Morphology of Nickel Matrix Composite Coatings with Nano- Silicon Dispersion Phase
Keywords:
nickel, silicon, nano, composite coatings, electrodeposition, microhardness
Abstract
In this paper is presented the morphology of nickel metal layers, nickel matrix composite and particles dispersed phase, obtained by electrodeposition on steel base, using nickel sulphate as electrolyte. Nickel anodes used were of 99.9% purity. Experimental investigations were carried out at the temperature of 293 K and various current densities for 1h, with different stirring rates of electrolyte and silicon powder concentrations. The coatings were deposited on a carbon steel substrate which was kept vertically in the solution.
The inclusion of silicon particles about 50 nm led to significant hardening of nickel composite matrix.
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References
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[2]. R. C. Agarwal, Vijaya Agarwal - Electroless alloy/composite coatings: A review, Sadhana, volume 28, issue 3-4, pages 475-493, 2001.
[3]. J. Kubisztal, A. Budniok - Electrolytical production of Ni + Mo + Si composite coatings with enhanced content of Si, Applied Surface Science, volume 252, pages 8605–8610, 2006.
[4]. C. Kerr, D. Barker, F. Walsh, J. Archer - The electrodeposition of composite coatings based on metal matrixincluded particle deposits, Transactions of the Institute of Metal Finishing A., vol. 78, issue 5, pages 171-178, 2000.
[5]. M. Musiani - Electrodeposition of composites: an expanding subject in electrochemical materials science, Electrochimica Acta, volume 45, pages 3397-3402, 2000.
[6]. M. Srivastava, V.K.W. Grips, A. Jain and K.S. Rajam - Influence of SiC particle size on the structure and tribological properties of Ni-Co composites, Surface and Coatings Technology, volume 202, issue 2, pages 310-318, 2007.
[7]. C.T.J. Low, R.G.A. Wills, F. C. Walsh - Electrodeposition of composite coatings containing nanoparticles in a metal deposit, Surface and Coatings Technology, volume 201, pages 371-383, 2006.
[8]. S.T. Aruna, V.K. William Grips, K.S. Rajam - Ni-based electrodeposited composite coating exhibiting improved microhardness, corrosion and wear resistance properties, Journal of Alloys and Compounds volume 468, pages 546–552, 2009.
[9]. T. Borkara, S. Harimkar - Effect of electrodeposition conditions and reinforcement content on microstructure and tribological properties of nickel composite coatings, Surface and coatings Technology, volume 205, issues 17-18, pages 4124-4134, 2011.
[10]. I Garcia, J.-P Celis - Electrodeposition and sliding wear resistance of nickel composite coatings containing micron and submicron SiC particles, Surface and Coatings Technology, volume 148, issue 2-3, pages 171-178, 2000.
Published
2011-09-15
How to Cite
1.
ISTRATE G, ALEXANDRU P, MITOSERIU O, MARIN M. Morphology of Nickel Matrix Composite Coatings with Nano- Silicon Dispersion Phase. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Sep.2011 [cited 13Nov.2024];34(3):38-1. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/2937
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