Volume 9, Number 1 (march 2012 2012)                   IJMSE 2012, 9(1): 21-28 | Back to browse issues page


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P. Samadi, M. Reza Afshar, M. R. Aboutalebi, S. H. Seyedein. AN INVESTIGATION ON THE EFFECT OF ELECTROMAGNETIC FORCE ON THE CHARACTERISTICS OF ELECTRODEPOSITED Ni/Al2O3 COMPOSITE COATINGS. IJMSE. 2012; 9 (1) :21-28
URL: http://ijmse.iust.ac.ir/article-1-407-en.html

Abstract:   (4770 Views)

Electrochemical coating processes are significantly affected by applied magnetic fields due to the generation of electromagnetic forces. The present research work has been undertaken to study the effect of coating parameters such as current density and alumina concentration on the characteristics of Ni-Al2O3 composite coating under static magnetic field. Ni-Al2O3 composite coating was applied on a mild steel substrate using conventional Watts solution containing Al2O3 particles with and without magnetic field. The coating microstructure and Al2O3 particle density in the coating layer were examined by scanning electron microscopy (SEM). It was found that the applied magnetic field made the coating structure finer and leads to the increases of the particle content in the coating. However, the results confirmed that the magnetic forces inversely affected the particle density in the coating at higher current density than that of normal coating process.

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Type of Study: Research paper | Subject: Ceramics

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