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  • Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați
  • Fascicula IX
  • 1993 -2018
  • 2015 fascicula9 nr4
  • Vezi articolul
  •   Pagina principală
  • Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați
  • Fascicula IX
  • 1993 -2018
  • 2015 fascicula9 nr4
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Surfasce Roughness and Topography of Ni/Micro-Sic Layers: Influence of Current Density on Electrodeposition Process

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Dată
2015
Autor
Ciubotariu, Alina
Benea, Lidia
Sand, Wolfgang
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Abstract
The surface properties are directly responsible for the performance of engineering materials because most of failures such as friction, wear, corrosion and fatigue often take place on the material surface. Electrodeposition technique is of great interest for industrial usage because it produces functional and protective coatings with low cost and easy control. The present work has the purpose to evaluate roughness and to analyze surfaces of Ni / micro-SiC composite layers obtained at different parameters for electrodeposition. The layers were electroplated from a Watts bath with a suspension of SiC particles (mean diameter size of particles 30 μm) by adding 5g/L of particles. Electrodeposition took place at 40 oC and a current density of 2 A/dm2 and 4 A/dm2 for 1h. The suspension bath was stirred by a mechanical stirrer at a constant rotational speed of about 500 rpm. The roughness and topography of the layers were evaluated by atomic force microscopy (AFM) method.
URI
http://10.11.10.50/xmlui/handle/123456789/5254
Colecții
  • 2015 fascicula9 nr4 [11]

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