4140 and AISI 316 Dissimilar Weldments

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  15. Mechanical Characterization of Monel 400 and 316 Stainless Steel Weldments

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  16. Assessment of Mechanical Properties of PCGTA Weldments of Inconel 625

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  17. Investigations on Dissimilar Weldments of Inconel 625 and AISI 304

    Article • Procedia Engineering, January 2014, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  18. Comparative studies on GTA and PCGTA weldments of AISI 4140 and AISI 316 dissimilar metals

    Article • International Journal of Microstructure and Materials Properties, January 2013, Inderscience Publishers

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  19. Hot Corrosion Behavior of Friction Welded AISI 4140 and AISI 304 in K2SO–60% NaCl Mixture

    Article • Journal of Material Science and Technology, October 2012, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  20. Hot Corrosion Studies of GTA Welded Monel 400 Exposed to Thin Film of Molten Na2so4 - 60% V2O5 at 600°C

    Article • Advanced Materials Research, October 2012, Trans Tech Publications

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  21. Effect of filler materials on the performance of gas tungsten arc welded AISI 304 and Monel 400

    Article • Materials & Design (1980-2015), September 2012, Elsevier

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  22. Assessment of Mechanical and Corrosion Properties of GTA Welded Monel 400 Plates Exposed to Air Oxidation at 700°C

    Article • Solid State Phenomena, February 2012, Trans Tech Publications

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  23. Influence of Filler Materials on Mechanical and Hot Corrosion Properties of Gas Tungsten Arc Welded AISI 304

    Article • Solid State Phenomena, February 2012, Trans Tech Publications

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  24. A Comparative Study of Oxidation and Hot Corrosion of Electron Beam Welded Low Alloy Steel and Stainless Steel in Different Corrosive Environments

    Article • January 2012, Springer Science + Business Media

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  25. Hot Corrosion Studies on Gas Tungsten Arc Welded AISI 304 and AISI 4140 Dissimilar Joints

    Article • January 2012, Springer Science + Business Media

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  26. Hot Corrosion Behavior of Dissimilar GTA Welded Monel 400 and AISI 304

    Article • January 2012, Springer Science + Business Media

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  27. Hot Corrosion Studies on Bimetallic Combinations of Monel 400 and AISI 304 Subjected to Molten Salt Environment

    Article • Advanced Materials Research, November 2011, Trans Tech Publications

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan

  28. Development of Defect Free Monel 400 Welds for Marine Application

    Article • Advanced Materials Research, November 2011, Trans Tech Publications

    Dr Devendranath Ramkumar, Dr Arivazhagan Natarajan