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Title

CORROSION BEHAVOR OF ELECTROLESSN-P/ZNONANO PARTICLECOATINGS

سومین کنفرانس بین المللی مواد فوق ریزدانه و نانوساختار
Year: 1390
COI: UFGNSM03_222
Language: EnglishView: 408
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Authors

Meisan Soadat Bakhsh - Msc. Department of material science engineeringe, South Tehran Branch, Islamic Azad University, Tehran, Iran
Saeed Reza Allahkaram - Professor, School of Metallurgy and Materials Engineering, University College of Engineering, University of Tehran, Tehran, Iran
Ali Choopani - BS. School of Metallurgy and Materials Engineering,, University College of Engineering, University of Tehran, Tehran, Iran
Reza Faezi Alivand - MSc. School of Metallurgy and Materials Engineering, University College of Engineering, University of Tehran, Tehran, Iran

Abstract:

The Electroless Nickel-phosphorus (EN) coatings possess high performance in various industrial fields due to their unique properties such as excellent corrosion and wear resistance. The aim of this paper is to study the effect of ZnO nano-particles on corrosion behavior of EN coatings. For this purpose, various amounts of ZnO nano-particles with average diameter of 50 nm, alternately added to hypophosphite reduced EN bath. Microstructrural investigations were carried out via Optical Microscopy (OM) and Scanning Electron Microscopy (SEM). The results revealed that the optimized concentration of nano particle was approximately 3 grislit. The analyses of coating compositions, carried out via Energy Dispersive Analysis of X-ray (EDAX), showed that plain Ni-P and Ni-P/ZnO nano-particles deposits contained around 8.9 wt.% phosphorus. Also, Electrochemical Impedance Spectroscopy (EIS) and polarization tests revealed improved corrosion resistance of electroless Ni-P/ZnO nano-particle in 3.5 wt.% NaCl solution.

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This Paper COI Code is UFGNSM03_222. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/613249/

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Soadat Bakhsh, Meisan and Allahkaram, Saeed Reza and Choopani, Ali and Faezi Alivand, Reza,1390,CORROSION BEHAVOR OF ELECTROLESSN-P/ZNONANO PARTICLECOATINGS,3rd International Conference on Ultrafine Grained and Nanostructured Materials ,Qarchak,https://civilica.com/doc/613249

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Type of center: Azad University
Paper count: 11,783
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