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- Title
Influence of carbon nanotube addition on sliding wear behaviour of pulse electrodeposited cobalt (Co)-phosphorus (P) coatings.
- Authors
Edward Anand, E.; Natarajan, S.
- Abstract
This work examines the sliding wear behaviour of nanostructured cobalt-phosphorus (Co-P) alloy electrodeposits reinforced with multiwalled carbon nanotubes (MWCNTs). Nanocrystalline cobalt-phosphorus alloy coatings reinforced with carbon nanotubes were produced by pulse electrodeposition from an aqueous bath. Tribological properties of the coatings with and without MWCNT addition were characterized. Anisotropic tribological behaviour was observed for the coatings reinforced with MWCNTs when slided against hard steel counterparts. The nanocrystalline Co-P-CNT coatings display better wear resistance and friction reduction compared with the nanocrystalline Co-P coating. The friction coefficients and wear rates of the nanocrystalline Co-P-CNT coating are influenced by the test conditions including the applied load, sliding speed and more importantly the alignment of MWCNTs in the deposits. The wear mechanisms of the nanocrystalline Co-P and Co-P-CNT alloy coatings involved in different sliding conditions are explained related to their friction and wear properties.
- Subjects
MULTIWALLED carbon nanotubes; SLIDING wear; ELECTROPLATING; COBALT plating; PHOSPHORUS; NANOCRYSTALS
- Publication
Applied Physics A: Materials Science & Processing, 2015, Vol 120, Issue 4, p1653
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-015-9380-0