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    Influence of graphene and multi-walled carbon nanotube additives on tribological behaviour of lubricants

    72585.pdf (1.498Mb)
    Access Status
    Open access
    Authors
    Singh, R.
    Dixit, A.
    Sharma, A.
    Tiwari, A.
    Mandal, V.
    Pramanik, Alokesh
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Singh, R. and Dixit, A. and Sharma, A. and Tiwari, A. and Mandal, V. and Pramanik, A. 2018. Influence of graphene and multi-walled carbon nanotube additives on tribological behaviour of lubricants. International Journal of Surface Science and Engineering. 12 (3): pp. 207-227.
    Source Title
    International Journal of Surface Science and Engineering
    DOI
    10.1504/IJSURFSE.2018.094773
    ISSN
    1749-785X
    School
    School of Civil and Mechanical Engineering (CME)
    URI
    http://hdl.handle.net/20.500.11937/72342
    Collection
    • Curtin Research Publications
    Abstract

    In the present study, the tribological performance of water-based emulsion (lubricant) was investigated by blending carbon fillers such as graphene nanoplatelets and multiwall carbon nanotubes using pin-on-disc tribometer. It was noticed that addition of GnP and MWCNT in water-based emulsion (conventional lubricant) increases the thermal conductivity and viscosity as compared to conventional lubricants. The nanolubricants were supplied with minimum quantity lubrication (MQL) technique at a constant flow rate and pressure in the sliding zone. The addition of 0.8 wt.% concentration of GnP showed 58.39% reduction in coefficient of friction and 61.80% reduction in wear depth compared to the conventional lubricant. Similarly, for 0.8 wt.% concentration of MWCNT showed 26.27% reduction in coefficient of friction and 47.35% reduction in wear depth compared to the conventional lubricant. The sliding surface micrographs were also investigated to explain the synergistic effect of nanoparticles.

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