Properties of electrodeposited functional Ni–Fe/AlN nanocomposite coatings

Ni–Fe/AlN nanocomposite coatings were electrodeposited from sulphamate based electrolyte in N,N-dimethylformamide solvent. The conditions of maximum particulate incorporation into the matrix were optimized. The coatings were characterized by Scanning electron microscopy (SEM), Energy dispersive anal...

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Bibliographic Details
Published in:Arabian journal of chemistry 2019-12, Vol.12 (8), p.3601-3610
Main Authors: Tripathi, Manoj Kumar, Singh, V.B.
Format: Article
Language:English
Subjects:
Aluminium nitride (AlN)
Electrodeposition
Ferromagnetic
Microstructure
N,N-dimethylformamide
Nanocomposite
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Summary:Ni–Fe/AlN nanocomposite coatings were electrodeposited from sulphamate based electrolyte in N,N-dimethylformamide solvent. The conditions of maximum particulate incorporation into the matrix were optimized. The coatings were characterized by Scanning electron microscopy (SEM), Energy dispersive analysis of X-ray (EDAX), X-ray diffractometry (XRD), and Vicker’s microhardness tester. The reinforcement of matrix with nano-AlN rendered superior microhardness (up to 560 HV) to the nanocomposites over monolithic Ni and Ni–Fe alloy deposits. Incorporation of aluminium nitride (AlN) particles in the Ni–Fe alloy matrix under optimum condition was recorded up to 23.2wt%. Magnetic measurements revealed soft ferromagnetic behaviour of the deposit with marked tendency towards superparamagnetism.
ISSN:1878-5352
1878-5379
DOI:10.1016/j.arabjc.2015.11.006