Influence of the Interface Temperature and Strain Gradients on the Impact Energy Model of a Soft Particle on a Hard Substrate during Kinetic Spraying

In this study, the individual particle impact behaviors of a soft particle on a hard substrate during a kinetic spraying operation were observed. The ratio of the bonds was compared to the difference between the adhesion and rebound energies. To improve the existing model, the equation for the effective yield stress was modified and a finite element analysis was applied to estimate the temperature and strain gradients. The energy difference was derived from the strain and temperature of the elements and compared to the experimental ratio of the bonds.