Tribological Behavior of PVD Hard Coated Cutting Tools under Cryogenic Cooling Conditions
TypeArticles dans des revues avec comité de lecture
Cryogenic assistance is used to improve machining performance and to enhance tool life under extreme contact conditions (pressure and temperature). This paper focuses on the influence of cryogenic cooling conditions using liquid nitrogen within the context of machining Ti6Al4 V with CrN-coated carbide cutting tools. Friction behavior of both CrN-coated and uncoated pins with and without cryogenic cooling were evaluated using a home-made laboratory tribometer. The adhesive and plastic friction coefficients were evaluated using a finite element model of the pin-Ti6Al4 V system through an inverse methodology. Finally, the contribution of the CrN coatings was evaluated under both cryogenic cooling and dry conditions.
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Phenomenological study of multivariable effects on exit burr criteria during orthogonal cutting of AlSi alloys using principal components analysis RÉGNIER, Tristan; FROMENTIN, Guillaume; D'ACUNTO, Alain; OUTEIRO, José; MARCON, Bertrand; CROLET, Arnaud (ASME American Society of Mechanical Engineers, 2018)During machining, burrs are produced along a part’s edges, which can affect a final product lifetime or its efficiency. Moreover, time-consuming and expensive techniques are needed to be applied to remove such burrs. ...
LAZOGLU, Ismaïl; POULACHON, Gérard; RAMIREZ, Christophe; AKMAL, Mohammad; MARCON, Bertrand; ROSSI, Frédéric; OUTEIRO, José; KREBS, Michael (Elsevier, 2017)Ti-6Al-4V is commonly used especially in aerospace and biomedical industries. This alloy is known as a difficult-to-cut material. Due to its poor thermal properties, the heat generated during machining processes traps near ...
Experimental Investigation and Modelling of Burr Formation during Orthogonal Cutting of A356+0.5Cu Aluminium Alloy RÉGNIER, Tristan; FROMENTIN, Guillaume; OUTEIRO, José; MARCON, Bertrand; D'ACUNTO, Alain; CROLET, Arnaud (2016)Burr formation during parts manufacturing is a significant problem that companies try to minimise or eliminate. The present work aims to study the burr formation mechanisms in a cast aluminium alloy. Orthogonal cutting ...
Etude de la formation des bavures en coupe orthogonale à l’outil carbure dans un alliage d’Aluminium – Silicium. RÉGNIER, Tristan; FROMENTIN, Guillaume; OUTEIRO, José; MARCON, Bertrand; D'ACUNTO, Alain; CROLET, Arnaud (2016)Le but de cet article est d’étudier l’influence des paramètres de coupe sur la formation des bavures en coupe orthogonale. Pour ce faire, une étude en rabotage est réalisée avec des plaquettes carbures, sur un alliage ...
Fundamental study of exit burr formation mechanisms during orthogonal cutting of AlSi aluminium alloy RÉGNIER, Tristan; FROMENTIN, Guillaume; MARCON, Bertrand; OUTEIRO, José; D'ACUNTO, Alain; CROLET, Arnaud; GRUNDER, Timothée (Elsevier, 2018)Burr formation during machining is an important issue in industry. It causes an additional deburring operation, which is time consuming and has a negative economic impact. This study aims to analyse burr formation mechanisms ...