A Computational Wear Model of the Oblique Impact of a Ball on a Flat Plate

Subject Areas : Engineering

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

Received: 2013-02-26 Accepted : 2013-04-18 Published : 2013-06-30

Keywords: Contact, Impact wear, Wear modeling, Steel, Indentation,

Abstract :

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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