$Ni-W/ZrO_2$ nanocomposites obtained by ultrasonic DC electrodeposition

doi:10.1016/j.matdes.2015.04.049

$Ni-W/ZrO_2$ nanocomposites obtained by ultrasonic DC electrodeposition

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$Ni-W/ZrO_2$ nanocomposites obtained by ultrasonic DC electrodeposition

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Bibliographic description

title:	$Ni-W/ZrO_2$ nanocomposites obtained by ultrasonic DC electrodeposition
author:	Bełtowska-Lehman Ewa, Indyka Paulina , Bigos Agnieszka, Szczerba Maciej J., Kot Marcin
journal title:	Materials and Design
volume:	80
date of publication :	2015
pages:	1-11
ISSN:	0264-1275
eISSN:	1873-4197
DOI:	10.1016/j.matdes.2015.04.049
language:	English
journal language:	English
abstract in English:	Composite coatings consisting of a nanocrystalline Ni–W alloy matrix reinforced with ZrO2 particles (average size of 50 nm) were synthesized by electrochemical deposition assisted by an external ultrasonic field. The Ni–W/ZrO2 coatings were deposited from aqueous sulphate–citrate electrolytes containing zirconia nanopowder in suspension on steel substrates in a system with a rotating disk electrode (RDE). The influence of relevant processing parameters (i.e., concentration of zirconia powder in plating bath, current density, hydrodynamic conditions, ultrasonic field frequency) on the composite characteristics was discussed. Based on micromechanical (microhardness, Young’s modulus) and microstructural (morphology, phase composition, crystallite size) properties of the coatings, the conditions for electrodeposition of crack-free, homogeneous Ni–W/ZrO2 nanocomposites with enhanced functional properties have been developed.
keywords in English:	metal matrix nanocomposites, zirconia nanoparticles, ultrasonic electrodeposition, Ni–W coatings, Ni–W/ZrO2 composite coatings
number of pulisher's sheets:	1,3
affiliation:	Wydział Chemii : Zakład Chemii Nieorganicznej
type:	journal article
subtype:	academic paper

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