Friction welding is a solid-state joining process which is applied extensively because of its advantages such as low heat input, efficient application, ease in manufacturing, and environmental friendliness. The present study investigates the mechanical and metallurgical properties of UNS S32205 duplex stainless steel friction-welded joints. The process parameters, namely friction pressure, upsetting pressure, and rotational speed are individually varied from low level to high level (within the range of the machine setup) and their effects on the joint properties are analyzed. The partial-deformation zone had higher hardness than the weld and base metal. The toughness of the joints was evaluated at room temperature and at subzero temperature conditions. The impact toughness of the friction-welded joints was found to be superior to fusion-joined duplex stainless steel in room and cryogenic conditions.
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Puthuparambil Madhavan AJITH. He is a PhD candidate at Department of Production Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India. He obtained his Bachelor degree in 1994 from Mahatma Gandhi University, Kottayam, Kerala, India and Master degree in 2009 from National Institute of Technology, Tiruchirappalli, Tamil Nadu, India. He is also currently working as associate professor, Department of Mechanical Engineering, Rajiv Gandhi Institute of Technology Government Engineering college, Kottayam, Kerala, India. His research areas include welding and optimization of parameters with different technique.
Paulraj SATHIYA. He received his bachelor degree in 1994 on Mechanical Engineering from Government college of Engineering, Salem, University of Madras, India, his Master degree in 1996 on Welding Engineering from Regional Engineering College, Bharathidasan University, India, and his PhD degree in 2006 from Bharathidasan University, India. He is currently working as an associate professor in Department of Production Engineering and associate dean (Planning & Development) in National Institute of Technology, Trichy, Tamilnadu, India. He is working in the area of welding technology, solid state joining, materials behaviour subjected to welding, similar and dissimilar materials welding, failure analysis of weldments, modeling and simulation of welding processes, and welding parameter optimization. He received Young Technology Award 2009, from Indian Welding Society, India and also received Young Scientist Award from Department of Science and Technology, New Delhi, India. He has published sixty papers in international and national reputed journals and fifty papers in international and national conferences.
Sivanandam Aravindan. He received his Bachelor degree in Mechanical Engineering in 1990 from Bharathidasan University. He received Masters degree in Manufacturing Technology in 1993 from Annamalai University. He obtained PhD degree in 2000 from IITM, Chennai. After that, he did his post doctoral fellowship (JSPS) at Tokyo Institute of technology in Nano technology area. He is currently working as a associate professor in Department of Mechanical Engineering, Indian Institute of Technology Delhi, Delhi, India. He is working in the area of welding, advanced materials processing and nano manufacturing. He received 2 best paper awards in national and international conferences. He filed two Indian patents. He successfully completed two funded projects. He published fifty five papers in international and national reputed journals and seventy papers in International and national conferences.
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Ajith, P.M., Sathiya, P. & Aravindan, S. Characterization of microstructure, toughness, and chemical composition of friction-welded joints of UNS S32205 duplex stainless steel. Friction 2, 82–91 (2014). https://doi.org/10.1007/s40544-014-0042-6
- friction welding
- duplex stainless steel