In-situ investigation of the surface-topography during anodic dissolution of copper under near-ECM conditions / M. Schneider in Materials and corrosion, Vol. 63 N° 2 (Fevrier 2012)  

Public ISBD [article]  inMaterials and corrosion > Vol. 63 N° 2 (Fevrier 2012) . - pp. 96–104 Titre : In-situ investigation of the surface-topography during anodic dissolution of copper under near-ECM conditions Type de document : texte imprimé Auteurs : M. Schneider, Auteur ; S. Schroth, Auteur ; N. Schubert, Auteur Année de publication : 2012 Article en page(s) : pp. 96–104 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : anodic copper dissolution  electrochemical machining  in-situ microscopy Résumé : Electrochemical machining is characterized by deliberate high speed anodic dissolution. The distance between anode and cathode are only a few hundred microns. Additionally, the electrolyte flow rate is in the range of approximately meter/second. A special electrochemical cell design was developed to investigate the surface topography during the anodic dissolution simultaneously and in-situ under near-ECM conditions. The anode was directly placed under the cathode with a gap of 350 µm. We carried out pulse experiments at 15 A/cm2 and 25 A/cm2 with an electrolyte flow rate of 4m/s. First-time it was possible to observe the surface changing of the anode directly during current pulses by using a video camera. Different stages e.g. roughening, film formation or gas evolution could be distinguished. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005716/abstract [article] In-situ investigation of the surface-topography during anodic dissolution of copper under near-ECM conditions [texte imprimé] / M. Schneider, Auteur ; S. Schroth, Auteur ; N. Schubert, Auteur . - 2012 . - pp. 96–104. Génie mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 63 N° 2 (Fevrier 2012) . - pp. 96–104 Mots-clés : anodic copper dissolution  electrochemical machining  in-situ microscopy Résumé : Electrochemical machining is characterized by deliberate high speed anodic dissolution. The distance between anode and cathode are only a few hundred microns. Additionally, the electrolyte flow rate is in the range of approximately meter/second. A special electrochemical cell design was developed to investigate the surface topography during the anodic dissolution simultaneously and in-situ under near-ECM conditions. The anode was directly placed under the cathode with a gap of 350 µm. We carried out pulse experiments at 15 A/cm2 and 25 A/cm2 with an electrolyte flow rate of 4m/s. First-time it was possible to observe the surface changing of the anode directly during current pulses by using a video camera. Different stages e.g. roughening, film formation or gas evolution could be distinguished. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005716/abstract

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