Electroplating of Ni4W

T. M. Sridhar*, N. Eliaz, E. Gileadi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

Nickel-tungsten alloys were electrodeposited on stationary working electrodes from a nickel sulfate, sodium tungstate, and tri-sodium citrate-based bath under different operating conditions. The microstructure of the deposits was studied by X-ray diffraction, the morphology by scanning electron microscopy and atomic force microscopy, and the approximate composition by energy dispersive spectroscopy. Different Ni-W phases, either amorphous or crystalline, were associated with different plating conditions. A body-centered tetragonal Ni4W phase was formed only at high temperatures and low current density. This is the first time that the formation of this phase by electroplating was observed repeatedly.

Original languageEnglish
Pages (from-to)C58-C61
JournalElectrochemical and Solid-State Letters
Volume8
Issue number3
DOIs
StatePublished - 2005

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