Effect of tartrate salt concentration on the morphological characteristics and composition of Cu-Zn electroless plating on zamak 5 zinc alloy
作者： C. Domínguez-Ríos , M.V. Moreno , R. Torres-Sánchez , Wilber Antúnez , A. Aguilar-Elguézabal
DOI: 10.1016/J.SURFCOAT.2008.04.069
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摘要: Abstract This work reports the characterization of brass coatings deposited by an electroless process on zamak-5 alloy substrate. The results show that increase in tartrate salt concentration bath promotes copper deposition rate. It was observed that, with less concentrations salt, Cu/Zn atomic ratio is always than one, a slight across coating thickness. In prepared from solutions greater concentration, Zn deposits at higher rates beginning deposition, however after certain thickness, one. change composition affects bulk and surface morphology coatings, which were analyzed using Scanning Electron Microscopy (SEM) X-Ray Diffraction (XRD) showed strong metallic weak CuZn5 (e-phase) diffraction lines.
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