Journal
SCIENTIA IRANICA
Volume 29, Issue 3, Pages 1210-1220Publisher
SHARIF UNIV TECHNOLOGY
DOI: 10.24200/sci.2022.58091.5560
Keywords
SMAT; Shot velocity; Vibration frequency; Vibration amplitude; FEM
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This study numerically investigated the factors affecting average shot velocity in the Surface Mechanical Attrition Treatment (SMAT) process. A numerical model was developed using the finite element method, and the effects of frequency, amplitude, and projection distance parameters on shot velocity were simulated. Response Surface Methodology (RSM) and ANOVA tables were used for evaluation. The results showed that apart from frequency and amplitude, projection distance also had a significant impact on shot velocity.
In this study, factors affecting average shot velocity in the Surface Mechanical Attrition Treatment (SMAT) process were investigated numerically. The numerical model was developed by using the finite element method. The effects of frequency, amplitude, and projection distance parameters on shot velocity were simulated. Response Surface Methodology (RSM) was used to evaluate the simulation results. ANOVA tables were used for statistical evaluation. Moreover, the regression equations derived from simulation results were compared with the theoretical equations. Besides, the effect of the amount of shot in the SMAT chamber on the velocity of the shot is simulated. The results showed that apart from frequency and amplitude, projection distance also had a significant impact on shot velocity. (C) 2022 Sharif University of Technology. All rights reserved.
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