Corrosion Behavior of Zinc-Graphite Metal Matrix Composite in 1 M of HClReportar como inadecuado




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ISRN Corrosion - Volume 2014 2014, Article ID 279856, 8 pages -

Research ArticleModern University for Technology and Information MTI University, Cairo, Egypt

Received 26 December 2013; Accepted 12 February 2014; Published 9 March 2014

Academic Editors: G. Bereket, C. Gervasi, C. Gu, and C.-H. Hsu

Copyright © 2014 M. A. Afifi. 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.

Abstract

This paper is aimed at investigating the corrosion behavior of Pure and Zinc-graphite particles with percentage of 1, 3, and 5%, respectively. The composites were fabricated by powder metallurgy method. Corrosion tests were performed according to ASTM standard. Corrosion rate was calculated and it is found that in all cases the corrosion rate was decreasing with the increase in exposure time. Meanwhile, the microstructure of composites was imaged and analyzed using optical microscope and scanning electron microscope. It is observed that the best corrosion resistance was zinc with 1% Graphite while Zinc with 3% and 5% Graphite composites did not enhance the corrosion resistance comparing to pure Zinc.





Autor: M. A. Afifi

Fuente: https://www.hindawi.com/



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