Article Dans Une Revue Journal of Manufacturing and Materials Processing Année : 2021

3D hybrid numerical model of residual stresses: Numerical—sensitivity to cutting parameters when turning 15-5PH stainless steel

Résumé

This paper investigates the residual stresses induced by a longitudinal turning operation in 15-5PH martensitic stainless steel. An experimental investigation has quantified the sensitivity of residual stresses to cutting speed, feed, tool geometry and tool flank wear. In parallel, a 3D hybrid model, previously developed, has been applied to each case study. This modelling approach consists of replacing tooling and chipping by equivalent thermal and mechanical loadings. These equivalent loadings are moved onto the machined surface to compute the final residual stress state. It has shown that tool geometry and tool flank wear have a dominant effect on residual stresses compared to cutting speed and feed rate. However, cutting speed influences the intensity of the compressive peak, to some extent, whereas feed influences the affected depth. This work has also shown that the 3D hybrid model is able to predict residual stresses, as well as the sensitivity to cutting parameters, with reasonable agreement.

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hal-03660044 , version 1 (06-12-2022)

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Alexandre Mondelin, Frédéric Valiorgue, Michel Coret, Joel Rech. 3D hybrid numerical model of residual stresses: Numerical—sensitivity to cutting parameters when turning 15-5PH stainless steel. Journal of Manufacturing and Materials Processing, 2021, 5 (3), ⟨10.3390/jmmp5030070⟩. ⟨hal-03660044⟩
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