Calibration of Damage Model Parameters for the Simulation of Scratch Abrasion

Scratch abrasion is an abrasive wear mechanism in which a sharp indenting body penetrates and slides through the counter material. The stress state in the vicinity of the indenter is multiaxial and non-proportional and determines the involved damage mechanism. This stress state evolution cannot be investigated experimentally. Hence, the authors investigate scratch abrasion by means of finite element analysis fed with a continuum damage model, which transforms the complex stress trajectory into material degradation and removal. The damage model parameters must be experimentally calibrated in the range of stress states to mimic the damage during scratch abrasion. This work explains different calibration procedures that are adapted to calibrate damage models parameters for simulation of scratch abrasion.