• Dr. S. Rajakumar
  • Dr. S. Rajakumar
  • Annamalai University, India
  • Title: FRICTION SURFACING FOR ENHANCED SURFACE PROTECTION OF MARINE ENGINEERING COMPONENTS
  • Abstract: FS is known since the 1950s but was abandoned due to the emerging of other technologies. However, it attracted much interest in the last decade as a solid state technology capable of depositing materials which is of great value in industry. FS is a well established technology to produce coatings, repair worn parts or manufacture functionally graded materials (FGM’s). FS is a relatively recent surface engineering technology that can be applied to many metals including Aluminum, Magnesium, Iron, Copper, Titanium, and Nickel-based alloys. When applied to cast metals, FS can eliminate casting defects such as porosity and improve the mechanical properties of their surfaces. FS is an adaptation of Friction Stir Welding (FSW), a solid-state joining process invented by Wayne Thomas at The Welding Institute UK (TWI) in 1991. FS as well as FSW, does not melt the metal that is processed, and it is a solid-state process. FS is a thermo-mechanical process which involves rubbing a rotating consumable rod against a substrate under an applied axial load. It can be performed in several positions since it does not involve fusion and present fast cooling rates. FS utilizes consumable cylindrical tool (Mechtrode) rotated with certain rpm. The Mechtrode is rotated and had contact with material surface due to the combination of frictional and adiabatic heating mechtrode got consumed and get deposited over the substrate material. The resultant was the homogenous, uniformly distributed and refined grain structures. The volume of material processed in this manner has improved properties, such as increased strength, ductility and corrosion resistance. FS is currently being studied for many specific surface engineering applications.
  • Biography: Dr S. Rajakumar is an Assistant Professor, Centre for Materials Joining and Research (CEMAJOR) in the Department of Manufacturing Engineering, Annamalai University, Annamalai Nagar India. He has published over 30 papers in reputed international and national journals and 20 presentations at both national and international conferences in the field of materials joining and surface engineering. Three of his research papers has been ranked in top 25 articles in Elsevier publications. As of 2015, Google Scholar reports over 300 citations to his work. He has given numerous invited talks and chair the sessions, especially delivered his lecture in Turkey as a keynote speaker on his credit. He is the recipient of a young scientist award received from the Department of Science and Technology (DST) and received a Research Award from University Grants Commission (UGC), Government of India. He has received many research & development projects from UGC, DST and Defence Research and Development Organization (DRDO) projects. He is serving as an advisory board committee member for several international and national conferences. His areas of interest include metal joining processes and microelectronics and mechanical system (MEMS). He served as a Treasurer and Secretary for Indian Welding Society (IWS).
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Conference:
April 17-19, 2016
Paper or Abstract Submission Due:
November 4, 2015  >> March 7, 2016
Early Bird Registration due for Accepted Paper or Abstract: 10 days after acceptance notification
Early Bird Registration due for Audience: February 2, 2016
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