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The study of Ni-Co ally deposition on iron powder particles in a fluidized bed from sulphate bath

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F06%3A00016811" target="_blank" >RIV/00216224:14310/06:00016811 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The study of Ni-Co ally deposition on iron powder particles in a fluidized bed from sulphate bath

  • Original language description

    This paper describes a process of electrolytic deposition of Ni-Co binary alloy on Fe powder. Electrochemical behavior of this binary alloy was studied by cyclic voltammetry (CV) with a paraffin impregnated graphite electrode (PIGE) as a working electrode. Deposition of individual metals (Ni, Co), as well as the simultaneous nickel-cobalt co-deposition, was performed in aqueous solutions (Watts-type electrolyte) both with and without Fe powder. Special attention was paid to the influence of suspension density on the electrode process. This density affects on the quality of iron powder electroplating. Preferential deposition of the less noble metal (Co) leading to its higher content in the deposit was observed in contrast to the more noble one (Ni) in spite of higher content of Ni in the plating solution. Understanding the anomalous behavior would lead to better control of the deposition process and to explanation of the mechanism of Ni-Co co-deposition.

  • Czech name

    Studie Ni-Co slitinové depozice na železném prášku z fluidní síranové lázně

  • Czech description

    Práce popisuje proces elektrolytické depozice Ni-Co binární slitiny na železném prášku. Elektrochemické chování této slitiny bylo studováno pomocí cyklické voltametrie na parafinem impregnované grafitové elektrodě. Speciální pozornost byla věnnována vlivu suspenzní hustoty Fe prášku na elektrodový proces.Preferenční depozice méně ušlechtilého kovu (Co), směřující k vyššímu obsahu depositu, byla pozorována i přesto, že koncentrace Ni v roztoku byla vyšší než Co. Pochopení anomálního chování může vést k lepší kontrole depozitního procesu a k objasnění mechanismu spoluvylučování Ni+Co.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CG - Electrochemistry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    J. Solid State Electrochemistry

  • ISSN

    1432-8488

  • e-ISSN

  • Volume of the periodical

    10

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    7

  • Pages from-to

    423-429

  • UT code for WoS article

  • EID of the result in the Scopus database