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Journal of Nanomaterials
Volume 2011 (2011), Article ID 519274, 8 pages
Research Article

Electrodeposition and Characterization of Nanocrystalline Ni-Fe Alloys

1Department of Metallurgy, Faculty of Engineering, Cairo University, Giza 12613, Egypt
2Functional Materials Division, Royal Institute of Technology, 16440, Stockholm, Sweden
3Metals Technology Department, Central Metallurgical Research & Development Institute (CMRDI), El-Tebbin, Helwan 11421, Egypt

Received 20 November 2010; Accepted 19 January 2011

Academic Editor: Donglu Shi

Copyright © 2011 R. Abdel-Karim et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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 Ni2+/Fe2+ 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 Ni2+/Fe2+ 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 a maximum value (762 Hv) when applying Ni2+/Fe2+ mass ratio equal to 9.8.