Abstract
Metal cladding is a process of depositing a filler material to enhance the surface properties of base material using a suitable welding process. In this work the clad specimens are produced by surfacing a layer of filler material using weld cladding process to minimize the heat loss across the walls of the pressure vessels. It is done by depositing a low thermal conductivity austenitic stainless steel grade of 316L on structural steel plates used for boiler construction using flux cored arc welding process. The experimental study is carried out as per design of experiments availed for five factors five levels central composite design using response surface methodology. The mathematical models are developed for the prediction of clad layer height, clad layer width and depth of penetration. These models are employed in formulating fitness functions for multi-objective optimization of clad layer dimensions using genetic algorithm (GA). The set of optimal solutions suggested by response surface optimizer and genetic algorithm are compared and discussed. Conformity tests are conducted to validate the prediction capability of developed models and optimum settings. Optimum clad layer dimensions have been arrived and optimized stainless steel clad specimen has been produced. The heat transfer analysis is planned to be conducted in the next phase. The findings can be used in energy efficient design of pressure vessels.
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M. Sowrirajan graduated in Mechanical Engineering from Anna University, Chennai, India in 2007 and received his Masters in Engineering Design from Anna University, Coimbatore, India in 2011. He is currently an Assistant Professor in the Department of Mechanical Engineering in Coimbatore Institute of Engineering and Technology, Coimbatore, India. His area of research is application of weld cladding processes to reduce the heat loss in high temperature environments and currently extending his knowledge by undergoing Ph.D. studies in weld cladding.
S. Vijayan graduated B.E. Mechanical Engineering from VLB Janakiammal College of Engineering and Technology, Coimbatore in 2006 and he completed M.E. Engineering Design in Anna University of Technology, Coimbatore in 2011. Currently he is pursuing his Ph.D. in solar dryer. He is having more than 5 years of experience in teaching and research activities in solar thermal applications. He has published more than 8 research papers in international, national journals and conferences. At present he is working as Assistant Professor at Coimbatore Institute of Engineering and Technology, Coimbatore.
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Sowrirajan, M., Koshy Mathews, P. & Vijayan, S. Simultaneous multi-objective optimization of stainless steel clad layer on pressure vessels using genetic algorithm. J Mech Sci Technol 32, 2559–2568 (2018). https://doi.org/10.1007/s12206-018-0513-1
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DOI: https://doi.org/10.1007/s12206-018-0513-1