Abstract
The attempt of this paper is to present an effective approach for the optimization of the shot peening process of welded AISI 304 austenitic stainless steel with multi performance characteristics using Grey relational analysis (GRA) based on Taguchi orthogonal array. Twenty-seven experimental runs are performed to determine best process parameters level. An analysis of variance (ANOVA) is carried out to identify significant peening parameters. The response tables are obtained for analyzing the optimal levels of shot peening parameters and major factors that affect the quality function. The multiple performance characteristics including tensile strength, surface hardness and surface roughness are the quality functions considered for the optimization. Further mathematical models are developed using regression analysis for the tensile strength, surface hardness and surface roughness. It will be very helpful to the engineers in deciding the levels of the shot peening parameters for desired performance characteristics.
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Lakhwinder Singh presently works in YMCA University of Science & Technology, Faridabad, Haryana (India) as an Associate Professor in Department of Mechanical Engineering. His M.E. is from Punjab Engineering College, Chandigarh (India) in the field of Rotodynamic Machines. He submitted Ph.D work in Jamia Millia Islamia, New Delhi (India) in the field of shot peening. He has published 15 papers in international and national journals/conferences.
R. A. Khan is presently a Professor in the Department of Mechanical Engineering in Jamia Millia Islamia, New Delhi (India). He has published about 150 research papers in various International/national journals and conferences in the field of design, mechanism and dynamics of equipment.
M. L. Aggarwal did his M.Tech from IIT, New Delhi in specialization of Design of Mechanical Equipment and then Ph.D from Jamia Millia Islamia, New Delhi (India). He has published about 15 papers in international and national journals, 30 papers in international and national conferences and 2 books in the area of design and manufacturing. He is presently working as Professor in Department of Mechanical Engineering in YMCA University of Science & Technology, Faridabad, Haryana (India).
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Singh, L., Khan, R.A. & Aggarwal, M.L. Empirical modeling of shot peening parameters for welded austenitic stainless steel using grey relational analysis. J Mech Sci Technol 26, 1731–1739 (2012). https://doi.org/10.1007/s12206-012-0434-3
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DOI: https://doi.org/10.1007/s12206-012-0434-3