FRACTURE TOUGHNESS AND YIELD DATA FROM TIPPED-PENDULUM GROOVING DATA

摘要

All cutting is a branch of elastoplastic fracture mechanics [1] and the present paper analyses the forces and energy consumed when a groove is cut by a pointed scratching tool fixed to a pendulum. The model enables both yield stress and fracture toughness to be determined simultaneously. Experiments from the literature are described and analysed.