ABSTRACT
This paper aims to identify a friction model able to describe the friction coefficient at the interface between the tool, the chip and workpiece during the dry cutting of a AISI316L austenitic stainless steel with TiN coated carbide tools. A new tribometer has been designed in order to reach relevant values of pressures, temperatures and sliding velocities. This set-up is based on a modified pin-on-ring system. Additionally a numerical model simulating the frictional test has been associated in order to identify local phenomena around the spherical pin, from the standard macroscopic data provided by the experimental system. It has been shown that the friction coefficient is mainly dependant on the sliding velocity, whereas the pressure has a secondary importance. Finally a new friction model has been identified based on this local sliding velocity.
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Bonnet, C., Valiorgue, F., Rech, J. et al. Development of a friction modelling method in dry cutting of AISI 316L austenitic stainless steels. Int J Mater Form 1 (Suppl 1), 1211–1214 (2008). https://doi.org/10.1007/s12289-008-0159-0
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DOI: https://doi.org/10.1007/s12289-008-0159-0