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Due to the complicated contact loading at the tool-chip interface, ceramic tool wear in prestressed machining superalloy is rare difficult to evaluate only by experimental approaches. This study aims to develop a methodology to predict the tool wear evolution by using combined FEM and DEM numerical simulations. Firstly, a finite element model for prestressed cutting is established, subsequently a discrete element model to describe the toolchip behaviour is established based on the obtaineddoi:10.1051/matecconf/20168004001 fatcat:rcrfhlni3nh6dmovt7pp6w6k54