Berlin 2015 – scientific programme

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DS: Fachverband Dünne Schichten

DS 36: Poster Session I

DS 36.57: Poster

Thursday, March 19, 2015, 09:30–12:00, Poster A

The influence of current density on properties of Ni-Co coating — •Hida Rassaie and Sina Sadreddini — Department of Materials Science and Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.

Electrodeposited Nickel-Cobalt alloys are exposed to investigate the relationship between applied current density, Co content, microstructure and corrosion resistance. Direct current electrodeposition was applied to create compact coatings. The surface morphology was changed from a mixture of needles to a spherical to sphere by increasing the deposition current density. The current density increase was found to have a reverse effect on Co content, with the percentage of Co decreasing gradually from approximately 64.6 to 55.2 wt%. The corrosion behavior of Ni-Co depositions in chloride solution was affected by Co content and surface morphology.