Abstract
In the accompanying paper (Papini M, Spelt JK. Impact of rigid angular particles with fully-plastic targets. Part I: Analysis. International Journal of Mechanical Sciences 2000;42(5):991–1006), the erosion of targets of arbitrary dynamic hardness and friction coefficient due to the impact of individual angular particles was analyzed with the purpose of predicting crater size, shape, and rebound parameters as a function of incident velocity, angle, particle orientation, and shape. A rigid-plastic model of impact was utilized, and the specific case of symmetric angular particles was studied in detail. In this paper, the model is used to predict crater size in a parametric study of the effect of particle size, shape, incident velocity and orientation, as well as target dynamic hardness and friction coefficient. A dimensional analysis revealed some useful relevant dimensionless parameters. The conditions which maximize the crater size are identified for both constant friction and frictionless surfaces. A parametric study is presented to identify the effects of the most important parameters and can be used as a tool to guide further experimentation.
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