Multi-physical analysis of the electrochemical behaviour of OFHC copper surfaces obtained by orthogonal cutting
Article dans une revue avec comité de lecture
Date
2020Journal
Corrosion Engineering, Science and TechnologyRésumé
As mechanical, physical, and microstructural properties of metals can be significantly affected by the machining process, electrochemical properties and corrosion resistance are consequently altered. Manufacturers should control the impact of cutting conditions on surface integrity, as it will affect the component’s functional performance and life. This study addresses the case of orthogonal cutting of oxygen-free high conductivity (OFHC) copper. A set of experiments was performed and a statistical analysis was conducted to reveal the relationship between the cutting conditions and the surface integrity in terms of residual stresses, microstructure, plastic deformation and hardness, and the impact of those parameters on the electrochemical behavior. The physical origins of the observed phenomena are explained. The results show that the surface performance can be controlled by selecting the appropriate cutting conditions (e.g., reducing the tensile residual stress and roughness by more than 75%), such that the electrochemical behavior can be enhanced.
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- LABOMAP_IJCE_2020_OUTEIRO.pdf
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- 2.424Mo
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Documents liés
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Communication avec acteDENGUIR, Lamice; VIGNAL, Vincent; BESNARD, Rémy;
FROMENTIN, Guillaume;
MARTINS DO OUTEIRO, Jose Carlos (Elsevier, 2016)
This work aims to develop an orthogonal cutting model for surface integrity prediction, which incorporates a new constitutive model of Oxygen Free High Conductivity (OFHC) copper. It accounts for the effects of the state ... -
Communication avec acteDENGUIR, Lamice; RECH, Joël; VIGNAL, Vincent; BESNARD, Rémy;
FROMENTIN, Guillaume;
MARTINS DO OUTEIRO, Jose Carlos (Elsevier, 2017)
Tribological behavior at both tool/chip and tool/work material interfaces should be highly considered while simulating the machining process. In fact, it is no longer accurate to suppose one independent constant friction ... -
Article dans une revue avec comité de lectureDENGUIR, Lamice; VIGNAL, Vincent; BESNARD, Rémy;
FROMENTIN, Guillaume;
MARTINS DO OUTEIRO, Jose Carlos (Elsevier, 2017)
Due to the rising interest in predicting machined surface integrity and sustainability, various models for metal cutting simulation have been developed. However, their accuracy depends deeply on the physical description ... -
Communication avec acteDENGUIR, Lamice; VIGNAL, Vincent; BESNARD, Rémy;
FROMENTIN, Guillaume;
MARTINS DO OUTEIRO, Jose Carlos (ELSEVIER, 2014)
Superfinishing machining has a particular impact on cutting mechanics, surface integrity and local electrochemical behavior. In fact, material removal during this process induces geometrical, mechanical and micro-structural ... -
Communication avec acteDENGUIR, Lamice; VIGNAL, Vincent; BESNARD, Rémy;
FROMENTIN, Guillaume;
MARTINS DO OUTEIRO, Jose Carlos (Elsevier, 2018)
Machining has a particular impact on the surface integrity and on corrosion resistance of components. In fact, material removal induces geometrical, mechanical and micro-structural modifications in the machined surface and ...