Author:
Dadvand Mina,Savadogo Oumarou
Abstract
Compact and uniform NiW composite coatings filled with ceramic particles such as CeO2 were electrodeposited on brass substrates using direct current (DC) and a well–designed pulse reverse current waveforms (PRC). PRC coatings exhibited the noblest corrosion potential and lowest current density compared to DC–electrodeposited coatings. Among all PRC coatings, PRC–NiW–CeO2 demonstrated the highest corrosion potential (−4.72 × 10−1 V) and the lowest current density (5.32 × 10−6 V). It also seems that the addition of CeO2 particles to the NiW matrix enhanced the wear resistance of the coatings, and the lowest wear volume of (133.10 × 103 µm3) and friction coefficient of 0.25 were obtained due to the formation of the uniform, void free and compact structures with a high content of CeO2 particles in the coating.
Subject
Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces
Cited by
1 articles.
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