Flash temperature during impact of layered elastic solids

An analytical model to calculate the maximum flash temperature during oblique spherical impact of an elastic single layered solid is presented. The model is developed by combining the contact parameters obtained from a spherical impact model and flash temperature solution for the sliding contact interface of a layered solid. Dynamic thermomechanical finite element analysis is used to examine the validity of the analytical model with good success. The flash temperature, obtained when the coating is accounted for, is different from that when homogeneous material only is considered, and needs to be accounted for estimating flash temperatures during impact of layered media.