A Computational Wear Model of the Oblique Impact of a Ball on a Flat Plate
الموضوعات :M Akhondizadeh 1 , M Fooladi Mahani 2 , S.H Mansouri 3 , M Rezaeizadeh 4
1 - Mechanical Engineering Department of Shahid Bahonar, University of Kerman
2 - Mechanical Engineering Department of Shahid Bahonar, University of Kerman
3 - Mechanical Engineering Department of Shahid Bahonar, University of Kerman
4 - Graduate University of Advanced Technology ,Kerman
الکلمات المفتاحية: Contact, Impact wear, Wear modeling, Steel, Indentation,
ملخص المقالة :
Many wearing processes are a result of the oblique impacts. Knowing the effective impact parameters on the wear mechanism would be helpful to have the more reliable designs. The H-DD (Hertz-Di Maio Di Renzo) nonlinear model of impact followed by the time increment procedure is used to simulate the impact process of a ball on a flat plate. Restitution parameters are extracted and compared with the experimental data to ensure the accuracy of the impact model. The constant parameters of a wear equation are determined by comparing the results with the experimental data. The results obtained suggest that this simulation method could be used as a predictive way to study the practical design problems and to explain some phenomena associated with impact erosion.
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