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Analysis of tribological parameters during machining

Article dans une revue avec comité de lecture
Author
BAHI, Slim
MOUFKI, Abdelhadi
1104 Laboratoire de physique et mécanique des matériaux [LPMM]
NOUARI, Mohammed
MOLINARI, Alain
1104 Laboratoire de physique et mécanique des matériaux [LPMM]
ccEL MANSORI, Mohamed
85714 Laboratoire de Mécanique et Procédés de Fabrication [LMPF]

URI
http://hdl.handle.net/10985/6554
DOI
10.1007/s12289-009-0497-6
Date
2009

Abstract

In this paper, a hybrid analytical-numerical approach is performed for the orthogonal cutting process. The modelling of the thermomechanical material flow in the primary shear zone, the tool-chip contact length and the sliding-sticking zones are obtained from an analytical approach. In addition, the Finite Element method is used to solve the non linear thermal problem in the chip. Our aim is to propose an approach which can easily be used to identify the main parameters governing tool wear and to explain the experimental trends. The effects of cutting conditions and material behaviour on the sliding-sticking zones and on the temperature distribution along the tool-chip interface can be evaluated from this approach. It has been found that the sliding-sticking zones at the tool-chip interface strongly control the local conditions of stress, velocity and temperature

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