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Electroless nickel plating
About: Electroless nickel plating is a research topic. Over the lifetime, 1593 publications have been published within this topic receiving 14940 citations.
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TL;DR: In this paper, a simple and controlled method, that is, by electroless plating, nickel has been deposited on the surfaces of silicon carbon nanoparticles, and the deposited nickel and silicon carbide nanoparticles are bound tightly.
Abstract: By a simple and controlled method, that is, by electroless plating, nickel has been deposited on the surfaces of silicon carbon nanoparticles. Energy dispersive spectrometry (EDS) spectra show that pre-treatments of the silicon carbide nanoparticles have an important influence on the effect of electroless nickel plating. Transmission electron microscopy images and EDS spectra of silicon carbide nanoparticles before and after electroless nickel plating reveal that nickel has been deposited on the surface of silicon carbide nanoparticles and the deposited nickel and silicon carbide nanoparticles are bound tightly.
77 citations
TL;DR: In this article, the Fered-Fenton method was adopted to remediate the citrate, and then alkaline precipitation was utilized to remove the freed nickel ions, and the chemical oxidation demand (COD) of citric acid could be efficiently reduced by approximately 95% using 1080mM H2O2 (dosed in continual mode) and 20mM ferrous ions at a current density of 190m−2 ([citric acid] = 100mM and [Ni] = 500mM].
76 citations
TL;DR: In this article, an environmentally-friendly procedure has been introduced for electroless nickel plating on AZ61 magnesium alloy, which was firstly etched in nitric acid and then treated in a Cerium-lanthanum-permanganate (CLP) conversion coating bath.
Abstract: In this paper, an environmentally-friendly procedure has been introduced for electroless nickel plating on AZ61 magnesium alloy. Magnesium alloy was firstly etched in nitric acid and then treated in a Cerium–lanthanum–permanganate (CLP) conversion coating bath. Finally, the electroless Ni–P deposition was carried out on the conversion coating from a sulfate solution. The microstructure of the CLP conversion coating was observed using Scanning Electron Microscopy (SEM), while the composition was analyzed by Energy Dispersive X-Ray Spectroscopy (EDX). Subsequently, deposited Ni–P coating was also characterized by its chemical composition, crystalline structure, morphology, and corrosion resistance. A uniform and amorphous nickel coating with high phosphorus content was successfully deposited on the pre-applied chemical conversion coating on the AZ61 alloy. An obvious passivation occurred for the nickel coating during the anodic polarization in 3.5 wt.% NaCl solution. Compared with the bare and CLP treated substrates, the Ni–P deposits showed more nobler corrosion potential and also lower corrosion current density. Open circuit potential (OCP) measurements and electrochemical impedance spectroscopy (EIS) experiments were carried out in 3.5 wt.% NaCl to determine the real anticorrosion performance of the Ni–P deposits.
75 citations
TL;DR: Nickel coated carbon fibres, the best conductive fillers for electromagnetic interference (EMI) shielding, were produced by electroless nickel plating, and were used for preparing composites of acrylonitrile-butadiene-styrene by polymer blending to test the EMI shielding effectiveness as discussed by the authors.
74 citations
TL;DR: In this article, a two-step electroless nickel plating method was proposed for complex 3D microstructures with sub-micron resolution, where charged Pd catalyst complexes were first deposited on oppositely charged functional surfaces, and then were reduced to elemental nickel selectively where the Pd complex was deposited on the surface.
Abstract: Selective electroless nickel plating was demonstrated at the micron scale on 3-D surface microstructures using a two-step method. The 3-D patterned and functional surface microstructures consisted of microparticles, polyelectrolyte multilayers, and self-assembled monolayers, which were built by microcontact printing and directed self-assemblies of polyelectrolytes and particles. Selectively nickel-plated surfaces were characterized with optical microscopy, X-ray photoelectron spectroscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. Charged Pd catalyst complexes were first deposited on oppositely charged functional surfaces, and then were reduced to elemental nickel (0) selectively where the Pd complex was deposited on the surface. In this work, it was demonstrated that selective electroless nickel plating on complex 3-D microstructures with submicron resolution could be achieved using a two-step electroless plating method.
71 citations