The electroless deposition of nickel on SiC particles for aluminum matrix composites

Kretz, F. and Gácsi, Zoltán and Kovács, Jenő and Pieczonka, T. (2004) The electroless deposition of nickel on SiC particles for aluminum matrix composites. Surface and Coatings Technology, 180-81. pp. 575-579. ISSN ISSN: 0257-8972

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Nickel coatings have been deposited by an electroless method on SiC powder particles. Three different SiC powder grades, in terms of average particle size, were chosen. i.e. 8, 14 and 70 mum. The coating process was performed in few steps consisting of the SiC powder cleaning by acetone, its sensitization by HCl aqueous solution containing Sn2+, followed by its activation by HCl aqueous solution containing Pd2+, and finally-hydrometallurgical nickel deposition using aqueous solution containing Ni2+, as a nickel carrier. The influence of the deposition conditions on the coating layer properties was studied. The thickness, morphology and microstructure of the layers were controlled by the growth conditions. SEM and digital image analyzing techniques were used for those purposes. Since the Ni-coated SiC powders were produced as reinforcement for Al matrix composites, their compatibility as compared with the uncoated SiC powders was also controlled by metallography. (C) 2003 Elsevier B.V. All rights reserved.

Item Type: Article
Additional Information: Current trends in nanoscience from materials to application: proceedings of Symposium A, E-MRS Spring Meeting 2003, June, 10 - 13, 2003, Strasbourg, France. Strasbourg, Franciaország, 2003.06.10-2003.06.13.
Subjects: Q Science / természettudomány > QC Physics / fizika
Depositing User: MTMT SWORD
Date Deposited: 11 Sep 2013 09:23
Last Modified: 11 Sep 2013 09:23

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