Investigations on the flank wear and modelling of the contact radius effect in turning of Ti6Al4V titanium alloy
TypeCommunications avec actes
Machining of difficult-to-cut materials like Ti6Al4V titanium alloy leads to significant flank wear on the cutting tool. In order to ensure the respect of final part specifications, flank wear has to be controlled. In literature, predictive models had been developed. However, these models can be enhanced by taking into account new parameters depending on the part geometry. This study deals with the analysis of the contact radius effect on flank wear. Results highlight that the contact radius favors the flank wear. Afterwards, a phenomenological model is proposed and improves flank wear modelling.
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Mechanistic cutting force model including the stress state induced by the chip flow contribution for cylindrical turning on Ti6Al4V alloy with two different nose radii DORLIN, Théo; FROMENTIN, Guillaume; COSTES, Jean-Philippe; KARAOUNI, Habib (2016)Force modelling is a major research topic in machining. Several approaches are used to face with the different needs. Mechanistic models appear to be an easier and rapid way for computing cutting forces; nevertheless they ...
Analysis and Modelling of the Contact Radius Effect on the Cutting Forces in Cylindrical and Face Turning of Ti6Al4V Titanium Alloy DORLIN, Théo; FROMENTIN, Guillaume; COSTES, Jean-Philippe (CIRP, 2015)Cutting forces are representative data to characterize machining operations.They have to be known to perform the part manufacturing. Therefore, cutting forces predictive models are useful and it is possible to optimize ...
Generalised cutting force model including contact radius effect for turning operations on Ti6Al4V titanium alloy DORLIN, Théo; FROMENTIN, Guillaume; COSTES, Jean-Philippe (Springer, 2016)Current constraints on aeronautical parts have led to the introduction of materials like titanium alloys as well as new part geometries featuring large dimensions and reduced thickness. Inappropriate cutting forces during ...
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Constitutive model incorporating the strain-rate and state of stress effects for machining simulation of titanium alloy Ti6Al4V CHENG, Wenyu; OUTEIRO, José; COSTES, Jean-Philippe; M’SAOUBI, Rachid; KARAOUNI, Habib; DENGUIR, Lamice; ASTAKHOV, Viktor; AUZENAT, François (Elsevier, 2018)Ti6Al4V titanium alloy is widely used in aero-engines due to its superior performance. However, as a difficult-to-cut alloy, it induces short cutting tool life and poor surface integrity. To improve these process outcomes, ...