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Ciencia e Ingeniería Neogranadina
versión impresa ISSN 0124-8170versión On-line ISSN 1909-7735
Resumen
TOMACHUK DOS SANTOS CATUOGNO, Célia Regina y RAMON DI SARLI, Alejandro. INFLUENCE OF THE DEPOSITION PARAMETERS ON THE ZnCo COATINGS COMPOSITION. Cienc. Ing. Neogranad. [online]. 2010, vol.20, n.1, pp.23-32. ISSN 0124-8170.
The main purpose of this paper was to study the morphology and crystalline structure of a ZnCo coating achieved by pulsed current electroplating and comparing them with those deposits prepared using direct current. The plating bath contained chloride ions and acid pH. The deposit crystalline morphology and structure was investigated by means of Scanning Electron Microscopy and X Ray Diffraction respectively, but the zinc quantity was determined by Inductively Coupled Plasma Spectroscopy. The experimental results showed free-deposition parameters for deposit morphology but not its cobalt content. Pulsed current deposits showed higher content of Co and crystalline orientation different of that obtained using direct current. The additive quantity required in the bath was smaller using pulsed current.
Palabras clave : ZnCo coatings; electrodeposition; pulsed current.