Effect of Cu nanoparticles on the tribological performance of polydopamine + polytetrafluoroethylene coatings in oil-lubricated condition

Ghosh, Sujan K.; Miller, Charles; Perez, German; Carlton, Hayden; Huitink, David; Beckford, Samuel; Zou, Min

doi:10.1016/j.apsusc.2021.150525

Title: Effect of Cu nanoparticles on the tribological performance of polydopamine + polytetrafluoroethylene coatings in oil-lubricated condition

Abstract

For this study, the effect of Cu nanoparticles (NPs) on the tribological performance of the thick polydopamine (PDA) + polytetrafluoroethylene (PTFE) coatings in DTE-32 Mobil lubricated condition was investigated. PDA + PTFE + Cu NP coatings with 45 µm thickness were spray-coated with 0.12, 0.25, and 0.50 wt% of Cu NPs in an aqueous PDA + PTFE solution, respectively. The mechanical properties were studied by PeakForce quantitative nanomechanical (PFQNM) characterization and nanoindentation. The Young's modulus increased, and the coefficient of friction (COF) reduced with the addition of Cu NPs compared to PDA + PTFE coating. The PDA + PTFE + 0.25 wt% Cu and PDA + PTFE + 0.50 wt% Cu coatings increased the durability by 52% and 33%, respectively, compared to the coating without Cu NPs. The better tribological performance of the nanocomposite coatings is contributed by the better mechanical properties, better adherence, and enhanced cross-linking between the constituents of the nanocomposite coatings due to the presence of Cu NPs. The addition of 0.25 wt% Cu NPs in PDA + PTFE increased the thermal conductivity by 12%.

Authors:

^[1];

^[1]; Perez, German ^[2];

^[1];

^[2];

^[1]

Univ. of Arkansas, Fayetteville, AR (United States)
SurfTec, LLC, Fayetteville, AR (United States)

Publication Date:: Thu Jul 01 00:00:00 EDT 2021

Research Org.:: SurfTec, LLC, Fayetteville, AR (United States)

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE)

OSTI Identifier:: 1976866

Alternate Identifier(s):: OSTI ID: 1807595

Grant/Contract Number:: EE0007874

Resource Type:: Accepted Manuscript

Journal Name:: Applied Surface Science

Additional Journal Information:: Journal Volume: 565; Journal Issue: C; Journal ID: ISSN 0169-4332

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Nanocomposite coating; Copper nanoparticle; Durability; Thermal conductivity; PFQNM

Citation Formats


                    Ghosh, Sujan K., Miller, Charles, Perez, German, Carlton, Hayden, Huitink, David, Beckford, Samuel, and Zou, Min. Effect of Cu nanoparticles on the tribological performance of polydopamine + polytetrafluoroethylene coatings in oil-lubricated condition.  United States: N. p., 2021. 
Web.  doi:10.1016/j.apsusc.2021.150525.

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                    Ghosh, Sujan K., Miller, Charles, Perez, German, Carlton, Hayden, Huitink, David, Beckford, Samuel, & Zou, Min. Effect of Cu nanoparticles on the tribological performance of polydopamine + polytetrafluoroethylene coatings in oil-lubricated condition.  United States.  https://doi.org/10.1016/j.apsusc.2021.150525

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                    Ghosh, Sujan K., Miller, Charles, Perez, German, Carlton, Hayden, Huitink, David, Beckford, Samuel, and Zou, Min. Thu .  
"Effect of Cu nanoparticles on the tribological performance of polydopamine + polytetrafluoroethylene coatings in oil-lubricated condition".  United States.  https://doi.org/10.1016/j.apsusc.2021.150525.  https://www.osti.gov/servlets/purl/1976866.

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@article{osti_1976866,

  title        = {Effect of Cu nanoparticles on the tribological performance of polydopamine + polytetrafluoroethylene coatings in oil-lubricated condition},

  author       = {Ghosh, Sujan K. and Miller, Charles and Perez, German and Carlton, Hayden and Huitink, David and Beckford, Samuel and Zou, Min},

  abstractNote = {For this study, the effect of Cu nanoparticles (NPs) on the tribological performance of the thick polydopamine (PDA) + polytetrafluoroethylene (PTFE) coatings in DTE-32 Mobil lubricated condition was investigated. PDA + PTFE + Cu NP coatings with 45 µm thickness were spray-coated with 0.12, 0.25, and 0.50 wt% of Cu NPs in an aqueous PDA + PTFE solution, respectively. The mechanical properties were studied by PeakForce quantitative nanomechanical (PFQNM) characterization and nanoindentation. The Young's modulus increased, and the coefficient of friction (COF) reduced with the addition of Cu NPs compared to PDA + PTFE coating. The PDA + PTFE + 0.25 wt% Cu and PDA + PTFE + 0.50 wt% Cu coatings increased the durability by 52% and 33%, respectively, compared to the coating without Cu NPs. The better tribological performance of the nanocomposite coatings is contributed by the better mechanical properties, better adherence, and enhanced cross-linking between the constituents of the nanocomposite coatings due to the presence of Cu NPs. The addition of 0.25 wt% Cu NPs in PDA + PTFE increased the thermal conductivity by 12%.},

  doi          = {10.1016/j.apsusc.2021.150525},

  journal      = {Applied Surface Science},

  number       = C,

  volume       = 565,

  place        = {United States},

  year         = {Thu Jul 01 00:00:00 EDT 2021},

  month        = {Thu Jul 01 00:00:00 EDT 2021}

}

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Title: Effect of Cu nanoparticles on the tribological performance of polydopamine + polytetrafluoroethylene coatings in oil-lubricated condition

Abstract

Citation Formats

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