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Electrodeposition and Characterization of Nanocrystalline Ni-Fe Alloys
Department of Metallurgy, Faculty of Engineering, Cairo University.
Department of Metallurgy, Faculty of Engineering, Cairo University.
KTH, School of Information and Communication Technology (ICT), Material Physics, Functional Materials, FNM.
Department of Metallurgy, Faculty of Engineering, Cairo University.
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2011 (English)In: Journal of Nanomaterials, ISSN 1687-4110, E-ISSN 1687-4129, 519274- p.Article in journal (Refereed) Published
Abstract [en]

Nanocrystalline Ni-Fe deposits with different composition and grain sizes were fabricated by electrodeposition. Deposits with iron contents in the range from 7 to 31% were obtained by changing the Ni(2+)/Fe(2+) mass ratio in the electrolyte. The deposits were found to be nanocrystalline with average grain size in the range 20-30 nm. The surface morphology was found to be dependent on Ni(2+)/Fe(2+) mass ratio as well as electroplating time. The grains size decreased with increasing the iron content, especially in case of short time electroplating. Increasing the electroplating time had no significant effect on grain size. The microhardness of the materials followed the regular Hall-Petch relationship with amaximum value (762 Hv) when applying Ni(2+)/Fe(2+) mass ratio equal to 9.8.

Place, publisher, year, edition, pages
2011. 519274- p.
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-92428DOI: 10.1155/2011/519274ISI: 000298426800001Scopus ID: 2-s2.0-79959221533OAI: oai:DiVA.org:kth-92428DiVA: diva2:514071
Note
QC 20120405Available from: 2012-04-05 Created: 2012-04-02 Last updated: 2017-12-07Bibliographically approved

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