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COMPOSITE COATINGS WITH NICKEL MATRIX AND SILICON BY CLEAN TECHNOLOGY

Lucica Balint

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s18.105View metrics

Abstract

On global scale the nickel coa tings obtaining is realised with electrolytes that have the toxically composition that working at the temperature range 40 - 800C. In this paper was proposed an ecological solution to obtaining the nickel layers and composite coatings with nickel matrix and silicon. The energy consume is reduced be cause the working is passed on ambient temperature. The addition of silicon particles into nickel plating bath leads to significantly changes for the surface morphology and for the roughness of the composite coatings deposited on steel substrates. The addition of silicon particles in 20 g/L concentration was studied. The changes generated by the silicon addition into nickel baths on the morphology of the composite coatings and also on their roughness were analysed. The variation of roughness with pla ting parameters (current density, rotation speed, time of the process) is presented.

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Publication details

Title
COMPOSITE COATINGS WITH NICKEL MATRIX AND SILICON BY CLEAN TECHNOLOGY
Authors
Lucica Balint
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
Keywords
clean technologycompositenickel matrixsilicon particles
References6

  1. http://lori.academicdirect.org/free/Cursuri_Laboratoare/ac_chimie/11_Nichelare.pdf, March 30, 2011

  2. C. Gheorghie ş, G. Carac, I. V. Stasi - Preparati on and structural characterization of nickel/ alumina nano-particles composite coatings, Journal of optoelectronics and advanced materials, Vol. 8, No. 3, June 2006, p. 1234 – 1237

  3. Nicolas Spyrellis, Evange lia A. Pavlatou, Styliani panou Alexandros Zoikis- Karathanasis, Nickel and nickel-phosphorous matrix composite electrocoatings, Trans Nonferrous Met Soc.China,19(2009),800-804

  4. A. N. Podobaev, S. S. Kruglikov, P. Becker and M. Mattesen, Electrochemical estimation of developed roughness of galvanic nickel coatings, Protection of Metal, vol. 41, nr. 4, p. 363-368, 2005

  5. Wei Lin Zhao, Investigate about electro- deposition of special ni ckel electroplating coating for steel with different surface roughnesses, Journal Advances in Superalloy, vol 146-147, p. 962-965, 2010

  6. A. Marinescu, Gh. Andonian ţ, E. Bay, Tehnologii electrochimice şi chimice de protecţie a materialelor metalice, Ed. Tehnică Bucureşti, 1984

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