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Multi-physical analysis of the electrochemical behaviour of OFHC copper surfaces obtained by orthogonal cutting

Article dans une revue avec comité de lecture
Auteur
DENGUIR, Lamice A.
MARTINS DO OUTEIRO, Jose Carlos
ccFROMENTIN, Guillaume
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
521558 Laboratory for Machine Tools and Production Engineering [WZL]

URI
http://hdl.handle.net/10985/20276
DOI
10.1080/1478422x.2020.1836879
Date
2020
Journal
Corrosion Engineering, Science and Technology

Résumé

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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  • Laboratoire des Matériaux et Procédés (LaBoMaP)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Influence of cutting process mechanics on surface integrity and electrochemical behavior of OFHC copper 
    Communication avec acte
    DENGUIR, Lamice; ccFROMENTIN, Guillaume; MARTINS DO OUTEIRO, Jose Carlos; VIGNAL, Vincent; BESNARD, Rémy (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 ...
  • Experimental and numerical assessment of subsurface plastic deformation induced by OFHC copper machining 
    Article dans une revue avec comité de lecture
    MARTINS DO OUTEIRO, Jose Carlos; CAMPOCASSO, Sébastien; DENGUIR, Lamice; ccFROMENTIN, Guillaume; VIGNAL, Vincent; POULACHON, Gerard (Elsevier, 2015)
    Strain distributions in the machined surface and subsurface of OFHC copper workpieces were determined experimentally and through numerical simulations. An experimental setup, comprising a double frame camera and a pulsed ...
  • Orthogonal cutting simulation of OFHC copper using a new constitutive model considering the state of stress and the microstructure effects 
    Communication avec acte
    DENGUIR, Lamice; MARTINS DO OUTEIRO, Jose Carlos; ccFROMENTIN, Guillaume; VIGNAL, Vincent; BESNARD, Rémy (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 ...
  • Friction Model for Tool/Work Material Contact Applied to Surface Integrity Prediction in Orthogonal Cutting Simulation 
    Communication avec acte
    DENGUIR, Lamice; MARTINS DO OUTEIRO, Jose Carlos; RECH, Joël; ccFROMENTIN, Guillaume; VIGNAL, Vincent; BESNARD, Rémy (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 ...
  • A physical-based constitutive model for surface integrity prediction in machining of OFHC copper 
    Article dans une revue avec comité de lecture
    DENGUIR, Lamice; MARTINS DO OUTEIRO, Jose Carlos; ccFROMENTIN, Guillaume; VIGNAL, Vincent; BESNARD, Rémy (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 ...

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