Composite plating of Ni/SiC using azo-cationic surfactants and wear resistance of coatings

Influence of the hydrophobic tail length of a cationic surfactant containing an azobenzene group (AZTAB) on the extent of co-deposition of SiC particles with nickel was studied. The present investigation shows that an AZTAB with shorter tail can co-deposit a higher amount of SiC particles than the s...

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Bibliographic Details
Published in:Wear 2003-03, Vol.254 (5), p.555-564
Main Authors: Shrestha, Nabeen K, Masuko, Masabumi, Saji, Tetsuo
Format: Article
Language:English
Subjects:
Anti-wear
Applied sciences
Azobenzene
Composite
Contact of materials. Friction. Wear
Exact sciences and technology
Friction, wear, lubrication
Machine components
Mechanical engineering. Machine design
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Nickel
Silicon carbide
Surfactant
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Summary:Influence of the hydrophobic tail length of a cationic surfactant containing an azobenzene group (AZTAB) on the extent of co-deposition of SiC particles with nickel was studied. The present investigation shows that an AZTAB with shorter tail can co-deposit a higher amount of SiC particles than the surfactant with a longer tail. The anti-wear property of the coatings with different volume percentage of SiC was studied under dry sliding condition in the ball-on-disk configuration of a tribo-tester, and the degree of anti-wear performance of the coatings was evaluated on the basis of their wear scar depth and the wear area. The wear resistance of the Ni/SiC composite coatings was found to be increased with increasing the content of co-deposited SiC particles up to about 52 vol.%. The anti-wear performance of the coating containing 71.5 vol.% of SiC particles was poorer than that of the nickel coating without any incorporated particles.
ISSN:0043-1648
1873-2577
DOI:10.1016/S0043-1648(03)00138-8