Regression analysis of shot peening process for performance characteristics of AISI 304 austenitic stainless steel
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 5
Abstract
The surface fibers of the material are yielded in tension by the impact of shots in shot peening process. Below the surface fiber an even thin skin surface layer of material is deformed and this layer is highly stressed in compression. It results in the improvement of surface and mechanical properties of the material. Regression analysis is the statistical modeling technique, and it is suitable for the majority of predicting problems. It is valuable for quantifying the impact of various simultaneous influences upon a single dependent variable. In the present study quantification of performance characteristics were carried out, by developing the mathematical models of logarithmic nature using regression analysis. MINITAB 14 is a statistical tool which is used for the complete analysis. The analysis includes pressure, shot size, exposure time, nozzle distance and nozzle angle as process parameters. The complete analysis will be helpful to the manufacturer in deciding the shot peening parameters for desired performance characteristics. It helps the manufacturer to reduce the cost and improve its productivity.
Authors and Affiliations
Dr. Lakhwinder Singh, Dr. RA Khan, Dr. ML Aggarwal
Keywords
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