Electrochemical study of codeposition of Al particle—Nanocrystalline Ni/Cu composite coatings
By Cui, Xinwei; Wei, Weifeng; Liu, Haifeng & Chen, Weixing
Published in Electrochimica Acta
NULL
2008
Abstract
Nanocrystalline Ni/Cu alloy matrix–Al metal particle composite coatings have been successfully developed via sediment codeposition (SCD) method. As high as 29 vol.% Al particles could be incorporated in the nanocrystalline Ni/Cu alloy matrix which has an average grain size of 16 nm. Adding conductive Al particles in the electrolyte shifted polarization curves to more negative potentials, which is a characteristic of electro-codeposition of nonconductive particles. The codeposition behavior has also been found to be consistent with the Guglielmi's model that was proposed for predicting the codeposition of nonconductive particles in metal matrix.
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