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Shot peening leads to local plastic deformations in the near-surface regions, which result in the development of compressive residual stress and the improvement of surface hardness in the aerospace structural components. These properties can be enhanced by careful selection of the peening parameters. PMG Cover of AL2024 Aluminum Alloy is widely used in the generator manufacturing cover due to its high specific static strength. In this study a Taguchi Grey Relational Analysis is presented to optimize the surface properties of residual stress, micro hardness. The effects of four peening parameters (Shot Diameter, Shot Velocity, Impact Angle, Nozzle Distance) on micro hardness and residual stress are investigated Design of Experiment work is carried out by MINITAB 14 software tools of Taguchi Grey relational method, for getting excellent shot peening process parameter combination by MAT LAB R2009 software tools of advanced Optimization method as Genetic Algorithm, Simulated Annealing. Compare of the above reading for the investigation.

Parameter Optimization of Shot Peening Process of PMG AL2024 Alloy Cover